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Journal articles on the topic 'Phase object'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Shahri, Homayoun. "Character Structure." Clinical Journal of the International Institute for Bioenergetic Analysis 35, no. 1 (2025): 89–119. https://doi.org/10.30820/0743-4804-2025-35-89.

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In this paper, I analyze character structures based on Object Relations Theory. I discuss three phases of object relating, 1) an undifferentiation phase, 2) an incorporating phase, 3) pre-object relating phase, and 4) a full object relating phase, resulting in internalization. This approach naturally lends itself to identifying the schizophrenic character, and early and late borderline organizations. It is seen that the early and late borderline organizations are related to transitional periods between object relating stages. I also introduce treatment approaches, notwithstanding somatic inter

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Zangpo, Jigme, and Hirokazu Kobayashi. "Isolation of phase edges using off-axis q-plate filters." Optics Express 32, no. 7 (2024): 12911. http://dx.doi.org/10.1364/oe.517822.

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Edge-enhanced microscopes with a q-plate have attracted more attention to enhance the edges of phase-amplitude objects in biological samples due to their capacity for all-directional edge enhancement, while differential interference-contrast microscopy enhances edges in only one-direction. However, the edge-enhanced microscopes cannot distinguish the edges of phase and amplitude objects, as both edges are equally enhanced. This study introduces a novel method for isolating the edge of a phase object from an amplitude object using an off-axis q-plate filter in a 4f system. Herein, we combined o

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Cheng, Yun, Hai Tao Lang, Peng Yao, Rui Guo, Jian Ying Hu, and Jie Wang. "A Real Implementation of Dangerous Objects Capturing in Surveillance Web." Applied Mechanics and Materials 278-280 (January 2013): 1032–35. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.1032.

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The main focus of our research is capturing dangerous objects when they appear under the surveillance camera again, while have performed a dangerous activities in other places. Our solution is a two-phase method, including object learning and capturing under the classification framework. The samples of objects and non-objects are collected to train a classifier with libSVM in object learning phase. In object capturing phase, all moving objects are detected by background subtraction, then are classified into dangerous or non-dangerous. To obtain a robust objects representation to illumination,

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Yehia, Amany, and Shereen A. Taie. "RGB-D and corrupted images in assistive blind systems in smart cities." Bulletin of Electrical Engineering and Informatics 11, no. 4 (2022): 1970–82. http://dx.doi.org/10.11591/eei.v11i4.3770.

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Assistive blind systems or assistive systems for visually impaired in smart cities help visually impaired to perform their daily tasks faced two problems when using you only look once version 3 (YOLOv3) object detection. Object recognition is a significant technique used to recognize objects with different technologies, algorithms, and structures. Object detection is a computer vision technique that identifies and locates instances of objects in images or videos. YOLOv3 is the most recent object detection technique that introduces promising results. YOLOv3 object detection task is to determine

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Amany, Yehia, and A. Taie Shereen. "RGB-D and corrupted images in assistive blind systems in smart cities." Bulletin of Electrical Engineering and Informatics 11, no. 4 (2022): 1970~1982. https://doi.org/10.11591/eei.v11i4.3770.

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Assistive blind systems or assistive systems for visually impaired in smart cities help visually impaired to perform their daily tasks faced two problems when using you only look once version 3 (YOLOv3) object detection. Object recognition is a significant technique used to recognize objects with different technologies, algorithms, and structures. Object detection is a computer vision technique that identifies and locates instances of objects in images or videos. YOLOv3 is the most recent object detection technique that introduces promising results. YOLOv3 object detection task is to determine

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Zaidi, Abdelhamid. "Mathematical Methods for IoT-Based Annotating Object Datasets with Bounding Boxes." Mathematical Problems in Engineering 2022 (August 23, 2022): 1–16. http://dx.doi.org/10.1155/2022/3001939.

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Object datasets used in the construction of object detectors are typically annotated with horizontal or oriented bounding rectangles for IoT-based. The optimality of an annotation is obtained by fulfilling two conditions: (i) the rectangle covers the whole object and (ii) the area of the rectangle is minimal. Building a large-scale object dataset requires annotators with equal manual dexterity to carry out this tedious work. When an object is horizontal for IoT-based, it is easy for the annotator to reach the optimal bounding box within a reasonable time. However, if the object is oriented, th

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Xie, Rishan, Huixia Jia, Jiawei Chen, Lite Zhang, and Chengwei Zhang. "Research of the Influence of Lateral Inflow Angles on the Cavitation Flow and Movement Characteristics of Underwater Moving Objects." Processes 12, no. 6 (2024): 1051. http://dx.doi.org/10.3390/pr12061051.

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This study examined the multi-phase flow field for a single object and two parallel/series objects under different incoming angles of lateral flow. The volume of fluid model, the Sauer–Schnerr cavitation model, and the six degrees of freedom (DOF) method were adopted to consider simulations of multi-phase flow, phase change, and object movement, respectively. The results show that, for a single object, the degree of asymmetry in the cavity profile depends on the component (the z-component) of the lateral inflow velocity in the direction perpendicular to the initial velocity of the object. As t

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Yu, Shun-Hsin, Jen-Shuo Chang, and Chia-Hung Dylan Tsai. "Grasp to See—Object Classification Using Flexion Glove with Support Vector Machine." Sensors 21, no. 4 (2021): 1461. http://dx.doi.org/10.3390/s21041461.

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This paper proposes an object classification method using a flexion glove and machine learning. The classification is performed based on the information obtained from a single grasp on a target object. The flexion glove is developed with five flex sensors mounted on five finger sleeves, and is used for measuring the flexion of individual fingers while grasping an object. Flexion signals are divided into three phases, and they are the phases of picking, holding and releasing, respectively. Grasping features are extracted from the phase of holding for training the support vector machine. Two set

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Yang, Ziyu, Maoshen Jia, Wenbei Wang, and Jiaming Zhang. "Multi-Stage Encoding Scheme for Multiple Audio Objects Using Compressed Sensing." Cybernetics and Information Technologies 15, no. 6 (2015): 135–46. http://dx.doi.org/10.1515/cait-2015-0074.

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Abstract Object-based audio techniques have become common since they provide the flexibility for personalized rendering. In this paper a multi-stage encoding scheme for multiple audio objects is proposed. The scheme is based on intra-object sparsity. In the encoding phase the dominant Time Frequency (TF) instants of all active object signals are extracted and divided into several stages to form the multistage observation signals for transmission. In the decoding phase the preserved TF instants are recovered via Compressed Sensing (CS) technique, and further used for reconstructing the audio ob

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Wu, Ke, Min Li, Lei Lu, and Jiangtao Xi. "Reconstruction of Isolated Moving Objects by Motion-Induced Phase Shift Based on PSP." Applied Sciences 12, no. 1 (2021): 252. http://dx.doi.org/10.3390/app12010252.

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The reconstruction of moving objects based on phase shifting profilometry has attracted intensive interests. Most of the methods introduce the phase shift by projecting multiple fringe patterns, which is undesirable in moving object reconstruction as the errors caused by the motion will be intensified when the number of the fringe pattern is increased. This paper proposes the reconstruction of the isolated moving object by projecting two fringe patterns with different frequencies. The phase shift required by the phase shifting profilometry is generated by the object motion, and the model descr

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Pinilla, Samuel, Laura Galvis, Karen Egiazarian, and Henry Arguello. "Single-shot Coded Diffraction System for 3D Object Shape Estimation." Electronic Imaging 2020, no. 14 (2020): 59–1. http://dx.doi.org/10.2352/issn.2470-1173.2020.14.coimg-059.

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The three-dimensional (3D) shape reconstruction problem of an object is a task of high interest in autonomous vehicles, detection of moving objects, and precision agriculture. A common methodology to recover the 3D shape of an object is using its optical phase. However, this approach involves solving a non-convex computationally demanding inverse problem known as phase retrieval (PR) in a setup that records coded diffraction patterns (CDP). Usually, the acquisition of several snapshots from the scene is required to solve the PR problem. This work proposes a single-shot 3D shape estimation tech

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Majkrzak, C. F., K. Krycka, S. Krueger, N. F. Berk, P. Kienzle, and B. Maranville. "Phase-sensitive small-angle neutron scattering." Journal of Applied Crystallography 47, no. 2 (2014): 780–87. http://dx.doi.org/10.1107/s1600576714004956.

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A method is described for determining the neutron scattering length density distribution of a molecular-scale object directly from phase-sensitive small-angle neutron scattering (SANS). The structure factor amplitude is obtained through the use of a reference structure for a collection of randomly oriented, identical objects in the dilute solution limit (negligible interparticle correlations). This work extends some of the techniques developed in recent years for phase-sensitive specular neutron reflectometry to SANS, although the approach presented here is applicable only within the range of

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Rahmanimanesh, Mohammad, Jalal al-Din Nasiri, Saeid Jalili, and Charkari Nasrolah Moghaddam. "Adaptive three‑phase support vector data description." Pattern Analysis and Applications 22, no. 2 (2019): 491–504. https://doi.org/10.1007/s10044-017-0646-3.

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We add a new phase, called reforming phase, to support vector data description (SVDD) between the training and testing phases.&lrm; The reforming phase enables us to reconsider the SVDD’s assumption of the uniformity of features in calculating the distance of an object to the center of hypersphere.&lrm; In the reforming phase, the features are assumed as a group of experts who have different impacts in overall outlier detection.&lrm; In doing so, the proportion of each feature in the distance of an object to the center of hypersphere is specified.&lrm; Subsequently, the opinions of the e

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Liang, Yitao, Jiabei Dai, and Lei Lu. "Three Dimensional Reconstruction of Two-step Moving Objects based on Phase-shifting Profilometry." Frontiers in Computing and Intelligent Systems 7, no. 2 (2024): 50–54. http://dx.doi.org/10.54097/a7w6dn37.

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In recent years, 3D object reconstruction based on phase-shifting profilometry has gradually received attention and been widely applied. Domestic and foreign scholars have been continuously researching and exploring the accuracy and speed of three-dimensional measurement, and gradually developing towards dynamic measurement. Most dynamic measurements require projecting multiple stripe patterns to obtain sufficient object phase information, and the more stripes there are, the greater the phase error caused by motion. This article proposes the use of increasing the sampling fringe pattern during

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Zhao, Jiaxi, Lin Liu, Tianhe Wang, et al. "Synchronous Phase-Shifting Interference for High Precision Phase Imaging of Objects Using Common Optics." Sensors 23, no. 9 (2023): 4339. http://dx.doi.org/10.3390/s23094339.

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Quantitative phase imaging and measurement of surface topography and fluid dynamics for objects, especially for moving objects, is critical in various fields. Although effective, existing synchronous phase-shifting methods may introduce additional phase changes in the light field due to differences in optical paths or need specific optics to implement synchronous phase-shifting, such as the beamsplitter with additional anti-reflective coating and a micro-polarizer array. Therefore, we propose a synchronous phase-shifting method based on the Mach–Zehnder interferometer to tackle these issues in

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Afsharirad, Hooman, and Seyed Alireza Seyedin. "Salient object detection using the phase information and object model." Multimedia Tools and Applications 78, no. 14 (2019): 19061–80. http://dx.doi.org/10.1007/s11042-019-7255-7.

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Deng, Duo, Hua Zhao, Jincheng Ni, Yan Li, and Cheng-Wei Qiu. "A phase-to-intensity strategy of angular velocity measurement based on photonic orbital angular momentum." Nanophotonics 11, no. 4 (2021): 865–72. http://dx.doi.org/10.1515/nanoph-2021-0461.

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Abstract Recently, orbital angular momentum (OAM) has been adopted to measure the shape of static objects and the translation motion of moving objects in optical remote sensing. Most of these studies rely on measuring the intensity variation of OAM beams. However, the OAM intensity does not change with the rotation of the spinning object, but its phase changes. The phase variation is proved to be proportional to the object’s angular velocity. Since a rotating object will cause the OAM phase dependent on time, the OAM phase needs to be measured instantaneously, to support the OAM-based angular

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Hirata, Sota, Naoki Matsuda, Kento Komatsu, Takuo Tanemura, and Ryoichi Horisaki. "Phase-bias-blind computational ghost imaging with optical phased array." Optics Express 33, no. 10 (2025): 21132. https://doi.org/10.1364/oe.563228.

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We propose a method for computational ghost imaging (CGI) with an optical phased array (OPA), wherein phase biases on the phase shifters are intrinsically unknown. In our method, an object is illuminated with a number of light fields from the OPA using random phase shifts, and the light from the object is captured by a single-pixel detector. The object and the phase biases are simultaneously estimated from the measured intensity signals. We numerically demonstrate the proposed method. Furthermore, we present complex amplitude field acquisition in OPA-based CGI with intensity measurements perfo

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ZeChern, Ong. "Towards Industry 4.0: Color-Based Object Sorting Using a Robot Arm and Real-Time Object Detection." Industrial Management Advances 1, no. 1 (2023): 125. http://dx.doi.org/10.59429/ima.v1i1.125.

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With the introduction of Industry 4.0, automation and robotics have made great strides, enabling  enterprises to improve their manufacturing processes for increased productivity and efficiency. This project  introduces a novel method for implementing Industry 4.0 concepts through color-based object sorting employing  a robot arm with real-time object identification capabilities. Creating a reliable and effective system that can  automatically categorize items based on their color properties is the main goal of this project. To enable seamless  object recognition a

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Valenza, Eloisa, and Giulia Calignano. "Attentional shift within and between faces: Evidence from children with and without a diagnosis of autism spectrum disorder." PLOS ONE 16, no. 5 (2021): e0251475. http://dx.doi.org/10.1371/journal.pone.0251475.

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Evidence of attentional atypicalities for faces in Autism Spectrum Disorders (ASD) are far from being confirmed. Using eye-tracking technology we compared space-based and object-based attention in children with, and without, a diagnosis of ASD. By capitalizing on Egly’s paradigm, we presented two objects (2 faces and their phase-scrambled equivalent) and cued a location in one of the two objects. Then, a target appeared at the same location as the cue (Valid condition), or at a different location within the same object (Same Object condition), or at a different location in another object (Diff

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DIESENDRUCK, GIL, and GINNAT SHEMER. "Young children's expectation of competence in word learning." Journal of Child Language 33, no. 2 (2006): 321–38. http://dx.doi.org/10.1017/s0305000906007343.

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The study investigates a social–pragmatic expectation that may motivate children to search their environment when asked for the referent of a novel label. In one experimental phase, the experimenter presented 40 two-year-olds a bucket containing a novel object and another visible object – either familiar or novel. The experimenter either asked children for the referent of a novel label, or a non-specific question. In a second experimental phase, all children saw a bucket containing a novel object, and two visible objects – one familiar and one novel. We found that, in both phases, children ten

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Che, Ku Nor Azie Hailma Che Ku Melor, Joret Ariffuddin, Razali Maryanti, Ponniran Asmarashid, Suhaimi Sulong Muhammad, and Omar Rosli. "Frequency based signal processing technique for pulse modulation ground penetrating radar system." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 5 (2021): 4104–12. https://doi.org/10.11591/ijece.v11i5.pp4104-4112.

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This paper discusses the method of processing the pulse modulation (PM) ground penetrating radar (GPR) system to detect an embedded object underground. The proposed technique is using frequency domain operation which can be classified based on two parameters which are magnitude and phase. The process of detecting the position and depth of iron objects in dry sandy soil is easier to identify using the techniques and parameters that have been introduced. The selection of the Dipole antenna as a sensor device to detect iron objects has been designed in a frequency range of 70 MHz to 80 MHz. Based

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Zhao, Ming, Meijing Zhao, Houde Wu, and Wenhai Xu. "Phase object retrieval through scattering medium." Journal of Optics 20, no. 5 (2018): 055602. http://dx.doi.org/10.1088/2040-8986/aab3b7.

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Freunberger, Roman, Wolfgang Klimesch, Birgit Griesmayr, Paul Sauseng, and Walter Gruber. "Alpha phase coupling reflects object recognition." NeuroImage 42, no. 2 (2008): 928–35. http://dx.doi.org/10.1016/j.neuroimage.2008.05.020.

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Krasinski, J., D. F. Heller, and O. Kafri. "Phase object microscopy using moire deflectometry." Applied Optics 24, no. 18 (1985): 3032. http://dx.doi.org/10.1364/ao.24.003032.

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Kuznietsov, O., O. Kolomiitsev, S. Yarovyy, R. Oliinyk, and Y. Zhivetc. "INCREASE IN ACCURACY OF MEASURING AIR OBJECTS ANGULAR COORDINATES DURING MULTICHANNEL RECEPTION OF RADIO-LOCATION SIGNAL." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки, no. 9 (December 3, 2021): 65–72. http://dx.doi.org/10.37701/dndivsovt.9.2021.09.

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Radars with a phased array antenna (PAA) which performs multi-channel radar signal reception are effective means of obtaining radar information about air objects in difficult conditions of air and jamming environment. Radar surveillance for radars with PAA is accompanied by a significant negative effect of tropospheric inhomogeneity, which causes a decrease in the accuracy of measurements of azimuth angles and air object‟s position due to fluctuations of the phase front of the received wave reflected from an air object. According to the results of research, the hypothesis of a normal distribut

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Rouse, Adam G., and Marc H. Schieber. "Spatiotemporal distribution of location and object effects in the electromyographic activity of upper extremity muscles during reach-to-grasp." Journal of Neurophysiology 115, no. 6 (2016): 3238–48. http://dx.doi.org/10.1152/jn.00008.2016.

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In reaching to grasp an object, proximal muscles that act on the shoulder and elbow classically have been viewed as transporting the hand to the intended location, while distal muscles that act on the fingers simultaneously shape the hand to grasp the object. Prior studies of electromyographic (EMG) activity in upper extremity muscles therefore have focused, by and large, either on proximal muscle activity during reaching to different locations or on distal muscle activity as the subject grasps various objects. Here, we examined the EMG activity of muscles from the shoulder to the hand, as mon

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M. Alhammad, Sarah, Nada Ahmed, Safia Abbas, Hussein Abulkasim, and Ahmed Elhadad. "Robust 3D object watermarking scheme using shape features for copyright protection." PeerJ Computer Science 10 (April 30, 2024): e2020. http://dx.doi.org/10.7717/peerj-cs.2020.

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This article utilizes the discrete wavelet transformation to introduce an advanced 3D object watermarking model depending on the characteristics of the object’s vertices. The model entails two different phases: integration and extraction. In the integration phase, a novel technique is proposed, which embeds the secret grayscale image three times using both the encrypted pixels and the vertices’ coefficients of the original 3D object. In the extraction phase, the secret image is randomly extracted and recaptured using the inverse phase of the integration technique. Four common 3D objects (Stanf

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Deng, Cheng-Long, Peng Geng, Yi-Fei Hu, and Shu-Guang Kuai. "Beyond Fitts’s Law: A Three-Phase Model Predicts Movement Time to Position an Object in an Immersive 3D Virtual Environment." Human Factors: The Journal of the Human Factors and Ergonomics Society 61, no. 6 (2019): 879–94. http://dx.doi.org/10.1177/0018720819831517.

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Objective:The study examines the factors determining the movement time (MT) of positioning an object in an immersive 3D virtual environment.Background:Positioning an object into a prescribed area is a fundamental operation in a 3D space. Although Fitts’s law models the pointing task very well, it does not apply to a positioning task in an immersive 3D virtual environment since it does not consider the effect of object size in the positioning task.Method:Participants were asked to position a ball-shaped object into a spherical area in a virtual space using a handheld or head-tracking controller

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Pan, Li Ping, and Chong Guang Li. "Novel Measurement Method of Small Phase with Interference Phase Contrast." Advanced Materials Research 301-303 (July 2011): 1020–23. http://dx.doi.org/10.4028/www.scientific.net/amr.301-303.1020.

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A novel method to measure small phase in micro-holography is discussed. It originated from Zernike phase contrast imaging technique, which has been a successful linear phase-to-intensity mapping approach toward phase object. Instead of phase-changing plate, an interference phase contrast technique that is based on in-line holography is utilized to obtain a hologram in the proposed method. The intensity distribution of hologram presents a monotone function with respect to phase distribution of phase object. Thus, the phase can be directly detected through hologram without phase unwrapping. In t

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Yadav, Sudhakar, B. Eswara Reddy, and K. G. Srinivasa. "Handling Medical Emergencies Through Better Interaction With Real-World Entities via GSM." International Journal of Vehicular Telematics and Infotainment Systems 2, no. 1 (2018): 48–67. http://dx.doi.org/10.4018/ijvtis.2018010104.

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This article aims to provide innovative system for tracking and monitoring health objects using RF transmitters and receivers. We begin by proposing a prototype for the system and perform a simulation to check the feasibility of this project before applying it to a real-world scenario. In this simulation model, we test the capability of the transmitter and receiver to communicate effectively and also display the data sent by the transmitter. As a result, highly flexible wireless controlled systems would enable the bridging of the distance between the user and the electronic device. This would

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Mišovič, Milan, and Ivana Rábová. "Enterprise services and object-oriented methodologies." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 60, no. 7 (2012): 179–88. http://dx.doi.org/10.11118/actaun201260070179.

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In this paper we study the possibility of modifying the conventional, advanced object-oriented methodology for software development of enterprise information systems on an enterprise services platform. The presented solution is preceded with the draft of the formal description of the business process logic and its service solutions. In the design for the introduction of business services there is used the so-called native solution that is very close to the thinking of corporate management. Adjustment of the classic, advanced object-oriented methodology is oriented on its cardinal development p

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Ueda, Yoshiyuki, and Jun Saiki. "Characteristics of Eye Movements in 3-D Object Learning: Comparison between Within-Modal and Cross-Modal Object Recognition." Perception 41, no. 11 (2012): 1289–98. http://dx.doi.org/10.1068/p7257.

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Recent studies have indicated that the object representation acquired during visual learning depends on the encoding modality during the test phase. However, the nature of the differences between within-modal learning (eg visual learning-visual recognition) and cross-modal learning (eg visual learning – haptic recognition) remains unknown. To address this issue, we utilised eye movement data and investigated object learning strategies during the learning phase of a cross-modal object recognition experiment. Observers informed of the test modality studied an unfamiliar visually presented 3-D ob

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Martinovic, Jasna, Thomas Gruber, Kathrin Ohla, and Matthias M. Müller. "Induced Gamma-band Activity Elicited by Visual Representation of Unattended Objects." Journal of Cognitive Neuroscience 21, no. 1 (2009): 42–57. http://dx.doi.org/10.1162/jocn.2009.21004.

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Object recognition is achieved through neural mechanisms reliant on the activity of distributed neural assemblies that are thought to be coordinated by synchronous firing in the gamma-band range (>20 Hz). An outstanding question focuses on the extent to which the role of gamma oscillations in object recognition is dependent on attention. Attentional mechanisms determine the allocation of perceptual resources to objects in complex scenes biasing the outcome of their mutual competitive interactions. Would object-related enhancements in gamma activity also occur for unattended objects when per

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Morimoto, Yoshiharu. "High-Speed Measurement of Shape and Vibration: Whole-Field Systems for Motion Capture and Vibration Modal Analysis by OPPA Method." Sensors 20, no. 15 (2020): 4263. http://dx.doi.org/10.3390/s20154263.

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In shape measurement systems using a grating projection method, the phase analysis of a projected grating provides accurate results. The most popular phase analysis method is the phase shifting method, which requires several images for one shape analysis. Therefore, the object must not move during the measurement. The authors previously proposed a new accurate and high-speed shape measurement method, i.e., the one-pitch phase analysis (OPPA) method, which can determine the phase at every point of a single image of an object with a grating projected onto it. In the OPPA optical system, regardle

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McCarthy, Allison M., Philip S. Muirhead, Patrick Tamburo, et al. "Multiple Patchy Cloud Layers in the Planetary-mass Object SIMP 0136+0933." Astrophysical Journal 965, no. 1 (2024): 83. http://dx.doi.org/10.3847/1538-4357/ad2c76.

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Abstract Multiwavelength photometry of brown dwarfs and planetary-mass objects provides insight into their atmospheres and cloud layers. We present near-simultaneous J- and K s -band multiwavelength observations of the highly variable T2.5 planetary-mass object, SIMP J013656.5+093347. We reanalyze observations acquired over a single night in 2015 using a recently developed data reduction pipeline. For the first time, we detect a phase shift between J- and K s -band light curves, which we measure to be 39 .° 9 − 1.1 + 3.6 . Previously, phase shifts between near-infrared and mid-infrared observa

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C., Rajendra Thilahar, and Sivaramakrishnan R. "Fuzzy neuro-genetic approach for feature selection and image classification in augmented reality systems." IAES International Journal of Robotics and Automation (IJRA) 8, no. 3 (2019): 194–204. https://doi.org/10.11591/ijra.v8i3.pp194-204.

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In this paper, a new approach for implementing an Augmented Reality system by applying fuzzy genetic neural networks is proposed. It consists of two components namely feature selection and classification modules. For feature detection, extraction and selection, the proposed model uses a fuzzy logic based incremental feature selection algorithm which has been proposed in this work in order to recognize the important features from 3D images. Moreover, this paper explains the implementation and results of the proposed algorithms for an Augmented Reality system using image recognition, feature ext

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Okazawa, S., Motoharu Fujigaki, Yoshiharu Morimoto, and Toru Matui. "Simultaneous Measurement of Out-of-Plane and In-Plane Displacements by Phase-Shifting Digital Holographic Interferometry." Applied Mechanics and Materials 3-4 (August 2006): 223–28. http://dx.doi.org/10.4028/www.scientific.net/amm.3-4.223.

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In this paper, we apply phase-shifting digital holographic interferometry to simultaneous measurement for out-of-plane and in-plane displacements by employing two beam illuminations for an object. Phase-shifted holograms before and after displacements of the object using each of two beams are recorded by a CCD camera, separately. The complex amplitude at each pixel of the CCD plane is analyzed from the holograms taken with phase-shifting. The complex amplitude of he object is reconstructed from the complex amplitude distribution on the CCD plane using the Fresnel diffraction integral. Each dir

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Jung, Minwoo, Hosung Jeon, Sungjin Lim, and Joonku Hahn. "Color Digital Holography Based on Generalized Phase-Shifting Algorithm with Monitoring Phase-Shift." Photonics 8, no. 7 (2021): 241. http://dx.doi.org/10.3390/photonics8070241.

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Color digital holography (DH) has been researched in various fields such as the holographic camera and holographic microscope because it acquires a realistic color object wave by measuring both amplitude and phase. Among the methods for color DH, the phase-shifting DH has an advantage of obtaining a signal wave of objects without the autocorrelation and conjugate noises. However, this method usually requires many interferograms to obtain signals for all wavelengths. In addition, the phase-shift algorithm is sensitive to the phase-shift error caused by the instability or hysteresis of the phase

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Yang Zhen-Ya and Zheng Chu-Jun. "Phase retrieval of pure phase object based on compressed sensing." Acta Physica Sinica 62, no. 10 (2013): 104203. http://dx.doi.org/10.7498/aps.62.104203.

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Shui, Min, Xinyu Luo, Xueru Zhang, et al. "Phase filtering in nonlinear-imaging technique with a phase object." Journal of the Optical Society of America A 27, no. 11 (2010): 2514. http://dx.doi.org/10.1364/josaa.27.002514.

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Yoneyama, S., Y. Morimoto, M. Fujigaki, and M. Yabe. "Phase-measuring profilometry of moving object without phase-shifting device." Optics and Lasers in Engineering 40, no. 3 (2003): 153–61. http://dx.doi.org/10.1016/s0143-8166(02)00100-8.

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Han, Pin, and Hone-Ene Hwang. "Phase Retrieval Algorithm for Pure Phase Object in Fresnel Domain." Japanese Journal of Applied Physics 47, no. 12 (2008): 8848–52. http://dx.doi.org/10.1143/jjap.47.8848.

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Kim, Sunhee, Woong Choi, and Yongseok Lim. "Metal Object Detection in a Wireless High-Power Transfer System Using Phase–Magnitude Variation." Electronics 10, no. 23 (2021): 2952. http://dx.doi.org/10.3390/electronics10232952.

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Recently, wireless charging technologies for large moving objects, such as electric vehicles and robots, have been actively researched. The power transmitting and receiving coils in most large moving objects are structurally separated by a given distance, which exposes a high output power to the outside world. If a foreign metal object enters the area between these two coils during wireless power transfer, fire hazards or equipment damage may occur. Therefore, we propose a method for detecting foreign metal objects in the gap between the transmitting and receiving coils in a wireless high-powe

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Pynte, Joel, Vittorio Girotto, and Thierry Baccino. "Children's communicative abilities revisited: verbal versus perceptual disambiguating strategies in referential communication." Journal of Child Language 18, no. 1 (1991): 191–213. http://dx.doi.org/10.1017/s0305000900013350.

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ABSTRACTThe way seven- and nine-year-old French children and adults interpret ambiguous object descriptions was studied in four experiments. All four experiments followed the same basic procedure and consisted of two phases. During the training phase, plastic blocks varying in shape, colour and size were associated with fruit names. Some objects were always given just one label, the generic term, whereas others could be given either the generic or the specific label. For example, large circles were referred to as ‘pommes’ (‘apples’), and large BLUE circles as ‘reinettes’ (a kind of apple). Sti

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Tradonsky, C., I. Gershenzon, V. Pal, et al. "Rapid laser solver for the phase retrieval problem." Science Advances 5, no. 10 (2019): eaax4530. http://dx.doi.org/10.1126/sciadv.aax4530.

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Tailored physical systems were recently exploited to rapidly solve hard computational challenges, such as spin simulators, combinatorial optimization, and focusing through scattering media. Here, we address the phase retrieval problem where an object is reconstructed from its scattered intensity distribution. This is a key problem in many applications, ranging from x-ray imaging to astrophysics, and currently, it lacks efficient direct reconstruction methods: The widely used indirect iterative algorithms are inherently slow. We present an optical approach based on a digital degenerate cavity l

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Rouse, Adam G., and Marc H. Schieber. "Spatiotemporal distribution of location and object effects in reach-to-grasp kinematics." Journal of Neurophysiology 114, no. 6 (2015): 3268–82. http://dx.doi.org/10.1152/jn.00686.2015.

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In reaching to grasp an object, the arm transports the hand to the intended location as the hand shapes to grasp the object. Prior studies that tracked arm endpoint and grip aperture have shown that reaching and grasping, while proceeding in parallel, are interdependent to some degree. Other studies of reaching and grasping that have examined the joint angles of all five digits as the hand shapes to grasp various objects have not tracked the joint angles of the arm as well. We, therefore, examined 22 joint angles from the shoulder to the five digits as monkeys reached, grasped, and manipulated

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Turon, Francina, Katarzyna Chalasinska-Macukow, Juan Campos, and Maria J. Yzuel. "Pure phase correlation applied to multi-object colour scenes." Journal of Optics 28, no. 3 (1997): 112–17. http://dx.doi.org/10.1088/0150-536x/28/3/004.

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Hu, Guoce, Jun Wang, Huaxia Deng, Mengchao Ma, and Xiang Zhong. "Dynamic 3D Measurement without Motion Artifacts Based on Feature Compensation." Sensors 23, no. 16 (2023): 7147. http://dx.doi.org/10.3390/s23167147.

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Phase-shift profilometry (PSP) holds great promise for high-precision 3D shape measurements. However, in the case of measuring moving objects, as PSP requires multiple images to calculate the phase, the movement of the object causes artifacts in the measurement, which in turn has a significant impact on the accuracy of the 3D surface measurement. Therefore, we propose a method to reduce motion artifacts using feature information in the image and simulate it using the six-step term shift method as a case study. The simulation results show that the phase of the object is greatly affected when th

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Dragović, Svjetlana. "The identification of a person or an object by an eyewitness." Zurnal za bezbjednost i kriminalistiku 6, no. 1 (2024): 51–58. http://dx.doi.org/10.5937/zurbezkrim2401051d.

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Giving testimony is a general duty of all individuals and entails a range of obligations, among which is the obligation of a witness to give a statement. Giving a statement means providing information about the criminal act, the perpetrator, and other important circumstances surround the specific case. However, in situations where, for instance, it is necessary to determine whether an eyewitness can identify a person or objects, an eyewitness identification procedure must be conducted. This means that in addition to giving a statement, in cases where it is necessary, an eyewitness is also aske

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