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Journal articles on the topic 'Video projector'

Author: Grafiati

Published: 24 July 2022

Last updated: 8 August 2022

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1

Sharma, Atul, Sushil Raut, Kohei Shimasaki, Taku Senoo, and Idaku Ishii. "Visual-Feedback-Based Frame-by-Frame Synchronization for 3000 fps Projector–Camera Visual Light Communication." Electronics 10, no. 14 (2021): 1631. http://dx.doi.org/10.3390/electronics10141631.

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This paper proposes a novel method for synchronizing a high frame-rate (HFR) camera with an HFR projector, using a visual feedback-based synchronization algorithm for streaming video sequences in real time on a visible-light communication (VLC)-based system. The frame rates of the camera and projector are equal, and their phases are synchronized. A visual feedback-based synchronization algorithm is used to mitigate the complexities and stabilization issues of wire-based triggering for long-distance systems. The HFR projector projects a binary pattern modulated at 3000 fps. The HFR camera syste

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2

Nicolas, Christophe, Jean-Baptiste Leprince, and Jean-Pierre Huignard. "Stereoscopic LCD video projector." Journal of the Society for Information Display 2, no. 4 (1994): 165. http://dx.doi.org/10.1889/1.1984927.

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3

Ymauchi, K., H. Kanayama, T. Miwa, K. Takeuchi, N. Nakatani, and Y. Marusita. "High resolution LC video projector." IEEE Transactions on Consumer Electronics 36, no. 3 (1990): 430–36. http://dx.doi.org/10.1109/30.103156.

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4

von Jungenfeld, Rocio. "Portable Projections: Analyzing Cocreated Site-Specific Video Walks." Leonardo 53, no. 5 (2020): 492–97. http://dx.doi.org/10.1162/leon_a_01794.

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The author discusses key findings of a series of video walks developed as part of her practice-based PhD research (2011–2014). Four video walks were produced for handheld projectors and tested in four different public spaces. The first video walks ( The Surface Inside, 2011; I-Walk, 2012) were guided, and only one handheld projector was available. The latter ( Walk-itch, 2013; (wh)ere land, 2014) were created for multiple handheld projectors, offering participants a cocreative role. Onsite observations revealed a shift in participant engagement between earlier and later video walks. A threefol

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Kalisperakis, Ilias, Lazaros Grammatikopoulos, Elli Petsa, and George Karras. "A Structured-Light Approach for the Reconstruction of Complex Objects." Geoinformatics FCE CTU 6 (December 21, 2011): 259–66. http://dx.doi.org/10.14311/gi.6.32.

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Recently, one of the central issues in the fields of Photogrammetry, Computer Vision, Computer Graphics and Image Processing is the development of tools for the automatic reconstruction of complex 3D objects. Among various approaches, one of the most promising is Structured Light 3D scanning (SL) which combines automation and high accuracy with low cost, given the steady decrease in price of cameras and projectors. SL relies on the projection of different light patterns, by means of a video projector, on 3D object sur faces, which are recorded by one or more digital cameras. Automatic pattern

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Sharma, Atul, Sushil Raut, Kohei Shimasaki, Taku Senoo, and Idaku Ishii. "HFR Projector Camera Based Visible Light Communication System for Real-Time Video Streaming." Sensors 20, no. 18 (2020): 5368. http://dx.doi.org/10.3390/s20185368.

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This study develops a projector–camera-based visible light communication (VLC) system for real-time broadband video streaming, in which a high frame rate (HFR) projector can encode and project a color input video sequence into binary image patterns modulated at thousands of frames per second and an HFR vision system can capture and decode these binary patterns into the input color video sequence with real-time video processing. For maximum utilization of the high-throughput transmission ability of the HFR projector, we introduce a projector–camera VLC protocol, wherein a multi-level color vide

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Draréni, Jamil, Sébastien Roy, and Peter Sturm. "Methods for geometrical video projector calibration." Machine Vision and Applications 23, no. 1 (2011): 79–89. http://dx.doi.org/10.1007/s00138-011-0322-3.

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Drouin, Marc-Antoine, Pierre-Marc Jodoin, and Julien Prémont. "Camera–projector matching using unstructured video." Machine Vision and Applications 23, no. 5 (2011): 887–902. http://dx.doi.org/10.1007/s00138-011-0358-4.

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Dussan Molinos, Laura, Cord Huchzermeyer, Robert Lämmer, Jan Kremers, and Folkert K. Horn. "Blue–Yellow VEP with Projector-Stimulation in Glaucoma." Graefe's Archive for Clinical and Experimental Ophthalmology 260, no. 4 (2021): 1171–81. http://dx.doi.org/10.1007/s00417-021-05473-w.

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Abstract Background and aim In the past, increased latencies of the blue-on-yellow pattern visually evoked potentials (BY-VEP), which predominantly originate in the koniocellular pathway, have proven to be a sensitive biomarker for early glaucoma. However, a complex experimental setup based on an optical bench was necessary to obtain these measurements because computer screens lack sufficient temporal, spatial, spectral, and luminance resolution. Here, we evaluated the diagnostic value of a novel setup based on a commercially available video projector. Methods BY-VEPs were recorded in 126 part

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Jing, Chang Long, Qi Bin Feng, Ying Song Zhang, et al. "LED-Based 3-DMD Volumetric 3D Display." Applied Mechanics and Materials 596 (July 2014): 442–45. http://dx.doi.org/10.4028/www.scientific.net/amm.596.442.

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A solid-state volumetric true 3D display developed by Hefei University of Technology consists of two main components: a high-speed video projector and a stack of liquid crystal shutters. The shutters are based on polymer stabilized cholesteric texture material, presenting different states that can be switched by different voltage. The high-speed video projector includes LED-based light source and tree-chip digital micro-mirror devices modulating RGB lights. A sequence of slices of three-dimensional images are projected into the liquid crystal shutters locating at the proper depth, forming a tr

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11

He, Wan Tao, Xiang Lin Meng, and Can Zhao. "Phase Error Immunity Optical Measurement System." Advanced Materials Research 142 (October 2010): 194–98. http://dx.doi.org/10.4028/www.scientific.net/amr.142.194.

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In this paper, a 3D shape measurement system based on a digital fringe projection and phase-shifting technique was described. The fringe generated by a computer was projected onto the object by utilizing a digital video projector. Four steps phase shifting algorithm was used to calculate the 2π wrapping phase, and a heterodyne principle was used to unwrap the phase to obtain the real phase. Then the 3D coordinates object was calculated base on stereo vision algorithm by using the real phase as a constraint. Experiments demonstrated that the system was not sensitive to the phase error caused by

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Rashidizad, Hossein, and Abdolreza Rahimi. "Effect of Scanning Depth of Field on the Measurement Noises of Developed Fringe Projection 3D Scanning System." Applied Mechanics and Materials 624 (August 2014): 322–26. http://dx.doi.org/10.4028/www.scientific.net/amm.624.322.

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In this paper, some tests was performed to evaluate the effect of scanning depth of field on the measurement error and the density of the point cloud obtained from the developed non-contact 3D scanner by measurement error of about ±0.05mm, which was taken from a single digital camera and a 3LCD video projector as a source projecting the structured light pattern. To perform this analysis, the scanning depth changes occurred in steps. However, due to the effect that the video projector focus has on the sharpness of the projected image pattern and consequently the measurement noise created, the t

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Papazoglou, D. G., M. Loulakis, G. Siganakis, and N. A. Vainos. "Holographic read - write projector of video images." Optics Express 10, no. 6 (2002): 280. http://dx.doi.org/10.1364/oe.10.000280.

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Blystone, Robert V. "Presentation of the Microscopy Image." Microscopy Today 6, no. 6 (1998): 28–29. http://dx.doi.org/10.1017/s1551929500068206.

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Microscopists have special challenges when presenting image data to audiences, Issues such as image size, resolution, and labeling are related to the format of the presented image. Contact prints, transparencies, 35 mm film, and projected video of digital images are some of the output options possible for microscopy presentation. This brings us to a question which Jonathan Krupp of the University of California, Santa Cruz, recently posed to the Microscopy listserver;“In this age of digital imaging, is a film recorder still useful? The last presentation I went to was all PowerPoint ‘slides’, bu

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Murano, Kanji, Masami Himuro, Yoshihisa Watanabe, and Minehiro Tonosaki. "A Video Projector Using a PLZT Light Shutter Array." Japanese Journal of Applied Physics 24, S2 (1985): 139. http://dx.doi.org/10.7567/jjaps.24s2.139.

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NAKATSU, MASASHI. "Presentation system by personal computer connecting with video projector." Journal of the Japan Society of Precision Engineering 51, no. 10 (1985): 1870–73. http://dx.doi.org/10.2493/jjspe1933.51.1870.

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INOUE, Tomoyuki, Shingo KAGAMI, and Koichi HASHIMOTO. "2P2-E15 Video Projection with Reduced Motion Blur Using a High-Speed DMD Projector." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2008 (2008): _2P2—E15_1—_2P2—E15_4. http://dx.doi.org/10.1299/jsmermd.2008._2p2-e15_1.

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Pongrácz, Péter, András Péter, and Ádám Miklósi. "Familiarity with images affects how dogs (Canis familiaris) process life-size video projections of humans." Quarterly Journal of Experimental Psychology 71, no. 6 (2018): 1457–68. http://dx.doi.org/10.1080/17470218.2017.1333623.

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A central problem of behavioural studies providing artificial visual stimuli for non-human animals is to determine how subjects perceive and process these stimuli. Especially in the case of videos, it is important to ascertain that animals perceive the actual content of the images and are not just reacting to the motion cues in the presentation. In this study, we set out to investigate how dogs process life-sized videos. We aimed to find out whether dogs perceive the actual content of video images or whether they only react to the videos as a set of dynamic visual elements. For this purpose, d

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Szpygiel, Jędrzej, Maksymilian Chlipała, Rafał Kukołowicz, Moncy Idicula, and Tomasz Kozacki. "Distortion correction for wide angle holographic projector." Photonics Letters of Poland 13, no. 4 (2021): 79. http://dx.doi.org/10.4302/plp.v13i4.1125.

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This letter presents distortion correction method enabling distortion minimized, large size image in wide angle holographic projector. The technique applies numerical predistortion of an input image used for hologram generation. It is based on estimation of distortion coefficients by comparing optically reconstructed point test chart with the original one. Obtained experimental results prove that the technique allows reconstruction of high-quality image. Full Text: PDF ReferencesM. Makowski, Experimental Aspects of Holographic Projection with a Liquid-Crystal-on-Silicon Spatial Light Modulator

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Kurumada, Akira, Noriyoshi Asakura, Hiroki Suzuki, Chihiro Masuda, and Hideo Takahashi. "Investigation of 3D display using moving screens and video projector." JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN 78, Appendix (1994): 174. http://dx.doi.org/10.2150/jieij1980.78.appendix_174.

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Banks, Lewis, Martin Birch, Daniel Krueerke, et al. "73.4: Real-time Diffractive Video Projector Employing Ferroelectric LCOS SLM." SID Symposium Digest of Technical Papers 37, no. 1 (2006): 2018. http://dx.doi.org/10.1889/1.2433453.

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22

Tsuruta, Masahiko, and Neil Neubert. "An Advanced High-Resolution, High-Brightness LCD Color Video Projector." SMPTE Journal 101, no. 6 (1992): 399–403. http://dx.doi.org/10.5594/j02261.

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23

von Leupoldt, Andreas, Bettina Hartle-Bremerich, and Bernhard Dahme. "Application of video glasses for sustained affective picture presentations: A comparison with video projector presentations." Behavior Research Methods 37, no. 4 (2005): 602–7. http://dx.doi.org/10.3758/bf03192730.

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24

Sholikhudin, Anang. "IMPLEMENTASI MEDIA VIDEO INTERAKTIF DALAM MATA PELAJARAN Al-QUR’AN DAN Al-HADITS DI MI DARUT TAQWA SENGONAGUNG PURWOSARI PASURUAN." Jurnal Mu’allim 2, no. 1 (2020): 127–38. http://dx.doi.org/10.35891/muallim.v2i1.2326.

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Interactive Video Media in learning is a living image which is a picture in a frame where frame by frame is mechanically projected through the projector lens so that the screen looks alive. As with films, videos can depict an object moving together with natural sounds or sounds that are appropriate in learning. The formulation of the problems in this study are: 1. How is the implementation of interactive video media in the subject of al-Qur'an and al-Hadith at MI Darut Taqwa Sengonagung Purwosari Pasuruan? 2. What factors support and hinder the implementation of interactive video media i

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Lund, Mark W. "Through a Cracked Lens: Alternate Views of Light Microscopy Part 3: Illuminating Illumination." Microscopy Today 4, no. 1 (1996): 10–11. http://dx.doi.org/10.1017/s1551929500066967.

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Did I ever tell you about my first optical enginsering project? It was a video projector which used many innovative ideas, including one of the first liquid crystal video displays. It was dssigned to be the brightest projector ever made and was used in a helmet mounted display prototype. My first job out of college was to gather the parts, put it together, and measure its characteristics. To make a long story short, I had to turn the room lights out to see the image! What made a 20,000-footlambert design into a 20- footlambert display? Illumination! I learned a lot about illumination in those

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Kuz’min, M. S., and S. A. Rogov. "Binary Phase SLMs Based on the LC Matrix of Video Projector." Technical Physics 63, no. 1 (2018): 83–85. http://dx.doi.org/10.1134/s1063784218010176.

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Huang, H. C., P. W. Cheng, H. S. Kwok, and S. K. Kwok. "A compact and high-resolution video projector based on silicon light valves." IEEE Transactions on Consumer Electronics 45, no. 4 (1999): 1144–49. http://dx.doi.org/10.1109/30.809195.

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28

HIROOKA, S. "Calibration Free Virtual Display System Using Video Projector onto Real Object Surface." IEICE Transactions on Information and Systems E89-D, no. 1 (2006): 88–97. http://dx.doi.org/10.1093/ietisy/e89-d.1.88.

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Besharati Tabrizi, Leila, and Mehran Mahvash. "Augmented reality–guided neurosurgery: accuracy and intraoperative application of an image projection technique." Journal of Neurosurgery 123, no. 1 (2015): 206–11. http://dx.doi.org/10.3171/2014.9.jns141001.

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OBJECT An augmented reality system has been developed for image-guided neurosurgery to project images with regions of interest onto the patient's head, skull, or brain surface in real time. The aim of this study was to evaluate system accuracy and to perform the first intraoperative application. METHODS Images of segmented brain tumors in different localizations and sizes were created in 10 cases and were projected to a head phantom using a video projector. Registration was performed using 5 fiducial markers. After each registration, the distance of the 5 fiducial markers from the visualized t

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Dzakhmisheva, I. S. "Innovative technologies in merchandising." Proceedings of the Voronezh State University of Engineering Technologies 82, no. 4 (2021): 272–76. http://dx.doi.org/10.20914/2310-1202-2020-4-272-276.

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The article summarizes and systematizes modern high-tech digital tools that allow modeling the behavior of a modern consumer and ensuring the efficiency of the functioning of trade enterprises by increasing sales. It has been established that merchandising has an impressive arsenal of high-tech tools, which include: projection showcase, interactive showcase, virtual shelf, 3D showcase, Aislelabs and Prism Skylabs devices, mobile applications, Fetch Robotics and Lowe's robots, ERP system, Amazon Prime Air system, etc. A projection showcase is a showcase glass (screen) covered with a special fil

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Lehmann, Jannis, Christian Tzschaschel, Manfred Fiebig, and Thomas Weber. "Microdisplays as a versatile tool for the optical simulation of crystal diffraction in the classroom." Journal of Applied Crystallography 52, no. 2 (2019): 457–62. http://dx.doi.org/10.1107/s1600576719001948.

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Presented here is a flexible and low-cost setup for demonstrating X-ray, electron or neutron diffraction methods in the classroom. Using programmable spatial light modulators extracted from a commercial video projector, physical diffraction patterns are generated, in real time, of any two-dimensional structure which can be displayed on a computer screen. This concept enables hands-on experience beyond simplest-case scenarios of scattering phenomena, and for the students, the transfer to the regime of visible light greatly enhances intuitive understanding of diffraction in real and reciprocal s

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He, Xing Zheng, Jing Lan Ma, and Wei Wang. "A Grating Generator for 3D Scanner Using CPLD." Applied Mechanics and Materials 462-463 (November 2013): 89–92. http://dx.doi.org/10.4028/www.scientific.net/amm.462-463.89.

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In the three-dimensional scanners (3D scanners), the grating generator is a key hardware. The commercial video projector is always used to act as the electronic grating generator normally. But there are some defects existed. Such as, the size is too large to setup in the case, it is not easy to be controlled by a single chip microcomputer, etc. To solve these problems, in this paper, a new type of grating generator was designed. A complex programmable logic device (CPLD) chip is used to control a liquid crystal on silicon (LCOS) video chip directly, and it works well.

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Al Smadi, Takialddin. "Modern Technology for Image processing and Computer vision -A Review." Journal of advanced Sciences and Engineering Technologies 1, no. 2 (2018): 17–23. http://dx.doi.org/10.32441/jaset.v1i2.178.

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This survey outlines the use of computer vision in Image and video processing in multidisciplinary applications; either in academia or industry, which are active in this field.The scope of this paper covers the theoretical and practical aspects in image and video processing in addition of computer vision, from essential research to evolution of application.In this paper a various subjects of image processing and computer vision will be demonstrated ,these subjects are spanned from the evolution of mobile augmented reality (MAR) applications, to augmented reality under 3D modeling and real time

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Lewis, L., J. Jones, and E. Haynes. "Low-cost video-films in the teaching of undergraduate and postgraduate medical students." Journal of Telemedicine and Telecare 6, no. 2_suppl (2000): 45–47. http://dx.doi.org/10.1258/1357633001935545.

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The high cost of producing good-quality video-films for teaching has hindered the use of this method, which has been shown to improve significantly the efficiency of teaching and the retention of knowledge. During the last five years, a series of short video-films has been produced using inexpensive video-cameras and home video-recording and editing equipment. A variety of techniques were developed to allow recording of lecture presentations, while using the equipment as a teaching aid, without the need for technical staff. The positioning of the camera, the monitor, the slide projector and li

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Isono, Haruo, Minoru Yasuda, Koji Miwa, Hideyuki Kanayama, and Chihiko Yamada. "40-inch Stereoscopic TV Display without Special Glasses Using Liquid Crystal Video Projector." Journal of the Institute of Television Engineers of Japan 46, no. 4 (1992): 518–25. http://dx.doi.org/10.3169/itej1978.46.518.

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Dong, Huan. "The Measurement of 3D Object Shape Based on Fourier Transform Profilometry." Advanced Materials Research 756-759 (September 2013): 678–81. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.678.

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In this paper, we present an optical profilometric technique for 3D shape measurement--Fourier Transform Profilometry (FTP). In contrast to other optical techniques, the grating pattern will in its spatial frequency fields as well as in its space-signal fields which projected onto the object surface and was Fourier-transformed and processed. This technique only requires a single fringe pattern up to no more than two to reproduce 3D object shape. FTP has a much higher sensitivity to the fringe quality than other techniques. We design a system which has a high-resolution system composed of a vid

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Bleier, M., and A. Nüchter. "TOWARDS ROBUST SELF-CALIBRATION FOR HANDHELD 3D LINE LASER SCANNING." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-2/W8 (November 13, 2017): 31–36. http://dx.doi.org/10.5194/isprs-archives-xlii-2-w8-31-2017.

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This paper studies self-calibration of a structured light system, which reconstructs 3D information using video from a static consumer camera and a handheld cross line laser projector. Intersections between the individual laser curves and geometric constraints on the relative position of the laser planes are exploited to achieve dense 3D reconstruction. This is possible without any prior knowledge of the movement of the projector. However, inaccurrately extracted laser lines introduce noise in the detected intersection positions and therefore distort the reconstruction result. Furthermore, whe

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Kuzmin, M. S., and S. A. Rogov. "Spatial light modulator based on liquid-crystal video projector matrix for information processing systems." Optical Memory and Neural Networks 22, no. 4 (2013): 261–66. http://dx.doi.org/10.3103/s1060992x13040103.

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Gurney, Jud W. "DICOM to Print, 35-mm Slides, Web, and Video Projector: Tutorial Using Adobe Photoshop." Journal of Thoracic Imaging 17, no. 4 (2002): 285–90. http://dx.doi.org/10.1097/00005382-200210000-00005.

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Zhang, Song, and Shing-Tung Yau. "Generic nonsinusoidal phase error correction for three-dimensional shape measurement using a digital video projector." Applied Optics 46, no. 1 (2007): 36. http://dx.doi.org/10.1364/ao.46.000036.

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Hardianto, Roki, Sean Marta Efastri, and Eddissyah Putra Pane. "Pelatihan Pembuatan Media Pembelajaran Berbasis Teknologi Untuk Pendidik PAUD Di Kec Bukit Raya Kota Pekanbaru." J-COSCIS : Journal of Computer Science Community Service 2, no. 1 (2022): 25–38. http://dx.doi.org/10.31849/jcoscis.v2i1.8026.

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Kegiatan Pengabdian Kepada Masyarakat dilaksanakan kepada Pendidik PAUD di Kecamatan Bukit Raya Kota Pekanbaru. Materi pelatihan yang diberikan pengetahuan teknologi dibidang Pendidikan Anak Usia Dini (PAUD). Apalagi dibanyak temuan dilapangan banyak guru / tenaga pendidik PAUD yang masih belum pendidikan sarjana, jika sudah pendidikan sarjana tetapi bukan dari lulusan sarjana PAUD. Teknologi disini bisa dimanfaatkan pada saat proses pembelajaran kepada peserta didik seperti dalam membuat media pembelajaran menggunakan media digital yang ditampilkan menggunakan projector, membuat video animasi

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Andriolo, Umberto, Elena Sánchez-García, and Rui Taborda. "Operational Use of Surfcam Online Streaming Images for Coastal Morphodynamic Studies." Remote Sensing 11, no. 1 (2019): 78. http://dx.doi.org/10.3390/rs11010078.

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Coastal video monitoring has been proven to be a valuable shore-based remote-sensing technique to study coastal processes, as it offers the possibility of high-frequency, continuous and autonomous observations of the coastal area. However, the installation of a video systems infrastructure requires economical and technical efforts, along with being often limited by logistical constraints. This study presents methodological approaches to exploit “surfcam” internet streamed images for quantitative scientific studies. Two different methodologies to collect the required ground control points (GCPs

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Shu, Guangqiang, and Tao Lin. "The Finger-Based Interactive Projection using a Monocular Camera." International Journal of Pattern Recognition and Artificial Intelligence 33, no. 14 (2019): 1954034. http://dx.doi.org/10.1142/s021800141954034x.

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Ordinary projection screen is not sensitive to interaction, it cannot meet the demands of teaching, virtual reality, and other applications. Due to the fact that people always use hands to complete a variety of human–computer interaction, the finger-based interactive projection technology is worth being researched. In this paper, an ordinary monocular camera is used to acquire video frame on projection screen, and the touch signal of finger in frame is used as the input of interactive projection system. Because the differences between spatial frequency of common digital camera and the projecti

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Teipen, Brian T., and Duncan L. MacFarlane. "Liquid-crystal-display projector-based modulation transfer function measurements of charge-coupled-device video camera systems." Applied Optics 39, no. 4 (2000): 515. http://dx.doi.org/10.1364/ao.39.000515.

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Bauer, F., and R. Hörmanseder. "Connecting an IBM enhanced graphics adapter (EGA) to a video projector (Sony VPH-722QM/VPH-1020QM)." Journal of Microcomputer Applications 11, no. 1 (1988): 47–56. http://dx.doi.org/10.1016/0745-7138(88)90023-1.

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Amirullah, Mohammad Yaqin, Nuzul Hikmah, and Ary Analisa Rahma. "Rancang Bangun Aplikasi Media Pembelajaran Perakitan dan Perawatan pada Sistem Komputer Berbasis Android." JTIM : Jurnal Teknologi Informasi dan Multimedia 2, no. 2 (2020): 116–24. http://dx.doi.org/10.35746/jtim.v2i2.90.

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Teaching and learning is basically a process of educational interaction between teacher and student. Learning media become a very important part of the learning process. Therefore it is necessary to find an attractive learning media for students one of them is interactive learning media. Computer learning is one of the basic competency standards taught to students in vocational high schools. Based on observations at the Vocational High School Zainul Hasan Genggong Genggong with the speaker Mr. Mohammad Saleh, S.Kom as a teacher in the Vocational Basic Computer and Network Engineering, he said

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Ricke, J., L. Kleinholz, N. Hosten, et al. "Telemedicine in Rural Areas. Experience with Medical Desktop-Conferencing via Satellite." Journal of Telemedicine and Telecare 1, no. 4 (1995): 224–28. http://dx.doi.org/10.1177/1357633x9500100406.

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Cooperation between physicians in hospitals in rural areas can be assisted by desktop-conferencing using a satellite link. For six weeks, medical desktop-conferencing was tested during daily clinical conferences between the Virchow-Klinikum, Berlin, and the Medical Academy, Wroclaw. The communications link was provided by the German Telekom satellite system MCS, which allowed temporary connections to be established on demand by manual dialling. Standard hardware and software were used for videoconferencing, as well as software for medical communication developed in the BERMED project. Digital

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Briant, C. L., and Bernard P. Bewlay. "The Coolidge Process for Making Tungsten Ductile: The Foundation of Incandescent Lighting." MRS Bulletin 20, no. 8 (1995): 67–73. http://dx.doi.org/10.1557/s0883769400045164.

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Try to imagine a world without incandescent lamps. We light our homes with 20-200-watt lamps, which are routinely purchased in local stores. These lamps are made at the rate of millions per week and their manufacture represents a large global industry. The consumer expects them to last approximately 1,000 hours and to be energy efficient and inexpensive.Many types of incandescent lamps exist. Figure 1 shows several examples. The most common types are A-line (the general household lamp), automotive lamps, and reflector lamps for floodlight or projector applications. We also have many thousands

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Fakhruddin, Kausar Sadia, El Batawi Hisham, and Mehmet Omer Gorduysus. "Effectiveness of audiovisual distraction eyewear and computerized delivery of anesthesia during pulp therapy of primary molars in phobic child patients." European Journal of Dentistry 09, no. 04 (2015): 470–75. http://dx.doi.org/10.4103/1305-7456.172637.

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ABSTRACT Objectives: The aim of this study is to assess the effectiveness of audiovisual distraction technique with video eyewear and computerized delivery system-intrasulcular (CDS-IS) during the application of local anesthetic in phobic pediatric patients undergoing pulp therapy of primary molars. Materials and Methods: This randomized, crossover clinical study includes 60 children, aged between 4 and 7-year-old (31 boys and 29 girls). Children were randomly distributed equally into two groups as A and B. This study involved two treatment sessions of pulp therapy, 1-week apart. During treatm

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Sharma, Prateek, V. Ramesh, and Khalid Al Aboud. "PowerPoint presentations (PPP): From A to Z." Our Dermatology Online 13, no. 2 (2022): 233–36. http://dx.doi.org/10.7241/ourd.20222.34.

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In the last several decades of the twentieth century, an overhead projector was a great option for giving presentations. One could write the main points on a transparent sheet and project it onto a screen, including drawings and graphs. Alternatively, slides incorporating such information could be projected on a screen with a carousel. The limitations included carrying these and the inability to share or make changes later. The 1990s heralded the era of PowerPoint presentations (PPPs), which have relegated these to history. Toward the end of the second millennium, when the digital mode took ov

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