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Journal articles on the topic 'Design camera lens'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Haider, Y. Hammod*1 Saaid F. Hassan2 Intisar A. Naseef3. "DESIGN AND ANALYSIS DIGITAL CAMERA LENS USING ZEMAX PROGRAM." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 8 (2017): 186–91. https://doi.org/10.5281/zenodo.839163.

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The objective of this study is to design and analysis of Digital camera Multiple Lens Reflex (DMLR) cameras design and analysis using the Zemax software.A wide range of wave length extends from (0.486- 0.656) µm and diffraction limited over a large field of angles with F/#2.9 also studied. We found these the performance is very close to the predicted values of aberrations. which selected with limited magnification that may be used for photography.

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Willner, S. P. "A four lens camera design." Experimental Astronomy 3, no. 1-4 (1994): 147–48. http://dx.doi.org/10.1007/bf00430141.

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Wulandari, Ria, Dendy Jonas, and Naufal Fadhil Alwarits. "Design of Expert System Application for Android-Based DSLR Camera Damage Diagnosis." IAIC Transactions on Sustainable Digital Innovation (ITSDI) 1, no. 2 (2019): 99–107. http://dx.doi.org/10.34306/itsdi.v1i2.19.

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In the digital age it is possible for everyone to do anything including documenting moments. One of them is digital camera based on Digital Single Lens Reflex or DSLR. But sometimes the use that is not according to the procedure can cause damage to the camera. As a layman, of course, will be confused with the problems that arise when there is damage and will be more decided to buy a new one or sell it, even though the damaged camera can still be repaired alone or by expert technicians. To solve the problem, an Expert System was created to diagnose damage to the Digital Single Lens Reflex camer

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Chen, Kuen Suan, Ching Hsin Wang, and Yu Yi Wang. "Applying a Six Sigma MAIC Process to Improve the Quality of Lens Camera Production." Key Engineering Materials 500 (January 2012): 301–10. http://dx.doi.org/10.4028/www.scientific.net/kem.500.301.

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The rapid development of technology has led to the increased embracing of portable consumer electronics, such as mobile phones, digital cameras, and notebook computers. The lens cameras installed in these electronics are indispensable, and the function and quality of lens cameras have gained increasing attention. This study examines the production processes of lens camera products, utilizing the production capacity indicatorCpmto develop an evaluation model. This approach seeks to determine the important product quality characteristic production processes that have a detrimental impact on lens

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Burnett, Bryan, and Steven Blaauw. "Macro Imaging with Digital Cameras." Microscopy Today 11, no. 4 (2003): 32–35. http://dx.doi.org/10.1017/s1551929500053050.

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Advances in charged couple device (CCD) design, low cast processor power, cheap memory and dropping prices of digital cameras over the last few years have made the CCD digital camera art attractive alternative to the film camera for many imaging applications. This is especially true in macro imaging where it appears likely that digital cameras will replace film cameras (curiously, Long (2001), says otherwise). As will be described here, a digital camera equipped with a quality macro-zoom lens, generates images with a depth of field (e.g., Fig. 1) that greatly surpass images produced by a film

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Li, Juan, Zhao Hui Liu, and Chao Mei. "The Camera Lens Design of 3D Low Light Level Color Night Vision System." Applied Mechanics and Materials 568-570 (June 2014): 598–603. http://dx.doi.org/10.4028/www.scientific.net/amm.568-570.598.

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Two camera lenses for 3D low light level color night vision system are designed in CODE V. The panchromatic sensitive camera lens works in a wide spectral band 400nm-1000nm, yellow green-sensitive camera lens works in a band of 400nm-600nm.The two camera lenses have same parameters, such as focal length 120mm, relative aperture 1/2, the field angle of 5.26 °. In the design of two camera lenses, we split and complex cooke triplet lens, the chromatic aberration is balanced by adding a binary diffractive surface. The results of design show that sensitive panchromatic camera lens and yellow-green-

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Sahin, Furkan. "Long-Range, High-Resolution Camera Optical Design for Assisted and Autonomous Driving." Photonics 6, no. 2 (2019): 73. http://dx.doi.org/10.3390/photonics6020073.

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High-quality cameras are fundamental sensors in assisted and autonomous driving. In particular, long-range forward-facing cameras can provide vital information about the road ahead, including detection and recognition of objects and early hazard warning. These automotive cameras should provide high-resolution images consistently under extreme operating conditions of the car for robust operation. This paper aims to introduce the design of fixed-focus, passively athermalized lenses for next-generation automotive cameras. After introducing an overview of essential and desirable features of automo

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Zhu Junyan, 朱军彦, and 丁桂林 Ding Guiling. "Design of a Vehicle-Mounted Camera Lens." Laser & Optoelectronics Progress 51, no. 10 (2014): 102203. http://dx.doi.org/10.3788/lop51.102203.

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Zhang, Jian Chuan, Wu Bin Li, and Chang Hou Lu. "Design of Automatic Detection Device for Steel Bar Surface Defects." Advanced Materials Research 532-533 (June 2012): 390–93. http://dx.doi.org/10.4028/www.scientific.net/amr.532-533.390.

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To inspect the surface quality of steel bar, we designed an automatic system including linear camera and laser. Through the comparison among kinds of cameras, we select linear CCD to our system. The laser is also chosen by us with its high luminance and performance. Through a series of computation, we select the appropriate camera lens to our device. At last, we draw the whole detection system. This device has been used well and provides a good foundation for prospective image processing.

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Chee, Seonkoo, Jaemyung Ryu, and Hojong Choi. "New Optical Design Method of Floating Type Collimator for Microscopic Camera Inspection." Applied Sciences 11, no. 13 (2021): 6203. http://dx.doi.org/10.3390/app11136203.

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Recently released mobile phone cameras are capable of photographing objects at a fairly close distance. In addition, the field angle from the camera has increased. To measure the resolution of a mobile phone camera, the target must be photographed. To measure the resolution according to the object distance change from a mobile phone camera with a wide field angle, the target size must be large, whereas the target position must be moved. However, the target size cannot be changed. A virtual object for the target was created using a collimator. Moving a part of the lens group constituting the co

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Kwan, Elliott, and Hong Hua. "Calibration of transverse ray and pupil aberrations for light field cameras." Applied Optics 61, no. 24 (2022): 6974. http://dx.doi.org/10.1364/ao.465129.

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The accuracy of reconstructing depth maps or performing digital refocusing in light field cameras depends largely on how well the spatial and angular samples of light rays can be obtained. Ray sample errors induced by optical aberrations in a light field camera may be digitally corrected using the ray tracing data when its nominal lens design is available. However, the most commonly nominal lens prescription is not accessible to end users. Additionally, even if available, due to tolerances in optomechanical design, the ray tracing data can be inaccurate. We propose a calibration method based o

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Gleicher, Michael, and Andrew Witkin. "Through-the-lens camera control." ACM SIGGRAPH Computer Graphics 26, no. 2 (1992): 331–40. http://dx.doi.org/10.1145/142920.134088.

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Park, Sung-Chan, and Jun Park. "Zoom Lens Design for a Slim Mobile Camera Using Liquid Lens." Journal of the Korean Physical Society 54, no. 6 (2009): 2274–81. http://dx.doi.org/10.3938/jkps.54.2274.

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Chou, Chun-Feng, Cheng-Mu Tsai, Chao-Hsien Chen, et al. "Optical Design and Optimization with Genetic Algorithm for High-Resolution Optics Applied to Underwater Remote-Sensing." Applied Sciences 11, no. 21 (2021): 10200. http://dx.doi.org/10.3390/app112110200.

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In fields such as biology, archeology, and industry, underwater photogrammetry can be achieved using consumer-grade equipment. However, camera operations underwater differ considerably from those on land because underwater photogrammetry involves different optical phenomena. On the basis of the requirements and specifications of the marine vessel Polaris, we developed a novel underwater camera with prime and zoom lenses and a high resolving power. The camera can be used in the spectrum in shallow water and the blue–green spectrum in deep water. In the past, ordinary cameras would be placed in

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Peng, Xuefeng. "Design of High Pixel Mobile Phone Camera Lens." Research Journal of Applied Sciences, Engineering and Technology 6, no. 7 (2013): 1160–65. http://dx.doi.org/10.19026/rjaset.6.3926.

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Goshtasby, Ardeshir, and William A. Gruver. "Design of a single-lens stereo camera system." Pattern Recognition 26, no. 6 (1993): 923–37. http://dx.doi.org/10.1016/0031-3203(93)90058-5.

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Park, Sung-Chan, and Byoung-Taek You. "Ultra-Compact Zoom Lens Design for Phone Camera Using Hybrid Lens System." Hankook Kwanghak Hoeji 19, no. 5 (2008): 349–59. http://dx.doi.org/10.3807/hkh.2008.19.5.349.

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Muijres, Florian T., Andrew K. Dickerson, and Remco Pieters. "Designing a Generic Videography Experiment for Studying Mosquito Behavior." Cold Spring Harbor Protocols 2023, no. 2 (2022): pdb.prot107926. http://dx.doi.org/10.1101/pdb.prot107926.

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In this protocol, we describe the basic design considerations and general method to set up a videography system to study mosquito behavior. A basic videography system to study mosquito behavior requires one or more cameras with an optical lens, camera lighting, a calibration setup, and a system to record the video data or otherwise control the camera. Here, we define two types of systems: (1) a real-time videography-based tracking system for determining the position of multiple moving (flying) mosquitoes, and (2) a high-fidelity videography system that can track the detailed movements of body,

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Shah, M. V., and A. V. Patel. "Optomechanical design and analysis of lens assembly for space application." IOP Conference Series: Materials Science and Engineering 1258, no. 1 (2022): 012031. http://dx.doi.org/10.1088/1757-899x/1258/1/012031.

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This study illustrates how commercial off-the-shelf optics may be employed in space exploration cameras. The most frequent loads on optical systems are self-weight, which is caused by gravitational orientations, vibration, and temperature ranges, which is caused by exposure to quickly changing temperatures ranging from extremely cold to very hot and during launch. This study describes the modulation transfer function (MTF) performance of the selected lens assembly, followed by a top-down method to disassemble the optical parts of the commercial lens housing. The lens enclosure was designed and

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Choi, Hojong, and Jaemyung Ryu. "Design of Wide Angle and Large Aperture Optical System with Inner Focus for Compact System Camera Applications." Applied Sciences 10, no. 1 (2019): 179. http://dx.doi.org/10.3390/app10010179.

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Conventionally, a bright, very wide-angle optical system is designed as a floating type optical system that moves two or more lens groups composed of multiple lens in order to focus accurately. These have been widely used as phase detection auto focus (AF) methods within conventional digital single-lens reflex (DSLR) cameras. However, a phase detection AF optical system cannot be used when recording motion pictures. In contrast, a compact system camera (CSC) performs AF by the contrast method, where a stepper motor is used as the driving source for moving the optical lens. Nonetheless, to ensu

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Wu, Xiaotong, Wei-Sheng Lai, Yichang Shih, et al. "Efficient Hybrid Zoom Using Camera Fusion on Mobile Phones." ACM Transactions on Graphics 42, no. 6 (2023): 1–12. http://dx.doi.org/10.1145/3618362.

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DSLR cameras can achieve multiple zoom levels via shifting lens distances or swapping lens types. However, these techniques are not possible on smart-phone devices due to space constraints. Most smartphone manufacturers adopt a hybrid zoom system: commonly a Wide ( W ) camera at a low zoom level and a Telephoto ( T ) camera at a high zoom level. To simulate zoom levels between W and T , these systems crop and digitally upsample images from W , leading to significant detail loss. In this paper, we propose an efficient system for hybrid zoom super-resolution on mobile devices, which captures a s

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Chen, Shiqi, Huajun Feng, Dexin Pan, Zhihai Xu, Qi Li, and Yueting Chen. "Optical Aberrations Correction in Postprocessing Using Imaging Simulation." ACM Transactions on Graphics 40, no. 5 (2021): 1–15. http://dx.doi.org/10.1145/3474088.

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As the popularity of mobile photography continues to grow, considerable effort is being invested in the reconstruction of degraded images. Due to the spatial variation in optical aberrations, which cannot be avoided during the lens design process, recent commercial cameras have shifted some of these correction tasks from optical design to postprocessing systems. However, without engaging with the optical parameters, these systems only achieve limited correction for aberrations. In this work, we propose a practical method for recovering the degradation caused by optical aberrations. Specificall

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Huang Cheng, 黄城, 温同强 Wen Tongqiang, 路建华 Lu Jianhua, and 丁桂林 Ding Guilin. "Design of 2.5×Zoom Camera Lens within Cell Phone." Laser & Optoelectronics Progress 46, no. 5 (2009): 47–52. http://dx.doi.org/10.3788/lop20094605.0047.

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Bdaiwi, Noor Ibrahim, Ziad Tarik Ai Dhhan, and Zaid Abdulzahra Jabbar. "Design Laparoscopy Camera Vision System by Using Raspberry PI." Pakistan Journal of Medical and Health Sciences 16, no. 4 (2022): 958–60. http://dx.doi.org/10.53350/pjmhs22164958.

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AIM: Design a laparoscopy camera system by using a small electronic board raspberry pi and including it with the appropriate programs to improve the doctor’s image or video while using the device, in addition to the ease of carrying the device and transporting it in the workplace or training and with an efficiency that is no less than the traditional device available. Methods: key component in this project is the 3-in-1 camera laparoscopy compatibility lens ,The light source with camera in front of the scope makes the training platform more realistic for the trainee .The design involves consid

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Lim, Kee Joe, Oh Deok Kwon, Cheol Hyun Park, Jong Sub Lee, and Seong Hwa Kang. "The Design and Characteristics of a Novel Ultrasonic Motor." Materials Science Forum 514-516 (May 2006): 1457–61. http://dx.doi.org/10.4028/www.scientific.net/msf.514-516.1457.

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In this paper, the design and characteristics of a novel ultrasonic motor which is applicable to optical zoom or auto focusing operation of lens system for mobile phone are investigated. Its design and simulation of performances are carried out by FEM (Finite Element Method) commercial software. The shape of the motor is like square without one side, which is able to insert optical lens. Two sheets of piezoelectric ceramic are fixed to both sides of the two legs of an elastic body, respectively. To drive the ultrasonic motor, the voltage is applied to the two sheets of piezoelectric ceramic bo

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Yin Zhidong, 尹志东, 向阳 Xiang Yang, 高健 Gao Jian, and 孔达 Kong Da. "Optical Design of a 1300 Megapixel Mobile Phone Camera Lens Optics Designs." Laser & Optoelectronics Progress 51, no. 1 (2014): 012202. http://dx.doi.org/10.3788/lop51.012202.

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Zhu, Yong Jian, Feng Jun Chen, and Shao Hui Yin. "Studies on Mega-Pixel Cell Phone Lenses Based on Aspheric Optics." Applied Mechanics and Materials 109 (October 2011): 441–44. http://dx.doi.org/10.4028/www.scientific.net/amm.109.441.

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According to the principle of optical design, two kinds of 2 Mega-pixel cell phone camera lenses are proposed. One is made up of three plastic (3P) lenses; the other is made up of two plastic lenses and one glass (2P1G) lens. The shapes of all lenses are aspheric. By comparison, the overall length of 2P1G lens is much less than that of 3P lens. Furthermore, in FOV the former is 5 degrees larger than the latter. At the same time, in distortion of the maximum field angle, the former is much less. The other aberrations of 2P1G lens are almost same to those of 3P lens. Therefore, in cell phone cam

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Liang, Zheng. "Research of the Aerial Camera Lens to Eliminate the Secondary Spectrum." Applied Mechanics and Materials 644-650 (September 2014): 4076–79. http://dx.doi.org/10.4028/www.scientific.net/amm.644-650.4076.

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Aerial cameras are widely used in resource surveys, topographic mapping, military reconnaissance and many other fields. This paper introduced the sort of aerial camera, the development in our country and abroad about the theory of secondary spectrum. In order to meet the requirement for simple structure and high-resolution, the optical design of the apochromatism objective lens of aerial camera is achieved by common optical material. Objective’s focal length is 400mm, relative aperture is F/4 and work waveband is 420nm~850nm. Designing results show that the MTF of every field above 0.75 in 60l

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Xie, Shuping, Xinjun Wan, Bo Yang, Wei Zhang, Xiaoxiao Wei, and Songlin Zhuang. "Design and Fabrication of Wafer-Level Microlens Array with Moth-Eye Antireflective Nanostructures." Nanomaterials 9, no. 5 (2019): 747. http://dx.doi.org/10.3390/nano9050747.

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Wafer-level packaging (WLP) based camera module production has attracted widespread industrial interest because it offers high production efficiency and compact modules. However, suppressing the surface Fresnel reflection losses is challenging for wafer-level microlens arrays. Traditional dielectric antireflection (AR) coatings can cause wafer warpage and coating fractures during wafer lens coating and reflow. In this paper, we present the fabrication of a multiscale functional structure-based wafer-level lens array incorporating moth-eye nanostructures for AR effects, hundred-micrometer-level

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Huang, Zhi Qin, Pei Ying Quan, and Jin Li Zhang. "Applied Research on the Electric Wet Effect in Optical System Design." Advanced Materials Research 383-390 (November 2011): 4889–94. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4889.

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In the past half century, the camera industry has developed very rapidly, which drove the optical lens and optical zoom technology to make great progress. The zoom lens’ technology principle of current mainstream optical zoom lens system is achieved by adjusting the relative position of the lens, objects and the focus. This paper takes the double-liquid zoom lens based on electric wet effect as the basis , the new zoom optical system is designed to achieve motor control without mechanical movement, then the vision correction is designed by using liquid lens, such as the correction of myopia an

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Wu, Kuo-Tsai, Sheng-Jye Hwang, and Huei-Huang Lee. "Study of Exposure Uniformity of UV LED Exposure System for Wafer-Level Camera Lenses." Applied Sciences 9, no. 19 (2019): 4110. http://dx.doi.org/10.3390/app9194110.

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Wafer-level camera lenses are a very promising process for camera lens fabrication. However, there exist some problems with this technology, such as uneven exposure due to curing non-uniformities. In this study, an optical simulation was implemented to simulate the UV light-emitting diodes (LEDs) curing process. We design the LED arrangement, and then find the corresponding LED and adjust the LED power to improve exposure uniformity. The simulation results are very close to the experimental data, and the uniformity is also within the standard range.

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WANG Zhi, 王智, 张立平 ZHANG Li-ping, and 姚惠 YAO Hui. "Design on Optical Lens of Three-linear Tridimensional Mapping Camera." ACTA PHOTONICA SINICA 39, no. 2 (2010): 227–32. http://dx.doi.org/10.3788/gzxb20103902.0227.

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Wang Hu, 王虎, and 罗建军 Luo Jianjun. "Design of athermal and bifocal infrared lens for space camera." High Power Laser and Particle Beams 25, no. 10 (2013): 2511–16. http://dx.doi.org/10.3788/hplpb20132510.2511.

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Park, Sung-Chan, and Yong-Joo Jo. "Ultra-Slim Zoom Lens Design for a 3X Mobile Camera." Journal of the Korean Physical Society 52, no. 4 (2008): 1048–56. http://dx.doi.org/10.3938/jkps.52.1048.

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Yang Zhou, 杨周, and 丁桂林 Ding Guilin. "Design of Mobile Phone Camera Lens Based on CODE V." Laser & Optoelectronics Progress 50, no. 5 (2013): 051101. http://dx.doi.org/10.3788/lop50.051101.

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Tak, Jun-Mo, and Jai-Hyuk Hwang. "Optical Design of Satellite Camera for Lens Shifting Image Stabilization." Journal of Aerospace System Engineering 10, no. 4 (2016): 17–25. http://dx.doi.org/10.20910/jase.2016.10.4.17.

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Choi, Jae Seok, Jeonghoon Yoo, and No-Cheol Park. "Small form factor actuator design for camera phone lens systems." Microsystem Technologies 15, no. 10-11 (2009): 1489–97. http://dx.doi.org/10.1007/s00542-009-0795-4.

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Choi, Dong-Seok, Byung-Ho Ha, Bo-Sun Kang, and Ki-Hong Kim. "Design of Folded Telephoto Camera Lens System for Mobile Devices." Journal of Korean Ophthalmic Optics Society 29, no. 4 (2024): 221–25. https://doi.org/10.14479/jkoos.2024.29.4.221.

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Lin, Sheng-Feng, and Cheng-Huan Chen. "Optical Design of Compact Space Autonomous Docking Instrument with CMOS Image Sensor and All Radiation Resistant Lens Elements." Applied Sciences 10, no. 15 (2020): 5302. http://dx.doi.org/10.3390/app10155302.

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Built-in autonomous stereo vision devices play a critical role in the autonomous docking instruments of space vehicles. Traditional stereo cameras for space autonomous docking use charge-coupled device (CCD) image sensors, and it is difficult for the overall size to be reduced due to the size of the CCD. In addition, only the few outermost elements of the camera lens use radiation-resistant optical glass material. In this paper, a complementary metal–oxide semiconductor (CMOS) device is used as the image sensor, and radiation-resistant optical glass material is introduced to all lens elements

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Zakharenko, V. A., D. G. Lobov, A. G. Shkayev, and A. A. Valke. "Pyrometer with video monitoring of measurement area." Omsk Scientific Bulletin, no. 181 (2022): 73–77. http://dx.doi.org/10.25206/1813-8225-2022-181-73-77.

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A pyrometer with non-parallel sighting is developed, which allows simultaneously with temperature measurement to perform video surveillance of the control object. Pyrometer has optically connected lens, signal meter, thermostat in which radiation receiver is placed, and video camera. The front surface of the thermostat is polished, directed at an angle of 45 ° to the optical axis of the lens and has a hole that acts as a field diaphragm. Video camera is directed to polished surface of thermostat perpendicular to optical axis of lens. Pyrometer operation, its design and functional diagram are d

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Guo, Fei, Mei Zhao, Mai Yu Zhou, Ming Quan Yang, and Shan Shan Cong. "Apochromatic Collimator Objective Lens Design with Big Field of View." Advanced Materials Research 710 (June 2013): 413–18. http://dx.doi.org/10.4028/www.scientific.net/amr.710.413.

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Objective lens is the core part of a collimator, its quality has a direct impact on the collimators quality. Due to the small field of view and low image quality requirement, general collimator objective lens is difficult to achieve the requirement of testing an aerial camera s performance. So designing a large field of view, apochromatic collimator objective lens has an important practical significance. In this paper, the major qualifications were first proposed to design the collimator objective lens,according to which the initial configuration was confirmed. Then we used the ZEMAX optical d

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Tomić, Ivana, Igor Karlović, and Ivana Jurič. "Practical assessment of veiling glare in camera lens system." Journal of Graphic Engineering and Design 5, no. 2 (2014): 23–28. http://dx.doi.org/10.24867/jged-2014-2-023.

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Veiling glare can be defined as an unwanted or stray light in an optical system caused by internal reflections between elements of the camera lens. It leads to image fogging and degradation of both image density and contrast, diminishing its overall quality. Each lens is susceptible to veiling glare to some extent - sometimes it is negligible, but it most cases it leads to the visible defects in an image. Unlike the other flaws and errors, lens flare is not easy to correct. Hence, it is highly recommended to prevent it during the capturing phase, if possible. For some applications, it can also

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Lv, Sai Dong, Guo Hua Tang, Yao Wen Xia, and Ji Li Xie. "The Design and Implementaion of PTZ Control in Intelligent Video Surveillance." Applied Mechanics and Materials 347-350 (August 2013): 1961–64. http://dx.doi.org/10.4028/www.scientific.net/amm.347-350.1961.

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In the security monitoring system, in order to realize the multi-angle and different positions of the camera monitoring the camera monitoring, a pan tilt zoom (PTZ) module is used. This paper describes the PELCO-D protocol of PTZ and serial communication firstly. Then it achieves control the of PTZ and lens work based on Windows VC++. Finally, It discusses the main function of the system structure and coding.

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Zhang, Jiyan, Teng Qin, Zhexin Xie, et al. "Design of Airborne Large Aperture Infrared Optical System Based on Monocentric Lens." Sensors 22, no. 24 (2022): 9907. http://dx.doi.org/10.3390/s22249907.

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Conventional reconnaissance camera systems have been flown on manned aircraft, where the weight, size, and power requirements are not stringent. However, today, these parameters are important for unmanned aerial vehicles (UAVs). This article provides a solution to the design of airborne large aperture infrared optical systems, based on a monocentric lens that can meet the strict criteria of aerial reconnaissance UAVs for a wide field of view (FOV) and lightness of airborne electro-optical pod cameras. A monocentric lens has a curved image plane, consisting of an array of microsensors, which ca

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Sun, Wen-Shing, Yi-Hong Liu, and Chuen-Lin Tien. "Optical Design of a Miniaturized 10× Periscope Zoom Lens for Smartphones." Micromachines 14, no. 6 (2023): 1272. http://dx.doi.org/10.3390/mi14061272.

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The size of the optical zoom system is important in smartphone camera design, especially as it governs the thickness of the smartphone. We present the optical design of a miniaturized 10× periscope zoom lens for smartphones. To achieve the desired level of miniaturization, the conventional zoom lens can be replaced with a periscope zoom lens. In addition to this change in the optical design, the quality of the optical glass, which also affects the performance of the lens, must be considered. With advancements in the optical glass manufacturing process, aspheric lenses are becoming more widely

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Mooney, P. E., and O. L. Krivanek. "Image-coupling methods in CCD cameras for Electron Microscopy." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 406–7. http://dx.doi.org/10.1017/s0424820100169766.

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It is well established that the charge-coupled device (CCD) is the detector of choice in imaging applications requiring sensitivity, dynamic range, linearity and low geometric distortion. It has also been shown that in the electron microscope, indirect coupling of the image by a scintillator and transfer optic is required to prevent damage to the CCD and to allow for sufficient dynamic range. The question then follows how best to design the coupling to achieve the image quality required for digital imaging in electron microscopy.We have characterized slow-scan CCD cameras with three representa

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Kao, Szu-Pyng, Feng-Liang Wang, Jhih-Sian Lin, Jichiang Tsai, Yi-De Chu, and Pen-Shan Hung. "Bridge Crack Inspection Efficiency of an Unmanned Aerial Vehicle System with a Laser Ranging Module." Sensors 22, no. 12 (2022): 4469. http://dx.doi.org/10.3390/s22124469.

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In this study, an unmanned aerial vehicle (UAV) with a camera and laser ranging module was developed to inspect bridge cracks. Four laser ranging units were installed adjacent to the camera to measure the distance from the camera to the object to calculate the object’s projection plane and overcome the limitation of vertical photography. The image processing method was adopted to extract crack information and calculate crack sizes. The developed UAV was used in outdoor bridge crack inspection tests; for images taken at a distance of 2.5 m, we measured the crack length, and the error between th

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Wang, Siyu, Haiying Tian, and Changxiang Yan. "Design of the Space Camera Protection System during Launch Process." International Journal of Aerospace Engineering 2023 (October 12, 2023): 1–8. http://dx.doi.org/10.1155/2023/8827361.

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In order to improve the safety and reliability and maintain the stability of imaging quality when a space camera with a cargo spaceship is launched, a protection system for the space camera is designed. Firstly, according to the mechanical properties of the space camera, a working principle of the protection system is elaborated, and a model of the system is proposed. Secondly, a protective cover and a vibration isolation block are designed on the basis of shape, size, and requirements of the space camera. Thirdly, based on the finite element mesh, static and sinusoidal vibration simulation ca

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Tao, Kekai, Gaoge Lian, Yongshun Liu, et al. "Design and Integration of the Single-Lens Curved Multi-Focusing Compound Eye Camera." Micromachines 12, no. 3 (2021): 331. http://dx.doi.org/10.3390/mi12030331.

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Compared with a traditional optical system, the single-lens curved compound eye imaging system has superior optical performance, such as a large field of view (FOV), small size, and high portability. However, defocus and low resolution hinder the further development of single-lens curved compound eye imaging systems. In this study, the design of a nonuniform curved compound eye with multiple focal lengths was used to solve the defocus problem. A two-step gas-assisted process, which was combined with photolithography, soft photolithography, and ultraviolet curing, was proposed for fabricating t

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Yang, Ling Hui, Li Jun Wang, Hai Qing Liu, Yong Jie Ren, Jia Rui Lin, and Yin Guo. "Design and Calibration of Real-Time 3D Coordinate Measurement System Based on Multi-Angle Intersection and Cylindrical Imaging." Applied Mechanics and Materials 870 (September 2017): 147–52. http://dx.doi.org/10.4028/www.scientific.net/amm.870.147.

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This paper presents a high-resolution real-time 3D coordinate measurement system based on multi-angle intersection and cylindrical imaging. The measuring angle is detected by the linear camera equipped with cylindrical lenses, whose field of view is a 3D space rather than 2D plane. This camera has prominent advantages in precise coordinate measurement and dynamic position tracking due to the high resolution and outstanding frame rate of linear CCD. Each camera is a 1D angle measuring unit which confirms an angle thereby a plane passing through the light spot. With three cameras arrangement in

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