Academic literature on the topic 'Lens-free imaging'

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Journal articles on the topic "Lens-free imaging"

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Tao, Hua, Suhas P. Veetil, Xingchen Pan, Cheng Liu, and Jianqiang Zhu. "Lens-free coherent modulation imaging with collimated illumination." Chinese Optics Letters 14, no. 7 (2016): 071203. http://dx.doi.org/10.3788/col201614.071203.

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Kim, Sang Bok, Hojae Bae, Kyo-in Koo, Mehmet R. Dokmeci, Aydogan Ozcan, and Ali Khademhosseini. "Lens-Free Imaging for Biological Applications." Journal of Laboratory Automation 17, no. 1 (2012): 43–49. http://dx.doi.org/10.1177/2211068211426695.

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Bao, Rui, Chunhui Cui, Shuda Yu, Huafu Mai, Xiaoda Gong, and Mao Ye. "Polarizer-free imaging of liquid crystal lens." Optics Express 22, no. 16 (2014): 19824. http://dx.doi.org/10.1364/oe.22.019824.

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Yazhou Wang, Yazhou Wang, Qionghua Wang Qionghua Wang, Dahai Li Dahai Li, Huan Deng Huan Deng, and Chenggao Luo Chenggao Luo. "Crosstalk-free integral imaging display based on double plano-convex micro-lens array." Chinese Optics Letters 11, no. 6 (2013): 061101–61104. http://dx.doi.org/10.3788/col201311.061101.

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Huang, Chih-Yuan, Hung-Shiue Chen, Chih-Yuan Liu, Chin-Han Chen, and D. J. Han. "Lens-free phase shifting imaging for cold atoms." Journal of the Optical Society of America B 31, no. 1 (2013): 87. http://dx.doi.org/10.1364/josab.31.000087.

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Zhang Chao, 张超, 邢涛 Xing Tao, 刘紫珍 Liu Zizhen, et al. "Lens-Free Imaging Method Based on Generative Adversarial Networks." Acta Optica Sinica 40, no. 16 (2020): 1611003. http://dx.doi.org/10.3788/aos202040.1611003.

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Ge, Zhou, Pei Zhang, Yizhao Gao, Hayden K. H. So, and Edmund Y. Lam. "Lens-free motion analysis via neuromorphic laser speckle imaging." Optics Express 30, no. 2 (2022): 2206. http://dx.doi.org/10.1364/oe.444948.

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Stürzl, W., D. Soccol, J. Zeil, N. Boeddeker, and M. V. Srinivasan. "Rugged, obstruction-free, mirror-lens combination for panoramic imaging." Applied Optics 47, no. 32 (2008): 6070. http://dx.doi.org/10.1364/ao.47.006070.

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Guo, Jinhong, Xiwei Huang, Dongyuan Shi, et al. "Portable resistive pulse-activated lens-free cell imaging system." RSC Adv. 4, no. 99 (2014): 56342–45. http://dx.doi.org/10.1039/c4ra10481a.

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Colle, Frederik, Dries Vercruysse, Sara Peeters, et al. "Lens-free imaging of magnetic particles in DNA assays." Lab on a Chip 13, no. 21 (2013): 4257. http://dx.doi.org/10.1039/c3lc50707f.

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Dissertations / Theses on the topic "Lens-free imaging"

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Aksoylar, Aydan. "Modeling and model-aware signal processing methods for enhancement of optical systems." Thesis, 2016. https://hdl.handle.net/2144/19504.

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Theoretical and numerical modeling of optical systems are increasingly being utilized in a wide range of areas in physics and engineering for characterizing and improving existing systems or developing new methods. This dissertation focuses on determining and improving the performance of imaging and non-imaging optical systems through modeling and developing model-aware enhancement methods. We evaluate the performance, demonstrate enhancements in terms of resolution and light collection efficiency, and improve the capabilities of the systems through changes to the system design and through pos
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Yen-JenChang and 張延任. "Fabrication of Free Disclination Line Liquid Crystal Lens Arrays via Extra Dielectric Layers in Asymmetric Homogeneous Cells and Their Performance in Integral Imaging System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/55433228412967281410.

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碩士<br>國立成功大學<br>光電科學與工程學系<br>104<br>In this thesis, a few ways used to fabricate liquid crystal lens arrays without disclination line issues are investigated. Simultaneously, free disclination line liquid crystal lens arrays are demonstrated their optical performance in integral imaging system. Comparing experimental results for preventing disclination line occurrence among the executed ways, a fabrication way with an extra dielectric layer in asymmetric homogeneous cells is an optimal choice to successfully fabricate free disclination line LC lens arrays. The completed LC lens array shows its
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Book chapters on the topic "Lens-free imaging"

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Wang, Zhenglin, and Ivan Lee. "Interleaving and Sparse Random Coded Aperture for Lens-Free Visible Imaging." In Advances in Intelligent Systems and Computing. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07773-4_25.

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Haeffele, Benjamin D., Christian Pick, Ziduo Lin, Evelien Mathieu, Stuart C. Ray, and René Vidal. "An Optical Model of Whole Blood for Detecting Platelets in Lens-Free Images." In Simulation and Synthesis in Medical Imaging. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32778-1_15.

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Lee, Jiwon, Joo Hyoung Kim, Vladimir Pejovic, et al. "VIS–SWIR Wideband Lens-Free Microscopic Imaging." In Short-Wavelength Infrared Windows for Biomedical Applications. SPIE, 2021. http://dx.doi.org/10.1117/3.2604326.ch6.

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Khadamy, Joobin. "Anterior Segment Optical Coherence Tomography in Uveitis: Current Applications and Future Directions." In Uveitis in the Clinic - Current Approaches and Future Directions in Diagnosis, Treatment, and Patient Care [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1010717.

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Anterior segment optical coherence tomography (AS-OCT) is a non-invasive imaging modality providing high-resolution images of anterior ocular structures, aiding morphological assessments and biomarker identification in uveitis management. This chapter examines AS-OCT’s clinical and investigational roles in uveitis, detailing its utility in detecting subtle corneal changes, keratic precipitate (KP) morphology, anterior chamber cells, and iris structural alterations. AS-OCT facilitates longitudinal monitoring of anterior uveal inflammation, mirroring histopathological changes in vivo. It disting
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Marks II, Robert J. "Introduction." In Handbook of Fourier Analysis & Its Applications. Oxford University Press, 2009. http://dx.doi.org/10.1093/oso/9780195335927.003.0006.

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Jean Baptiste Joseph Fourier’s powerful idea of decomposition of a signal into sinusoidal components has found application in almost every engineering and science field. An incomplete list includes acoustics [1497], array imaging [1304], audio [1290], biology [826], biomedical engineering [1109], chemistry [438, 925], chromatography [1481], communications engineering [968], control theory [764], crystallography [316, 498, 499, 716], electromagnetics [250], imaging [151], image processing [1239] including segmentation [1448], nuclear magnetic resonance (NMR) [436, 1009], optics [492, 514, 517,
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Conference papers on the topic "Lens-free imaging"

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Maruvada, Teja, Taylor L. Bobrow, Stuart C. Ray, and Nicholas J. Durr. "Towards real-time on-catheter biofluid analysis with lens-free imaging." In Quantitative Phase Imaging XI, edited by YongKeun Park and Yang Liu. SPIE, 2025. https://doi.org/10.1117/12.3044008.

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Zhang, Jialin, Yang Ying, and Zhenguo Wang. "An auto-focusing method for wide-spectral-illumination lens-free imaging." In Holography, Diffractive Optics, and Applications XIV, edited by Changhe Zhou, Liangcai Cao, Ting-Chung Poon, and Hiroshi Yoshikawa. SPIE, 2024. http://dx.doi.org/10.1117/12.3035895.

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Latifi, Seyed Mostafa, Shao-Hsuan Wu, Yiyao Zhang, and Shang-Hua Yang. "3D Printed Hybrid Diffuser-Lens towards Compact Speckle-free Sub-THz Imaging." In 2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2024. http://dx.doi.org/10.1109/irmmw-thz60956.2024.10697621.

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Choi, Kang, Sanghoon Shin, Hyungsik Kim, et al. "Lens-Free Shadow Imaging-Based Cell Classification with Deep Learning for Improved CDC Crossmatching." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10785160.

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Vanuytsel, Steven, Quentin Desmeth, Victor Garcia-Munoz, et al. "Lens-free photonic integrated circuit for sub-diffraction resolution and large field-of-view fluorescence imaging." In High-Throughput Biophotonics: Imaging, Spectroscopy, and Beyond X, edited by Keisuke Goda and Kevin K. Tsia. SPIE, 2025. https://doi.org/10.1117/12.3043103.

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Jang, Hyeji, Hojin Cheon, Sanghoon Shin, et al. "Investigation ofNK Cell Activity in Healthy and Immunocompromised Individuals Using Lens-Free Shadow Imaging Technology." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10784960.

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Kim, Hyungsik, Sanghoon Shin, Huijin Rim, et al. "Rapid and Field Portable Water Quality Monitoring Using Lens-Free Shadow Imaging Technology and Machine Learning." In 2024 IEEE SENSORS. IEEE, 2024. https://doi.org/10.1109/sensors60989.2024.10784770.

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Dallio, Matthias, Stefan Bernet, and Alexander Jesacher. "Diffractive remote focusing module for high-NA scanning microscopy operating at Galvo speeds." In Novel Techniques in Microscopy. Optica Publishing Group, 2025. https://doi.org/10.1364/ntm.2025.nm3c.5.

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We present a remote axial scanning system for high numerical aperture optical microscopy. The remote focusing module uses a pair of diffractive optical elements (DOEs) forming a moiré lens. The radial phase profile of the wavefronts generated by the DOEs matches that of the free-space propagator. Therefore, the axially shifted focus remains compact over a large refocusing range. The focal length of the moiré lens is controlled by rotating the DOEs relative to each other using a galvanometric actuator, allowing axial scan speeds of several 100 Hz. The system is demonstrated in a fast confocal s
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Liu, Junze, Lloyd Lobo, Hang Yang, et al. "Extended OCT depth range and phase stability using ultrasonically-sculpted optical waveguides." In CLEO: Applications and Technology. Optica Publishing Group, 2024. https://doi.org/10.1364/cleo_at.2024.jtu2a.187.

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Optical coherence tomography (OCT) can provide label-free cross-sectional imaging of tissue microstructure over 2-3 mm of depth with micron-scale resolution. While phase-based functional extensions including angiography and polarization-sensitive OCT greatly expand the utility of OCT, the fixed lenses typically used to focus light into a sample couples the lateral resolution with the depth of focus. Ultrasonically-sculpted virtual optical waveguides provides an alternative for the terminal focusing element in an OCT sample arm. Ultrasonic pressure applied to a medium modulates its refractive i
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Lin, Ziduo, Abdulkadir Yurt, Geert Vanmeerbeeck, et al. "VIS-SWIR wideband lens-free imaging." In Optics and Biophotonics in Low-Resource Settings VII, edited by David Levitz and Aydogan Ozcan. SPIE, 2021. http://dx.doi.org/10.1117/12.2578857.

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