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Human-Imperceptible Identification With Learnable Lensless Imaging
IEEE Access, 2023 Lensless imaging protects visual privacy by capturing heavily blurred images that are imperceptible for humans to recognize the subject but contain enough information for machines to infer information.
Thuong Nguyen Canh +2 more
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Photonics, 2022 An important imaging technique in biomedicine, the conventional optical microscopy relies on relatively complicated and bulky lens and alignment mechanics.
Hui Xie, Xueli Chen, Duofang Chen
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Super Field-of-View Lensless Camera by Coded Image Sensors
Sensors, 2019 A lensless camera is an ultra-thin computational-imaging system. Existing lensless cameras are based on the axial arrangement of an image sensor and a coding mask, and therefore, the back side of the image sensor cannot be captured.
Tomoya Nakamura +2 more
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Lensless Computational Imaging Technology Using Deep Convolutional Network
Sensors, 2020 Within the framework of Internet of Things or when constrained in limited space, lensless imaging technology provides effective imaging solutions with low cost and reduced size prototypes.
Xiuqin Su, Peidong Chen, Wenhua Zhu
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Lensless Camera: Unraveling the Breakthroughs and Prospects
Fundamental ResearchLensless imaging is an innovative and swiftly advancing technology at the intersection of optics, imaging technology, and computational science. It captures scene by directly recording the interference or diffraction patterns of light, subsequently ...
Shumei Chen +2 more
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High-Precision Lensless Microscope on a Chip Based on In-Line Holographic Imaging
Sensors, 2021 The lensless on-chip microscope is an emerging technology in the recent decade that can realize the imaging and analysis of biological samples with a wide field-of-view without huge optical devices and any lenses. Because of its small size, low cost, and
Xuefeng Xu, Xiwei Huang, Weipeng Xuan
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Lensless Image Restoration Based on Multi-Stage Deep Neural Networks and Pix2pix Architecture
Photonics, 2023 Lensless imaging represents a significant advancement in imaging technology, offering unique benefits over traditional optical systems due to its compact form factor, ideal for applications within the Internet of Things (IoT) ecosystem.
Muyuan Liu +4 more
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A Novel Approach for a Chip-Sized Scanning Optical Microscope
Micromachines, 2021 The recent advances in chip-size microscopy based on optical scanning with spatially resolved nano-illumination light sources are presented. This new straightforward technique takes advantage of the currently achieved miniaturization of LEDs in fully ...
Joan Canals +14 more
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Coded Illumination for 3D Lensless Imaging
IEEE Open Journal of Signal Processing, 2022 Mask-based lensless cameras offer a novel design for imaging systems by replacing the lens in a conventional camera with a layer of coded mask. Each pixel of the lensless camera encodes the information of the entire 3D scene.
Yucheng Zheng, M. Salman Asif
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Nature Communications, 2022 Lensless fibre endoscopes are minimally invasive, but are often rigid and require calibration and fluorescence labelling. Here, the authors present a flexible endoscope based on a bare fibre bundle and a lensless Fourier holographic imaging configuration
Wonjun Choi +7 more
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