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compressive sensing News
Image Recovery Method Improves Compressive Sensing, Phase Retrieval
LIVERMORE, Calif., Feb. 8, 2021 — Research from Lawrence Livermore National Laboratory (LLNL) has yielded a method of compressive image recovery that is trained on patches of images, rather than full-size images. The method, called GPP (generative patch prior), is able to recover a...
Lensless Camera Uses Fresnel Zone Aperture, Incoherent Illumination to Improve Images
BEIJING, June 1, 2020 — To reduce noise in a thin, lensless camera, researchers at Tsinghua University and MIT built an imaging system with a Fresnel zone aperture (FZA). In addition to introducing a Fresnel optical element into the camera, the researchers used a...
Compressive Sensing Techniques Speed 2-Photon Microscopy
HONG KONG, Sept. 16, 2019 — To enhance the imaging speed of two-photon microscopy without compromising resolution, researchers from The Chinese University of Hong Kong combined compressive imaging techniques with a multifocus laser illumination method that uses a digital...
Subwavelength THz Could Improve Image Resolution, Accelerate Imaging Speed
EXETER, England, Sept. 5, 2017 — A terahertz (THz) imaging technique that is compatible with adaptive and compressive sensing algorithms has been developed and has demonstrated image reconstruction at highly subwavelength dimensions. Using a near-field approach to THz imaging,...
Single-Photodiode Camera Research to be Presented
HOUSTON, Oct. 3, 2006 -- Using new mathematics and a silicon chip covered with hundreds of thousands of bacterium-sized mirrors, engineers have designed a time-multiplexed camera that takes high-resolution images with a single photodiode. The research, which could prove...
Single-Pixel Camera Takes High-Resolution Images
HOUSTON, Oct. 3, 2006 -- Using new mathematics and a silicon chip covered with hundreds of thousands of bacterium-sized mirrors, engineers have designed a time-multiplexed camera that takes high-resolution images with a single photodiode. The research, which could prove...
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April 2024
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