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Ptychography is a computational imaging technique that reconstructs a sample image through overlapping diffraction measurements.
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10/30/2026
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UnverifiedThe PCPS (progressive coupled posterior sampling) method proposed in the paper was tested on real X-ray ptychography data, covering different scan overlap settings.69% similarUnverifiedPtychographic reconstruction is essentially a phase retrieval problem: the detector records the intensity of the diffraction pattern, the phase information is lost, and inversion must be performed computationally.64% similarUnverifiedThe photogrammetry processing workflow includes key steps such as feature extraction and matching (SfM), sparse point cloud generation, dense reconstruction (MVS), and meshing and texture mapping.64% similarUnverifiedImage processing is the process of transforming, enhancing, and analyzing images to extract useful information, and common operations include sharpening, grayscaling, blurring, and edge detection.64% similarUnverifiedPSNR measures pixel-level error between a reconstructed image and a reference image in decibels on a logarithmic scale, where a 1 dB improvement typically corresponds to a perceptible improvement in detail.62% similar
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