subpixel-accuracy

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vhmaadhav / semicon-driftsense

Locate a high-resolution reference patch inside a low-resolution SEM search frame under unknown zoom (8-12x), unknown rotation (+/-5 deg) and possible absence. Applied Materials Drift-Sense, SEMICON India 2026 Phase 2.

opencv template-matching computer-vision deep-learning pytorch image-registration semiconductor pose-estimation metrology synthetic-data subpixel-accuracy sem-imaging

Updated Sep 4, 2026
Python

Khushishah224 / VisionMetrix

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VisionMetrix is a computer vision platform that measures real-world objects using a standard A4 sheet as a reference plane. It converts pixel distances into millimeters through perspective correction, homography transforms, sub-pixel corner refinement, and rotation-invariant dimensioning for accurate planar measurement.

opencv computer-vision geometry image-processing full-stack calibration pca edge-detection homography contour-detection perspective-correction measurement-tool object-measurement real-world-measurement planar-measurement subpixel-accuracy

Updated Feb 28, 2026
JavaScript

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