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opencv

Open-source computer vision library (OpenCV)

ProgrammingFix Inaccurate OpenCV Template Matching in C++ Quickly

Why OpenCV template matching fails for C++ object detection and how to fix it: multi-scale, edge preprocessing, robust thresholds, or feature-based methods.

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ProgrammingPySide6 OpenCV: Full Camera Feed in QGraphicsView No Crop

Fix cropped OpenCV camera feed in PySide6 QGraphicsView. Set scene rect to pixmap bounds, call fitInView on resize, disable scrollbars, and use anchors for uncropped display with Qt.KeepAspectRatio.

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