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This article demonstrates how to set up a PHP environment, use OpenCV and GD libraries to capture webcam video, apply various real-time image effects such as grayscale, Gaussian blur, contrast adjustments, edge detection, and implement keyboard-controlled effect switching, providing complete code examples.
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This tutorial explains how to use PHP with OpenCV and the GD library to capture webcam video, save each frame as a JPEG, and apply various real‑time image filters such as grayscale, Gaussian blur, contrast adjustments, and edge detection, including keyboard‑controlled filter switching.
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