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Cropping scanned answer sheets with a QR code as the anchor (Python + OpenCV)

I'm an elementary school teacher in Korea and I build small tools for my own grading. The slowest part was never the grading itself. It was sorting…

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A shipping label looked complete in a GLS parcel photograph. My capture loop asked for another photo with all four edges visible. The failure starte…

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The payload behind a "join this network" QR code is a single line of text: WIFI:T:WPA;S:cafe-wifi;P:p@ssw0rd;; Worth knowing up front: this is not a…

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Introduction Porting computer vision algorithms across frameworks—such as from Python with OpenCV to a niche image processing platform—inevitably ex…

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Testing Face Embedding Nearest Neighbor Search with OpenCV SFace Hello, everyone. Face recognition can sound like a big topic, but technically it ca…

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Здравствуй, читатель! Меня зовут Алексей Морозов, и в этой статье мы разберём полный путь по созданию автономного манипулятора, от выбора компоненто…

Как я случайно сделал утечку данных и решил задачу в пользу OpenCV. Задача — детекция основной надписи (штампа) на чертежах для оцифровки в BIM. Дан…

If you have ever used OpenCV.js in production, you already know the bug. A user uploads ten images in a row. The third one throws inside your blur s…

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