Tag Archives: video capture

Vision: a DirectShow machine vision engine

For the last few weeks, I’ve been working sporadically on a DirectShow reimplementation of the simple machine vision engine I wrote for my Robotics class. The original version used the old Video For Windows API, which is relatively simple, but … Continue reading

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Ultra-simple machine vision in C with RobotEyez

I use PGM image files a lot in my Engineering Computing class because the provide a really easy way for novice programmers to get started with image processing in C. This file format stores greyscale images in plain text and … Continue reading

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CommandCam – a DirectShow command line cam image grabber for Windows

EDIT (24-11-2011) : Since publishing this post, I have found myself making frequent updates to the CommandCam program, so I’ve created a dedicated page for it instead, with up-to-date information and download links. Get CommandCam here (binary download and source … Continue reading

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Changing the filename of a snapz output file

Reader Nathan Casselton asked about using my program, snapz.exe (described in a previous post), to capture multiple images using a sequence of numbered filenames (e.g. ‘1.dib’, ‘2.dib’, ‘3.dib’, etc.) It is possible to do something like this without modifying the … Continue reading

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multisnapz – command line image capture from multiple VFW cameras

EDIT (20-11-2011) : Since posting this, I have created a new DirectShow command line image grabber called CommandCam, which I recommend you use instead of multisnapz. Get CommandCam here (binary download and source code available). I’ve just tried modifying the … Continue reading

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A command line cam image grabber

EDIT (20-11-2011) : Since posting this, I have created a new DirectShow command line image grabber called CommandCam, which I recommend you use instead of this one. It’s also completely free. Get CommandCam here (binary download and source code available). … Continue reading

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