While generating the videograms of Bergensbanen, I discovered that Max/Jitter cannot export images from matrices that are larger than 32767 pixels wide/tall. This is still fairly large, but if I was going to generate a videogram with one pixel stripe per frame in the video, I would need to create an image file that is 1 302 [...]
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While on paternity leave, I (finally) have time to do small projects that require little brain activity and lots of computation time. One of the things I have wanted to do for a long time is to create a videogram of Bergensbanen (which I briefly mentioned last year). This was a project undertaken by the Norwegian [...]
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For some upcoming blog posts on videograms, I will start by explaining the difference between a motiongram and a videogram. Both are temporal (image) representations of video content (as explained here), and are produced almost in the same way. The difference is that videograms start with the regular video image, and motiongrams start with a [...]
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I just heard a talk called “Real-Time Synaesthetic Sonification of Traveling Landscapes” (PDF) by Tim Pohle and Peter Knees from the Department of Computational Perception (great name!) in Linz. They have made an application creating music from a moving video camera. The implementation is based on grabbing a one pixel wide column from the video, [...]
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