* Max <[email protected]> [2017-11-20 12:38]: > On 2017년 11월 19일 23:06, Peter P. wrote: > > (replying to myself below) > > > > * Peter P. <[email protected]> [2017-11-19 22:43]: > > > Hi list, > > > > > > I am trying to understand the coordinates I am getting from pix_blob. > > > Example patch 03.movement_detection.pd assumes them to be normalized > > > from 0-1. In my patch the values from pix_blob can easily become > > > negative or go outside of the 0-1 range. This is especially the case > > > when the blobs detected should become very large. Has anyone else > > > discovered this? > > > > This is on Debian testing with Gem 0.93.3 from the Debian package. I > > tested the same patch on OS X and there pix_blob does output in the 0-1 > > range reliably. > > > are the coordinates or the blobsize exceeding the 0-1 for you? Yes, they do whenever the blob is getting very big or when the detection seems confused due to a large area of the image being "active". > For me the y axis is flipped for this patch. You mean in 03.movement_detection.pd? Yes, I discovered this as well.
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