Image Processing and Analysis in Guile
a Computer Vision functional programming library
Adding an optional #:key (val 255.0), since we need to be able to normalize to specific values in some circumstances, such as, for example, to normalize gray level co-occurrence matrices.
The arguments order has been changed for 'vector proc default' not 'proc default vector', because it is the order we use in im-reduce and im-reduce-channel - as [almost] all other im-* procedures or methods take an image as their first argument. As a user, it is also a bit more naturel, imo at least, to 'reduce image using proc, return default if the image is empty'.
All linear algebra matrix methods now accept any number of images or channels. Note that due to the inherent checks between lines and columns of intermediate results, im-multiply-channel and im-divide-channel methods arguments must be a series of at least one tuple(s) composed of three values - channel width height - represented in the manual as: c1 w1 h1 c2 w2 h2 c3 w3 h3 …
Updated so its interface is 'identical' to im-map and friends, and a typical call now looks like: im-collect what i1 i2 i3 … (instead of im-collect images what).
the width and height of the result normalized image were inadvertently inverted, now fixed.
the sub results were inadvertently using 'n' instead of 'p' to compute their destination position in the 'n x p' cells returned result f32vector, now fixed.
This is the first public release of Guile-CV, earlier releases were made available to GNU evaluators and Savannah hackers only.
packages: inputenc, fontenc, lmodern, xcolor, booktabs, siunitx, iwona
The GNU evaluation of Guile-CV has been completed on March the 11th, 2017, but due to backlog, we've been informed then that its approval step would take another five weeks, so we decided to upload it on Savannah non gnu in the mean time, done!
A couple of months ago, we started to work on Guile-CV, a Computer Vision functional library for the Guile Scheme language, and now is the right time for it to be evaluated to be part of the GNU Project.