Re: [Image-SIG] experimental data diagram digitalization

2010-11-30 Thread Andrew Hawryluk
Unless you need to batch-process dozens of diagrams, you will probably be better off using an existing utility. While it's not as good as getting original data, it's better than guessing all of the numbers by eye. http://digitizer.sourceforge.net/ http://plotdigitizer.sourceforge.net/ Good luck

[Image-SIG] performance of pixel by pixel processing

2010-11-30 Thread Maxime demers
Good day everyone, I would like to have your suggestions about how it could be possible to improve process speed of my following script. The aim of the script is to scan each pixel of an image, and to look its validity with its neighborhood. I use a function that return the values of mask of 9x

[Image-SIG] Python Image Library problems with Tiff file using JPEG compression

2010-11-30 Thread Leydon, Gary
I've got PIL 1.1.7, Python 2.6.6, Libtif, libjpg, etc. Mac OS X 10.6.5. I've got some Tiff files with JPG compression , if I do import Image im = Image.open('myfile.tif') im.info['compression'] 'jpeg' im.show() I get the proper image but the colors are not remotely correct. If I first do from

Re: [Image-SIG] experimental data diagram digitalization

2010-11-30 Thread Maxime demers
Hello Tomislav for the part 1-3 you can use PIL, for the part 4, you should also use numpy to convert your image into a flat list. Sorry, I cant help you for the points 5 and 6. Keep us in touch with your project Maxime > Date: Fri, 26 Nov 2010 11:45:09 +0100 > From: tomislav.ma...@gmx.com