Thanks Christian, Here is the info: TIFF Directory at offset 0x8 (8) Subfile Type: (0 = 0x0) Image Width: 640 Image Length: 480 Bits/Sample: 32 Sample Format: IEEE floating point Compression Scheme: None Photometric Interpretation: min-is-black Samples/Pixel: 1 Rows/Strip: 480 Planar Configuration: single image plane ImageDescription: ImageJ=1.44f min=0.0 max=255.0
How can I use freeimage. Can I incorporate it with python? Any idea what do ImageJ or Matlab use. Don't they have a robust imaging toolbox. Unfortunately, I cannot afford Matlab and I am not good at Java programing to be able to implement ImageJ with numerical analysis software. Thanks much, gujax On Sep 26, 9:19 pm, Christian Heimes <li...@cheimes.de> wrote: > Am 27.09.2010 02:31, schrieb gujax: > > > Hi, > > I have read several related e-mails dating back as far as 2006. I am > > quite confused whether PIL can open tif images. Some posts seem to say > > there isn't yet any support for PIL while there are few posts where > > PIL has been able to open tif images. So I guess, I have to ask this > > probably trivial question again. I am just learning python and PIL. I > > have tiff images which are 8 bit and 16 bit gray scale images. I > > cannot open them. Here are the errors that I encounter. > > PIL only supports a limited subset of TIFF files. Several compression > algorithms like G3 and G4 fax compression are not supported yet. PIL may > have a problem with partly broken TIFF files, too. > > > I have no idea why this happens. > > I will appreciate a resolution. The file opens with ImageJ and > > ImageMagick. It is a 8-bit RGB file. I have associated default viewer > > to be ImageMagick. I am on Lucid Linux, and other programs such as F- > > spot and Gimp cannot open those files either. > > I don't yet know how to attach image files to the post so please bear > > with me till I figure that out. > > Can you please post the output of tiffinfo for the specific file? It may > give me a hint what's going wrong. > > There aren't a lot of good alternatives for image processing in Python. > I've evaluated most of them and decided to write my own one for my > employer. It's a Cython based library around FreeImage [1] and LCMS2 [2] > and works very well. So far we have processed several million TIFF files > with more than 100 TB of raw data smoothly. I've permission to release > the software as open source but haven't found time to do a proper release. > > Christian Heimes > > [1]http://freeimage.sourceforge.net/ > [2]http://www.littlecms.com/ -- http://mail.python.org/mailman/listinfo/python-list
