I want to retrieve the bit depth for a jpeg file using Python. Using the Python Imaging Library: import Image data = Image.open('file.jpg') print data.depth However, this gives me a depth of 8 ...

I'm using pygame (1.9.0rc3, though this also happens in 1.8.1) to create a heatmap. To build the heatmap, I use a small, 24-bit 11x11px dot PNG image with a white background and a very low-opacity ...

In my C# (3.5) application I need to get the average color values for the red, green and blue channels of a bitmap. Preferably without using an external library. Can this be done? If so, how? Thank...

I have a scan of a document (a form actually) filled with some handwritten infos. I have a bitmap of the form empty. how can i "cancel" the printed form to extract the handwritting only. I use C...

I'm trying to set up a C# application which uses TWAIN example from code project This works fine except that I need to cast Form to IMessageFilter and call IMessageFilter.PreFilterMessage() to ca...

Group 3 compress has 2 variations (Group 3 1D and Group 3 2D). When saving an image in Tiff format, there is only one option for Group 3 in the EncoderValue enumeration. Is there a separate paramet...

I am creating images using PIL that contain numerous exactly placed text strings. My first attempt was to convert pixel fonts into the pil-compatible format as described here. For example, I downlo...

What do you recommend for quickly creating images for testing a software product (that needs hardware access - full USB port access)? Does virtualization cover this? I need to be able to quickly re...

That is the solution to make a negative from a image in C# Windows Forms without any dlls and in a effective, fast way?

Has anyone got to some good code to zoom into an image using javascript? I know I could just resize it etc but was being lazy and looking for something clever to zoom to different levels, move aro...