Top "Imaging" questions

Anything related to digital imaging, i.e. the theory, the technology and the techniques about acquiring, representing, processing and rendering digital images.

Easiest way of saving wpf Image control to a file

I have a Image control inside my wpf application, which has a large image inside of it, but the control …

wpf save imaging
Image.FromStream: Parameter not valid

I am trying to create an image from a byte array. The byte array is created by a fingerprint scanner (…

.net imaging
add local image file in R presentation

I'm trying to include one imaging file (.png) using R markdown for R presentation. I followed the suggestion from: How …

r markdown local imaging presentation
Generate image file with low bit depths?

bpp = bits per pixel, so 32bpp means 8/8/8/8 for R/G/B/A. Like .NET has an enum for these "System.…

c# vb.net bitmap imaging
Graphics.Drawstring looks nice in PictureBox but horrible in a Bitmap

I am trying to use DrawString to write text as an image and then rotate it 90 degrees. It works fine …

vb.net graphics imaging drawstring
How do you convert a byte array to a Bitmap instance (.NET)?

I am working with cameras (in this case monochrome) in VB.NET. The API of the cameras is in C++ …

.net vb.net imaging
How can I draw a bezier curve using Python's PIL?

I'm using Python's Imaging Library and I would like to draw some bezier curves. I guess I could calculate pixel …

python python-imaging-library bezier imaging
"IOError: decoder zip not available" : Ubuntu Python PIL

I am trying to get the sample heatmap.py running from: http://jjguy.com/heatmap/ #image.py import heatmap import …

python python-imaging-library imaging
How can I get the depth of a jpg file?

I want to retrieve the bit depth for a jpeg file using Python. Using the Python Imaging Library: import Image …

python jpeg imaging
Imaging Question: How to determine image quality?

I'm looking for ways to determine the quality of a photography (jpg). The first thing that came into my mind …

graphics analysis jpeg imaging