Top "Image-processing" questions

Anything related to digital image processing, i.e. the theory and the techniques used to extract or manipulate information from digital images.

Face recognition Library

I'm looking for a free face recognition library for a university project. I'm not looking for face detection. I'm looking …

image-processing computer-vision face-recognition
How to plot a 2D FFT in Matlab?

I am using fft2 to compute the Fourier Transform of a grayscale image in MATLAB. What is the common way …

matlab image-processing plot fft
Mean filter for smoothing images in Matlab

I need to test some basic image processing techniques in Matlab. I need to test and compare especially two types …

matlab image-processing filtering
How to scale a BufferedImage

Following the javadocs, I have tried to scale a BufferedImage without success here is my code: BufferedImage image = MatrixToImageWriter.getBufferedImage(…

java image image-processing bufferedimage image-scaling
OpenCV resize fails on large image with "error: (-215) ssize.area() > 0 in function cv::resize"

I'm using OpenCV 3.0.0 and Python 3.4.3 to process a very large RGB image (107162,79553,3). While I'm trying to resize it using the …

image opencv python-3.x image-processing opencv3.0
How do I increase the contrast of an image in Python OpenCV

I am new to Python OpenCV. I have read some documents and answers here but I am unable to figure …

python image opencv image-processing computer-vision
How to Apply Mask to Image in OpenCV?

I want to apply a binary mask to a color image. Please provide a basic code example with proper explanation …

c++ image image-processing opencv mask
Peak detection in a 2D array

I'm helping a veterinary clinic measuring pressure under a dogs paw. I use Python for my data analysis and now …

python image-processing
How can I measure the similarity between two images?

I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot …

algorithm language-agnostic image image-processing
How to copy a image region using opencv in python?

I am trying to implement a license plate recognition software using the ideas from http://iamabhik.wordpress.com/category/opencv/. …

python image opencv image-processing roi