How do I crop an image using C#?
How do I crop an image using C#? 14 Answers 14
image-processing
What is the best java image processing library/approach? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 8 years ago. Improve this question I am using both the JAI media apis and ImageMagick? ImageMagick has some scalability issues and the JNI based … Read more
What is the best java image processing library/approach? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 8 years ago. Improve this question I am using both the JAI media apis and ImageMagick? ImageMagick has some scalability issues and the JNI based … Read more
Representing and solving a maze given an image
What is the best way to represent and solve a maze given an image? Given an JPEG image (as seen above), what’s the best way to read it in, parse it into some data structure and solve the maze? My first instinct is to read the image in pixel by pixel and store it in … Read more
Recommendation for compressing JPG files with ImageMagick
I want to compress a JPG image file with ImageMagick but can’t get much difference in size. By default the output size is bigger than the input. I don’t know why, but after adding some +profile options and setting down the quality I can get an smaller size but still similar to original. The input … Read more
How to detect a Christmas Tree?
Which image processing techniques could be used to implement an application that detects the Christmas trees displayed in the following images? I’m searching for solutions that are going to work on all these images. Therefore, approaches that require training haar cascade classifiers or template matching are not very interesting. I’m looking for something that can … Read more
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 I’m stuck trying to divide the paws into (anatomical) subregions. I made a 2D array of each paw, that consists of the maximal values for each sensor that has been loaded by the paw over … Read more
How do I find Waldo with Mathematica?
This was bugging me over the weekend: What is a good way to solve those Where’s Waldo? [‘Wally’ outside of North America] puzzles, using Mathematica (image-processing and other functionality)? Here is what I have so far, a function which reduces the visual complexity a little bit by dimming some of the non-red colors: whereIsWaldo[url_] := … Read more
Image Processing: Algorithm Improvement for ‘Coca-Cola Can’ Recognition
One of the most interesting projects I’ve worked on in the past couple of years was a project about image processing. The goal was to develop a system to be able to recognize Coca-Cola ‘cans’ (note that I’m stressing the word ‘cans’, you’ll see why in a minute). You can see a sample below, with … Read more
Finding white rectangle in an image
This is very rough, but successfully finds all the white pixels in the image, more checking can be done to ensure it is the size you want and everything is there but the basics are there. PS: I have not tested with your image. r and this.rc is picture size and p and this.px is … Read more
