Linked Questions

31
votes
5answers
20k views

What are the best algorithms for document image thresholding in this example?

I'm trying to implement various binarization algorithms to the image shown: Here's the code: clc; clear; x=imread('n2.jpg'); %load original image % Now ...
11
votes
3answers
2k views

Most common modern day Image Segmentation techniques

I was doing some reading up on image segmentation techniques and I was wondering about modern day, state-of-the-art segmentation algorithms. What current segmentation techniques that are a 'must-read'...
10
votes
1answer
24k views

Adaptive Thresholding for liver segmentation using Matlab

I need to segment liver from an abdominal CT image using Adaptive Thresholding. But I get the entire foreground separated from the background alone. I need only the liver part of the foreground ...
5
votes
3answers
1k views

Different representations of images and their purpose

I'm doing a small overview of different image representations used in image processing and computer vision. For every representation, I would like to have (at least) the following information: the ...
4
votes
4answers
3k views

Detect lanes from a filtered image

I am working on lane detection system and I would like some suggestions from you as to how to detect lanes from a filtered image which I got after performing certain operations. Firstly, I should ...
4
votes
3answers
1k views

Resources for an introduction to computer vision

Does anyone have any suggestions on good resources or sites for learning about computer vision?
9
votes
3answers
1k views

Segmenting pills from the background

I just recently started out with Image processing and taken up a course related to it in Grad school. But I already have a project to do without too much information about the subject, however I've ...
4
votes
2answers
2k views

Recover myself from Dilate and Erode for noise reduction

i have obtained some skin detection map (i post below two example of detection map). but, i'm using a normal webcam and the map is noisy. Not a lot, just a bit. I think i can remove noise only with ...
3
votes
1answer
2k views

Barcode localization in difficult environments

I'm creating a program for localizing types of barcodes. (I know plenty exist, that's not the question :) ) I'm focusing for the time being on 1D barcodes. The difficulty I have is that the barcodes ...
0
votes
1answer
88 views

How to Enhance this finger print?

I am trying to extract finger print from this image by using green LED backlight but when it convert to binarize image most of finger print is gone. gray= green ...
0
votes
1answer
60 views

oilspill extraction [closed]

I want to extract the oilspill affected areas in SAR images using thresholding, where the affected area appears as darker than surroundings. Here I am attaching the code, where I am able to extract ...