image-segmentation Questions
1
Solved
I'm trying to fill holes in the below image.
When I use SciPy's binary_fill_holes(), I am generally successful, with the exception of objects that touch the image's border.
Are there any ex...
Cashmere asked 10/3, 2014 at 20:21
2
Solved
I am having trouble achieving the correct segmentation of a grayscale image:
The ground truth, i.e. what I would like the segmentation to look like, is this:
I am most interested in the three...
Predilection asked 15/11, 2012 at 17:32
2
Solved
I am trying to detect corners (x/y coordinates) in 2D scatter vectors of data.
The data is from a laser rangefinder and our current platform uses Matlab (though standalone programs/libs are an opt...
Fillmore asked 1/12, 2013 at 20:21
1
What is a good method to segment characters that are united as in the following figure, knowing that:
characters have this font, but the font size varies based on the image size
only isolated gro...
Anhydrous asked 25/11, 2013 at 13:17
1
Solved
Let us consider an image Y of size 512x512.
The code below serves to segment the image Y into blocks where each block take the size 8x8.
Matlab Code:
for m = 1:64
for n = 1:64
subX = Y(8*(m-1)...
Shadowgraph asked 20/11, 2013 at 23:29
3
Solved
What are the sequence of filters I should put if I want the final image to be more clearer with a digital type look. I mean only two distinct colors, one for the board and one for the chalk writing...
Yvetteyvon asked 13/11, 2013 at 17:48
3
I have trained a classifier in Python for classifying pixels in an image of cells as edge or non edge. I've used it successfully on a few image datasets but am running into problems with this...
Fencing asked 24/9, 2013 at 4:24
2
Solved
Could anyone please help me understand how Mean Shift segmentation actually works?
Here is a 8x8 matrix that I just made up
103 103 103 103 103 103 106 104
103 147 147 153 147 156 153 104
1...
Fanni asked 28/1, 2011 at 18:36
3
Background:
I am working on a bottom up approach to image segmentation where in I first over-segment the image into small-regions/super-pixels/super-voxels and then I want to iteratively merge adj...
Urochrome asked 20/6, 2013 at 17:14
2
Solved
I am working on a project that requires me to:
Look at images that contain relatively well-defined objects, e.g.
and pick out the color of n-most (it's generic, could be 1,2,3, etc...) prominen...
Popinjay asked 4/3, 2013 at 16:16
1
Solved
OpenCV version 2.4.5 offers several different implementations that can be used for tracking moving objects that use statistical methods to estimate background. OpenCV has BackgroundSubtractorMOG, B...
Cruise asked 22/4, 2013 at 21:47
1
Solved
I have x-ray image of a hand. I need to extract bones automatically. I can easily segmentate a hand using different techniques. But I need to get bones and using those techniques don't help. Some o...
Jollity asked 30/3, 2013 at 12:3
2
Solved
I've been working on a project for some time, to detect and track (moving) vehicles in video captured from UAV's, currently I am using an SVM trained on bag-of-feature representations of local feat...
Knuth asked 13/3, 2013 at 17:25
1
Solved
I've read the documentation for calcHist() many times, but I think my inexperience with OpenCV and rusty programming skills are completely precluding me from understanding it.
I'm looking to coun...
Rosewood asked 4/3, 2013 at 21:22
1
Ok, so I have a histogram (represented by an array of ints), and I'm looking for the best way to find local maxima and minima. Each histogram should have 3 peaks, one of them (the first one) probab...
Arman asked 4/12, 2012 at 1:3
2
Is there an implementation for the split and merge method of image segmentation?
any advice would be much appreciated.
Niccolite asked 13/8, 2011 at 11:34
3
Solved
How can I segment if the characters are connected? I just tried using watershed with distance transform (http://opencv-code.com/tutorials/count-and-segment-overlapping-objects-with-watershed-and-di...
Rendering asked 8/1, 2013 at 9:1
2
Solved
I am using python and PIL to find the centroid and rotation of various rectangles (and squares) in a 640x480 image, similar to this one
So far my code works for a single rectangle in an image.
...
Shirt asked 10/1, 2013 at 16:50
2
Solved
The problem
I've been building a (very) simple OCR engine.
Since I'm trying to classify very small (pixel size) characters, I'm having some difficulties on segmentation. Here's an example, after b...
Rattish asked 22/12, 2012 at 4:36
0
I work on image processing. I just saw the quick selection tool of photoshop and I was quite impressed to see that this tool was capable to segment images along real edges, most of the time. ...
Heigl asked 11/12, 2012 at 10:9
3
Solved
for a project I want to implement a color-clustering algorithm, which replace similar colors with the average color of a cluster.
For now, I use the kmeans-algorithm to cluster the whole image . B...
Attalanta asked 28/11, 2012 at 20:10
1
Solved
I am working on some scanned text images and I need to highlight all the words in that image.I know the problem is equivalent to finding subimages with extra whitespaces around them.
OCR can...
Forgive asked 6/10, 2012 at 23:0
1
Solved
I'm trying to detect contiguous areas of close-enough colors in Python. I independently stumbled across the 8-way recursive flood fill algorithm (terminating when the Euclidian distance between the...
Abyssinia asked 29/8, 2012 at 21:24
5
Solved
Im trying to extract (not recognize!) characters from a black & white image, so if the image is 123,
i get an array of 3 images,
its a duplicate question, i know, but i couldnt find what i wan...
Condescension asked 18/2, 2012 at 15:4
1
Solved
Often in the process of OCR, an image file is essentially cut into segments, and each character is recgnised as a segment each.
For instance,
has to be transformed to something like
Also, is t...
Aracelis asked 9/6, 2012 at 20:7
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