image-segmentation refers to the process of partitioning a digital image into multiple segments, typically to locate objects and boundaries.

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Bhattacharyya distance for image segmentation explanation

I have a question need some your suggestion. I spent 2 months to resolve that problem but the result is not so good. Hence, I would like ask you some thing about my implementation. My goal is that I ...
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13 views

Texture segmentation [closed]

I would like to ask you something about texture segmentation. Please give me some common method to segment texture image and what is basic idea of texure segmentation?
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1answer
74 views

O(1) peak segmentation algorithm in matlab?

I have an intensity image, similar to the image below. I would like to very quickly, segment this image, into separate peaks. Where each peak is labelled, and segmented. A notional segmentation of ...
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12 views

Binary classification of grayscale image with little texture

I want to carry out a binary classification/segmentation on a grayscale image with very little texture. The only prior knowledge that's supposed to be available is that the object of interest is ...
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1answer
37 views

Image Segmentation applications

I wanna experiment k-means clustering method on different kind of images, so I am trying to find different kind of images used in image segmentation such as MRI images.I want to gather some more ...
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Steered Hermite Filter

if using Gabor filter with different scale and orientation, can remove the buildings edges, I believe Steerability of Hermite Kernel will also give the same result. I need opinions on this..?
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42 views

2D-otsu algorithm in Digital image processing

I'm working on image project using Matlab & I heard about 2D-otsu algorithm as effective segmentation with low SNR and low contrast images, but I can't find enough information about it or how to ...
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46 views

Ways to find three curves from palm image

I am asked to extract three curves from palm images. original image expected result. The curves has lower intensity than ...
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23 views

segmentation: how can I improve it?

I have written code which identifies the direction of arrow .I have used split and merge technique for segmentation ,It is sometimes stupid and I know that it is because of my predicate function which ...
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41 views

Feature selection of Gabor filter

I am working with Gabor filter with level set method here. As you known, gabor filter gave many filter output. Some of them is not necessary. Could you suggest to me some method that can choose best ...
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17 views

Problem in openCV casade classifier

I am trying to train cascade classifier using "opencv_traincascade" utility. I'm having 100 positive images and 500 negative images. I have created .vec file using following command: ...
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24 views

Best method for texture classfication

I am working in medical and nature images processing . I want to find a popular method to segment texture image. Could you suggest a popular method to do it? For example: Gabor filter, tensor...
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21 views

Extract notices from Newspaper

Here are my test image: and a result image: I used a simple thresholding, canny edge detection and contour method to get that region. However, some portions of the newspaper are being clipped. ...
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1answer
53 views

Comparison between average kernel and gaussian kernel?

In image processing, we have two kinds of major kernels that are average kernel and gaussian kernel. For image segmentation, which is difference between average kernel and gaussian kernel? I found ...
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48 views

How to detect a inhomogeneity region in image

I have an image that includes object and background. However, the object appears some inhomogeneity region due to illumination. My work is that how to detect inhomogeneity region. Which is feature can ...
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20 views

State of the art post processing techniques for segmented images

I've been working on grabcut-based approaches to human segmentation in images. I've combined colour, motion and face detection cues to provide some seeds and perform a grabcut. While the results have ...
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42 views

Visual regression test - Extract elements of GUI-Screenshot - MSER OpenCV

For a visual regression test I need to compare screenshots of webpages (different release-versions). I started with pixel by pixel compare. Actually I split the screenshot in different parts (maybe ...
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1answer
35 views

how to visualize image segmentation using matlab

After clustering in image, I want to visualize the result. To do so, I first reshape an RGB image to 3*size. The result of BSMC is the set of indices after clustering. So I change the value at the ...
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36 views

What is purpose of correlation kernel? IIs it high pass filter or low pass filter?

I am research about correlation kernel and I have some questions that need your help. Let see the pp. 3302-3303 in the paper: Changyang Li, et al., Robust Model for Segmenting Images With/Without ...
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1answer
33 views

How to generate an image with certain clusters using K means clustering in CIE a*b domain?

I am working on building detection from aerial images using Image Processing in MATLAB. I am doing an image segmentation based on the local homogeneity of image. I want to apply K means clustering ...
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2answers
79 views

CIELAB Color Clustering

I am trying to understand if there is an inherent advantage to using CIELAB for color-based segmentation. I segmented the cytoplasm from the image above, where the left image below is from RGB ...
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1answer
51 views

How to do Finger Tracking which is occluded by an object?

Basically I want the hand gesture recognition even when I have an object in hand by using a camera (MS Kinect) in front. My fingers are not visible directly to the camera due to the object. For ...
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32 views

State of the art in pose estimation for human segmentation from video

I'm currently working on accurate segmentation of a human from his background in video. Most of the popular approaches I've some across formulate the segmentation as an energy minimization problem, ...
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1answer
67 views

How do we distinguish between Image Recognition,Detection and Segmentation?

I am reading image processing book.while reading i am getting terms like image detection,image recognition and image segmentation. it seems that all above terms are one and the same.i am totally ...
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1answer
58 views

1D first-order derivative mask

I'm currently reading about segmentation, and have come across finding edges in an image. I then have this image: Now, I understand how the mask used for the second-derivative works, and give the ...
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1answer
105 views

Detecting the Prescence of a “Tail”

I have a set of objects, which may be spherical or elongated, which may or may not have a tail like structure attached to one or two ends. The tail may be long or short. It may also have a curve to ...
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2answers
102 views

How can I go forward with this image processing task?

0 down vote favorite I am totally new to Image processing. I just started my Master thesis in the area of Computer vision and Machine learning. My background is Informatics. Now, my first task is to ...
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1answer
80 views

What is the Difference between Texture and Image?

I am beginner in the image processing I want to know what is difference between Texture and Image? or whether they are same? can anyone explain it. Also,if i want to do texture segmentation,can i ...
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28 views

What is weakness of entropy image

I often see that entropy is used in image segmentation area. Hence, I have a question about entropy. What is weakness of entropy image. Which case is fail when apply entropy image? Thank you so much
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1answer
44 views

Thresholding a difference image with a very high kurtosis

I have an difference image produced by substracting two images of a certain location taken a two different time steps. The resulting image of this operation shows a histogram with a very large peak ...
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1answer
72 views

Dynamic Textures

i know that texture refers to surface characteristics and appearance of an object given by the size, shape, density, arrangement, proportion of its elementary parts. But i am more interested in ...
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38 views

What are the various techniques for detecting Walls in the Building(Architectural) floor plan Images?

I have to process building floor plan images to extract Walls from the structure. It is trivial in case of binary images; but the images in our case are colored, and each have different color of ...
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21 views

Is there an OBJECT BASED Image Segmentation method, with pure non-segmented training images?

I wonder if there is a method works as follows: 1) The algorithm is trained with some images of a particular object (I train my Image with 1000 banana images) 2) I use the training data to segment a ...
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33 views

How many way to reduce overfitting problem of Linear classificationH

I am working in linear classification such as y=ax+b. where x={x1...xn}. But the method has weakness that is overfitting problem. Could you suggest to me one method or one way to reduce overfitting ...
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1answer
33 views

Linear classification and overlapping problem reduction

I am study linear classification(Y=aX+b) But it is still weakness that is overlapping problem. Could you suggest to me how to reduce overlapping problem in linear classification or how to find these ...
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25 views

How many features of given image

assume that I have a set of image and segmented image of a object in image (training set). Now, I want to measure features of object in image based on the training data. But I don't know how many ...
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115 views

OCR (optical character recognition) for Indian languages - segmentation

Can any one help me in how to extract a table from the whole document image and segment it? I have done segmentation for the document image which has only text by using the projection profile. So ...
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78 views

Color and circle detection in image

I try to detect and count circles in image (for example smarties) I use HSL color space. But I am not able to distiguish colors od the same color if they are in touch. I try to erode and dilate ...
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2answers
124 views

Matlab - Segment cell nucleus from similar background

I am trying to segment the nucleus of the cell in an image so I can extract its boundary. The nucleus and the background of the image are very similar so I am finding it difficult to do this using the ...
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2answers
131 views

Improving segmentation diffusion

I'm currently working on implementing an efficient method to segment an organ on 3D CT images. I used an algorithm (SLIC) to generate superpixels on each slice of my CT 3D matrix. The process is ...
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Please suggest me good algorithm for video segmentation based on changing background?

Iam having 1 min video.I need to cut the video into 5 segments depending on changing background.Please suggest me good algorithm which can be easily implemented in matlab.Please provide me helpful ...
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164 views

Removing marker pen artifacts from scanned microscope slide images

I am developing an image processing algorithm / plugin for Fiji (ImageJ) that processes scanned microscope slide images (20x magnification) and extracts features from the slides. The slides contain ...
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29 views

Spatial Expectation Maximization matlab

I am looking for the way to implement spatial Expectation Maximization matlab code. Because traditional EM cannot handle with noise image. Hence, I want to find improved EM matlab code. Could you ...
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1answer
169 views

Which method to remove small unwanted region and fill holes

I have a hard problem that need your help. I have a binary image that maintains some unwanted region (small white dot) and hole regions (in figure 1).My idea is that the first I will remove unwanted ...
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2answers
95 views

How to extract the vein pattern from an IR image of finger?

I am trying to isolate (or segment to be precise) the vein pattern from Infra red image of a finger (using MATLAB) like shown below: So my output will be a binary image like (not the exact dimension ...
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47 views

The relationship between zero level set and thickness information

I have one problem that need you help. I am try to find the relationship between active contour and thickness information. For defination of thickness we can find at thickness measuring and active ...
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1answer
29 views

Input image size in MATLAB

Hi I am trying to get the image size of the uploaded image in MATLAB. So far I have got : read=imread(image.png) ymax=size(read) (1); xmax=size(read) (2); ...
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How to segment with false edge in in image?

I try to resolve false edge problem in image segmentation. Let see its defination in Figure. The false edge problem often occurs in inhomogeneity image, especially for medical image. I am finding the ...
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1answer
121 views

Counting human movement of exercise using ROI or pre-set passing line with OpenCV

I'm currently doing my final year Degree in computing studies. The project I'm working on is a video of a webcam or computer webcam to have 2 pre-defined ROI (Region of Interest) on top and bottom ...
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213 views

How to calculate the local gradient of an image in MATLAB

I know that the gradient function is supported by MATLAB, but the local gradient is not, so how do you calculate it? Local gradient is another texture descriptor, which is defined as: ...