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

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Image Segmentation - Berkeley Dataset

I've been given an image from Berkeley dataset to segmentate. I am an undergrad student and so far I threw everything i know to this thing. But the colors are extremely close. I tried; Clustering ...
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8 views

What is the difference between Harris Corner Detection and SUSAN Corner Detection?

What is the difference between Harris Corner Detection and SUSAN Corner Detection
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18 views

Bit Plane Complexity Segmentation (BPCS)

I am working in digital image steganography. Although I am novice but implemented some of LSB substitution based steganographic methods. Now want to implement Bit Plane Complexity Segmentation ...
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18 views

Need good resources to study 'Speeded up Robust features'

My current project is about Speeded up Robust features(SURF). I am a beginner in Image processing and new to this concept. Even though i found a lot of information on Internet, i am not able to find ...
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how to get segmented OPTIC DISC from retinal image?

i have been segmented some image of retina. but the result is not good as i hope. for one image i can get good segmentation, like this image my code is from some reference in internet, in below i ...
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19 views

How do I remove the skin reflection from an ultrasound image?

I am trying to segment the fetal part from an ultrasound image. Most of the algorithms I have tried include the uterus skin reflection along with my region of interest. Is there a pre-processing ...
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35 views

Polygon Segmentation technique

I am working on Automated GUI components Segmentation problem. My Images are very simple as it has GUI components such as Buttons, text box and other polygons as you can see in the diagram (a). ...
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21 views

Some questions about the cube map representation

I am reading a text about cube map representation, but it seems I am confused. How the cube map representation can be used to detect lines using $xn_x+yn_y-d=0$? (we can ignore the polarity of lines.) ...
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26 views

Best segmentation method

This is part of my samples ...
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30 views

Normalized cut segmentation output correct or not?

I have implemented "normalized cut" segmentation. The change here is that, instead of giving an image as input, I have given an matrix of image. As my output looks odd to me. I need to know whether my ...
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88 views

how to detect corner in a digital image using MATLAB? [closed]

I am designing an algorithm for image processing. I am using MATLAB for the processing of the images(video). How I can detect the position of the corners in the image?
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29 views

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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1answer
112 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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1answer
23 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
60 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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2answers
139 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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77 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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25 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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44 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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39 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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27 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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24 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
86 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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1answer
51 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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35 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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72 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
74 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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37 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
45 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
128 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
87 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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35 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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2answers
94 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
129 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
128 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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137 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
86 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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31 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
79 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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51 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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1answer
31 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
34 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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141 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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121 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
368 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
154 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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16 views

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 ...