Nataliya

Last seen: plus d'un an il y a | Actif depuis 2014

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Finding TP, TN, FP, FN using histc. First Input must be a real non-sparse numeric array (error)
I am finding TP, TN, FP, FN (confusion matrix) of predicted and actual image. smapImg is the predicted/output image and gtImg is...

plus de 5 ans il y a | 1 réponse | 0

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Question

Detect the changes in two images
I have two images of same scene. I want to detect the object that is in 1st image but not in 2nd image. Similarly the changes th...

plus de 6 ans il y a | 1 réponse | 0

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Question

Create narrow band of pixels under gray region
I want to create a narrow band of pixels (white pixels) neighbouring the lower side of gray region. Please see the attached imag...

plus de 6 ans il y a | 1 réponse | 0

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Question

remove unwanted elements from color image
Hi, I want to remove unwanted small elements from color image (roughly highlighted in attached image). How can I do that? <</...

presque 7 ans il y a | 1 réponse | 0

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Question

Remove small elements from color image
Hi, I want to remove small elements from color image e.g. the pink and white colored particles from attached image. How can I do...

presque 7 ans il y a | 1 réponse | 0

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Question

Differentiate smooth and rough objects
I am trying to differentiate smooth object (as shown in left) and rough object (as shown in right). I tried solidity property fr...

environ 7 ans il y a | 3 réponses | 0

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réponses

Question

Select largest bounding box
I used this code to detect people peopleDetector = vision.PeopleDetector; [bboxes,scores] = step(peopleDetector,I); ...

plus de 7 ans il y a | 1 réponse | 0

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Question

Divide histogram in three parts
Hi, I want to divide the histogram in three parts and define the ranges of three parts. minRed = min(red(:)); maxRed = m...

plus de 7 ans il y a | 1 réponse | 0

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Question

Read pixel by pixel value from two images simultaneously
I want to get pixel by pixel value from two images at once. For example, Get 1st pixel value of both images and so on. How can I...

presque 8 ans il y a | 2 réponses | 0

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Question

How to remove color cast from the image
How to remove green or blue cast from the image to restore it to the original one? I have tried many techniques like color balan...

presque 8 ans il y a | 1 réponse | 0

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Question

Write mean square error of images in text file
I have some images and there ground truths and I want to calculate MSE of each image and write them in text file. I am evaluatin...

presque 8 ans il y a | 1 réponse | 0

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Question

Unable to read image.JPG file
I am getting the error Error using imread (line 349) File "E:\GT\out_of_focus0016.JPG" does not exist. How can i reso...

presque 8 ans il y a | 3 réponses | 0

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Question

Evaluate the quality of image using region-based precision and recall
How to evaluate the quality of image using precision and recall measures? I want to compare the segmented image against ground t...

presque 8 ans il y a | 1 réponse | 0

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Question

Read Image sequences in order
Hello everyone, I am trying to read the image sequences. Images are named as Img_1, Img_2,....,Img_10. I am reading the images ...

environ 9 ans il y a | 2 réponses | 0

2

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Question

Average of pixel difference from center pixel
I want to replace the value of center pixel by the average value of the pixel difference of its 3x3 neighboring pixels. How to d...

environ 9 ans il y a | 2 réponses | 0

2

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Question

Similarity level of the pixel
Hi, I want to compute the similarity of the pixel with its neighbors. Basically what I want is to assign more weights to the pix...