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Nataliya


Last seen: 11 Monate vor Aktiv seit 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...

fast 5 Jahre vor | 1 Antwort | 0

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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...

etwa 6 Jahre vor | 1 Antwort | 0

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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...

etwa 6 Jahre vor | 1 Antwort | 0

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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? <</...

mehr als 6 Jahre vor | 0 Antworten | 0

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Frage


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...

mehr als 6 Jahre vor | 0 Antworten | 0

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Frage


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...

mehr als 6 Jahre vor | 3 Antworten | 0

3

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Frage


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

etwa 7 Jahre vor | 1 Antwort | 0

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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...

mehr als 7 Jahre vor | 1 Antwort | 0

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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...

mehr als 7 Jahre vor | 2 Antworten | 0

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Frage


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...

mehr als 7 Jahre vor | 1 Antwort | 0

1

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Frage


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...

mehr als 7 Jahre vor | 1 Antwort | 0

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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...

mehr als 7 Jahre vor | 3 Antworten | 0

3

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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...

mehr als 7 Jahre vor | 1 Antwort | 0

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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 ...

mehr als 8 Jahre vor | 2 Antworten | 0

2

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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...

fast 9 Jahre vor | 2 Antworten | 0

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Frage


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...

fast 9 Jahre vor | 1 Antwort | 0

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Code Understanding Help Needed
Hello, I have some problems in understanding this piece of code. Anybody's help will be really appreciated. lambda=100; ...

fast 9 Jahre vor | 1 Antwort | 0

1

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Frage


Object movement by estimating motion
Hello everyone, I have estimated the motion of the frame using optical flow. I want to move the object using the estimated motio...

fast 9 Jahre vor | 0 Antworten | 0

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Frage


Paste the cropped region of one image to another image
Hello everyone, I have a full pendulum clock image and another cropped image (only pendulum region). I want to place that pendul...

fast 9 Jahre vor | 1 Antwort | 0

1

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draw rectangle on extracted region
Hello everyone, I have extracted the moving region by subtracting the video frames. Now I want to draw a rectangle over the extr...

etwa 9 Jahre vor | 1 Antwort | 0

1

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Frage


Draw rectangle on optical flow points
Hello, I am detecting the moving object using optical flow. Here is the code to find the vectors of optical flow. %% Load i...

etwa 9 Jahre vor | 0 Antworten | 0

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Draw a box around moving object
Hello, I am detecting the moving area of an object (e.g. moving pendulum of the clock) by subtracting one frame of the video to ...

etwa 9 Jahre vor | 1 Antwort | 0

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Obtain trimap of the image
Most image matting algorithms need image and trimap of the image as input. My question is how to get the trimap of the image? Is...

mehr als 9 Jahre vor | 1 Antwort | 0

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Frage


Normalized Cross Correlation for rgb image
Here is the code for to find normalized cross correlation between two images. function NK = NormalizedCrossCorrelation(ori...

mehr als 9 Jahre vor | 1 Antwort | 0

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image intensity scale sub-divide into two ranges
I have an image. I obtain the histogram for that image and calculate probability distribution using the code below: if size...

mehr als 9 Jahre vor | 2 Antworten | 0

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