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Nataliya


Last seen: 9 months 前 |  自 2014 起处于活动状态

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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...

4 years 前 | 1 个回答 | 0

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提问


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...

6 years 前 | 1 个回答 | 0

1

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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...

6 years 前 | 1 个回答 | 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? <</...

6 years 前 | 0 个回答 | 0

0

个回答

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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...

6 years 前 | 0 个回答 | 0

0

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提问


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...

6 years 前 | 3 个回答 | 0

3

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提问


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

7 years 前 | 1 个回答 | 0

1

个回答

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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...

7 years 前 | 1 个回答 | 0

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提问


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...

7 years 前 | 2 个回答 | 0

2

个回答

提问


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...

7 years 前 | 1 个回答 | 0

1

个回答

提问


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...

7 years 前 | 1 个回答 | 0

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个回答

提问


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...

7 years 前 | 3 个回答 | 0

3

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提问


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...

7 years 前 | 1 个回答 | 0

1

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提问


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 ...

8 years 前 | 2 个回答 | 0

2

个回答

提问


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...

8 years 前 | 2 个回答 | 0

2

个回答

提问


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...

8 years 前 | 1 个回答 | 0

1

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提问


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

8 years 前 | 1 个回答 | 0

1

个回答

提问


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...

9 years 前 | 0 个回答 | 0

0

个回答

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

提问


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...

9 years 前 | 0 个回答 | 0

0

个回答

提问


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 ...

9 years 前 | 1 个回答 | 0

1

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提问


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...

9 years 前 | 1 个回答 | 0

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提问


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

9 years 前 | 1 个回答 | 0

1

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提问


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...

9 years 前 | 2 个回答 | 0

2

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