kiruthika r


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How to segment black pixels from a colour image?
I have a colour image. From this image I have to remove the black circles and black symbols from it. How can I do it? <</matl...

9 years ago | 2 answers | 0

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answers

Question


How to convert a gray image having value 0 and 255 into a binary image with value 0 and 1?
How to convert a gray image having value 0 and 255 into a binary image with value 0 and 1?

9 years ago | 0 answers | 0

0

answers

Question


Error showing that input arguments are double.
I have written a program to compare two binary images. Both inputs are logical. But when I run the program it says "Undefined fu...

9 years ago | 1 answer | 0

1

answer

Question


How to use findpeaks command?
When I use the command "[pks,locs] = findpeaks(Avg,cx1)" I am getting error as Error using uddpvparse (line 122) Invalid Pa...

9 years ago | 1 answer | 0

1

answer

Question


How can I get an array so that it forms a matrix with only two columns?
I have to get an array for a data to store my x-axis and y-axis value so that it forms a matrix with only two columns.

9 years ago | 1 answer | 0

1

answer

Question


How to calculate the height of a peak?
I have a peak and I have to calculate the height of the peak.How can I do with matlab?

9 years ago | 1 answer | 0

1

answer

Question


How to find the peak features?
I have a plot with a peak. I have to find parameters like peak width, top width, increasing ramp height, decreasing ramp height,...

9 years ago | 0 answers | 0

0

answers

Question


How to detect a peak at a given location?
I have a plot. I have to detect the peak at a given location. But the peak is not starting from the given point. My location poi...

9 years ago | 1 answer | 0

1

answer

Question


How to create a mask for the image
I want to generate a mask for my image.How can I generate it? <</matlabcentral/answers/uploaded_files/38967/img.png>> The ...

9 years ago | 1 answer | 0

1

answer

Question


Is there any option to rotate an image from the selected pixel as a center point?
I want to rotate an image. But the rotation should be made such that the selected pixel should be the center location of rotatio...

9 years ago | 1 answer | 0

1

answer

Question


For an image, how can I make profile at different angles?
I want to find cross sectional profile at different angles as shown in figure.How can I do this using matlab coding? Please help...

9 years ago | 1 answer | 0

1

answer

Question


How to find the row and column number in an image?
I want to find the row and column number at a point in an image manually. How can I do it? Is there any options available?

9 years ago | 2 answers | 0

2

answers

Question


How to get average of the image?
I have an image as shown in the figure. I want to find the average of this image and want to plot the same in the graph. <</m...

9 years ago | 2 answers | 0

2

answers

Question


How to make a cross sectional profile with different angles?
I want to make a cross sectional profile for a gray-scale image with different angles. I want to first select a pixel.A line sho...

9 years ago | 0 answers | 0

0

answers

Question


How to find number of pixels between two points?
I need to find number of pixels between two points in an image and also I have to select the two points manually.Can anyone plea...

9 years ago | 1 answer | 0

1

answer

Question


How do I get a median filtered image?
How do I get a median filtered image? I want to convert the first image like the second image using median filter. <</matlab...

9 years ago | 1 answer | 0

1

answer

Question


For a color image, how can we reduce noise using a median filter?
For a color image, how can we reduce noise using a median filter?

9 years ago | 1 answer | 0

1

answer

Question


How to increase the contrast of a colour image?
How to increase the contrast of a colour image?

9 years ago | 1 answer | 0

1

answer

Question


For contrast enhancement with input argument of type uint8, why imsharpen can't be used?
For contrast enhancement with input argument of type uint8, why imsharpen can't be used?

9 years ago | 1 answer | 0

1

answer

Question


How to detect lesions in diabetic retinopathy especially microaneurysm
I was trying to detect lesions in DR. I tried to calculate using intensity values. But my output is like regional maximum. I don...

9 years ago | 1 answer | 0

1

answer

Question


how to write a matlab coding for position and velocity algorithm for a digital pid controller
how to write a matlab coding for position and velocity algorithm for a digital pid controller

9 years ago | 1 answer | 0

1

answer

Question


How to compare the intensity of the central pixel with its 8 neighboring pixel in an image? Can anyone help me with its matlab code? Also I have to save my central pixel if its intensity value is greater than other pixels.
How to compare the intensity of the central pixel with its 8 neighboring pixel in an image? Can anyone help me with its matlab c...

9 years ago | 2 answers | 0

2

answers