kiruthika r

Active since 2015

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Question

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...

10 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.

10 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?

10 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,...

10 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...

10 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 ...

10 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...

10 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...

10 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?

10 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...

10 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...

10 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...

10 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...

10 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?

10 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?

10 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?

10 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...

10 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

10 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...

10 years ago | 2 answers | 0

2

answers