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Chandra Shekhar


VIT University, Vellore, India

36 total contributions since 2012

I am student at Vellore Institute of Technology, Vellore, India.
Currently pursuing Masters in Communication Engineering.

Professional Interests: Image Processing, Digital Signal Processing, Communications

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Chandra Shekhar's Badges

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  • Thankful Level 2
  • Knowledgeable Level 2
  • First Answer

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Contributions in
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Question


How to use Ant Colony Optimization algorithm for Image Compression
Hello Everyone, Does anyone know how to use Ant Colony Optimization algorithm for Image compression. Please provide me any...

6 years ago | 0 answers | 0

0

answers

Answered
how to put this conversion in for loop?
Use uigetfile to read multiple file names in a loop. for example... for i=1:500 [filename, pathname, filterindex] = ui...

6 years ago | 0

Question


How to add mouseover in GUI
I have created a GUI using guide, there are multiple pushbuttons in the GUI. If i put my mouse pointer over the any pushbutto...

6 years ago | 1 answer | 0

1

answer

Question


How to Display the code on Edit Text in GUI
Hello Everyone, I need to display the my entire MATLAB code on edit text in GUI. I have tried like this conn = database...

6 years ago | 1 answer | 0

1

answer

Question


How to read .accdb file in MATLAB using ODBC
I have access file 'Database.accdb', how to read this file in MATLAB. I have created ODBC datasource, if i read this ODBC f...

6 years ago | 1 answer | 0

1

answer

Answered
Image resize image in matlab
dont resize original image to [16 16] make it as it is. follow following code to get more info I = imread('waterframe-1.pn...

6 years ago | 0

Answered
how can i perform edge detection efficiently in matlab?
I = imread('circuit.tif'); BW1 = edge(I,'prewitt'); BW2 = edge(I,'canny'); figure, imshow(BW1) ...

6 years ago | 0

Answered
Can anybody tell me how to save program and run and others basic as i am a new user ..
type your program in Editor window, then save the program in .m format. then go to Debug option then click run. you pro...

6 years ago | 0

| accepted

Answered
How can i read the whole RGB image pixel by pixel with their values and to check that if pixels have specific value please guide me
Suppose your image size is 50*50, then u separate each RGB plane. image=imread('img.jpg'); R=image(:,:,1); or R=image(1:50...

6 years ago | 0

| accepted

Question


Need 'ADAPTHISTEQ' implementation help
I have used 'adapthisteq' function in MATLAB. For writing this function they have referred this below paper. Zuiderveld, Kare...

6 years ago | 1 answer | 0

1

answer

Answered
how to produce edge detected image
I = imread('circuit.tif'); BW1 = edge(I,'prewitt'); BW2 = edge(I,'canny'); BW3 = edge(I,'sobel'); figure, imshow(BW1) ...

6 years ago | 1

| accepted

Answered
simple plot question (:,1)
Here your y is having two columns and many rows. Here you are considering |y(:,1)| in x-axis and |y(:,2)| in y-axis in the pl...

6 years ago | 0

| accepted

Answered
What is the best way to compare multiple images and point out differences?
Convert those images to Binary, then apply use 'corr2' function in matlab, it will take very less time for comparing images....

6 years ago | 0

Answered
Why am I getting this error "??? error using ==> times matrix dimensions must agree" in matlab?
Don't use dot product,edit that line like this hn=hd*wk; but you will get single value after multiplying,but 'freqz' funct...

6 years ago | 0

Answered
Text extraction from a binary image
use 'histeq' function for enhancement or use 'adapthisteq' by choosing proper clipping range. After applying this method conv...

6 years ago | 0

| accepted

Answered
i got error in color based segmentation using K-means?
Refer this link for color based segmentation using k-means <http://www.mathworks.in/products/image/examples.html?file=/produc...

6 years ago | 0

Question


How to display continuous changing values in static text of GUI
here i am receiving values from serial port and then i am separating text part from received data. when i separate text, then...

6 years ago | 3 answers | 0

3

answers

Question


How to perform wavelet decomposition HPF and LPF on image separately
I am having degraded image.here i need to separate high frequency information and low frequency information from the image by ch...

6 years ago | 1 answer | 0

1

answer

Question


Image Projection for oriented images
I have input image and expected image in below link.. <https://www.dropbox.com/s/o26eeiiogtqmcj9/img.jpg> Please any one t...

6 years ago | 0 answers | 0

0

answers

Question


How to plot 3 different values in single plot in real time.
Here i need to read data from serial port, for plotting ECG waveform in real time. From that serial data, i need to create 2 mor...

6 years ago | 1 answer | 0

1

answer

Question


How to interface DSP kit with MATLAB
I have a matlab code for image comparison using optical character recognition(OCR). I need to compare real time images with data...

6 years ago | 1 answer | 1

1

answer

Question


Reading Multiple Images from Folder
I have a folder named 'ImageSet1',it consist of 20 images named as a 1.jpg,2.jpg...20.jpg. Here i want to read images from ...

6 years ago | 2 answers | 0

2

answers

Question


K-means Clustering for Color Grouping
I need to cluster different colors using k-means clustering algorithm. when i use function like this with k=4 for 5 colors im...

7 years ago | 1 answer | 0

1

answer

Question


How to remove horizontal and Vertical lines
I have Binary Image,i need to remove horizontal and vertical lines in that image.Lines are not fixed size. Is there any metho...

7 years ago | 2 answers | 0

2

answers

Question


Adjacent Text Character Grouping
I am having a Text String image,here i need to make each string as one group by using connected component grouping. For a con...

7 years ago | 0 answers | 0

0

answers

Question


Uniform Color Extraction from Image
I have a image with multiple colors.I need to extract individual color by suppressing the other color.I mean, if image consist o...

7 years ago | 1 answer | 0

1

answer

Question


How to Downsample image in both Horizontal and Vertical Direction
Any one help me how to downsample image in horizontal direction and vertical direction. i used downsample(image,4), it will d...

7 years ago | 1 answer | 0

1

answer

Question


How to find Stroke width of Character
Hi everyone.. Please help me out how to find stroke width of character. lets say i have image, from that i need to extract text...

7 years ago | 0 answers | 0

0

answers

Question


Text Detection using Stroke Width Transform
Hi. I am doing project on Text detection and localizing in natural scenes, so i need to implement stroke width transform algori...

7 years ago | 1 answer | 0

1

answer

Question


R component pixel extraction
i have equation R(x,y)=sqrt(x^2 + y^2)..so i need to compute this equation. x and y are individual pixels from color R. please h...

7 years ago | 0 answers | 0

0

answers

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