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Algorithms Analyst


56 total contributions since 2012

Professional Interests: Programming

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Question


RGB image to HSV image conversion
Hello all I have an rgb image and I want to convert it into HSV image and want to get only SV image.I have code like that ...

4 years ago | 1 answer | 0

1

answer

Question


How can I access each superpixel of an image?
Hello I have successfully segmented the superpixels of an image (having size 120x160) using SLIC algorithm. For instance, ...

4 years ago | 1 answer | 0

1

answer

Question


Comparing two HOG Features
I have a image size of 512x512 and another image having same size. I computed the HOG features from each image.So I got the HOG ...

5 years ago | 0 answers | 0

0

answers

Question


reconstructing the original image from shuffled image
Hi all I performed shuffling on image pixels like shuffled_image=reshape(img(randperm(numel(img))),size(img)); In this ...

5 years ago | 1 answer | 0

1

answer

Question


Concatenation of images in one Matrix
Hi all I have 3 images having different size of 512x512,256x256,128x128 How can I concatenate them together in one matrix...

5 years ago | 2 answers | 0

2

answers

Question


Laplacian Image Pyramid Reconstruction
Hi all I am generating a Laplacian pyramid based on Gaussian Pyramid. img=imread('lena.bmp'); 512*512 size pyr=cell(1,4...

5 years ago | 0 answers | 0

0

answers

Question


Connected Components on Input Image
Hi all I want to visualize my compnents on original input image. I have performed foregorund detection by some background sub...

5 years ago | 1 answer | 0

1

answer

Question


Principal Component Pursuit Matrix Optimization Problem
Hi all How can I solve this problem let say A is any matrix then minimize ||L||+lambda||S|| subject to L+S=A. where...

5 years ago | 0 answers | 0

0

answers

Question


Histogram computation from gradient image.
Hello everyone I want to compute the histogram using image gradient.let say that I have an image Img=imread(myimage); ...

6 years ago | 0 answers | 0

0

answers

Question


Region of Interest Image Processing
Hello All I want to apply some algorithm only on region of interest in an input image. Let say I have an image A. ima...

6 years ago | 1 answer | 0

1

answer

Question


How to play movine backward in matlab?
Hi all I want to play video frames backwardly in matlab can any one help in this regards My code is source='LID.AVI';...

6 years ago | 1 answer | 0

1

answer

Question


Plotting 3D Graph in Matlab
Hi all I have got the statistics from 5 differenct algorithms and I want to plot them in 3D graph using matlab.How can I do ...

6 years ago | 0 answers | 0

0

answers

Question


Markov Random Field For Pixel Labeling
Hello all I have a binary Image and I want to apply markov random field for labeling. Can any one help me how can I do it in...

6 years ago | 0 answers | 1

0

answers

Question


Randomly neighbouring pixels from image
Hi all I have choosed the image random pixels having my code below clc close all clear all im = imread('frame1.p...

6 years ago | 1 answer | 0

1

answer

Question


Shortest Distance between two vectors
How can I find the shortest distnace between two vectors of same length? is it like that sqrt(vectorA+vectorB). Thanks...

6 years ago | 3 answers | 0

3

answers

Question


How can I randomly choose a neighbouring pixel from an Image..
Hello Every one How can I randomly choose the pixels value from an image.Any help is appreciated. Thanks

6 years ago | 2 answers | 0

2

answers

Question


Controlling For loop using matlab
Hi Everyone I have code which plays a video like that vidobj=VideoReader('.avi'); frames=vidobj.Numberofframes; for f=...

6 years ago | 1 answer | 0

1

answer

Question


Drawing a bounding box around foreground objects
Hello Everyone. I have applied a backgrund subtraction algorithm called frame differencing it is working very well I can easi...

6 years ago | 2 answers | 0

2

answers

Question


Computing the Disparity Map between two images
Hi all I have computed the disparity map between two image pairs using Normalized cross correlation matching.now I want to s...

6 years ago | 0 answers | 0

0

answers

Question


Adding two different size matrices
Hi all I have a one matrice whos size is 100x50 let say A=ones(100,50) and I want to add it with its transpose B=A...

6 years ago | 2 answers | 0

2

answers

Question


Gaussian Distribution for image pixels
Hi all Can any one help me how to model the variation of each pixel in grayscale image using its mean and std as there is...

6 years ago | 0 answers | 0

0

answers

Question


2-Dimensional Principle Component Analysis
Hi all I want to extract the feature vector from image using 2DPCA. If I use the direct matlab function princomp let sya ...

6 years ago | 0 answers | 0

0

answers

Question


Principle Component Analysis Computation
Hi all I am applying Principle Component Analysis manauall. I have a Dataset let say Data= [2.5000 2.4000 0....

6 years ago | 1 answer | 0

1

answer

Question


how to combine two videos in matlab
clc close all clear all source1='LID1-High Illumination.AVI'; source2='ResultsLID.AVI'; vidobj1=VideoReader...

6 years ago | 1 answer | 0

1

answer

Question


Bird Eye View Image
Hi all I have 4 images front back right and left and I want to transfer these set of images into bird eye view. How can I do ...

6 years ago | 2 answers | 0

2

answers

Question


How can I save individual movie frames from a video?
I want to save individual frames of my video--how can I do this? I tried the code below but it is not working... clc ...

6 years ago | 3 answers | 0

3

answers

Question


How to write video in to frames
Hi every one I have implement some algorithm now i want to save the results of this algorithm into some folder how can I do i...

6 years ago | 1 answer | 0

1

answer

Question


Finding the average frame from a video seqence.
HI every one How can I find the average frames form the video sequence. As I can compute the average image between two ima...

6 years ago | 1 answer | 0

1

answer

Question


Finding the average background frame from a video sequence
Hi everyone I have a video seqence and I want to apply the running average equation on this video sequence to estimate the ba...

6 years ago | 1 answer | 0

1

answer

Question


Problem in thresholding an image
Hi all I am facing problem in thresholding an image such that in image 1 belongs to background and 0 belongs to foreground pi...

6 years ago | 1 answer | 0

1

answer

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