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# Algorithms Analyst

Active 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 ...

meer dan 6 jaar ago | 1 answer | 0

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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, ...

meer dan 6 jaar ago | 1 answer | 0

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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 ...

meer dan 7 jaar ago | 0 answers | 0

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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 ...

meer dan 7 jaar ago | 1 answer | 0

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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...

meer dan 7 jaar ago | 2 answers | 0

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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); py...

bijna 8 jaar ago | 1 answer | 0

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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...

bijna 8 jaar ago | 1 answer | 0

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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...

ongeveer 8 jaar ago | 0 answers | 0

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Question

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

ongeveer 8 jaar ago | 0 answers | 0

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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...

ongeveer 8 jaar ago | 1 answer | 0

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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';...

meer dan 8 jaar ago | 1 answer | 0

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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 ...

meer dan 8 jaar ago | 0 answers | 0

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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...

meer dan 8 jaar ago | 0 answers | 1

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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...

meer dan 8 jaar ago | 1 answer | 0

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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...

meer dan 8 jaar ago | 3 answers | 0

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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

meer dan 8 jaar ago | 2 answers | 0

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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=...

meer dan 8 jaar ago | 1 answer | 0

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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...

meer dan 8 jaar ago | 2 answers | 0

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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...

meer dan 8 jaar ago | 0 answers | 0

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Question

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...

meer dan 8 jaar ago | 2 answers | 0

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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...

meer dan 8 jaar ago | 0 answers | 0

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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 ...

meer dan 8 jaar ago | 0 answers | 0

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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....

bijna 9 jaar ago | 1 answer | 0

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Question

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

bijna 9 jaar ago | 1 answer | 0

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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 ...

bijna 9 jaar ago | 2 answers | 0

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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 ...

bijna 9 jaar ago | 3 answers | 0

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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...

bijna 9 jaar ago | 1 answer | 0

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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...

bijna 9 jaar ago | 1 answer | 0

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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...

bijna 9 jaar ago | 1 answer | 0