56 total contributions since 2012

Professional Interests: Programming

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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