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Professional Interests: Video Coding

Answered

Issue in ploting a bar graph using for loop

Thanks for your reply @madhan.ravi. I have got the answer. I should use bar(ss,meanDiffX); instead of plot(ss,meanDiffX);.

Issue in ploting a bar graph using for loop

Thanks for your reply @madhan.ravi. I have got the answer. I should use bar(ss,meanDiffX); instead of plot(ss,meanDiffX);.

oltre un anno ago | 0

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Question

Issue in ploting a bar graph using for loop

i need to plot a bar graph for set of values. i have used for loop. for .... plot(ss,meanDiffX); xlabel('Tiempo (ms)'); ylab...

oltre un anno ago | 1 answer | 0

Question

how to select choose only two place after a decimal point in a equation file.

I have a equation y= 2.35363 +a(7.636436356). i am expecting my output to be y= 2.35 +a(7.63) Kindly help me.

oltre un anno ago | 1 answer | 0

Question

how to save the equation with only 2 digits after the decimal point ?

I have a equation which goes like this. = (2.727924*((2.762532 + 4.792389 * (sqrt((0.086465*((0.000000 - ((1.000000*((LinZ...

oltre un anno ago | 1 answer | 0

Question

Is it possible to to calculate the F Measure for the foreground binary image without ground truth image?

i am extracted the output in binary form. I need to evaluate the performance of mt algorithm. But i don't have the ground truth ...

oltre 2 anni ago | 0 answers | 0

Question

Filling the region within objects with white

I am trying to do background subtraction and the result of one image is displayed here. There are lot of unfilled region in the ...

circa 3 anni ago | 1 answer | 0

Question

can anyone explain the meaning of the line mov_gray(i).image=mov(i).cdata"

mov=aviread(pic_path); n=100; s=1; e=n; for i=s:e mov_gray(i).image=mov(i).cdata; %...

oltre 3 anni ago | 0 answers | 0

Question

Undefined function or variable 'edison_wrapper_mex'

I had tried to download a code and run using matlab. The coding has many functions. I have got the error Undefined function ...

oltre 3 anni ago | 2 answers | 1

Question

help in background subtraction.

I have a background modeled image. and i try to perform background subtraction for the incoming frames in the video, then apply ...

oltre 3 anni ago | 1 answer | 0

Question

Reference to non-existent field 'normalization

i am trying to implement the classification using CNN found in Deep Learning for Computer Vision with MATLAB and cuDNN. I am get...

circa 4 anni ago | 0 answers | 0

Question

Undefined function or variable 'getImageLabels'.

i am trying to implement CNN by following the steps from "Deep Learning for Computer Vision with MATLAB and cuDNN". When i run t...

circa 4 anni ago | 1 answer | 0

Question

SWITCH expression must be a scalar or string constant.

I have tried to install Math Convnet toolbox. I am follwing the instructions in http://www.vlfeat.org/matconvnet/quick/. when i...

circa 4 anni ago | 1 answer | 1

Question

I have multiple image displayed below. I need to remove the spacing between the image. Kindly help me out. Thanks in advance.

<</matlabcentral/answers/uploaded_files/53427/ask.jpg>>

circa 4 anni ago | 1 answer | 0

Question

I have a folder with 1500 images. I need to process the first 200 images(ie, 1 to 200). I used for loop it. But when i run the code i starts from 1,2,3 ... 100. then instead if going for 101th image, its value changes to 1001 , 1002... and so on.

start:1 stop:200 for i = start : stop XX end But i need to continue from 101, 102,... after 100. Kindly help ...

oltre 4 anni ago | 2 answers | 0

Question

help to save a image after drawing rectangular box

I have drawn a rectangle bounding box around an object and save it.. i was able to display the image then draw a rectangle box o...

oltre 4 anni ago | 1 answer | 0

Question

Expression or statement is incorrect--possibly unbalanced (, {, or [

while i tried to run the code to detect an object from the link http://www.mathworks.com/matlabcentral/answers/112917-how-to-det...

oltre 4 anni ago | 0 answers | 0

Question

I have used the code of Prof. Geoffrey Hinton in training Deep Neural Network using MNIST database (binary Image)

Whenever i googled to find code for Deep Neural Network, i can find it only for MNIST binary image set. I understand MNIST is t...

oltre 4 anni ago | 0 answers | 0

Question

I tried training a Autoencoder (Neural Network) network with colour image dataset.

when i try getting back the output by giving a input image, sometimes i get the output(greyscale pixel values) as i wanted. But ...

oltre 4 anni ago | 0 answers | 0

Question

error while reconstructing an image showing white blank spaces while imshow

I have trained few images in Artificial Neural network using back propogation algorithm and when i try to look back them using t...

oltre 4 anni ago | 0 answers | 0

Question

Error using vertcat Dimensions of matrices being concatenated are not consistent.

the above error has come when i run the code below. code : srcFiles = dir('......bjectCategories\brain\*.jpg'); for...

oltre 4 anni ago | 1 answer | 0

Question

I am getting an error "Cell contents reference from a non-cell array object"

Kindly help me. Thanks in advance Error in MCI (line 3) MVF_row = MVF{1};

circa 5 anni ago | 3 answers | 0

Question

Goto command in matlab: Undefined function 'goto' for input arguments of type 'double'"

I am in need of using |goto| command in matlab. I came to know that there is no |goto| command in matlab. But there are programs...

circa 5 anni ago | 2 answers | 0

Question

I have got R,G and B component of a reconstructed color image (3 figures) using imshow function. But when i combine the three color component using cat(3,R,G,B) i am getting a blank (fully white) image.

Kindly clarify my doubt. Thanks in advance.

oltre 5 anni ago | 0 answers | 0

Question

when I was trying to reconstruct an image using block matching algorithm, i have got an reconstructed image with non zero elements. But when i tried to plot it using imshow, it appears to be a blank (full white) image.

how can i solve this. Kindly help me. Thanks in advance

oltre 5 anni ago | 1 answer | 0

Question

how to get a colour image while reconstruction from R,G and B component.

when i try to reconstruct a colour image of size M x N, and display it using imshow command, i am getting a image in greyscale o...

oltre 5 anni ago | 1 answer | 0

Question

Subscript indices must either be real positive integers or logicals.

Hi, I get this error , Subscript indices must either be real positive integers or logicals. The line with this error is, ...

circa 6 anni ago | 2 answers | 0

Question

I am trying to run the following code. i am getting an error in line 15 as "Subscript indices must either be real positive integers or logicals".

mbCount = 1; for i = 1:mbSize:row-mbSize+1 for j = 1:mbSize:col-mbSize+1 % dy is row(vertical) index ...

circa 6 anni ago | 0 answers | 0

Question

Error using reshape To RESHAPE the number of elements must not change. Error in loadFileYuv (line 18) imgYuv(:, :, 1) = reshape(buf, width, height).'; % reshape

function [mov,imgRgb] = loadFileYuv(fileName, width, height, idxFrame) fileId = fopen(fileName, 'r'); subSampleM...

circa 6 anni ago | 1 answer | 0

Question

I am trying to implement frame rate up conversion in matlab. Is there an command or equation for temporal interpolation in matlab?

Can anyone suggest me any code available for this Frame rate Up Conversion in matlab. Thanks in Advance...

circa 6 anni ago | 1 answer | 1

Question

I was trying to reconstruct an image using block matching algorithm. When i tried to do so, i have got an reconstructed matrix with non zero elements. But when i tried to plot it using imshow, it appears to be a blank (ful black) image.Kindly help me

fruca(r:r+N-1,c:c+N-1) = A1(r+N+y2:r+y2+N2-1,c+N+x2:c+x2+N2-1)+ temp(r:r+N-1,c:c+N-1); here, fruca is the reconstructed image...

circa 6 anni ago | 1 answer | 0