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GUDIVADA ROKESH KUMAR


NIT ROURKELA

Active since 2018

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How to find the confusion matrix of a given network?
%% Folder = 'C:\Users\Vishal\Desktop\Rokesh\NntestCopy\Bacteria'; if ~isdir(Folder) Message = sprintf('Error: cant find the...

5 years ago | 1 answer | 0

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Question


How can I crop a particular area of several images (23 in no.) of size 804x566?
How can I crop a particular area of several images (23 in no.) of size 804x566?

5 years ago | 0 answers | 0

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Question


I wan to get 'normxcorr2' of all the images, whicih are in a folder located in my computer?
% This Code is for two images but i need it for entire folder having 23 images(like i1, i2,...i23.jpg) im1 = rgb2gray(imread(...

5 years ago | 0 answers | 0

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Question


I'm using a 'convolution2dLayer' in my program but I'm unable to get that what it is doing after applying it to an image?
layers=[... imageInputLayer([566 804 3]) convolution2dLayer(5,20,'stride',6) % I WANTED KNOW BACKGROUND OF THIS LAYER,...

5 years ago | 0 answers | 0

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Question


Command window showing the errror 'Index exceeds matrix dimensions'. How to resolve it? Following is my code if possible resolve the code.
layers=[ ... imageInputLayer([566 804 3]) convolution2dLayer([50 50],10,'stride',[6 6],'padding',[0 0]) reluLayer...

5 years ago | 1 answer | 0

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Question


My image size is of [566 804 3], what are the useful convolution filter sizes? How can I predict them? Every where I just given the same filter size and same number of filters?
layers=[... imageInputLayer([566 804 3]) convolution2dLayer(50, 20) reluLayer crossChannelNormalizationLayer...

5 years ago | 0 answers | 0

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Question


I'm getiing this error while running the below code and the error is "Function 'subsindex' is not defined for values of class 'cell'". Could anyone tell me the way to minimize it?
options = trainingOptions('sgdm',... 'LearnRateSchedule','piecewise',... 'LearnRateDropFactor',0.2,... 'LearnRate...

5 years ago | 1 answer | 0

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Question


How can I add images from a folder to a neural network?
imgDataPath = fullfile('C:\Users\Rokesh\Desktop\MATLAB\Project\E.Coli'); imds = imageDatastore(imgDataPath, ... 'IncludeSu...

5 years ago | 1 answer | 0

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Question


I want to take multiple snapshots and How to save these figures through each run of a for loop while using with webcam?
Actually I want to save each and every sanpshot of webcam in my laptop.

5 years ago | 1 answer | 0

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Question


I have two images taken by projecting laser light onto a agar plate. We have taken images at starting point and after an interval of 20 minutes, where we cultured bacteria on it. Then we applied imsubtract(a,b), (b,a) both giving different answers ?
a=imread('im5.jpg'); b=imread('im7.jpg'); c=imsubtract(a,b): imshow(c) d=imsubtract(b,a); imshow(d) after that in the outp...

5 years ago | 1 answer | 0

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Question


Is it possible to find the surface densities of images by applying any kind of matlab functions?
I've taken one image with no light and one with laser light projecting onto the surface which I wanted. So now, definitely some ...

5 years ago | 1 answer | 0

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Question


I collected several images and then i applied this xcorr2(a,b) function. Now i got a value like 3.0281, after one minute I applied same function and got a result of 3.0282 like this. What is this value represents and why it is changing?
normxcorr2(a,b) corr2(a,b) autocorr(a) autocorr(a,lags) What is the output represented by above mentioned functions: I kne...

5 years ago | 0 answers | 0

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