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namita chandrakar


8 total contributions since 2014

Professional Interests: image processing

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Question


how to apply dct code on each color plane of an RGB image
i understand how to separate a 3d color image into its rgb color planes written below but how to apply the dct to each plane? ...

5 years ago | 1 answer | 0

1

answer

Question


what is scaling factor and flexing factor in watermark embedding ?
hello sir, i apply following formula for watermark embedding. S1= S+ a* w for Combine SVs of the watermark with the SVs of t...

5 years ago | 0 answers | 0

0

answers

Question


how to convert RGB to YIQ color space ?
hello sir, I am trying to convert an RGB image to YIQ color space, and convert it back to RGB. what is the correct way of conv...

5 years ago | 1 answer | 0

1

answer

Question


how to convert RGB to YUV ?
hello sir, I am trying to convert an RGB image to YUV, and convert it back to RGB. This is my code: %host image T=imread(...

5 years ago | 1 answer | 0

1

answer

Question


how to write matlab code for third level DWT ?
hello..im writing a code for getting an image and perform dwt for one level to get 4 sub bands, ,but i want to apply third leve...

5 years ago | 1 answer | 0

1

answer

Question


how to solve "Subscripted assignment dimension mismatch" error ?
Hi everyone, any help on this will be highly appreciated!! i have 3D image. Here is my program: T=imread('....'); %host i...

5 years ago | 1 answer | 0

1

answer

Question


what is the difference between these two types of rgb matlab code ?
i have a 3D color image , when i use a matlab code as below x=imread('....'); R=x(:,:,1); % red G=I(:,:,2); % green ...

5 years ago | 1 answer | 0

1

answer

Question


how to get back the rgb image from r g b component ?
i have 3D image. i want to combine r g and b component ? how do i display the 3D image back ? % display one channel only ...

5 years ago | 1 answer | 0

1

answer