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**Content Feed**

Question

is this code gives me compression??

sir is this attached code gives me compression? if yes, where the compression takes place and how ??

9 years ago | 0 answers | 0

### 0

answersQuestion

how to find mse

sir how to find MSE of dft compressed image as idft is in complex form so we cant use (original image)-(reconstructed image)...

9 years ago | 0 answers | 1

### 0

answersQuestion

dwt based image compression

sir how we can do quantization in image compression using dwt?? how can we compress image using dwt?

9 years ago | 1 answer | 0

### 1

answerQuestion

quantization in image compression using dft

sir which table is use for quantization in image compression using DFT?? as we use 8*8 jpeg quantization table to quantize.whic...

9 years ago | 0 answers | 0

### 0

answersQuestion

is this code give me compression?

sir is this m file gives me compression??

9 years ago | 2 answers | 0

### 2

answersextract and remove matrix from matrix

sir i want left upper 6*6 matrix.. and i want two different codes one for extracting the upper left 6*6 matrix and another code...

9 years ago | 0

Question

extract and remove matrix from matrix

sir i have 256*256 matrix i want to extract all 6*6 matrix from 8*8 subblocks of 256*256 matrix.. again i want to add all zeros...

9 years ago | 1 answer | 0

### 1

answerQuestion

finding of mse and psnr

sir i have attached a code . i want to find mse and psnr of the original image(I) and reconstruted image (y). i have used follow...

9 years ago | 2 answers | 0

### 2

answersQuestion

making of a gui

sir i want to make gui on image processing .i want to display the output image of following code how to do that

9 years ago | 1 answer | 0

### 1

answerQuestion

extract matrix from matrix

sir i have image of size 256*256 and i want to extract 5*5 matrix from every 8*8 block of 256*256 image what is code for this......

9 years ago | 1 answer | 0

### 1

answerQuestion

extract 4*4 matrix from 8*8

sir i have 256*256 image i want to extract top left 4*4 matrix from every 8*8 blocks of that image..please send me the code

9 years ago | 1 answer | 0

### 1

answerQuestion

image compression using DWT

sir i have written a code for image compression using DWT transform.but the error i got is insuffient arguments..please check...

9 years ago | 0 answers | 0

### 0

answersQuestion

error is in imreshape

??? Undefined function or method 'imreshape' for input arguments of type 'double'

9 years ago | 1 answer | 0

### 1

answerQuestion

image compression using FFT

Sir how can we compress image using FFT transform..RLE coding is not suitable with the FFT..what coding technique is suitable ...

9 years ago | 2 answers | 0

### 2

answersQuestion

how to get more compression

sir i have made a compressor and decompressor.. i dont get proper output from decompressor..please tell me weather the code is ...

9 years ago | 0 answers | 0

### 0

answersQuestion

convert matrix into 8*8

sir i have 64*64 matrix and i want to convert every 4*4 block of 64*64 matrix into 8*8 matrix..how to do this

9 years ago | 1 answer | 0

### 1

answerQuestion

convrt matrix into 8*8

sir i want to conver 4*4 matrix into 8*8 matrix by adding zeros ..what is matlab code for that

9 years ago | 1 answer | 0

### 1

answerQuestion

how image compression works

sir is dct»quantization»rle coding gives me compressed image??

9 years ago | 0 answers | 0

### 0

answersQuestion

use of rle in compression

is use of rle is responsible for compressing the image ???

9 years ago | 3 answers | 0

### 3

answersQuestion

extract matrix from matrix

i have matrix of 256*256 n i want to extract first 4*4 matrix of every 8*8 blocks of 256*256 matrix

9 years ago | 1 answer | 0

### 1

answerQuestion

access value from another file

sir i have 2 m files one is function mm r=[1 2 3] end saved with name mm.m the other is function n...

9 years ago | 2 answers | 0

### 2

answersQuestion

use of blockproc function

sir [when i use blockproc i got the follwing error..how to overcome this? ??? Subscripted assignment dimension mismatch. ...

9 years ago | 1 answer | 0

### 1

answerQuestion

how to choose image for compression

sir i am compressing the image using transforms DCT DFT and DWT. the block of operation is take image>>sub block into 8*...

9 years ago | 1 answer | 0

### 1

answerQuestion

recombination of a image

sir I divided image into 8*8 blocks using the code attached(block.m). how can i recombine all the blocks and get back the image...

9 years ago | 1 answer | 0

### 1

answerQuestion

RLE encoding n decoding

is this correct run length encoding and decoding?? it returns RLE of only first column of all matrix??

9 years ago | 1 answer | 0

### 1

answerQuestion

how to do dequantization

how to do dequantization of a matrix?? is the multiplication of quantization matrix with the another matrix gives dequantization...

9 years ago | 0 answers | 0

### 0

answersQuestion

image compression using DWT

sir how can we compress image using descrete wavelet transform?? is that attached file is correct?? how do i check if image...

9 years ago | 1 answer | 0

### 1

answerQuestion

Run Length Encoding (2-D)

How do Run Length Encoding works in Matrix (2-D)??

9 years ago | 1 answer | 0

### 1

answerhow to call a function

i got error as ??? Attempt to add "out_0" to a static workspace. See MATLAB Programming, Restrictions on Assigning to Va...

9 years ago | 0