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How can i use "normalized mutual information" as a quality function to compare the new partition against the original partition?
i want to know how to use nmi.m toolbox to test the new partition. for example: this graph with 7 nodes, and 20 edges "the g...
10 years 前 | 0 个回答 | 0
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i want to make a change in "graphshortestpath" function to give bonus to edges in paths that have distance > 2
[DIST,PATH,PRED] = GRAPHSHORTESTPATH(G,S) determines the single source shortest paths from node S to all other nodes in the gra...
10 years 前 | 0 个回答 | 0
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find all possible paths of length K from source node to any other nodes????
I want the the code to find *all paths of length K* originating from *source node* to other nodes in the graph , where source ...
10 years 前 | 1 个回答 | 0
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个回答提问
what is the code to represent "graph" , and its adjacencey matrix in matlap??????
<</matlabcentral/answers/uploaded_files/7331/Picture3.png>> adjacency matrix A, de¯ned by A(i; j ) = 1; if i and j are con...
10 years 前 | 1 个回答 | 0
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个回答提问
I want the code for this operation ⊗ on two vectors X and Y
Suppose that X and Y are two vectors of the same dimension: X=(x1,x2,···,xn)^T , Y=(y1,y2,···,yn)^T . Define an operation ⊗o...
10 years 前 | 1 个回答 | 0
1
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error in resultes of "OR" operator
in the following code I need subtract the values 255 and 254 by 1 and adding the value 0 and 1 by 1 and the other values do...
11 years 前 | 2 个回答 | 0
2
个回答提问
how creat random text file
I need to creat text file have random charecters with spesific size I need give it size to generate random text file for...
11 years 前 | 2 个回答 | 0
2
个回答提问
Bit Plane Complexity Segmentation
Can any one have code to (Bit Plane Complexity Segmentation)."BPCS"
11 years 前 | 1 个回答 | 0
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个回答提问
dealing with values of cells
befor this question, I asked how divided the matrix to blocks, each block have size(1*3) example matrix = [1 4 3 5 7 1;4 2 1...
11 years 前 | 1 个回答 | 0
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个回答提问
divide the matrix to blocks
I need to divide matrix to blocks have size (1*3) how can write (for loop) to get blocks as the following example matrix = ...
11 years 前 | 2 个回答 | 0
2
个回答提问
download test color images .
can any one tell me about website for download color test images from it ؟
11 years 前 | 1 个回答 | 0
1
个回答提问
compressed a color image ?
can I compressed a color image using EZW technique ?
11 years 前 | 1 个回答 | 0
1
个回答提问
How can divide an image into blocks
I want to divided image to 3*3 overlapping blocks, then I will make some operations on each block
11 years 前 | 2 个回答 | 0
2
个回答提问
over / under flow of image
I use Integer Wavelet Transform in some my projects using the function: lwt2(), but I have a question: if in my code some p...
11 years 前 | 1 个回答 | 0
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个回答提问
convert from C# to matlab
Do any one have tool or function to convert code written by C# language to matlab. please help me thank you.
11 years 前 | 1 个回答 | 0
1
个回答提问
Advanced Encryption Stndard (AES) for text file?
I need code for AES to encrypt text file, I have code download it from mathwork but i can not give input as (plaintexet.text) to...
11 years 前 | 2 个回答 | 0
2
个回答提问
about JPEG 2000 coding
I need jpeg 2000 encoding and decoding Through research found Jasper Software and its interface by MATLAB I need to clarific...
12 years 前 | 1 个回答 | 0
1
个回答提问
the compression ratio for images
Please, can any one tell me about the relation between the compression of distortion image and the compression for original imag...
12 years 前 | 1 个回答 | 0
1
个回答提问
problem in function imshow figure
I wante to use the following function figure, imshow(I , []), title('Image'); I is image but this command give error ...
12 years 前 | 3 个回答 | 0
3
个回答提问
How to calculate the compression ratio ?
How to calculate the compression ratio for compressed image? Do any one have abuilt_in function or method to estimate it?
12 years 前 | 1 个回答 | 0
1
个回答提问
bitset function with LSB algorithm
I use the function: C = bitset(A, bit, v) to apply LSB algorithm but faced problem when A = negative integers error: Er...
12 years 前 | 1 个回答 | 0
1
个回答提问
under flow and over flow of image
what is the pre-processing that executed on a gray image to prevent the over and under flow of image processing? the rang of im...
12 years 前 | 2 个回答 | 0
2
个回答提问
LSB algoritm in matrix
I hide bits in some values in matrix according spesific rule for example, A = 10; X = [20 5 3; 50 40 9; 11 42 15]; ...
12 years 前 | 1 个回答 | 0
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how show color image ?
I use figure, imshow(colorimage); it do not show and give White window what is this problem
12 years 前 | 2 个回答 | 0
2
个回答提问
convert RGB to YCbCr
I need to get three channel(three matrix)= Y, Cb, Cr from convert color imag to ycbcr but: the follow function RGB = imread(...
12 years 前 | 1 个回答 | 0
1
个回答提问
xor function
A = ['010','110','111','011',...]; how calculate XOR as B = xor(010,110) >> B 110 then this result xor with the third ...
12 years 前 | 2 个回答 | 0
2
个回答提问
convert string to matrix
how convert stream of bits to matrix for example A = ['01100101']; I want B = [0,1,1,0,0,1,0,1];
12 years 前 | 1 个回答 | 0
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个回答提问
image division
How split the digital image to blocks for example, X is image size = [200*200] I want split it to blocks, each block has size...
12 years 前 | 1 个回答 | 0
1
个回答提问
bitget function
I use bitset function to replace LSB by another bit in array but when extract this LSB by bitget function the result = nul...
12 years 前 | 1 个回答 | 0