Rui Zhao

Active since 2012

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Crop a sub-window from an image
Solve the problem of build-in imcrop function when the rectangle location exceeds the boundary.

13 years ago | 1 download |

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How to resize and display an image......
doc imresize

13 years ago | 0

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multiple view tracking
non-overlapping views or overlapping views? The former one shall involve the topic 'person reidentification', while the latter o...

13 years ago | 0

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1/X & X^-1 are they the same?
If X is a square matrix, 1/X shall be inv(X) since Matlab can't recognize 1/X for a matrix. Moreover, inv(X) is just the same f...

13 years ago | 2

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

13 years ago

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Search for individual characters within string
For searching for 'x' in 'AX', you can search the uppercase of input via doing this: char(double('x') - 32); % translate the ...

13 years ago | 0

Answered
How to make white color in matlab as '0' while black color as "1"
That depends on your object shape. Only edges cannot help you extract the whole object. If your object has a specific shape, lik...

13 years ago | 0

Question

Color Histogram weighted by non-isotropic Gaussian Kernel
I have a patch to extract color histogram, meanwhile I want to incorporate the spatial weights into the color histogram. The spa...

13 years ago | 1 answer | 0

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