Community Profile

Mike Liu


258 total contributions since 2007

researcher in remote sensing, image processing and geoscience
Professional Interests: remote sensing, image processing, geoscience

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Responded


Re: omit some strings in legend
Thanks a lot. It works!

1 year ago | 1073 views

Posted


omit some strings in legend
Hi . Example is as follows: clear all;close all; xi = linspace(0,4*pi,10); ydatai = cos(xi); x = linspace(0,4*pi,100); ycos = ...

1 year ago | 1073 views

Responded


Re: windows security warnings when matlabpool open
thank you very much for your reply. Mike

3 years ago | 2478 views

Posted


windows security warnings when matlabpool open
Hi When I use matlabpool open, three windows security warnings pop up (http://postimg.org/image/x5ku7iiyv/). Three .exe includ...

3 years ago | 2478 views

Responded


Re: ??? Error using ==> matlabpool at 133
Thank you for suggestion. It helps. Mike

3 years ago | 1732 views

Posted


??? Error using ==> matlabpool at 133
Hi I tried to do parallel running for image processing. After several images have been successfully worked out, then it shows ...

3 years ago | 1732 views

Posted


cluster analysis
Hi I have a series of sorted number, say A=[1 25 26 27 28 40 42 50]; I'd like to cluster it clusters. For every cluster, the d...

3 years ago | 956 views

Posted


find group of numbers are within a specified interval
Hi % Given some sorted date/time numbers, I'd like to find group of % date/time numbers % are within a specified interval...

3 years ago | 939 views

Posted


show circle graphic overlay on X from given row, col
Hi I obtain row,col from [row,col,v] = find(X, ...). I'd like to show a circle graphic overlay on X (a image). I'm wondering h...

3 years ago | 828 views

Posted


black avi using movie2avi
Hi I'd like to generate avi file from a series of images. Every image is like X(1:nrow,1:ncol,1:3), and its value is with [0,1]...

3 years ago | 944 views

Posted


Colormap jet didn't show pixel value of 0
Hi I have a double image, i.e. X with 2-D, with its values ranging from 0 to 11. I use imtool(X), then select Tools->Choose Col...

3 years ago | 785 views

Posted


varargin (no name list) vs. if (has name list)
Hi if one uses varargin, like one doesn't know what name the varargin really is. I try: function varlist2(X,Y) fprintf('%d \n'...

3 years ago | 1606 views

Responded


Re: Variables contract each other for different M files?
Thank you for your reply. Mike

3 years ago | 949 views

Responded


Re: parfor: keep outputs with same output filename
Hi I encounter this problem again and review your suggestion. Allow me to reiterate the problem. What I want to do is to run a ...

3 years ago | 4290 views

Posted


Variables contract each other for different M files?
Hi When I am currently running an A.m file in matlab and this file takes a lot of time, I'd like to edit another B.m file. If I...

3 years ago | 949 views

Responded


Re: if not clear memory then the results are wrong
It is like: m=0; for i=1:nimg end img=img'; There is an warning about img: "variable appears changing on every loop." and it su...

3 years ago | 1002 views

Posted


if not clear memory then the results are wrong
Hi I have several row vectors. I tranpose them with A=A';B=B';C=C'; % I want to save them as column vectors But A,B,C are still...

3 years ago | 707 views

Posted


'F' or 'E' missing in Help
Hi, In Help, I find some words usually 'F' or 'E' are missing. For example, Finding Files in File Exchange Searching and Usin...

3 years ago | 601 views

Posted


urlfilter not found
Hi, " for Help or in Google. Mike

4 years ago | 1776 views

Posted


cell simplify and initilialize
Hi following code needs to be simplified ??? In an assignment A(:) = B, the number of elements in A and B must be the same...

4 years ago | 731 views

Posted


cell simplify and initilialize
Hi following code needs to be simplified ??? In an assignment A(:) = B, the number of elements in A and B must be the same. ...

4 years ago | 1067 views

Posted


with or without [] in fprintf usage
Hi I confuse to use fprintf when with or without [] as codes following: A=magic(3) 7.000000 8.000000 5.000000 6.000000 7.000...

4 years ago | 771 views

Posted


speed up for iteration in every element
Hi Following code takes a lot of time to execute. It is done element by element, because it needs iteration. Could it be faster...

4 years ago | 658 views

Responded


Re: preallocate different sizes of a 2D matrix with a same variable
Thanks for the pingeon-hole messagebox. It helps me to remember. But I think it would be better for different colors and amount ...

4 years ago | 1323 views

Responded


Re: preallocate different sizes of a 2D matrix with a same variable
Thank you very much. Mike

4 years ago | 1323 views

Posted


preallocate different sizes of a 2D matrix with a same variable
Hi ? For example first element is 2 x 2 second element is 3 x 3 I try X=zeros(2,2,1) X=zeros(3,3,2) But sure it doesn't work. M...

4 years ago | 1323 views

Responded


Re: quick way to calculate standard deviation of multiple images
Thank you very much. It really helps me. And, yes, I want to see the change of every pixel through many images. And to see where...

4 years ago | 2685 views

Responded


Re: quick way to calculate standard deviation of multiple images
I want to generate standard deviation image from multiple images. Thanks Mike

4 years ago | 2685 views

Posted


quick way to calculate standard deviation of multiple images
Hi I have n images and want to calculate standard deviation of these images for every pixel. X=zeros(nrow,ncol,nimg); for ir...

4 years ago | 2685 views

Posted


quick way to calculate standard deviation of multiple images
Hi I have n images and want to calculate standard deviation of these images for every pixel. My code is X=zeros(nrow,ncol,nim...

4 years ago | 759 views

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