Chaowei Chen

University of Maryland

2011 年からアクティブ

Followers: 1 Following: 0

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Professional Interests: Human machine interface, integration of software and hardware, image processing, microscopy, convex optimization

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Creating a movie sequence from rgb images
for frame_idx = start_frame:end_frame image = dataset(:,:,frame_idx); msk = mask_stack(:,:,frame_idx); ...

7年以上前 | 0

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The command line is too long. Error: An error occurred while shelling out to javac (error code = 1). Unable to build executable.
I am using mcc to build java classes from .m files The command is following: mcc -W "java:matlabapi,DefaultClass" -T lin...

約9年前 | 0 件の回答 | 0

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約9年前 | 1 件の回答 | 0

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約9年前 | 0 件の回答 | 0

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Sudoku
Solves sudoku puzzle. Generates all possible answers.

11年以上前 | ダウンロード 1 件 |

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google
google.m is a simple shell interface to initiate Google search in Matlab.

11年以上前 | ダウンロード 1 件 |

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remove varables in MAT file(s)
Want to delete same variables in possibly many MAT files? removevar is for you!

11年以上前 | ダウンロード 2 件 |

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select current object
select current object by buttons. Each button represents one object which is either axes, image, etc

12年弱前 | ダウンロード 1 件 |

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saves variables into MAT file matfile
saves variables into MAT file matfile

12年弱前 | ダウンロード 1 件 |

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loads one variable from MAT-file(s) into workspace
Need to load a same variable from a list of MAT files? This is for you!

12年弱前 | ダウンロード 1 件 |

質問

change shorkeys "ctrl+shift+0" for editor
I understand that ctrl+shift+0 focuses window to the editor. I wonder if it is possible to change "ctrl+shift+0" to "ctrl+~" fo...

約12年前 | 1 件の回答 | 0

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how to set position and outerposition respectively the same as from another axes?
I want to display a scalebar on a 3d plot. When I rotate the 3d plot, I want to keep the scalebar still. The way I approach it i...

12年以上前 | 1 件の回答 | 0

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how to draw a hyperboloid?
[x,y]=meshgrid(-10:10); r_sq=x.^2+y.^2; z=sqrt(r_sq+1); surf(x,y,z)

約13年前 | 0

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make result matrix for comparing of (for example) 20 inputs matrix with 20 refrences matrix
You can use cell matrix, which contains mixed type of values. In your case, the first column and row are string while the rest ...

約13年前 | 1

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How to catch reaction time with MATLAB; How to save text file from command window automatically
1. doc diary 2. I think the problem happens at kp=find(kp) It means wherever kp is nonzero, assign the position to kp. My m...

約13年前 | 0

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Inline Indexing to Dynamic Field Names
Varnames={'var1', 'var2', 'varx', 'vary'}; %if varx is scalar TestStruct.(Varnames{1,3}) = 0 %if varx is array TestS...

約13年前 | 1

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To get dominant eigen vector
[U,S,V]=svd(C) gives you the singular value decomposition of C. i.e., C=U*S*V' where the singular values S are in decreasing or...

約13年前 | 1

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how to draw tangent line simulink graph ?
function plot_tangent(x,y) if nargin<2, x=1:0.01:10;y=sin(x); end s=diff(y)./diff(x); f_tangent=@(a...

約13年前 | 0

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Play Video in MATLAB GUI with other Objects
function main [f,p]=uigetfile('*.avi');cd(p) h_play=uicontrol('style','pushbutton','callback',@play_vid,'string','pl...

約13年前 | 0

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Play Video in MATLAB GUI with other Objects
function main vid = videoinput('winvideo', 1); figure; h_play=uicontrol('style','pushbutton','callback',@play_vid,'stri...

約13年前 | 0

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Play Video in MATLAB GUI with other Objects
function main(var_3D) if nargin<1, var_3D=randn(100,100,100);end [R,C,Frame]=size(var_3D); h_play=uicontrol('st...

約13年前 | 0

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How to use spatial image coordinates to get image pixel values??
You are almost there. ROI=roipoly(img); pixValue=img(ROI);

約13年前 | 0

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How to scan a user-input sentence/phrase for the individual words
Just a subtle improvement to Jiang's approach. (To get rid of the period symbol) InputText='This is is my testing speech.'; ...

約13年前 | 0

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How can i extend my graph to a certain point in the graph
I think you probably just want to do axis([0 16 0 500])

約13年前 | 1

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autocorrelate rows of matrix without using a for loop
The idea is to convert mat to cell since each row is independent. After processing, convert cell back to mat. a2=mat2cell(a,...

約13年前 | 0

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I need to import a file of unsupported format into Matlab (multiple image sequence)
Does the file follows a certain format like tif? In this case, frame_k = imread('filename.tif',k); If it is a custom format,...

13年以上前 | 0

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Delete/Hide points of a surface
figure;hold on; h1=plot(1,1,'b.'); h2=plot(2,2,'r.'); hold off % if you want to hide h2 set(h2,'visible','off') % if...

13年以上前 | 0

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put time stamp on video using videowrite
clc;clear;close all vid = videoinput('winvideo', 1); set(vid,'TriggerRepeat',Inf); vid.FrameGrabInterval = 1; vid_sr...

13年以上前 | 1

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Generalized eigenvalue problem
If V'*B*V = I, This indicates B is identity matrix, therefore, simply [V,D] = eig(A)

13年以上前 | 0

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Change file extension from .wav to .res
Supposing you just want to rename the file, do this ! ren temp.wav temp.res

13年以上前 | 0

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Chaowei Chen

University of Maryland

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