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Chaowei Chen


University of Maryland

Con actividad desde 2011

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

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

más de 6 años hace | 0

| aceptada

Pregunta


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...

más de 8 años hace | 0 respuestas | 0

0

respuestas

Pregunta


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 link:li...

más de 8 años hace | 1 respuesta | 0

1

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Pregunta


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 link:li...

más de 8 años hace | 0 respuestas | 0

0

respuestas

Enviada


Sudoku
Solves sudoku puzzle. Generates all possible answers.

casi 11 años hace | 1 descarga |

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

alrededor de 11 años hace | 1 descarga |

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

alrededor de 11 años hace | 2 descargas |

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

alrededor de 11 años hace | 1 descarga |

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

alrededor de 11 años hace | 1 descarga |

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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!

alrededor de 11 años hace | 1 descarga |

Pregunta


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...

más de 11 años hace | 1 respuesta | 0

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Pregunta


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...

casi 12 años hace | 1 respuesta | 0

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Respondida
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)

más de 12 años hace | 0

Respondida
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 ...

más de 12 años hace | 1

| aceptada

Respondida
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...

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 1

Respondida
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...

más de 12 años hace | 1

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Respondida
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...

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 0

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

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 0

| aceptada

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

más de 12 años hace | 0

Respondida
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.'; ...

más de 12 años hace | 0

Respondida
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])

más de 12 años hace | 1

Respondida
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,...

más de 12 años hace | 0

Respondida
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,...

más de 12 años hace | 0

Respondida
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...

más de 12 años hace | 0

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

más de 12 años hace | 1

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

más de 12 años hace | 0

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

más de 12 años hace | 0

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