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Mouse Pointer in front of the webcam project - code error

1 次查看（过去 30 天）
QMUL Formula Student Gandhi
关闭： MATLAB Answer Bot 2021-8-20
??? Undefined function or method 'Mouse' for input arguments of type 'char'.
this is the error when I try to run this code, pls help!!!
Code for recognising my hand on the webcam to move the mouse pointer:
vid = videoinput('winvideo',2,'rgb24_320x240'); %preview(vid) % background template bgrnd=getsnapshot(vid); final_bg_template = rgb2gray(bgrnd); cx=100; cy=100; while(1) % extraction of hand frgrnd=getsnapshot(vid); final_frgrnd=rgb2gray(frgrnd); img_subtracted=final_frgrnd-final_bg_template; % binary image of hand % imview(img_subtracted); [m n]=size(img_subtracted); for i=1:m for j=1:n % [EDITED, Jan Simon]: Was "j-1:n" if(img_subtracted(i,j)<25) img_subtracted_bin(i,j)=0; else img_subtracted_bin(i,j)=1; end end end [m n]=size(img_subtracted_bin); % xy coordinates of topmost point for p=m:-1:1 for q=n:-1:1 if(img_subtracted_bin(p,q)==1) x_top=q; y_top=p; end end end cy=x_top; cx=y_top; % [cx cy] = centroid(img_subtracted_bin); set (0,'PointerLocation',[cx*4 cy*3.33]); imshow(img_subtracted_bin); end
  2 个评论
Walter Roberson
Walter Roberson 2012-1-24
Duplicate is at http://www.mathworks.com/matlabcentral/answers/25477-mouse-pointer-in-front-of-the-webcam-project-code-error
Walter Roberson
Walter Roberson 2012-1-24
http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup

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回答（1 个）

Walter Roberson
Walter Roberson 2012-1-24
There is no reference to Mouse in the code you show. Please show the traceback from the place the message is encountered back to the code you posted.
Better yet would be to merge the above code and the traceback in to your previous question.

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