webcam input not accessible in matlab

Question

theking 2018-2-27

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/385272-webcam-input-not-accessible-in-matlab

回答： Sanika Patil 2023-11-24

this question regarding the "winvideo" input I am want to access the dell build in webcam so it shows error line when I try to run program. but if I use cam=webcam then I can access the webcam it shows the video and I also reinstall image accusation package toolbox several time. I am using Matlab 2015a. any advice deeply appreciates.

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theking 2018-2-27

yes sir i did when try to open webcam in preview mode it can open. but i use obj=videoinput('winvideo',1,'MJPG_1280x720');

error detail below:

syntax Error using videoinput (line 393) Undefined variable "imaq" or class "imaq.winvideo1_1_source". Error in ColorDetectioninMATLABLiveVideo (line 2) obj=videoinput('winvideo',1,'MJPG_1280x720');

theking 2018-3-21

able to solve the issue by uninstall it and reinstall matlab . thx walter robertson for install support packge really help.

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Answer 1

Sanika Patil 2023-11-24

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/385272-webcam-input-not-accessible-in-matlab#answer_1359142

this question regarding the "winvideo" input I am want to access the dell build in webcam so it shows error line when I try to run program. but if I use cam=webcam then I can access the webcam it shows the video