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change the resolution in image acquired by webcam command

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Adithya Chakilam
Adithya Chakilam 2017-1-17
评论： Walter Roberson 2017-1-23
the command i am using is
vid = webcam;
img= snapshot(vid);
and is there also a way i can crop the input image to specified region of interest?

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sanakhan
sanakhan 2017-1-23
编辑：sanakhan 2017-1-23
cam.AvailableResolutions
check your camera available resolutions
Change the resolution.
cam.Resolution = '630x400';
for more help check the following link
https://www.mathworks.com/help/supportpkg/usbwebcams/ug/set-properties-for-webcam-acquisition.html
  1 个评论
Walter Roberson
Walter Roberson 2017-1-23
Correct. On some cameras you can request a resolution, and on some cameras you can request a crop. What you can do with a particular camera can depend on which interface you use for it, which connector and which driver. IP and GigE cameras tend to be more configurable.

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sanakhan
sanakhan 2017-1-23
pls clarify ur question

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