How to change the source camera?

Question

Amardeep Singh 2015-6-18

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https://ww2.mathworks.cn/matlabcentral/answers/224355-how-to-change-the-source-camera

编辑： Adib Yusof 2020-10-5

I want to capture an image through "BAUMER" "Gige" Camera (external camera), currently i'm capturing an image through in built webcam in my laptop.How to change this please do tell.

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Answer 1

Walter Roberson 2015-6-18

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https://ww2.mathworks.cn/matlabcentral/answers/224355-how-to-change-the-source-camera#answer_183110

在 MATLAB Online 中打开

g = gigecam();   %associate with first available one
img = snapshot(g);  %get a frame

Or you can continue to use videoinput objects. For a working example see http://www.mathworks.com/matlabcentral/fileexchange/46879-gigeacq-m

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Amardeep Singh 2015-6-18

编辑：Walter Roberson 2015-6-18

在 MATLAB Online 中打开

>> g = gigecam();   %associate with first available one
img = snapshot(g);  %get a frame
Undefined function or variable 'gigecam'.

Walter Roberson 2015-6-18

You need to install the drivers.

http://www.mathworks.com/help/imaq/installing-the-support-packages-for-image-acquisition-toolbox-adaptors.html

Note: GigE Camera support requires the Image Acquisition Toolbox

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Answer 2

Adib Yusof 2020-10-5

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/224355-how-to-change-the-source-camera#answer_505093

编辑：Adib Yusof 2020-10-5

在 MATLAB Online 中打开

Try:

webcamlist

to see the list of installed cameras. By default, the built-in camera is camera no 1, and other external cameras are camera 2, 3 and so on. Check the number for the camera you wanna use. Then, when creating the webcam object, pass the number (for example the camera number you wanna use is 2) like this:

Cam = webcam(2)

Hope it helps!