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rshuanghe

铜虫 (小有名气)

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专业: 光学

[求助] 输入变量太多，怎么办？

>> info=imaqhwinfo

info =

InstalledAdaptors: {'winvideo'}
      MATLABVersion: '7.0 (R14)'
      ToolboxName: 'Image Acquisition Toolbox'
   ToolboxVersion: '1.5 (R14)'

>> win_info=imaqhwinfo('winvideo')%

win_info =

   AdaptorDllName: [1x60 char]
AdaptorDllVersion: '1.5 (R14)'
      AdaptorName: 'winvideo'
         DeviceIDs: {[1]}
         DeviceInfo: [1x1 struct]

>> win_info.DeviceIDs

ans =

[1]

>>  dev_win_info=win_info.DeviceInfo

dev_win_info =

      DefaultFormat: 'YUY2_640x480'
DeviceFileSupported: 0
         DeviceName: 'Vimicro USB2.0 UVC PC Camera'
            DeviceID: 1
   ObjectConstructor: 'videoinput('winvideo', 1)'
   SupportedFormats: {1x5 cell}

>> dev_win_info.SupportedFormats%

ans =

  Columns 1 through 4

'YUY2_640x480' 'YUY2_352x288' 'YUY2_320x240' 'YUY2_176x144'

  Column 5

'YUY2_160x120'

>>  obj = videoinput('winvideo',1,'YUY2_320x240')%

Summary of Video Input Object Using 'Vimicro USB2.0 UVC PC Camera'.

Acquisition Source(s):  input1 is available.

  Acquisition Parameters:  'input1' is the current selected source.
                        10 frames per trigger using the selected source.
                        'YUY2_320x240' video data to be logged upon START.
                        Grabbing first of every 1 frame(s).
                        Log data to 'memory' on trigger.

   Trigger Parameters:  1 'immediate' trigger(s) on START.

               Status:  Waiting for START.
                        0 frames acquired since starting.
                        0 frames available for GETDATA.

>> vidRes = get(obj, 'VideoResolution');
nBands = get(obj, 'NumberOfBands');
figure()%
axes()%
hImage = image( zeros(vidRes(2), vidRes(1), nBands) );
preview(obj, hImage);
??? Error using ==> imaqdevice.preview
Too many input arguments.

>> 咋么办？

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