Image is not displayed using imshow (Digital Image Processing)

Question

Nikhil 2016-5-2

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/282053-image-is-not-displayed-using-imshow-digital-image-processing

评论： CS Researcher 2016-5-2

COMSOL Model.jpg

Hello All,

I am new to the Digital Image processing using MATLAB. I tried one simple example given in the tutorials but I am not getting any output. So can somebody please tell me where am I going wrong? Code is as follows:

I = imread('COMSOL Model.jpg');
imshow(I);

The file which is supposed to display is also attached. I am getting empty plot/figure after running this code. So can somebody tell me what is going wrong here?

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Nikhil 2016-5-2

在 MATLAB Online 中打开

Hey, Thanks for reply, I am using MATLAB R2014b. I am getting following messages in command window when I run this code.

Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: Profile GL_DEFAULT is not available on WindowsGraphicsDevice[type .windows, connection decon, unitID 0, handle 0x0, owner false, NullToolkitLock[]], but: []
  at javax.media.opengl.GLProfile.get(GLProfile.java:901)
  at javax.media.opengl.GLProfile.getDefault(GLProfile.java:632)
  at javax.media.opengl.GLCapabilities.<init>(GLCapabilities.java:84)
  at com.mathworks.hg.peer.JavaSceneServerPeer.getCaps(JavaSceneServerPeer.java:147)
  at com.mathworks.hg.peer.JavaSceneServerPeer.doCreateCanvas(JavaSceneServerPeer.java:676)
  at com.mathworks.hg.peer.JavaSceneServerPeer.access$200(JavaSceneServerPeer.java:50)
  at com.mathworks.hg.peer.JavaSceneServerPeer$2.run(JavaSceneServerPeer.java:650)
  at java.awt.event.InvocationEvent.dispatch(Unknown Source)
  at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
  at java.awt.EventQueue.access$200(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
  at java.awt.EventQueue.dispatchEvent(Unknown Source)
  at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" javax.media.opengl.GLException: Profile GL_DEFAULT is not available on WindowsGraphicsDevice[type .windows, connection decon, unitID 0, handle 0x0, owner false, NullToolkitLock[]], but: []
  at javax.media.opengl.GLProfile.get(GLProfile.java:901)
  at javax.media.opengl.GLProfile.getDefault(GLProfile.java:632)
  at javax.media.opengl.GLCapabilities.<init>(GLCapabilities.java:84)
  at com.mathworks.hg.peer.JavaSceneServerPeer.getCaps(JavaSceneServerPeer.java:147)
  at com.mathworks.hg.peer.JavaSceneServerPeer.doCreateCanvas(JavaSceneServerPeer.java:676)
  at com.mathworks.hg.peer.JavaSceneServerPeer.access$200(JavaSceneServerPeer.java:50)
  at com.mathworks.hg.peer.JavaSceneServerPeer$2.run(JavaSceneServerPeer.java:650)
  at java.awt.event.InvocationEvent.dispatch(Unknown Source)
  at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
  at java.awt.EventQueue.access$200(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.awt.EventQueue$3.run(Unknown Source)
  at java.security.AccessController.doPrivileged(Native Method)
  at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
  at java.awt.EventQueue.dispatchEvent(Unknown Source)
  at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
  at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
  at java.awt.EventDispatchThread.run(Unknown Source)

Image Analyst 2016-5-2

I'd call the Mathworks on that one. Of course, why don't you just try upgrading to R2016a?

CS Researcher 2016-5-2

It seems the OpenGL drivers of your system are outdated. Restart MATLAB and try to plot again. If you still get the same error, try plotting a basic plot. if it does not work, you might have to upgrade your drivers.

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