Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
at java.awt.image.DataBufferInt.<init>(Unknown Source)
at java.awt.image.Raster.createPackedRaster(Unknown Source)
at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
at sun.awt.image.SunVolatileImage.getBackupImage(Unknown Source)
at sun.awt.image.VolatileSurfaceManager.getBackupSurface(Unknown Source)
at sun.awt.image.VolatileSurfaceManager.initialize(Unknown Source)
at sun.awt.image.SunVolatileImage.<init>(Unknown Source)
at sun.awt.image.SunVolatileImage.<init>(Unknown Source)
at sun.awt.image.SunVolatileImage.<init>(Unknown Source)
at sun.awt.image.SunVolatileImage.<init>(Unknown Source)
at sun.awt.windows.WComponentPeer.createVolatileImage(Unknown Source)
at java.awt.Component.createVolatileImage(Unknown Source)
at java.awt.Component$BltBufferStrategy.createBackBuffers(Unknown Source)
at java.awt.Component$BltBufferStrategy.<init>(Unknown Source)
at java.awt.Component$BltSubRegionBufferStrategy.<init>(Unknown Source)
at java.awt.Component.createBufferStrategy(Unknown Source)
at java.awt.Window.createBufferStrategy(Unknown Source)
at javax.swing.BufferStrategyPaintManager$BufferInfo.createBufferStrategy(Unknown Source)
at javax.swing.BufferStrategyPaintManager$BufferInfo.createBufferStrategy(Unknown Source)
at javax.swing.BufferStrategyPaintManager$BufferInfo.getBufferStrategy(Unknown Source)
at javax.swing.BufferStrategyPaintManager.prepare(Unknown Source)
at javax.swing.BufferStrategyPaintManager.paint(Unknown Source)
at javax.swing.RepaintManager.paint(Unknown Source)
at javax.swing.JComponent.paint(Unknown Source)
at java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
at sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
at sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
at java.awt.Container.paint(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.seqPaintDirtyRegions(Unknown Source)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown Source)
??? Error using ==> print at 310
Error using ==> get
Invalid handle object.
Error in ==> saveas at 159
print( h, name, ['-d' dev{i}] )
matlab运行时出现的问题，解决方法：
1：Java heap space不足，增加分配的Java heap space， 在Preferences->General->Java Heap Memory。或者在采集过程中及时关闭打开的图像。
2：在C:\Users\$username$\AppData\Roaming\MathWorks\MATLAB\R2013a目录下，找到matlab.prf文件。。。编辑模式下在最后一行添加
JavaMemHeapMax=I190000