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POUsing ImageProcessor in ImageJ
 

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  1. POUsing ImageProcessor in ImageJ
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    <p>I am new to java and imageJ. I already loaded one image and get an ImageProcessor which I called <strong>imgproc</strong>. And I found the boundary/box in the image which surround the features. Outside just background. I also found the pixels Matrix of this area. Now I am trying to only process this area in the image. And to do that with a previous existing code(method), my input parameter should be an ImageProcessor. So, my initial thought is to used the duplicate() method to make a copy of <strong>imgproc</strong>. And use the resize method to shrink it down to the size of the box I found before. But this did not work, as I tested with a show image method I have to display it. What I got is just a shrunk black picture. This initial thought is coded here:</p> <pre><code>ImageProcessor Whiteimproc=imgproc.duplicate(); ImageProcessor BWhiteimproc=Whiteimproc.resize(BWhiteMatrix.length,BWhiteMatrix[0].length); BWhiteimproc.setIntArray(BWhiteMatrix); //the next three lines are going to show the image Image ImagetoShow=BWhiteimproc.createImage(); Img ShowImg= new Img(); ShowImg.imgFrame(ImagetoShow,"BWhite");` </code></pre> <p>Then I tried to use ImagePlus and create an new ImageProcessor. And it worked. As shown below:</p> <pre><code>ImagePlus imgWhite=IJ.createImage("white","jpg",BWhiteMatrix.length,BWhiteMatrix[0].length,1); ImageProcessor BWhiteimproc=imgWhite.getProcessor(); BWhiteimproc.setIntArray(BWhiteMatrix); //the next three lines are going to show the image Image ImagetoShow=BWhiteimproc.createImage(); Img ShowImg= new Img(); ShowImg.imgFrame(ImagetoShow,"BWhite"); </code></pre> <p>Would anyone help me with why is that? And I do know why I could not use ImageProcessor to define an new object of ImageProcessor Class.</p> <p>Thanks</p>
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    1. USLiu
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    1. COYou are mixing all kinds of classes here: `ImagePlus`and `ImageProcessor` belong to core ImageJ, but where do you import `Image` and `Img` from? I recommend to follow a tutorial like [this one](http://www.rierol.net/imagej_programming_tutorials.html#ImageJ%20programming%20basics) to get started.
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      1. POUsing ImageProcessor in ImageJ
      1. USJan Eglinger
 

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