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NPE failed to run image-classifier
xuyuanli
Join Date: 7 Jul 21
Posts: 1
Posted: Sun, 2021-07-18 20:36
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I follow Qualcomm Neural Processing Engine official tutorial to build the Android sample app. I used caffe and converted dlc to example image classifier, build network seems no problem, then I click an image to classify, there is error like this

07-19 09:54:41.307 13708 13855 E AndroidRuntime: FATAL EXCEPTION: AsyncTask #2
07-19 09:54:41.307 13708 13855 E AndroidRuntime: Process: com.qualcomm.qti.snpe.imageclassifiers, PID: 13708
07-19 09:54:41.307 13708 13855 E AndroidRuntime: java.lang.RuntimeException: An error occurred while executing doInBackground()
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at android.os.AsyncTask$4.done(AsyncTask.java:399)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.FutureTask.run(FutureTask.java:271)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.lang.Thread.run(Thread.java:919)
07-19 09:54:41.307 13708 13855 E AndroidRuntime: Caused by: java.nio.BufferUnderflowException
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.nio.Buffer.nextGetIndex(Buffer.java:515)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.nio.ByteBufferAsFloatBuffer.get(ByteBufferAsFloatBuffer.java:92)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at com.qualcomm.qti.snpe.imageclassifiers.tasks.AbstractClassifyImageTask.preProcess(AbstractClassifyImageTask.java:202)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at com.qualcomm.qti.snpe.imageclassifiers.tasks.AbstractClassifyImageTask.extractColorChannels(AbstractClassifyImageTask.java:186)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at com.qualcomm.qti.snpe.imageclassifiers.tasks.AbstractClassifyImageTask.loadRgbBitmapAsFloat(AbstractClassifyImageTask.java:115)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at com.qualcomm.qti.snpe.imageclassifiers.tasks.ClassifyImageWithFloatTensorTask.doInBackground(ClassifyImageWithFloatTensorTask.java:45)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at com.qualcomm.qti.snpe.imageclassifiers.tasks.ClassifyImageWithFloatTensorTask.doInBackground(ClassifyImageWithFloatTensorTask.java:23)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at android.os.AsyncTask$3.call(AsyncTask.java:378)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     at java.util.concurrent.FutureTask.run(FutureTask.java:266)
07-19 09:54:41.307 13708 13855 E AndroidRuntime:     ... 4 more

What's wrong about this ?How can I solve this problem?

Thank  you in advance.

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