i can't compile it about wordsnap-ocr HOT 1 OPEN

01-20 17:57:04.323: D/dalvikvm(29763): GC_FOR_MALLOC freed 95K, 48% free 
2972K/5639K, external 22K/512K, paused 28ms
01-20 17:57:04.346: W/dalvikvm(29763): No implementation found for native 
Lnet/bitquill/ocr/image/GrayImage;.nativeMin ([BIIIIII)I
01-20 17:57:04.346: W/dalvikvm(29763): threadid=9: thread exiting with uncaught 
exception (group=0x40015560)
01-20 17:57:04.353: E/AndroidRuntime(29763): FATAL EXCEPTION: OCRThread
01-20 17:57:04.353: E/AndroidRuntime(29763): java.lang.UnsatisfiedLinkError: 
nativeMin
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.image.GrayImage.nativeMin(Native Method)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.image.GrayImage.min(GrayImage.java:60)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.OCRThread.findWordExtent(OCRThread.java:158)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.OCRThread.detectWord(OCRThread.java:92)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.OCRThread.access$0(OCRThread.java:86)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
net.bitquill.ocr.OCRThread$1.handleMessage(OCRThread.java:44)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
android.os.Handler.dispatchMessage(Handler.java:99)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
android.os.Looper.loop(Looper.java:130)
01-20 17:57:04.353: E/AndroidRuntime(29763):    at 
android.os.HandlerThread.run(HandlerThread.java:60)
01-20 17:57:04.363: D/WordCaptureActivity(29763): onPause
01-20 17:57:04.426: D/dalvikvm(29763): GC_CONCURRENT freed 32K, 44% free 
3419K/6023K, external 22K/512K, paused 2ms+3ms
01-20 17:57:16.727: I/Process(29763): Sending signal. PID: 29763 SIG: 9