Native method not found: org.opencv.core.Mat.n_Mat:(DDI)J

[manees444]

in this project i am having this issue, kindly help me to solve the problem
11-07 13:04:06.364 23164-23164/com.masha.Document.Scanner.HD.Image E/dalvikvm: heapsize Dalvik_dalvik_system_VMRuntime_nativeMinimumHeapSize 0
11-07 13:04:06.364 23164-23164/com.masha.Document.Scanner.HD.Image E/dalvikvm: heapsize Dalvik_dalvik_system_VMRuntime_nativeMinimumHeapSize 11442880
11-07 13:04:06.424 23164-23164/com.masha.Document.Scanner.HD.Image E/OpenCV/StaticHelper: OpenCV error: Cannot load info library for OpenCV
11-07 13:04:06.694 23164-23164/com.masha.Document.Scanner.HD.Image E/dalvikvm: Could not find class 'android.graphics.drawable.RippleDrawable', referenced from method android.support.v7.widget.AppCompatImageHelper.hasOverlappingRendering
11-07 13:04:19.246 23164-23164/com.masha.Document.Scanner.HD.Image E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.masha.Document.Scanner.HD.Image, PID: 23164
java.lang.UnsatisfiedLinkError: Native method not found: org.opencv.core.Mat.n_Mat:(DDI)J
at org.opencv.core.Mat.n_Mat(Native Method)
at org.opencv.core.Mat.(Mat.java:50)
at com.masha.Document.Scanner.HD.Image.DocumentScannerActivity.onPreviewFrame(DocumentScannerActivity.java:940)
at android.hardware.Camera$EventHandler.handleMessage(Camera.java:971)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5421)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:979)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:795)
at dalvik.system.NativeStart.main(Native Method)
11-07 13:04:19.357 23164-23174/com.masha.Document.Scanner.HD.Image E/System: Uncaught exception thrown by finalizer
11-07 13:04:19.357 23164-23174/com.masha.Document.Scanner.HD.Image E/System: java.lang.UnsatisfiedLinkError: Native method not found: org.opencv.core.Mat.n_delete:(J)V
at org.opencv.core.Mat.n_delete(Native Method)
at org.opencv.core.Mat.finalize(Mat.java:911)
at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:190)
at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:172)
at java.lang.Thread.run(Thread.java:862)