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UnsatisfiedLinkError: CascadeClassifier_1

asked 2013-02-12 19:37:41 -0500

Jibo He gravatar image

updated 2013-02-12 23:22:13 -0500

Hello, everyone,

I am trying to use the face-detection example of opencv4android. I run into the following errors. I do not find much information on how to solve it using google. Can someone teach me how to solve this? Thanks!

02-12 19:28:47.163: E/AndroidRuntime(17824): FATAL EXCEPTION: main
02-12 19:28:47.163: E/AndroidRuntime(17824): java.lang.
UnsatisfiedLinkError: CascadeClassifier_1
02-12 19:28:47.163: E/AndroidRuntime(17824):     at org.opencv.objdetect.CascadeClassifier.CascadeClassifier_1(Native Method)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at org.opencv.objdetect.CascadeClassifier.<init>(CascadeClassifier.java:58)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at smartsensing.statefarm.org.FdView.<init>(FdView.java:162)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at smartsensing.statefarm.org.FdActivity.onCreate(FdActivity.java:68)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1050)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.ActivityThread.access$1500(ActivityThread.java:117)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.os.Handler.dispatchMessage(Handler.java:99)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.os.Looper.loop(Looper.java:130)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at android.app.ActivityThread.main(ActivityThread.java:3691)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at java.lang.reflect.Method.invokeNative(Native Method)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at java.lang.reflect.Method.invoke(Method.java:507)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:912)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:670)
02-12 19:28:47.163: E/AndroidRuntime(17824):     at dalvik.system.NativeStart.main(Native Method)
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answered 2013-02-12 23:29:12 -0500

It looks like you try to create org.opencv.objdetect.CascadeClassifier object before OpenCV library initialization. Any OpenCV object can be used only after successful library initialization with OpenCV Manager or using InitDebug() method. In your case you need to move CascadeClassifier object construction to code that is executed in successful case of onManagerConnected callback or after it.

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Your solution was fixed my error, I move all OpenCV function after InitDebug() Thanks

vohungvi gravatar imagevohungvi ( 2016-01-28 05:14:29 -0500 )edit
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Asked: 2013-02-12 19:37:41 -0500

Seen: 2,201 times

Last updated: Feb 12 '13