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2014-06-02 02:58:45 -0600	commented question	Deskew letters I have, the letters will then be positioned with the longest size horizontally. This creates a better position for the 'G', yet still not a correct position and the rest of the characters will be worse off. It looks like this:
2014-06-02 00:07:42 -0600	received badge	● Student (source)
2014-06-01 15:57:02 -0600	asked a question	Deskew letters Hello, I have been looking for a way to de-skew characters to be later used for OCR purposes, but haven't been able to find or think of a way to accomplish it, thought maybe anyone had a good idea or could point me in the right direction. Here's the problem: These are the filled contours of the plate's text I've retrieved from an image. The plate has already been de-skewed by applying a perspective warp on the minRectArea which fixes the rotation problem, but there's still a slight vertical skew to each letter that seems to be problematic for Tesseract, the OCR engine I'm using. If I try to apply another perspective warp to each individual character, the same way I did to the plate, I get the following undesired results: Any ideas or pointers on how to fix this? Thanks
2014-02-11 04:50:26 -0600	asked a question	Error when linking libnative_camera_r2.2.0.so - QT + OpenCV4Android Hi, I've been trying to run OpenCV4Android 2.4.8 along with QT 5.2 to create an android app, but I got stuck with the following error when deploying the app: /dalvikvm(16441): dlopen("/data/app-lib/org.app-1/libnative_camera_r2.2.0.so") failed: Cannot load library: soinfo_relocate(linker.cpp:975): cannot locate symbol "_ZN7android6Camera17setPreviewDisplayERKNS_2spINS_8ISurfaceEEE" referenced by "libnative_camera_r2.2.0.so"... W/System.err(16441): java.lang.reflect.InvocationTargetException W/System.err(16441): at java.lang.reflect.Method.invokeNative(Native Method) W/System.err(16441): at java.lang.reflect.Method.invoke(Method.java:511) W/System.err(16441): at org.qtproject.qt5.android.bindings.QtActivity.loadApplication(QtActivity.java:237) W/System.err(16441): at org.qtproject.qt5.android.bindings.QtActivity.startApp(QtActivity.java:634) W/System.err(16441): at org.qtproject.qt5.android.bindings.QtActivity.onCreate(QtActivity.java:863) W/System.err(16441): at android.app.Activity.performCreate(Activity.java:5165) W/System.err(16441): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1103) W/System.err(16441): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2419) W/System.err(16441): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2520) W/System.err(16441): at android.app.ActivityThread.access$600(ActivityThread.java:162) W/System.err(16441): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1366) W/System.err(16441): at android.os.Handler.dispatchMessage(Handler.java:99) W/System.err(16441): at android.os.Looper.loop(Looper.java:158) W/System.err(16441): at android.app.ActivityThread.main(ActivityThread.java:5751) W/System.err(16441): at java.lang.reflect.Method.invokeNative(Native Method) W/System.err(16441): at java.lang.reflect.Method.invoke(Method.java:511) W/System.err(16441): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1083) W/System.err(16441): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:850) W/System.err(16441): at dalvik.system.NativeStart.main(Native Method) W/System.err(16441): Caused by: java.lang.UnsatisfiedLinkError: Cannot load library: soinfo_relocate(linker.cpp:975): cannot locate symbol "_ZN7android6Camera17setPreviewDisplayERKNS_2spINS_8ISurfaceEEE" referenced by "libnative_camera_r2.2.0.so"... W/System.err(16441): at java.lang.Runtime.load(Runtime.java:340) W/System.err(16441): at java.lang.System.load(System.java:521) W/System.err(16441): at org.qtproject.qt5.android.QtNative.loadBundledLibraries(QtNative.java:150) W/System.err(16441): at org.qtproject.qt5.android.QtActivityDelegate.loadApplication(QtActivityDelegate.java:410) W/System.err(16441): ... 19 more My .pro file looks like the following: # Add more folders to ship with the application, here folder_01.source = qml/app folder_01.target = qml DEPLOYMENTFOLDERS = folder_01 # Additional import path used to resolve QML modules in Creator's code model QML_IMPORT_PATH = # The .cpp file which was generated for your project. Feel free to hack it. SOURCES += main.cpp # OpenCv Configuration #INCLUDEPATH += /usr/include/opencv #INCLUDEPATH += /usr/include/opencv2 #INCLUDEPATH += /usr/include #INCLUDEPATH += /usr/include/opencv2/core ANDROID_OPENCV = /home/valorcurse/Qt/android/opencv LIBS += \ $$ANDROID_OPENCV/libs/armeabi-v7a/libopencv_calib3d.a \ $$ANDROID_OPENCV/libs/armeabi-v7a/libopencv_flann.a \ $$ANDROID_OPENCV/libs/armeabi-v7a/libopencv_objdetect.a \ $$ANDROID_OPENCV/libs/armeabi-v7a/libopencv_contrib.a ... (more)