1.Install Opencv
2.Put opencv_2.4.13\build\java: opencv-2413.jar to project
3.Put opencv_2.4.13\build\java\x64: opencv_java2413.dll to your java jdk path: jdk/bin
4.Unzip the tess4j.jar find tess4j-3.2.1.jar\win32-x86-64: libtesseract304.dll, then put it into C:/Windows/SysWow64(64bit system)