Java运行时环境已检测到致命错误：Java中的OpenCV椭圆检测
[英]fatal error has been detected by the Java Runtime Environment: OpenCV ellipse detection in Java
问题描述
我们试图将c ++代码从图像检测到的硬币（和适合的椭圆）转换为Java。 解决了Java中的OpenCV椭圆检测问题“线程问题”中的第一个问题之后，使用参数启动程序
2 PathToThePicture
导致以下致命错误
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000005addc330, pid=1700, tid=1472
#
# JRE version: Java(TM) SE Runtime Environment (7.0_45-b18) (build 1.7.0_45-b18)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.45-b08 mixed mode windows-amd64 compressed oops)
# Problematic frame:
# C [msvcr100.dll+0x3c330]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# An error report file with more information is saved as:
# PathToTheProject\hs_err_pid1700.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
错误报告：
#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x670d26df, pid=2832, tid=5672
#
# JRE version: Java(TM) SE Runtime Environment (7.0_51-b13) (build 1.7.0_51-b13)
# Java VM: Java HotSpot(TM) Client VM (24.51-b03 mixed mode, sharing windows-x86 )
# Problematic frame:
# C [msvcr100.dll+0x26df]
#
# Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
#
# If you would like to submit a bug report, please visit:
# http://bugreport.sun.com/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#
--------------- T H R E A D ---------------
Current thread (0x004eb800): JavaThread "main" [_thread_in_native, id=5672, stack(0x00570000,0x005c0000)]
siginfo: ExceptionCode=0xc0000005, writing address 0x00000000
Registers:
EAX=0x00000000, EBX=0x005bfb7c, ECX=0x00000016, EDX=0x00000000
ESP=0x005bfaf4, EBP=0x005bfb18, ESI=0x004eb930, EDI=0x00000000
EIP=0x670d26df, EFLAGS=0x00010202
Top of Stack: (sp=0x005bfaf4)
0x005bfaf4: 00000000 670c1eb2 00000000 00000000
0x005bfb04: 00000058 004eb800 34a45f90 34a45f90
0x005bfb14: 004eb930 005bfb60 0226a9dd 004eb930
0x005bfb24: 005bfb68 005bfb7c 00000000 00000058
0x005bfb34: 00000000 004ec15c 004ec15c 005bfb40
0x005bfb44: 34a45f90 005bfb7c 34aaf550 00000000
0x005bfb54: 34a45f90 00000000 005bfb70 005bfba0
0x005bfb64: 0226339a 24ef55f8 022688e6 00000058
Instructions: (pc=0x670d26df)
0x670d26bf: 83 c7 01 83 e9 01 75 f6 8b c8 c1 e0 08 03 c1 8b
0x670d26cf: c8 c1 e0 10 03 c1 8b ca 83 e2 03 c1 e9 02 74 06
0x670d26df: f3 ab 85 d2 74 0a 88 07 83 c7 01 83 ea 01 75 f6
0x670d26ef: 8b 44 24 08 5f c3 8b 44 24 04 c3 90 90 90 90 90
Register to memory mapping:
EAX=0x00000000 is an unknown value
EBX=0x005bfb7c is pointing into the stack for thread: 0x004eb800
ECX=0x00000016 is an unknown value
EDX=0x00000000 is an unknown value
ESP=0x005bfaf4 is pointing into the stack for thread: 0x004eb800
EBP=0x005bfb18 is pointing into the stack for thread: 0x004eb800
ESI=0x004eb930 is an unknown value
EDI=0x00000000 is an unknown value
Stack: [0x00570000,0x005c0000], sp=0x005bfaf4, free space=318k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C [msvcr100.dll+0x26df]
j com.googlecode.javacpp.Pointer.memset(Lcom/googlecode/javacpp/Pointer;IJ)Lcom/googlecode/javacpp/Pointer;+0
j com.googlecode.javacpp.Pointer.fill(I)Lcom/googlecode/javacpp/Pointer;+107
j com.googlecode.javacpp.Pointer.zero()Lcom/googlecode/javacpp/Pointer;+2
j com.googlecode.javacv.cpp.opencv_core$CvSeq.<init>()V+9
j com.googlecode.javacv.cpp.opencv_core$CvContour.<init>()V+1
j Dieter.main([Ljava/lang/String;)V+67
v ~StubRoutines::call_stub
V [jvm.dll+0x13f35a]
V [jvm.dll+0x202c6e]
V [jvm.dll+0x13f3dd]
V [jvm.dll+0xc9945]
V [jvm.dll+0xd45e7]
C [javaw.exe+0x2070]
C [javaw.exe+0xa5b1]
C [javaw.exe+0xa63b]
C [KERNEL32.DLL+0x1495d]
C [ntdll.dll+0x498ee]
C [ntdll.dll+0x498c4]
Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j com.googlecode.javacpp.Pointer.memset(Lcom/googlecode/javacpp/Pointer;IJ)Lcom/googlecode/javacpp/Pointer;+0
j com.googlecode.javacpp.Pointer.fill(I)Lcom/googlecode/javacpp/Pointer;+107
j com.googlecode.javacpp.Pointer.zero()Lcom/googlecode/javacpp/Pointer;+2
j com.googlecode.javacv.cpp.opencv_core$CvSeq.<init>()V+9
j com.googlecode.javacv.cpp.opencv_core$CvContour.<init>()V+1
j Dieter.main([Ljava/lang/String;)V+67
v ~StubRoutines::call_stub
--------------- P R O C E S S ---------------
Java Threads: ( => current thread )
0x00826800 JavaThread "Service Thread" daemon [_thread_blocked, id=7436, stack(0x044e0000,0x04530000)]
0x00820c00 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=6644, stack(0x04450000,0x044a0000)]
0x0081fc00 JavaThread "Attach Listener" daemon [_thread_blocked, id=1156, stack(0x043c0000,0x04410000)]
0x0081c800 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=1820, stack(0x04330000,0x04380000)]
0x007b0400 JavaThread "Finalizer" daemon [_thread_blocked, id=5456, stack(0x042a0000,0x042f0000)]
0x007ae800 JavaThread "Reference Handler" daemon [_thread_blocked, id=2588, stack(0x00de0000,0x00e30000)]
=>0x004eb800 JavaThread "main" [_thread_in_native, id=5672, stack(0x00570000,0x005c0000)]
Other Threads:
0x007ad400 VMThread [stack: 0x00d50000,0x00da0000] [id=3176]
0x0083e000 WatcherThread [stack: 0x04570000,0x045c0000] [id=4452]
VM state:not at safepoint (normal execution)
VM Mutex/Monitor currently owned by a thread: None
Heap
def new generation total 4928K, used 1323K [0x24a20000, 0x24f70000, 0x29f70000)
eden space 4416K, 18% used [0x24a20000, 0x24aeafe8, 0x24e70000)
from space 512K, 100% used [0x24ef0000, 0x24f70000, 0x24f70000)
to space 512K, 0% used [0x24e70000, 0x24e70000, 0x24ef0000)
tenured generation total 10944K, used 370K [0x29f70000, 0x2aa20000, 0x34a20000)
the space 10944K, 3% used [0x29f70000, 0x29fccb38, 0x29fccc00, 0x2aa20000)
compacting perm gen total 12288K, used 912K [0x34a20000, 0x35620000, 0x38a20000)
the space 12288K, 7% used [0x34a20000, 0x34b04270, 0x34b04400, 0x35620000)
ro space 10240K, 41% used [0x38a20000, 0x38e52050, 0x38e52200, 0x39420000)
rw space 12288K, 52% used [0x39420000, 0x39a66800, 0x39a66800, 0x3a020000)
Card table byte_map: [0x00c40000,0x00cf0000] byte_map_base: 0x00b1af00
Polling page: 0x004c0000
Code Cache [0x02260000, 0x02320000, 0x04260000)
total_blobs=266 nmethods=113 adapters=90 free_code_cache=32016Kb largest_free_block=32785344
Compilation events (10 events):
Event: 0.214 Thread 0x00820c00 108 java.util.AbstractList$Itr::hasNext (20 bytes)
Event: 0.214 Thread 0x00820c00 nmethod 108 0x02319d48 code [0x02319e50, 0x02319f0c]
Event: 0.215 Thread 0x00820c00 110 com.googlecode.javacpp.Loader$ClassProperties::addAll (183 bytes)
Event: 0.216 Thread 0x00820c00 nmethod 110 0x0231a248 code [0x0231a490, 0x0231ac68]
Event: 0.216 Thread 0x00820c00 111 java.lang.String::indexOf (25 bytes)
Event: 0.216 Thread 0x00820c00 nmethod 111 0x0231b488 code [0x0231b590, 0x0231b65c]
Event: 0.217 Thread 0x00820c00 112 java.lang.Character::toLowerCase (6 bytes)
Event: 0.217 Thread 0x00820c00 nmethod 112 0x0231b748 code [0x0231b850, 0x0231b8f8]
Event: 0.218 Thread 0x00820c00 113 java.util.Hashtable$Enumerator::hasMoreElements (53 bytes)
Event: 0.218 Thread 0x00820c00 nmethod 113 0x0231b988 code [0x0231ba80, 0x0231bb60]
GC Heap History (2 events):
Event: 0.204 GC heap before
{Heap before GC invocations=0 (full 0):
def new generation total 4928K, used 4416K [0x24a20000, 0x24f70000, 0x29f70000)
eden space 4416K, 100% used [0x24a20000, 0x24e70000, 0x24e70000)
from space 512K, 0% used [0x24e70000, 0x24e70000, 0x24ef0000)
to space 512K, 0% used [0x24ef0000, 0x24ef0000, 0x24f70000)
tenured generation total 10944K, used 0K [0x29f70000, 0x2aa20000, 0x34a20000)
the space 10944K, 0% used [0x29f70000, 0x29f70000, 0x29f70200, 0x2aa20000)
compacting perm gen total 12288K, used 887K [0x34a20000, 0x35620000, 0x38a20000)
the space 12288K, 7% used [0x34a20000, 0x34afdfc8, 0x34afe000, 0x35620000)
ro space 10240K, 41% used [0x38a20000, 0x38e52050, 0x38e52200, 0x39420000)
rw space 12288K, 52% used [0x39420000, 0x39a66800, 0x39a66800, 0x3a020000)
Event: 0.206 GC heap after
Heap after GC invocations=1 (full 0):
def new generation total 4928K, used 512K [0x24a20000, 0x24f70000, 0x29f70000)
eden space 4416K, 0% used [0x24a20000, 0x24a20000, 0x24e70000)
from space 512K, 100% used [0x24ef0000, 0x24f70000, 0x24f70000)
to space 512K, 0% used [0x24e70000, 0x24e70000, 0x24ef0000)
tenured generation total 10944K, used 370K [0x29f70000, 0x2aa20000, 0x34a20000)
the space 10944K, 3% used [0x29f70000, 0x29fccb38, 0x29fccc00, 0x2aa20000)
compacting perm gen total 12288K, used 887K [0x34a20000, 0x35620000, 0x38a20000)
the space 12288K, 7% used [0x34a20000, 0x34afdfc8, 0x34afe000, 0x35620000)
ro space 10240K, 41% used [0x38a20000, 0x38e52050, 0x38e52200, 0x39420000)
rw space 12288K, 52% used [0x39420000, 0x39a66800, 0x39a66800, 0x3a020000)
}
Deoptimization events (0 events):
No events
Internal exceptions (10 events):
Event: 0.177 Thread 0x004eb800 Threw 0x24e2f6d8 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.177 Thread 0x004eb800 Threw 0x24e33ec8 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.203 Thread 0x004eb800 Threw 0x24e569d8 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.206 Thread 0x004eb800 Threw 0x24a27c80 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.207 Thread 0x004eb800 Threw 0x24a2ad28 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.207 Thread 0x004eb800 Threw 0x24a2dc90 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.207 Thread 0x004eb800 Threw 0x24a314d0 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.208 Thread 0x004eb800 Threw 0x24a5f148 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.216 Thread 0x004eb800 Threw 0x24acf300 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Event: 0.217 Thread 0x004eb800 Threw 0x24ad3248 at C:\re\jdk7u51\527\hotspot\src\share\vm\prims\jvm.cpp:1244
Events (10 events):
Event: 0.207 loading class 0x0462fa78
Event: 0.207 loading class 0x0462fa78 done
Event: 0.208 loading class 0x0462fe38
Event: 0.208 loading class 0x0462fe38 done
Event: 0.216 loading class 0x0083ef48
Event: 0.216 loading class 0x0083ef48 done
Event: 0.217 loading class 0x0083f338
Event: 0.217 loading class 0x0083f338 done
Event: 0.218 loading class 0x3a040448
Event: 0.218 loading class 0x3a040448 done
Dynamic libraries:
0x00e30000 - 0x00e5f000 C:\Program Files (x86)\Java\jre7\bin\javaw.exe
0x76ed0000 - 0x77038000 C:\Windows\SYSTEM32\ntdll.dll
0x74b20000 - 0x74c60000 C:\Windows\SYSTEM32\KERNEL32.DLL
0x751e0000 - 0x752af000 C:\Windows\SYSTEM32\KERNELBASE.dll
0x69530000 - 0x695ca000 C:\Windows\system32\apphelp.dll
0x64c10000 - 0x64e62000 C:\Windows\AppPatch\AcGenral.DLL
0x74f90000 - 0x7504e000 C:\Windows\SYSTEM32\msvcrt.dll
0x74ae0000 - 0x74b1e000 C:\Windows\SYSTEM32\sechost.dll
0x74900000 - 0x7491d000 C:\Windows\SYSTEM32\SspiCli.dll
0x76bd0000 - 0x76c11000 C:\Windows\SYSTEM32\SHLWAPI.dll
0x73df0000 - 0x73ecc000 C:\Windows\SYSTEM32\UxTheme.dll
0x74ca0000 - 0x74def000 C:\Windows\SYSTEM32\USER32.dll
0x76a10000 - 0x76b18000 C:\Windows\SYSTEM32\GDI32.dll
0x73a30000 - 0x73a50000 C:\Windows\SYSTEM32\WINMM.dll
0x73c70000 - 0x73c82000 C:\Windows\SYSTEM32\samcli.dll
0x76c70000 - 0x76d7b000 C:\Windows\SYSTEM32\ole32.dll
0x74a40000 - 0x74ac7000 C:\Windows\SYSTEM32\OLEAUT32.dll
0x731a0000 - 0x731b5000 C:\Windows\SYSTEM32\MSACM32.dll
0x74880000 - 0x74888000 C:\Windows\SYSTEM32\VERSION.dll
0x75860000 - 0x76a03000 C:\Windows\SYSTEM32\SHELL32.dll
0x739c0000 - 0x739d9000 C:\Windows\SYSTEM32\USERENV.dll
0x739f0000 - 0x73a09000 C:\Windows\SYSTEM32\dwmapi.dll
0x73210000 - 0x73334000 C:\Windows\SYSTEM32\urlmon.dll
0x75060000 - 0x750d7000 C:\Windows\SYSTEM32\ADVAPI32.dll
0x74820000 - 0x7487e000 C:\Windows\SYSTEM32\WINSPOOL.DRV
0x67500000 - 0x67514000 C:\Windows\SYSTEM32\MPR.dll
0x752b0000 - 0x75361000 C:\Windows\SYSTEM32\RPCRT4.dll
0x748f0000 - 0x748f9000 C:\Windows\SYSTEM32\CRYPTBASE.dll
0x75380000 - 0x754ce000 C:\Windows\SYSTEM32\combase.dll
0x73a10000 - 0x73a30000 C:\Windows\SYSTEM32\WINMMBASE.dll
0x74050000 - 0x7405e000 C:\Windows\SYSTEM32\profapi.dll
0x72e30000 - 0x73047000 C:\Windows\SYSTEM32\iertutil.dll
0x72c60000 - 0x72e24000 C:\Windows\SYSTEM32\WININET.dll
0x74890000 - 0x748e1000 C:\Windows\SYSTEM32\bcryptPrimitives.dll
0x74f40000 - 0x74f7a000 C:\Windows\SYSTEM32\cfgmgr32.dll
0x74800000 - 0x7481f000 C:\Windows\SYSTEM32\DEVOBJ.dll
0x74060000 - 0x740d7000 C:\Windows\SYSTEM32\SHCORE.DLL
0x74920000 - 0x74945000 C:\Windows\system32\IMM32.DLL
0x750e0000 - 0x751d7000 C:\Windows\SYSTEM32\MSCTF.dll
0x74450000 - 0x74635000 C:\Windows\WinSxS\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.9600.16384_none_a9f4965301334e09\COMCTL32.dll
0x670d0000 - 0x6718f000 C:\Program Files (x86)\Java\jre7\bin\msvcr100.dll
0x64f80000 - 0x65300000 C:\Program Files (x86)\Java\jre7\bin\client\jvm.dll
0x74040000 - 0x74048000 C:\Windows\SYSTEM32\WSOCK32.dll
0x749a0000 - 0x749a6000 C:\Windows\SYSTEM32\PSAPI.DLL
0x76c20000 - 0x76c6d000 C:\Windows\SYSTEM32\WS2_32.dll
0x74f80000 - 0x74f87000 C:\Windows\SYSTEM32\NSI.dll
0x66ba0000 - 0x66bac000 C:\Program Files (x86)\Java\jre7\bin\verify.dll
0x66b80000 - 0x66ba0000 C:\Program Files (x86)\Java\jre7\bin\java.dll
0x66b60000 - 0x66b73000 C:\Program Files (x86)\Java\jre7\bin\zip.dll
0x66910000 - 0x66979000 C:\Windows\System32\msvcp100.dll
0x70fc0000 - 0x71ef6000 C:\opencv\build\x86\vc10\bin\opencv_ffmpeg248.dll
0x64a00000 - 0x64c06000 C:\opencv\build\x86\vc10\bin\opencv_core248.dll
0x64790000 - 0x649fb000 C:\opencv\build\x86\vc10\bin\opencv_imgproc248.dll
0x64580000 - 0x64787000 C:\opencv\build\x86\vc10\bin\opencv_highgui248.dll
0x66d80000 - 0x66d99000 C:\Windows\SYSTEM32\AVIFIL32.dll
0x67490000 - 0x674b2000 C:\Windows\SYSTEM32\MSVFW32.dll
0x66d60000 - 0x66d74000 C:\Windows\SYSTEM32\AVICAP32.dll
0x670c0000 - 0x670cf000 F:\tmp\javacpp367334687899361\jniopencv_highgui.dll
0x66810000 - 0x66885000 F:\tmp\javacpp367334687899361\jniopencv_core.dll
0x72260000 - 0x723a8000 C:\Windows\SYSTEM32\dbghelp.dll
VM Arguments:
jvm_args: -Dfile.encoding=Cp1252
java_command: DetectEllipse 2 PathToPicture
Launcher Type: SUN_STANDARD
Environment Variables:
PATH=C:/Program Files (x86)/Java/jre7/bin/client;C:/Program Files (x86)/Java/jre7/bin;C:/Program Files (x86)/Java/jre7/lib/i386;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\IVI Foundation\VISA\WinNT\Bin;F:\Programmieren\tools\eclipse 32bit;
USERNAME=Username
OS=Windows_NT
PROCESSOR_IDENTIFIER=Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
--------------- S Y S T E M ---------------
OS: Windows 8 , 64 bit Build 9200
CPU:total 4 (4 cores per cpu, 1 threads per core) family 6 model 60 stepping 3, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, avx, avx2, aes, erms, tsc, tscinvbit
Memory: 4k page, physical 8325332k(5583064k free), swap 13445332k(10026960k free)
vm_info: Java HotSpot(TM) Client VM (24.51-b03) for windows-x86 JRE (1.7.0_51-b13), built on Dec 18 2013 19:09:58 by "java_re" with unknown MS VC++:1600
time: Sun Feb 23 01:12:58 2014
elapsed time: 0 seconds
这是转换后的Java代码：
import static com.googlecode.javacv.cpp.opencv_core.CV_FILLED;
import static com.googlecode.javacv.cpp.opencv_core.CV_RGB;
import static com.googlecode.javacv.cpp.opencv_core.CV_WHOLE_SEQ;
import static com.googlecode.javacv.cpp.opencv_core.cvCreateImage;
import static com.googlecode.javacv.cpp.opencv_core.cvCreateMemStorage;
import static com.googlecode.javacv.cpp.opencv_core.cvDrawContours;
import static com.googlecode.javacv.cpp.opencv_core.cvGetSize;
import static com.googlecode.javacv.cpp.opencv_core.cvPoint;
import static com.googlecode.javacv.cpp.opencv_core.cvScalar;
import static com.googlecode.javacv.cpp.opencv_core.cvXorS;
import static com.googlecode.javacv.cpp.opencv_core.cvZero;
import static com.googlecode.javacv.cpp.opencv_highgui.cvLoadImage;
import static com.googlecode.javacv.cpp.opencv_highgui.cvSaveImage;
import static com.googlecode.javacv.cpp.opencv_imgproc.CV_CHAIN_APPROX_SIMPLE;
import static com.googlecode.javacv.cpp.opencv_imgproc.CV_RETR_CCOMP;
import static com.googlecode.javacv.cpp.opencv_imgproc.CV_THRESH_BINARY;
import static com.googlecode.javacv.cpp.opencv_imgproc.cvContourArea;
import static com.googlecode.javacv.cpp.opencv_imgproc.cvDilate;
import static com.googlecode.javacv.cpp.opencv_imgproc.cvFindContours;
import static com.googlecode.javacv.cpp.opencv_imgproc.cvThreshold;
import com.googlecode.javacpp.Loader;
import com.googlecode.javacv.cpp.opencv_core.CvContour;
import com.googlecode.javacv.cpp.opencv_core.CvMemStorage;
import com.googlecode.javacv.cpp.opencv_core.CvRect;
import com.googlecode.javacv.cpp.opencv_core.CvScalar;
import com.googlecode.javacv.cpp.opencv_core.CvSeq;
import com.googlecode.javacv.cpp.opencv_core.IplImage;
public class DetectEllipse{
public static final double M_PI = 3.14159265358979323846;
public static final double MIN_AREA = 100.00;
public static final double MAX_TOL = 100.00;
private static int[] array = { 0 };
//
// We need this to be high enough to get rid of things that are too small
// too
// have a definite shape. Otherwise, they will end up as ellipse false
// positives.
//
//
// One way to tell if an object is an ellipse is to look at the relationship
// of its area to its dimensions. If its actual occupied area can be
// estimated
// using the well-known area formula Area = PI*A*B, then it has a good
// chance of
// being an ellipse.
//
// This value is the maximum permissible error between actual and estimated
// area.
//
public static void main(String[] args) {
IplImage src = cvLoadImage(args[1], 0);
if (src == null) {
System.out.println("!!! Unable to load image: " + args[1]);
return;
}
// the first command line parameter must be file name of binary
// (black-n-white) image
if (Integer.parseInt(args[0]) == 2) {
IplImage dst = cvCreateImage(cvGetSize(src), 8, 3);
CvMemStorage storage = cvCreateMemStorage(0);
CvSeq contour = new CvContour();
// maybe: = new CvSeq(0)
cvThreshold(src, src, 1, 255, CV_THRESH_BINARY);
//
// Invert the image such that white is foreground, black is
// background.
// Dilate to get rid of noise.
//
cvXorS(src, cvScalar(255, 0, 0, 0), src, null);
cvDilate(src, src, null, 2);
cvFindContours(src, storage, contour,
Loader.sizeof(CvContour.class), CV_RETR_CCOMP,
CV_CHAIN_APPROX_SIMPLE, cvPoint(0, 0));
cvZero(dst);
for (; contour.flags() != 0; contour = contour.h_next()) {
// if not working: use contour.isNull()
double actual_area = Math.abs(cvContourArea(contour,
CV_WHOLE_SEQ, 0));
if (actual_area < MIN_AREA)
continue;
//
// FIXME:
// Assuming the axes of the ellipse are vertical/perpendicular.
//
CvRect rect = ((CvContour) contour).rect();
int A = rect.width() / 2;
int B = rect.height() / 2;
double estimated_area = Math.PI * A * B;
double error = Math.abs(actual_area - estimated_area);
if (error > MAX_TOL)
continue;
System.out.printf("center x: %d y: %d A: %d B: %d\n", rect.x()
+ A, rect.y() + B, A, B);
CvScalar color = CV_RGB(
tangible.RandomNumbers.nextNumber() % 255,
tangible.RandomNumbers.nextNumber() % 255,
tangible.RandomNumbers.nextNumber() % 255);
cvDrawContours(dst, contour, color, color, -1, CV_FILLED, 8,
cvPoint(0, 0));
}
cvSaveImage("coins.png", dst, array);
}
}
}
1 个解决方案
解决方案1
1 已采纳 2014-02-24 21:20:30
cvThreshold()需要一个通道图像，并且您告诉它将结果存储在3通道图像中，因此发生崩溃！
您可以调用cvCreateImage()创建单个通道IplImage 。
祝好运！
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