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OpenCVとmatplotlib.pyplotの競合について ref: https://qiita.com/h-sakano/items/720a347b8e156e2a6c64
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$ pip freeze -l | |
cycler==0.10.0 | |
matplotlib==2.1.2 | |
numpy==1.13.3 | |
opencv-python==3.3.0.10 | |
pyparsing==2.2.0 | |
python-dateutil==2.6.1 | |
pytz==2018.3 | |
six==1.11.0 |
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# coding: UTF-8 | |
import cv2 | |
import numpy as np | |
import matplotlib | |
from matplotlib import pyplot as plt | |
def run(): | |
cv2.namedWindow(self.srcWindowName) # 加工前の映像表示ウィンドウ生成 | |
cv2.namedWindow(self.dstWindowName) # 加工後の映像表示ウィンドウ生成 | |
cap = cv2.VideoCapture(0) | |
while True: | |
ret, src = cap.read() | |
if ret: | |
dst = convert(src) # 加工 | |
cv2.imshow(self.srcWindowName, src) | |
cv2.imshow(self.dstWindowName, dst) | |
# ヒストグラム | |
img_hist = cv2.cvtColor(dst, cv2.COLOR_BGR2GRAY) | |
hist = cv2.calcHist([img_hist],[0],None,[256],[0,256]) | |
plt.plot(hist) | |
plt.xlim([0,256]) | |
plt.ylim([0,10000]) | |
plt.pause(.01) | |
plt.cla() # 現在描写されているグラフを消去 | |
key = cv2.waitKey(1) | |
if key == 27: # ESCキー押されたら終了 | |
break | |
cap.release() | |
cv2.destroyAllWindows() |
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2018-02-21 17:42:24.083 python[11468:1380593] -[QNSApplication _setup:]: unrecognized selector sent to instance 0x7feff8ecedb0 | |
2018-02-21 17:42:24.086 python[11468:1380593] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[QNSApplication _setup:]: unrecognized selector sent to instance 0x7feff8ecedb0' | |
*** First throw call stack: | |
( | |
0 CoreFoundation 0x00007fffbd5122cb __exceptionPreprocess + 171 | |
1 libobjc.A.dylib 0x00007fffd232948d objc_exception_throw + 48 | |
2 CoreFoundation 0x00007fffbd593f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132 | |
3 CoreFoundation 0x00007fffbd484755 ___forwarding___ + 1061 | |
4 CoreFoundation 0x00007fffbd4842a8 _CF_forwarding_prep_0 + 120 | |
5 Tk 0x0000000116b19c02 TkpInit + 471 | |
6 Tk 0x0000000116a952a9 Tk_Init + 1794 | |
7 _tkinter.cpython-36m-darwin.so 0x000000011696edd4 Tcl_AppInit + 84 | |
8 _tkinter.cpython-36m-darwin.so 0x0000000116969c4f _tkinter_create + 1071 | |
9 python 0x000000010d53ef46 _PyCFunction_FastCallDict + 166 | |
10 python 0x000000010d5c764e call_function + 478 | |
11 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
12 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
13 python 0x000000010d5c8bc6 _PyFunction_FastCallDict + 662 | |
14 python 0x000000010d4f5eba _PyObject_FastCallDict + 346 | |
15 python 0x000000010d4f5fec _PyObject_Call_Prepend + 156 | |
16 python 0x000000010d4f5c15 PyObject_Call + 101 | |
17 python 0x000000010d5573ee slot_tp_init + 158 | |
18 python 0x000000010d5536a9 type_call + 313 | |
19 python 0x000000010d4f5e84 _PyObject_FastCallDict + 292 | |
20 python 0x000000010d4f62d5 _PyObject_FastCallKeywords + 197 | |
21 python 0x000000010d5c7622 call_function + 434 | |
22 python 0x000000010d5c073d _PyEval_EvalFrameDefault + 4989 | |
23 python 0x000000010d5c8878 fast_function + 568 | |
24 python 0x000000010d5c7629 call_function + 441 | |
25 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
26 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
27 python 0x000000010d5c8bc6 _PyFunction_FastCallDict + 662 | |
28 python 0x000000010d4f5eba _PyObject_FastCallDict + 346 | |
29 python 0x000000010d4f5fec _PyObject_Call_Prepend + 156 | |
30 python 0x000000010d4f5c15 PyObject_Call + 101 | |
31 python 0x000000010d5c0a07 _PyEval_EvalFrameDefault + 5703 | |
32 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
33 python 0x000000010d5c8919 fast_function + 729 | |
34 python 0x000000010d5c7629 call_function + 441 | |
35 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
36 python 0x000000010d5c8878 fast_function + 568 | |
37 python 0x000000010d5c7629 call_function + 441 | |
38 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
39 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
40 python 0x000000010d5c8919 fast_function + 729 | |
41 python 0x000000010d5c7629 call_function + 441 | |
42 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
43 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
44 python 0x000000010d5c8919 fast_function + 729 | |
45 python 0x000000010d5c7629 call_function + 441 | |
46 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
47 python 0x000000010d5c8878 fast_function + 568 | |
48 python 0x000000010d5c7629 call_function + 441 | |
49 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
50 python 0x000000010d5c8878 fast_function + 568 | |
51 python 0x000000010d5c7629 call_function + 441 | |
52 python 0x000000010d5c06b3 _PyEval_EvalFrameDefault + 4851 | |
53 python 0x000000010d5c8126 _PyEval_EvalCodeWithName + 2566 | |
54 python 0x000000010d5bf330 PyEval_EvalCode + 48 | |
55 python 0x000000010d5f3339 PyRun_FileExFlags + 185 | |
56 python 0x000000010d5f286d PyRun_SimpleFileExFlags + 285 | |
57 python 0x000000010d60c1b3 Py_Main + 3427 | |
58 python 0x000000010d4ea7d8 main + 248 | |
59 libdyld.dylib 0x00007fffd2c0f235 start + 1 | |
60 ??? 0x0000000000000002 0x0 + 2 | |
) | |
libc++abi.dylib: terminating with uncaught exception of type NSException | |
Abort trap: 6 |
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