def check_build_info():
success = True
print("OpenCV Version: {}".format(cv2.__version__))
if (cv2.getVersionMajor() != CURRENT_OPENCV_BUILD_VERSION[0]) and (
cv2.getVersionMinor() != CURRENT_OPENCV_BUILD_VERSION[1]) and (
cv2.getVersionRevision() != CURRENT_OPENCV_BUILD_VERSION[2]):
print("ERROR: OpenCV version is different than the expected.")
success = False
print("Available CPUs: ", cv2.getNumberOfCPUs())
print("Available threads: ", cv2.getNumThreads())
if cv2.getNumThreads() < cv2.getNumberOfCPUs():
print("ERROR: TBB is not enabled.")
success = False
cv2.CPU_NEON = 100 # Value taken from OpenCV doc. CPU labels don't work correctly in Python
print("Cpu NEON support: ", cv2.checkHardwareSupport(cv2.CPU_NEON))
if not cv2.checkHardwareSupport(cv2.CPU_NEON):
print("ERROR: NEON is not enabled.")
success = False
return success
cv2.imshow("blank", img)
def rotate_imutils(img, angle):
return imutils.rotate(img, angle)
def rotate_function(img, angle):
rotation_mat = cv2.getRotationMatrix2D(
(img.shape[0] / 2, img.shape[1] / 2), angle, 1.0)
return cv2.warpAffine(img, rotation_mat, (img.shape[0], img.shape[1]))
for i in range(1, 15):
print("index: {} feature:{} supported: {}".format(
i, cv2.getHardwareFeatureName(i), cv2.checkHardwareSupport(i)))
start = time.time()
ri = rotate_imutils(img, 90)
end = time.time()
print("Total time taken by imutils {}".format(end - start))
start = time.time()
rf = rotate_function(img, 90)
end = time.time()
print("Total time taken by rotate function {}".format(end - start))
# do something with blank image
cnt = 0
while True:
img = img + cnt
# until setUseOptimized(true) is called. # This way user can dynamically switch on and off the optimized code in OpenCV. # Assign ID to Features as this doesn't seem to be working currently cv2.CPU_MMX = 1 cv2.CPU_SSE = 2 cv2.CPU_SSE2 = 3 cv2.CPU_SSE3 = 4 cv2.CPU_SSSE3 = 5 cv2.CPU_SSE4_1 = 6 cv2.CPU_SSE4_2 = 7 cv2.CPU_POPCNT = 8 cv2.CPU_AVX = 9 # Returns True if CPU is MMX capable mmx = cv2.checkHardwareSupport(cv2.CPU_MMX) # Returns True if CPU is SSE capable sse = cv2.checkHardwareSupport(cv2.CPU_SSE) # Returns True if CPU is SSE2 capable sse2 = cv2.checkHardwareSupport(cv2.CPU_SSE2) # Returns True if CPU is SSE3 capable sse3 = cv2.checkHardwareSupport(cv2.CPU_SSE3) # Returns True if CPU is SSSE3 capable ssse3 = cv2.checkHardwareSupport(cv2.CPU_SSSE3) # Returns True if CPU is SSE4.1 capable sse4_1 = cv2.checkHardwareSupport(cv2.CPU_SSE4_1) # Returns True if CPU is SSE4.2 capable sse4_2 = cv2.checkHardwareSupport(cv2.CPU_SSE4_2) # Returns True if CPU is POP capable popcnt = cv2.checkHardwareSupport(cv2.CPU_POPCNT) # Returns True if CPU is AVX capable
CV_CPU_AVX - AVX
"""
if config.OCV_OLD_PY_BINDINGS == False:
featDict = {cv2.CPU_AVX: "AVX",
cv2.CPU_MMX: "MMX",
cv2.CPU_NEON: "NEON",
cv2.CPU_POPCNT: "POPCNT",
cv2.CPU_SSE: "SSE",
cv2.CPU_SSE2: "SSE2",
cv2.CPU_SSE3: "SSE3",
cv2.CPU_SSE4_1: "SSE4.1",
cv2.CPU_SSE4_2: "SSE4.2",
cv2.CPU_SSSE3: "SSSE3"};
for feat in featDict:
res = cv2.checkHardwareSupport(feat);
print("%s = %d" % (featDict[feat], res));
#cv2.setUseOptimized(onoff)!!!!
# "Returns the number of logical CPUs available for the process."
common.DebugPrint("cv2.getNumberOfCPUs() (#logical CPUs) is %s" % str(cv2.getNumberOfCPUs()));
common.DebugPrint("cv2.getTickFrequency() is %s" % str(cv2.getTickFrequency()));
"""
Available only in C++:
# "getNumThreads - Returns the number of threads used by OpenCV for parallel regions."
common.DebugPrint("cv2.getNumThreads() (#logical CPUs) is %s" % str(cv2.getNumThreads()));
"""
videoPathFileNameQ = sys.argv[1]; # input/current video