#!/usr/bin/env python
import os
import cv2 as cv
import numpy as np
from tests_common import NewOpenCVTests, unittest
def normAssert(test, a, b, msg=None, lInf=1e-5):
test.assertLess(np.max(np.abs(a - b)), lInf, msg)
def inter_area(box1, box2):
x_min, x_max = max(box1[0], box2[0]), min(box1[2], box2[2])
y_min, y_max = max(box1[1], box2[1]), min(box1[3], box2[3])
return (x_max - x_min) * (y_max - y_min)
def area(box):
return (box[2] - box[0]) * (box[3] - box[1])
def box2str(box):
left, top = box[0], box[1]
width, height = box[2] - left, box[3] - top
return '[%f x %f from (%f, %f)]' % (width, height, left, top)
def normAssertDetections(test, refClassIds, refScores, refBoxes, testClassIds, testScores, testBoxes,
confThreshold=0.0, scores_diff=1e-5, boxes_iou_diff=1e-4):
matchedRefBoxes = [False] * len(refBoxes)
errMsg = ''
for i in range(len(testBoxes)):
testScore = testScores[i]
if testScore < confThreshold:
continue
testClassId, testBox = testClassIds[i], testBoxes[i]
matched = False
for j in range(len(refBoxes)):
if (not matchedRefBoxes[j]) and testClassId == refClassIds[j] and \
abs(testScore - refScores[j]) < scores_diff:
interArea = inter_area(testBox, refBoxes[j])
iou = interArea / (area(testBox) + area(refBoxes[j]) - interArea)
if abs(iou - 1.0) < boxes_iou_diff:
matched = True
matchedRefBoxes[j] = True
if not matched:
errMsg += '\nUnmatched prediction: class %d score %f box %s' % (testClassId, testScore, box2str(testBox))
for i in range(len(refBoxes)):
if (not matchedRefBoxes[i]) and refScores[i] > confThreshold:
errMsg += '\nUnmatched reference: class %d score %f box %s' % (refClassIds[i], refScores[i], box2str(refBoxes[i]))
if errMsg:
test.fail(errMsg)
def printParams(backend, target):
backendNames = {
cv.dnn.DNN_BACKEND_OPENCV: 'OCV',
cv.dnn.DNN_BACKEND_INFERENCE_ENGINE: 'DLIE'
}
targetNames = {
cv.dnn.DNN_TARGET_CPU: 'CPU',
cv.dnn.DNN_TARGET_OPENCL: 'OCL',
cv.dnn.DNN_TARGET_OPENCL_FP16: 'OCL_FP16',
cv.dnn.DNN_TARGET_MYRIAD: 'MYRIAD'
}
print('%s/%s' % (backendNames[backend], targetNames[target]))
def getDefaultThreshold(target):
if target == cv.dnn.DNN_TARGET_OPENCL_FP16 or target == cv.dnn.DNN_TARGET_MYRIAD:
return 4e-3
else:
return 1e-5
testdata_required = bool(os.environ.get('OPENCV_DNN_TEST_REQUIRE_TESTDATA', False))
g_dnnBackendsAndTargets = None
class dnn_test(NewOpenCVTests):
def setUp(self):
super(dnn_test, self).setUp()
global g_dnnBackendsAndTargets
if g_dnnBackendsAndTargets is None:
g_dnnBackendsAndTargets = self.initBackendsAndTargets()
self.dnnBackendsAndTargets = g_dnnBackendsAndTargets
def initBackendsAndTargets(self):
self.dnnBackendsAndTargets = [
[cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_CPU],
]
if self.checkIETarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_CPU):
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_CPU])
if self.checkIETarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_MYRIAD):
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_MYRIAD])
if cv.ocl.haveOpenCL() and cv.ocl.useOpenCL():
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_OPENCL])
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_OPENCL_FP16])
if cv.ocl_Device.getDefault().isIntel():
if self.checkIETarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL):
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL])
if self.checkIETarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL_FP16):
self.dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL_FP16])
return self.dnnBackendsAndTargets
def find_dnn_file(self, filename, required=True):
if not required:
required = testdata_required
return self.find_file(filename, [os.environ.get('OPENCV_DNN_TEST_DATA_PATH', os.getcwd()),
os.environ['OPENCV_TEST_DATA_PATH']],
required=required)
def checkIETarget(self, backend, target):
proto = self.find_dnn_file('dnn/layers/layer_convolution.prototxt')
model = self.find_dnn_file('dnn/layers/layer_convolution.caffemodel')
net = cv.dnn.readNet(proto, model)
try:
net.setPreferableBackend(backend)
net.setPreferableTarget(target)
inp = np.random.standard_normal([1, 2, 10, 11]).astype(np.float32)
net.setInput(inp)
net.forward()
except BaseException:
return False
return True
def test_getAvailableTargets(self):
targets = cv.dnn.getAvailableTargets(cv.dnn.DNN_BACKEND_OPENCV)
self.assertTrue(cv.dnn.DNN_TARGET_CPU in targets)
def test_blobFromImage(self):
np.random.seed(324)
width = 6
height = 7
scale = 1.0/127.5
mean = (10, 20, 30)
# Test arguments names.
img = np.random.randint(0, 255, [4, 5, 3]).astype(np.uint8)
blob = cv.dnn.blobFromImage(img, scale, (width, height), mean, True, False)
blob_args = cv.dnn.blobFromImage(img, scalefactor=scale, size=(width, height),
mean=mean, swapRB=True, crop=False)
normAssert(self, blob, blob_args)
# Test values.
target = cv.resize(img, (width, height), interpolation=cv.INTER_LINEAR)
target = target.astype(np.float32)
target = target[:,:,[2, 1, 0]] # BGR2RGB
target[:,:,0] -= mean[0]
target[:,:,1] -= mean[1]
target[:,:,2] -= mean[2]
target *= scale
target = target.transpose(2, 0, 1).reshape(1, 3, height, width) # to NCHW
normAssert(self, blob, target)
def test_blobFromImageWithParams(self):
np.random.seed(324)
width = 6
height = 7
stddev = np.array([0.2, 0.3, 0.4])
scalefactor = 1.0/127.5 * stddev
mean = (10, 20, 30)
# Test arguments names.
img = np.random.randint(0, 255, [4, 5, 3]).astype(np.uint8)
param = cv.dnn.Image2BlobParams()
param.scalefactor = scalefactor
param.size = (6, 7)
param.mean = mean
param.swapRB=True
param.datalayout = cv.dnn.DNN_LAYOUT_NHWC
blob = cv.dnn.blobFromImageWithParams(img, param)
blob_args = cv.dnn.blobFromImageWithParams(img, cv.dnn.Image2BlobParams(scalefactor=scalefactor, size=(6, 7), mean=mean,
swapRB=True, datalayout=cv.dnn.DNN_LAYOUT_NHWC))
normAssert(self, blob, blob_args)
target2 = cv.resize(img, (width, height), interpolation=cv.INTER_LINEAR).astype(np.float32)
target2 = target2[:,:,[2, 1, 0]] # BGR2RGB
target2[:,:,0] -= mean[0]
target2[:,:,1] -= mean[1]
target2[:,:,2] -= mean[2]
target2[:,:,0] *= scalefactor[0]
target2[:,:,1] *= scalefactor[1]
target2[:,:,2] *= scalefactor[2]
target2 = target2.reshape(1, height, width, 3) # to NHWC
normAssert(self, blob, target2)
def test_model(self):
img_path = self.find_dnn_file("dnn/street.png")
weights = self.find_dnn_file("dnn/MobileNetSSD_deploy_19e3ec3.caffemodel", required=False)
config = self.find_dnn_file("dnn/MobileNetSSD_deploy_19e3ec3.prototxt", required=False)
if weights is None or config is None:
raise unittest.SkipTest("Missing DNN test files (dnn/MobileNetSSD_deploy_19e3ec3.{prototxt/caffemodel}). Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
frame = cv.imread(img_path)
model = cv.dnn_DetectionModel(weights, config)
model.setInputParams(size=(300, 300), mean=(127.5, 127.5, 127.5), scale=1.0/127.5)
iouDiff = 0.05
confThreshold = 0.0001
nmsThreshold = 0
scoreDiff = 1e-3
classIds, confidences, boxes = model.detect(frame, confThreshold, nmsThreshold)
refClassIds = (7, 15)
refConfidences = (0.9998, 0.8793)
refBoxes = ((328, 238, 85, 102), (101, 188, 34, 138))
normAssertDetections(self, refClassIds, refConfidences, refBoxes,
classIds, confidences, boxes,confThreshold, scoreDiff, iouDiff)
for box in boxes:
cv.rectangle(frame, box, (0, 255, 0))
cv.rectangle(frame, np.array(box), (0, 255, 0))
cv.rectangle(frame, tuple(box), (0, 255, 0))
cv.rectangle(frame, list(box), (0, 255, 0))
def test_classification_model(self):
img_path = self.find_dnn_file("dnn/googlenet_0.png")
weights = self.find_dnn_file("dnn/squeezenet_v1.1.caffemodel", required=False)
config = self.find_dnn_file("dnn/squeezenet_v1.1.prototxt")
ref = np.load(self.find_dnn_file("dnn/squeezenet_v1.1_prob.npy"))
if weights is None or config is None:
raise unittest.SkipTest("Missing DNN test files (dnn/squeezenet_v1.1.{prototxt/caffemodel}). Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
frame = cv.imread(img_path)
model = cv.dnn_ClassificationModel(config, weights)
model.setInputSize(227, 227)
model.setInputCrop(True)
out = model.predict(frame)
normAssert(self, out, ref)
def test_textdetection_model(self):
img_path = self.find_dnn_file("dnn/text_det_test1.png")
weights = self.find_dnn_file("dnn/onnx/models/DB_TD500_resnet50.onnx", required=False)
if weights is None:
raise unittest.SkipTest("Missing DNN test files (onnx/models/DB_TD500_resnet50.onnx). Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
frame = cv.imread(img_path)
scale = 1.0 / 255.0
size = (736, 736)
mean = (122.67891434, 116.66876762, 104.00698793)
model = cv.dnn_TextDetectionModel_DB(weights)
model.setInputParams(scale, size, mean)
out, _ = model.detect(frame)
self.assertTrue(type(out) == tuple, msg='actual type {}'.format(str(type(out))))
self.assertTrue(np.array(out).shape == (2, 4, 2))
def test_face_detection(self):
proto = self.find_dnn_file('dnn/opencv_face_detector.prototxt')
model = self.find_dnn_file('dnn/opencv_face_detector.caffemodel', required=False)
if proto is None or model is None:
raise unittest.SkipTest("Missing DNN test files (dnn/opencv_face_detector.{prototxt/caffemodel}). Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
img = self.get_sample('gpu/lbpcascade/er.png')
blob = cv.dnn.blobFromImage(img, mean=(104, 177, 123), swapRB=False, crop=False)
ref = [[0, 1, 0.99520785, 0.80997437, 0.16379407, 0.87996572, 0.26685631],
[0, 1, 0.9934696, 0.2831718, 0.50738752, 0.345781, 0.5985168],
[0, 1, 0.99096733, 0.13629119, 0.24892329, 0.19756334, 0.3310290],
[0, 1, 0.98977017, 0.23901358, 0.09084064, 0.29902688, 0.1769477],
[0, 1, 0.97203469, 0.67965847, 0.06876482, 0.73999709, 0.1513494],
[0, 1, 0.95097077, 0.51901293, 0.45863652, 0.5777427, 0.5347801]]
print('\n')
for backend, target in self.dnnBackendsAndTargets:
printParams(backend, target)
net = cv.dnn.readNet(proto, model)
net.setPreferableBackend(backend)
net.setPreferableTarget(target)
net.setInput(blob)
out = net.forward().reshape(-1, 7)
scoresDiff = 4e-3 if target in [cv.dnn.DNN_TARGET_OPENCL_FP16, cv.dnn.DNN_TARGET_MYRIAD] else 1e-5
iouDiff = 2e-2 if target in [cv.dnn.DNN_TARGET_OPENCL_FP16, cv.dnn.DNN_TARGET_MYRIAD] else 1e-4
ref = np.array(ref, np.float32)
refClassIds, testClassIds = ref[:, 1], out[:, 1]
refScores, testScores = ref[:, 2], out[:, 2]
refBoxes, testBoxes = ref[:, 3:], out[:, 3:]
normAssertDetections(self, refClassIds, refScores, refBoxes, testClassIds,
testScores, testBoxes, 0.5, scoresDiff, iouDiff)
def test_async(self):
timeout = 10*1000*10**6 # in nanoseconds (10 sec)
proto = self.find_dnn_file('dnn/layers/layer_convolution.prototxt')
model = self.find_dnn_file('dnn/layers/layer_convolution.caffemodel')
if proto is None or model is None:
raise unittest.SkipTest("Missing DNN test files (dnn/layers/layer_convolution.{prototxt/caffemodel}). Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
print('\n')
for backend, target in self.dnnBackendsAndTargets:
if backend != cv.dnn.DNN_BACKEND_INFERENCE_ENGINE:
continue
printParams(backend, target)
netSync = cv.dnn.readNet(proto, model)
netSync.setPreferableBackend(backend)
netSync.setPreferableTarget(target)
netAsync = cv.dnn.readNet(proto, model)
netAsync.setPreferableBackend(backend)
netAsync.setPreferableTarget(target)
# Generate inputs
numInputs = 10
inputs = []
for _ in range(numInputs):
inputs.append(np.random.standard_normal([2, 6, 75, 113]).astype(np.float32))
# Run synchronously
refs = []
for i in range(numInputs):
netSync.setInput(inputs[i])
refs.append(netSync.forward())
# Run asynchronously. To make test more robust, process inputs in the reversed order.
outs = []
for i in reversed(range(numInputs)):
netAsync.setInput(inputs[i])
outs.insert(0, netAsync.forwardAsync())
for i in reversed(range(numInputs)):
ret, result = outs[i].get(timeoutNs=float(timeout))
self.assertTrue(ret)
normAssert(self, refs[i], result, 'Index: %d' % i, 1e-10)
def test_nms(self):
confs = (1, 1)
rects = ((0, 0, 0.4, 0.4), (0, 0, 0.2, 0.4)) # 0.5 overlap
self.assertTrue(all(cv.dnn.NMSBoxes(rects, confs, 0, 0.6).ravel() == (0, 1)))
def test_custom_layer(self):
class CropLayer(object):
def __init__(self, params, blobs):
self.xstart = 0
self.xend = 0
self.ystart = 0
self.yend = 0
# Our layer receives two inputs. We need to crop the first input blob
# to match a shape of the second one (keeping batch size and number of channels)
def getMemoryShapes(self, inputs):
inputShape, targetShape = inputs[0], inputs[1]
batchSize, numChannels = inputShape[0], inputShape[1]
height, width = targetShape[2], targetShape[3]
self.ystart = (inputShape[2] - targetShape[2]) // 2
self.xstart = (inputShape[3] - targetShape[3]) // 2
self.yend = self.ystart + height
self.xend = self.xstart + width
return [[batchSize, numChannels, height, width]]
def forward(self, inputs):
return [inputs[0][:,:,self.ystart:self.yend,self.xstart:self.xend]]
cv.dnn_registerLayer('CropCaffe', CropLayer)
proto = '''
name: "TestCrop"
input: "input"
input_shape
{
dim: 1
dim: 2
dim: 5
dim: 5
}
input: "roi"
input_shape
{
dim: 1
dim: 2
dim: 3
dim: 3
}
layer {
name: "Crop"
type: "CropCaffe"
bottom: "input"
bottom: "roi"
top: "Crop"
}'''
net = cv.dnn.readNetFromCaffe(bytearray(proto.encode()))
for backend, target in self.dnnBackendsAndTargets:
if backend != cv.dnn.DNN_BACKEND_OPENCV:
continue
printParams(backend, target)
net.setPreferableBackend(backend)
net.setPreferableTarget(target)
src_shape = [1, 2, 5, 5]
dst_shape = [1, 2, 3, 3]
inp = np.arange(0, np.prod(src_shape), dtype=np.float32).reshape(src_shape)
roi = np.empty(dst_shape, dtype=np.float32)
net.setInput(inp, "input")
net.setInput(roi, "roi")
out = net.forward()
ref = inp[:, :, 1:4, 1:4]
normAssert(self, out, ref)
cv.dnn_unregisterLayer('CropCaffe')
# check that dnn module can work with 3D tensor as input for network
def test_input_3d(self):
model = self.find_dnn_file('dnn/onnx/models/hidden_lstm.onnx')
input_file = self.find_dnn_file('dnn/onnx/data/input_hidden_lstm.npy')
output_file = self.find_dnn_file('dnn/onnx/data/output_hidden_lstm.npy')
if model is None:
raise unittest.SkipTest("Missing DNN test files (dnn/onnx/models/hidden_lstm.onnx). "
"Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
if input_file is None or output_file is None:
raise unittest.SkipTest("Missing DNN test files (dnn/onnx/data/{input/output}_hidden_lstm.npy). "
"Verify OPENCV_DNN_TEST_DATA_PATH configuration parameter.")
input = np.load(input_file)
# we have to expand the shape of input tensor because Python bindings cut 3D tensors to 2D
# it should be fixed in future. see : https://github.com/opencv/opencv/issues/19091
# please remove `expand_dims` after that
input = np.expand_dims(input, axis=3)
gold_output = np.load(output_file)
for backend, target in self.dnnBackendsAndTargets:
printParams(backend, target)
net = cv.dnn.readNet(model)
net.setPreferableBackend(backend)
net.setPreferableTarget(target)
net.setInput(input)
real_output = net.forward()
normAssert(self, real_output, gold_output, "", getDefaultThreshold(target))
def test_scalefactor_assign(self):
params = cv.dnn.Image2BlobParams()
self.assertEqual(params.scalefactor, (1.0, 1.0, 1.0, 1.0))
params.scalefactor = 2.0
self.assertEqual(params.scalefactor, (2.0, 0.0, 0.0, 0.0))
if __name__ == '__main__':
NewOpenCVTests.bootstrap()