#!/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, lInf=1e-5): test.assertLess(np.max(np.abs(a - b)), lInf) 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, ref, out, confThreshold=0.0, scores_diff=1e-5, boxes_iou_diff=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:] matchedRefBoxes = [False] * len(refBoxes) errMsg = '' for i in range(len(refBoxes)): 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) # Returns a simple one-layer network created from Caffe's format def getSimpleNet(): prototxt = """ name: "simpleNet" input: "data" layer { type: "Identity" name: "testLayer" top: "testLayer" bottom: "data" } """ return cv.dnn.readNetFromCaffe(bytearray(prototxt, 'utf8')) def testBackendAndTarget(backend, target): net = getSimpleNet() net.setPreferableBackend(backend) net.setPreferableTarget(target) inp = np.random.standard_normal([1, 2, 3, 4]).astype(np.float32) try: net.setInput(inp) net.forward() except BaseException as e: return False return True haveInfEngine = testBackendAndTarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_CPU) dnnBackendsAndTargets = [ [cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_CPU], ] if haveInfEngine: dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_CPU]) if testBackendAndTarget(cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_MYRIAD): dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_MYRIAD]) if cv.ocl.haveOpenCL() and cv.ocl.useOpenCL(): dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_OPENCL]) dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_OPENCV, cv.dnn.DNN_TARGET_OPENCL_FP16]) if haveInfEngine: # FIXIT Check Intel iGPU only dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL]) dnnBackendsAndTargets.append([cv.dnn.DNN_BACKEND_INFERENCE_ENGINE, cv.dnn.DNN_TARGET_OPENCL_FP16]) 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])) class dnn_test(NewOpenCVTests): def find_dnn_file(self, filename, required=True): return self.find_file(filename, [os.environ.get('OPENCV_DNN_TEST_DATA_PATH', os.getcwd())], required=required) 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_face_detection(self): testdata_required = bool(os.environ.get('OPENCV_DNN_TEST_REQUIRE_TESTDATA', False)) proto = self.find_dnn_file('dnn/opencv_face_detector.prototxt2', required=testdata_required) model = self.find_dnn_file('dnn/opencv_face_detector.caffemodel', required=testdata_required) 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 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 normAssertDetections(self, ref, out, 0.5, scoresDiff, iouDiff) if __name__ == '__main__': NewOpenCVTests.bootstrap()