OpenVINO R3 OpenCV4.1.2 darknet YOLOv3 failed yolo_106

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OpenVINO R3 OpenCV4.1.2 darknet YOLOv3 failed yolo_106

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I compile OpenCV 4.1.2 from source ，add python3.6.4 banding，OpenVINO R3，when i use net.setPreferableBackend(cv2.dnn.DNN_BACKEND_INFERENCE_ENGINE) and net.setPreferableTarget(cv2.dnn.DNN_TARGET_OPENCL) to load darknet yolov3.weights, it comes to failed with logs:

cv2.error: OpenCV(4.1.2) D:\software\opencv-4.1.2\modules\dnn\src\op_inf_engine.cpp:704: error: (-215:Assertion failed) Failed to initialize Inference Engine backend: Unsupported primitive of type: OpenCVLayer name: yolo_106 in function 'cv::dnn::InfEngineBackendNet::initPlugin'

Can anyone help me?

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