<h5 dir="auto">System information (version)</h5>

<ul dir="auto">
<li>OpenCV =&gt; 4.1.2</li>
<li>Operating System / Platform =&gt; Windows 64 Bit</li>
<li>Compiler =&gt; Visual Studio 2015</li>
</ul>
<h5 dir="auto">Detailed description</h5>

<p dir="auto">I compiled OpenCV4.1.2 from source , add OpenVINO R3 support and banding to python3.6.4.<br>
When i use net.setPreferableBackend(cv2.dnn.DNN_BACKEND_INFERENCE_ENGINE)<br>
net.setPreferableTarget(cv2.dnn.DNN_TARGET_OPENCL) to load darknet yolov3.weights, it comes to failed with log:<br>
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'</p>
<p dir="auto">Can anyone help me?</p>
<h5 dir="auto">Steps to reproduce</h5>
<p dir="auto">Corrupt JPEG data: 1 extraneous bytes before marker 0xdb</p>