193 results about "Receptive field" patented technology

The invention relates to an adversarial-based lightweight network semantic segmentation method, which is used for solving the problems of low prediction accuracy, low network processing speed and difficulty in meeting the requirement of real-time prediction. The invention provides a lightweight semantic segmentation method based on adversarial from the perspective of improving semantic segmentation speed and precision. The method comprises the following steps: firstly, improving the network information acquisition capability by reducing the number of channels, reducing the parameter quantity in jump connection by utilizing asymmetric convolution, increasing the receptive field of a feature map by utilizing cavity convolution and disturbing the operation of the channels, and constructing alightweight asymmetric encoding and decoding semantic segmentation network; using confrontation ideas, and judging the segmented image and the calibrated semantic label by using a judgment network, designing a judgment loss function and a segmentation loss function, and alternately updating the segmentation network and the judgment network by using a back propagation method until the judgment network cannot distinguish the label and the real label generated by the segmentation network, thereby realizing semantic segmentation of the image. According to the method, the lightweight model and theadversarial idea are utilized, so that the segmentation precision is relatively high while the real-time performance of the segmentation network is ensured.