Peicheng Shi Qing Zhang Aixi Yang Dual-module spatial temporal information enhancement graph convolutional network for recognizing traffic police command gestures. 92 2025 January 19 Signal Image Video Process. 1 https://doi.org/10.1007/s11760-024-03729-6 db/journals/sivp/sivp19.html#ShiZY25 streams/journals/sivp