ðð®ð-ð°ð³ð¯ ðð¼ðºð½ððð²ð¿ ð©ð¶ðð¶ð¼ð» ðð²ð®ð¿ð»ð¶ð»ð´ Temporally Efficient Vision Transformer for Video Instance Segmentation by Huazhong University of Science & Technology Follow me for a similar post: Ashish Patel ------------------------------------------------------------------- ðð»ðð²ð¿ð²ððð¶ð»ð´ ðð®ð°ðð : ð¸ This paper is published #CVPR2022. ------------------------------------------------------------------- ðð ð£ð¢ð¥ð§ðð¡ðð âï¸ Recently vision transformer has achieved tremendous success on image-level visual recognition tasks. âï¸ To effectively and efficiently model the crucial temporal information within a video clip, we propose a Temporally Efficient Vision Transformer (TeViT) for video instance segmentation (VIS). âï¸ Different from previous transformer-based VIS methods, TeViT is nearly convolution-free, which contains a transformer backbone and a query-based video instance segmentation head. âï¸ In the backbone stage, we propose a nearly parameter-free messenger shift mechanism for early temporal context fusion. âï¸ In the head stages, we propose a parameter-shared spatiotemporal query interaction mechanism to build the one-to-one correspondence between video instances and queries. âï¸ Thus, TeViT fully utilizes both framelevel and instance-level temporal context information and obtains strong temporal modeling capacity with negligible extra computational cost. âï¸ On three widely adopted VIS benchmarks, i.e., YouTube-VIS-2019, YouTube-VIS-2021, and OVIS, TeViT obtains state-of-the-art results and maintains high inference speed, e.g., 46.6 AP with 68.9 FPS on YouTube-VIS-2019. #computervision #artificialintelligence #deeplearning #technology
https://github.com/hustvl/TeViT https://arxiv.org/abs/2204.08412