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A 64.1mW Accurate Real-Time Visual Object Tracking Processor With Spatial Early Stopping on Siamese Network
IEEE Transactions on Circuits and Systems II: Express Briefs ( IF 4.0 ) Pub Date : 2021-03-19 , DOI: 10.1109/tcsii.2021.3067351
Soyeon Kim , Sangjin Kim , Sangyeob Kim , Donghyeon Han , Hoi-Jun Yoo

A low power real-time visual object tracking (VOT) processor using the siamese network (SiamNet) is proposed for mobile devices. Two key features enable a real-time VOT with low power consumption on mobile devices. First, correlation-based spatial early stopping (CSES) is proposed to reduce the computational workload. CSES reduces ~56.8% of the overall computation of the SiamNet by gradually eliminating the background. Second, the dual mode reuse core (DMRC) is proposed for supporting both the convolution layer and the cross-correlation layer with high core utilization. Finally, the proposed VOT processor is implemented in 28 nm CMOS technology and occupies 0.42 mm 2 . The proposed processor achieves 0.587 for the success rate and 0.778 for the precision in the OTB-100 dataset with SiamRPN++-AlexNet. Compared to previous VOT processors, the proposed processor shows state-of-the-art performance while showing lower power consumption. The proposed processor achieves 64.1 mW peak power and 58.2 mW tracking power consumption at 32.1 frame-per-second (fps) real-time VOT on mobile devices.

中文翻译:


暹罗网络上具有空间早停功能的 64.1mW 精确实时视觉目标跟踪处理器



为移动设备提出了一种使用暹罗网络(SiamNet)的低功耗实时视觉对象跟踪(VOT)处理器。两个关键功能可在移动设备上实现低功耗的实时 VOT。首先,提出了基于相关性的空间早停(CSES)来减少计算工作量。 CSES 通过逐渐消除背景,减少了 SiamNet 整体计算量的约 56.8%。其次,提出了双模式重用核心(DMRC),以支持高核心利用率的卷积层和互相关层。最后,所提出的VOT处理器采用28 nm CMOS技术实现,占据0.42 mm 2 。所提出的处理器在 SiamRPN++-AlexNet 的 OTB-100 数据集中实现了 0.587 的成功率和 0.778 的精度。与之前的 VOT 处理器相比,该处理器展现了最先进的性能,同时功耗更低。该处理器在移动设备上以每秒 32.1 帧 (fps) 的实时 VOT 速度实现 64.1 mW 峰值功率和 58.2 mW 跟踪功耗。
更新日期:2021-03-19
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