Hiroki Nakahara
Papers
8
Total Citations
233
H-Index
6
About
Hiroki Nakahara is a prominent researcher specializing in FPGA-based hardware acceleration for deep learning, with a particular focus on real-time object detection and embedded computer vision systems. His work sits at the critical intersection of neural network optimization and reconfigurable computing, addressing the fundamental challenge of deploying computationally intensive deep learning models onto resource-constrained embedded platforms used in robotics, autonomous driving, and security applications. Nakahara's most significant contribution is his pioneering work on lightweight and hardware-efficient implementations of the YOLO object detection framework. His 2018 paper "A Lightweight YOLOv2" has garnered 135 citations, establishing him as a leading voice in efficient CNN deployment. He has explored innovative compression techniques including binarized neural networks, tri-state weight representations, nested Residue Number Systems (RNS), and weight sparseness to maximize performance-per-power ratios on FPGAs. His 2017 fully pipelined binarized CNN architecture further demonstrated his systems-level ingenuity, achieving high-speed multiscale object detection. More recently, his work has expanded into monocular depth estimation on FPGAs, broadening the scope of embedded 3D scene understanding. Collectively, Nakahara's research provides essential frameworks for bringing sophisticated AI perception capabilities to low-cost, energy-efficient embedded hardware.
Research Focus
Key Achievements
Top Papers
- 1A Lightweight YOLOv2135 citations · 2018
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- 4A Demonstration of FPGA-Based You Only Look Once Version2 (YOLOv2)18 citations · 2018
- 5Fast Monocular Depth Estimation on an FPGA8 citations · 2020
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