Takafumi Nishikawa

Concrete Crack Detection by Multiple Sequential Image Filtering

Takafumi Nishikawa, Junji Yoshida, Toshiyuki Sugiyama et al. · Computer-Aided Civil and Infrastructure Engineering · 2011 · 352 citations

A 60-mW MPEG4 video codec using clustered voltage scaling with variable supply-voltage scheme

Masafumi Takahashi, M. Hamada, Takafumi Nishikawa et al. · IEEE Journal of Solid-State Circuits · 1998 · 118 citations

Low-power Electronics, H.263 Itu-t Recommendation, Engineering +12

A 60 MHz 240 mW MPEG-4 video-phone LSI with 16 Mb embedded DRAM

Takafumi Nishikawa, Masafumi Takahashi, M. Hamada et al. · 2002 · 45 citations

Hardware Security, Low-power Electronics, Electrical Engineering +13

A 160 mW, 80 nA standby, MPEG-4 audiovisual LSI with 16 Mb embedded DRAM and a 5 GOPS adaptive post filter

Hideho Arakida, Masafumi Takahashi, Yoshiyuki Tsuboi et al. · 2003 · 37 citations

System On Chip, Engineering, Analog-to-digital Converter +13

A 63-mW H.264/MPEG-4 Audio/Visual Codec LSI With Module-Wise Dynamic Voltage/Frequency Scaling

T. Fujiyoshi, S. Shiratake, Shuou Nomura et al. · IEEE Journal of Solid-State Circuits · 2005 · 35 citations

Qvga H.264 Video, Engineering, Multimedia Signal Processing +8