Keijiro Umehara

Solid State Imaging Techniques. A CMOS Image Sensor for Focal-plane Compression using Analog 2-D DCT Circuits and an Adaptive Resolution A/D Converter.

Akira Matsuzawa, Yoshiaki Tadokoro, Daisuke Miyazaki, 1998 .

A CMOS image sensor with analog two-dimensional DCT-based compression circuits for one-chip cameras

Akira Matsuzawa, Yoshiaki Tadokoro, Daisuke Miyazaki, 1997, IEEE J. Solid State Circuits.

A CMOS image sensor with analog two-dimensional DCT-based compression circuits for one-chip cameras

Akira Matsuzawa, Yoshiaki Tadokoro, Daisuke Miyazaki, 1997, IEEE J. Solid State Circuits.

An On-chip Image Encoder of Functional Image Sensor Using Analog 2-D DCT Processor and Adaptive ADC/Quantizer

Akira Matsuzawa, Yoshiaki Tadokoro, Shoji Kawahito, 1996 .