Koji Kotani - researchr alias

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2010

A WiMAX turbo decoder with tailbiting BIP architectureHiroaki Arai, Naoto Miyamoto, Koji Kotani, Hisanori Fujisawa, Takashi Ito. aspdac 2010: 371-372 [doi]

Highly Reliable and Drivability-Enhanced MOS Transistors with Rounded Nanograting ChannelsTakashi Ito, Xiaoli Zhu, Shin-Ichiro Kuroki, Koji Kotani. ieicet, 93-C(11):1638-1644, 2010. [doi]

2009

Self-Vth-Cancellation High-Efficiency CMOS Rectifier Circuit for UHF RFIDsKoji Kotani, Takashi Ito. ieicet, 92-C(1):153-160, 2009. [doi]

2008

2007

Improving Execution Speed of FPGA using Dynamically Reconfigurable TechniqueRoel Pantonial, Md. Ashfaquzzaman Khan, Naoto Miyamoto, Koji Kotani, Shigetoshi Sugawa, Tadahiro Ohmi. aspdac 2007: 108-109 [doi]

Characteristics of Nano-Grating N-Channel MOSFETs for Improved Current DrivabilityXiaoli Zhu, Shin-Ichiro Kuroki, Koji Kotani, Hideharu Shido, Masatoshi Fukuda, Yasuyoshi Mishima, Takashi Ito. ieicet, 90-C(9):1830-1836, 2007. [doi]

2006

2005

Enhanced fast encoding method for vector quantization by finding an optimally-ordered Walsh transform kernelZhibin Pan, Koji Kotani, Tadahiro Ohmi. icip 2005: 573-576 [doi]

A generalized multiple projection axes method for fast encoding of vector quantizationZhibin Pan, Koji Kotani, Tadahiro Ohmi. prl, 26(9):1316-1326, 2005. [doi]

Performance Comparison between Equal-Average Equal-Variance Equal-Norm Nearest Neighbor Search (EEENNS) Method and Improved Equal-Average Equal-Variance Nearest Neighbor Search (IEENNS) Method for Fast Encoding of Vector QuantizationZhibin Pan, Koji Kotani, Tadahiro Ohmi. ieicet, 88-D(9):2218-2222, 2005. [doi]

Improved fast encoding method for vector quantization based on subvector techniqueZhibin Pan, Koji Kotani, Tadahiro Ohmi. iscas 2005: 6332-6335 [doi]

Fast Search Method for Image Vector Quantization Based on Equal-Average Equal-Variance and Partial Sum ConceptZhibin Pan, Koji Kotani, Tadahiro Ohmi. icmcs 2005: 1440-1443 [doi]

Recursive computation method for fast encoding of vector quantization based on 2-pixel-merging sum pyramid data structureZhibin Pan, Koji Kotani, Tadahiro Ohmi. prl, 26(11):1684-1690, 2005. [doi]

2004

A Dynamically-Reconfigurable Image Recognition ProcessorKazuyuki Maruo, Masayoshi Ichikawa, Naoto Miyamoto, Leo Karnan, Takahiro J. Yamaguchi, Koji Kotani, Tadahiro Ohmi. ipps 2004: [doi]

A small-area high-performance 512-point 2-dimensional FFT single-chip processorNaoto Miyamoto, Leo Karnan, Kazuyuki Maruo, Koji Kotani, Tadahiro Ohmi. aspdac 2004: 537-538 [doi]

The flexible processor an approach for single-chip hardware emulation by dynamic reconfigurationTakeshi Ohkawa, Toshiyuki Nozawa, Masanori Fujibayashi, Naoto Miyamoto, Leo Karnan, Soichiro Kita, Koji Kotani, Tadahiro Ohmi. aspdac 2004: 557-558 [doi]

An improved fast encoding algorithm for vector quantization using 2-pixel-merging sum pyramid data structureZhibin Pan, Koji Kotani, Tadahiro Ohmi. prl, 25(4):459-468, 2004. [doi]

An Improved Fast Encoding Algorithm for Vector Quantization Using 2-Pixel-Merging Sum Pyramid and Manhattan-Distance-First CheckZhibin Pan, Koji Kotani, Tadahiro Ohmi. ieicet, 87-D(2):494-499, 2004. [doi]

Improved fast search method for vector quantization using discrete walsh transformZhibin Pan, Koji Kotani, Tadahiro Ohmi. icip 2004: 3177-3180

An improved fast encoding method for vector quantization based on memory-efficient data structureZhibin Pan, Koji Kotani, Tadahiro Ohmi. icmcs 2004: 1119-1122

2003

Still image compression method based on adaptive block segmentation vector quantization techniqueTakahiro Nakayama, Koji Takeuchi, Masahiro Konda, Koji Kotani, Tadahiro Ohmi. icip 2003: 275-278

A post-processing method for vector quantization to achieve higher PSNR and nearly constant bit rateZhibin Pan, Koji Kotani, Tadahiro Ohmi. iscas 2003: 436-439 [doi]

2002

Face recognition using vector quantization histogram methodKoji Kotani, Feifei Lee, Qiu Chen, Tadahiro Ohmi. icip 2002: 105-108

A hierarchical fast encoding algorithm for vector quantization with PSNR equivalent to full searchZhibin Pan, Koji Kotani, Tadahiro Ohmi. iscas 2002: 797-800 [doi]

2000

A fast search method of speaker identification for large population using pre-selection and hierarchical matchingZhibin Pan, Koji Kotani, Tadahiro Ohmi. interspeech 2000: 290-293 [doi]

1999

Association hardware for intelligent electronic systemsTadahiro Ohmi, Tadashi Shibata, Koji Kotani, Tsutomu Nakai, Akira Nakada, Ning Mei Yu, Masahiro Konda, Tatsuo Morimoto, Yuichiro Yamashita. scjapan, 30(12):52-62, 1999. [doi]

1993

Implementing Intelligence on Silicon Using Neuron-Like Functional MOS TransistorsTadashi Shibata, Koji Kotani, Takeo Yamashita, Hiroshi Ishii, Hideo Kosaka, Tadahiro Ohmi. nips 1994: 919-926 [doi]