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APCCAS
2002
IEEE
95views Hardware» more  APCCAS 2002»
13 years 9 months ago
Reducing power consumption of instruction ROMs by exploiting instruction frequency
This paper proposes a new approach to reducing the power consumption of instruction ROMs for embedded systems. The power consumption of instruction ROMs strongly depends on the sw...
Koji Inoue, Vasily G. Moshnyaga, Kazuaki Murakami
APCCAS
2002
IEEE
156views Hardware» more  APCCAS 2002»
13 years 9 months ago
Bit-plane watermarking for zerotree-coded images
In this paper, we develop a robust bit-plane watermarking technique based on zerotree coding. A robust watermark is an imperceptible but indelible code that can be used for owners...
Shih-Hsuan Yang, Hsin-Chang Chen
APCCAS
2002
IEEE
90views Hardware» more  APCCAS 2002»
13 years 9 months ago
A six-order wideband bandpass sigma-delta modulator
Hossein Shamsi, Omid Shoaei, Mohammad Yavari, M. Y...
APCCAS
2002
IEEE
157views Hardware» more  APCCAS 2002»
13 years 9 months ago
Multiplier energy reduction through bypassing of partial products
Designof portablebattery operatedmultimediadevices requires energy-ecient multiplication circuits. This paper presents a novel approach to reduce power consumption of digital mul...
Jun-ni Ohban, Vasily G. Moshnyaga, Koji Inoue
APCCAS
2002
IEEE
92views Hardware» more  APCCAS 2002»
13 years 9 months ago
A cellular-automaton-type image extraction algorithm and its implementation using an FPGA
This paper proposes a new region extraction algorithm based on cellular automaton operation, which only utilizes the region boundary information of the image. A simple pixel circu...
Teppei Nakano, Takashi Morie, Makoto Nagata, Atsus...
APCCAS
2002
IEEE
138views Hardware» more  APCCAS 2002»
13 years 9 months ago
A 2.5-V 10-bit 40-MS/S double sampling pipeline A/D converter
This paper presents a 10-bit pipeline ADC using double sampling technique to achieve a conversion rate of 40 MS/s at 2.5-V supply. The opamps are two-stage with folded-cascode as ...
A. Tamtrakarn, N. Wongkomet
APCCAS
2002
IEEE
111views Hardware» more  APCCAS 2002»
13 years 9 months ago
Low-voltage high-speed PWM signal generations based on relaxation oscillator
This paper new two simple PWM (Pulse Width Modulation) signal generations based on modified relaxation oscillator are introduced. Their advantages of the proposed principle are th...
Montree Siripruchyanun, Paramote Wardkein
APCCAS
2002
IEEE
80views Hardware» more  APCCAS 2002»
13 years 9 months ago
Speech enhancement for nonstationary noise environment
L. Lin, Eliathamby Ambikairajah, W. H. Holmes