Abstract
A circuit that carries out an Hadamard transform of an input image using the pulse width modulation technique is proposed. The proposed circuit architecture realizes the function of an Hadamard transform with a full-size pixel image. A test chip that we designed and fabricated integrates 64 × 64 pixels in a 4.9mm × 4.9mm area, with 0.35 μm CMOS technology. The functional operation and linearity of this chip are measured. An image processing application utilizing this chip is demonstrated.
| Original language | English |
|---|---|
| Pages (from-to) | 1596-1603 |
| Number of pages | 8 |
| Journal | IEICE Transactions on Electronics |
| Volume | E85-C |
| Issue number | 8 |
| Publication status | Published - 2002 |
| Externally published | Yes |
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Keywords
- Charge sharing
- Hadamard transform
- Image sensor
- Pulse width modulation technique
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering
Cite this
An Hadamard transform chip using the PWM circuit technique and its application to image processing. / Katayama, Kosuke; Atsushi, Iwata; Takashi, Morie; Makoto, Nagata.
In: IEICE Transactions on Electronics, Vol. E85-C, No. 8, 2002, p. 1596-1603.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - An Hadamard transform chip using the PWM circuit technique and its application to image processing
AU - Katayama, Kosuke
AU - Atsushi, Iwata
AU - Takashi, Morie
AU - Makoto, Nagata
PY - 2002
Y1 - 2002
N2 - A circuit that carries out an Hadamard transform of an input image using the pulse width modulation technique is proposed. The proposed circuit architecture realizes the function of an Hadamard transform with a full-size pixel image. A test chip that we designed and fabricated integrates 64 × 64 pixels in a 4.9mm × 4.9mm area, with 0.35 μm CMOS technology. The functional operation and linearity of this chip are measured. An image processing application utilizing this chip is demonstrated.
AB - A circuit that carries out an Hadamard transform of an input image using the pulse width modulation technique is proposed. The proposed circuit architecture realizes the function of an Hadamard transform with a full-size pixel image. A test chip that we designed and fabricated integrates 64 × 64 pixels in a 4.9mm × 4.9mm area, with 0.35 μm CMOS technology. The functional operation and linearity of this chip are measured. An image processing application utilizing this chip is demonstrated.
KW - Charge sharing
KW - Hadamard transform
KW - Image sensor
KW - Pulse width modulation technique
UR - http://www.scopus.com/inward/record.url?scp=0036670443&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0036670443&partnerID=8YFLogxK
M3 - Article
AN - SCOPUS:0036670443
VL - E85-C
SP - 1596
EP - 1603
JO - IEICE Transactions on Electronics
JF - IEICE Transactions on Electronics
SN - 0916-8524
IS - 8
ER -