Main Publications/Presentations
Image Sensors

Y. Oike, M. Ikeda, and K. Asada,
``Design and Implementation of Real-Time 3-D Image Sensor With 640 x 480 Pixel Resolution,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 4, pp. 622 -- 628, Apr. 2004. [PDF] /[IEEE Explore]
(This achievement was partly presented in IEEE Symposium on VLSI Circuits (Symp. VLSI), Jun. 2003. [PDF])

Y. Oike, M. Ikeda, and K. Asada,
``A 375 x 365 High-Speed 3-D Range-Finding Image Sensor Using Row-Parallel Search Architecture and Multi-Sampling Technique,''
IEEE Journal of Solid-State Circuits, Vol. 40, No. 2, pp. 444 -- 453, Feb. 2005. [PDF] /[IEEE Explore]
(This achievement was partly presented in IEEE Int. Conf. Solid-State Circuits (ISSCC), Feb. 2004. [PDF])

Y. Oike, M. Ikeda, and K. Asada,
``A 120 x 110 Position Sensor With the Capability of Sensitive and Selective Light Detection in Wide Dynamic Range for Robust Range Finding,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 1, pp. 246 -- 251, Jan. 2004. [PDF] /[IEEE Explore]
(This achievement was partly presented in IEEE Int. Conf. Solid-State Circuits (ISSCC), Feb. 2003. [PDF])

Y. Oike, M. Ikeda, and K. Asada,
``A Pixel-Level Color Demodulation Image Sensor for Support of Image Recognition,''
IEICE Trans. on Electronics, Vol. E87-C, No. 12, pp. 1651 -- 1658, Dec. 2004. [PDF] /[IEICE Site]
(This achievement was partly presented in IEEE Symposium on VLSI Circuits (Symp. VLSI), Jun. 2004. [PDF])
Associative Engines/Content Addressable Memories

Y. Oike, M. Ikeda, and K. Asada,
``A High-Speed and Low-Voltage Associative Co-Processor With Exact Hamming/Manhattan-Distance Estimation Using Word-Parallel and Hierarchical Search Architecture,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 8, pp. 1383 -- 1387, Aug. 2004. [PDF] /[IEEE Explore]
(This achievement was partly presented in IEEE Custom Integrated Circuits Conf. (CICC), Sep. 2003. [PDF])

Y. Oike, M. Ikeda, and K. Asada,
``A Word-Parallel Digital Associative Engine with Wide Search Range Based on Manhattan Distance,''
in Proc. of IEEE Custom Integrated Circuits Conference (CICC), pp. 295 -- 298, Oct. 2004. [PDF] /[IEEE Explore]

Y. Oike, M. Ikeda, and K. Asada,
``Hierarchical Multi-Chip Architecture for High Capacity Scalability of Fully Parallel Hamming-Distance Associative Memories,''
IEICE Trans. on Electronics, Vol. E87-C, No. 11, pp. 1847 - 1855, Nov. 2004. [PDF] /[IEICE Site]



All Publications/Presentations
Technical Journal Papers

02/05
[1] Y. Oike, M. Ikeda, and K. Asada,
``A 375 x 365 High-Speed 3-D Range-Finding Image Sensor Using Row-Parallel Search Architecture and Multi-Sampling Technique,''
IEEE Journal of Solid-State Circuits, Vol. 40, No. 2, pp. 444 -- 453, Feb. 2005. [PDF] /[IEEE Explore]

12/04
[2] Y. Oike, M. Ikeda, and K. Asada,
``A Pixel-Level Color Demodulation Image Sensor for Support of Image Recognition,''
IEICE Trans. on Electronics, Vol. E87-C, No. 12, pp. 1651 -- 1658, Dec. 2004. [PDF] /[IEICE Site]

11/04
[3] Y. Oike, M. Ikeda, and K. Asada,
``Hierarchical Multi-Chip Architecture for High Capacity Scalability of Fully Parallel Hamming-Distance Associative Memories,''
IEICE Trans. on Electronics, Vol. E87-C, No. 11, pp. 1847 - 1855, Nov. 2004. [PDF] /[IEICE Site]

08/04
[4] Y. Oike, M. Ikeda, and K. Asada,
``A High-Speed and Low-Voltage Associative Co-Processor With Exact Hamming/Manhattan-Distance Estimation Using Word-Parallel and Hierarchical Search Architecture,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 8, pp. 1383 -- 1387, Aug. 2004. [PDF] /[IEEE Explore]

06/04
[5] Y. Oike, M. Ikeda, and K. Asada,
``A Smart Image Sensor with High-Speed and High-Sensitivity ID Beacon Detection for Augmented Reality System,''
ITE Journal, Vol. 58, No. 6, pp. 835 - 841, Jun. 2004. (in Japanese) [PDF]

[6] Y. Oike, M. Ikeda, and K. Asada,
``Smart Access Image Sensors for High-Speed and High-Resolution 3-D Measurement Based on Light-Section Method,''
Int. Journal of Intelligent Automation and Soft Computing (AutoSoft), AutoSoft Press, Vol. 10, No. 2, pp. 105 -- 128, Jun 2004. (Review Paper) [PDF]

04/04
[7] Y. Oike, M. Ikeda, and K. Asada,
``Design and Implementation of Real-Time 3-D Image Sensor With 640 x 480 Pixel Resolution,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 4, pp. 622 -- 628, Apr. 2004. [PDF] /[IEEE Explore]

01/04
[8] Y. Oike, M. Ikeda, and K. Asada,
``A 120 x 110 Position Sensor With the Capability of Sensitive and Selective Light Detection in Wide Dynamic Range for Robust Range Finding,''
IEEE Journal of Solid-State Circuits, Vol. 39, No. 1, pp. 246 -- 251, Jan. 2004. [PDF] /[IEEE Explore]

11/03
[9] Y. Oike, M. Ikeda, and K. Asada,
``A Row-Parallel Position Detector for High-Speed 3-D Camera Based on Light-Section Method,''
IEICE Trans. on Electronics, Vol. E86-C, No. 11, pp. 2320 -- 2328, Nov. 2003. [PDF] /[IEICE Site]

10/03
[10] Y. Oike, M. Ikeda, and K. Asada,
``High Performance Photo Detector for Correlative Feeble Lighting Using Pixel-Parallel Sensing,''
IEEE Sensors Journal, Vol. 3, No. 5, pp. 640 -- 645, Oct. 2003. [PDF] /[IEEE Explore]

09/03
[11] Y. Oike, H. Shintaku, M. Ikeda, and K. Asada,
``A High-Resolution and Real-Time 3-D Imaging System Based on Light-Section Method,''
ITE Journal, Vol. 57, No. 9, pp. 1149 -- 1151, Sep. 2003. (in Japanese) [PDF]

03/03
[12] Y. Oike, M. Ikeda, and K. Asada,
``A CMOS Image Sensor for High-Speed Active Range Finding Using Column-Parallel Time-Domain ADC and Position Encoder,''
IEEE Trans. on Electron Devices, Vol. 50, No. 1, pp.152 -- 158, Jan. 2003. [PDF] /[IEEE Explore]

08/02
[13] Y. Oike, M. Ikeda, and K. Asada,
``High-Sensitivity and Wide-Dynamic-Range Position Sensor Using Logarithmic-Response and Correlation Circuit,''
IEICE Trans. on Electronics, Vol. E85-C, No. 8, pp.1651 -- 1658, Aug. 2002. [PDF] /[IEICE Site]
Commercial Journal Papers

07/04
[14] K. Asada and Y. Oike,
``Real-Time and High-Resolution 3-D Imaging System Based on Light-Section Method,''
Image Lab, Japan Industrial Publishing Co., Vol. 15, No. 7, pp. 40 -- 44, Jul. 2004. [PDF] (in Japanese)

09/01
[15] K. Asada, T. Nezuka, Y. Oike,
``Smart Access Sensors,''
Optronics, vol. 20, no. 237, pp.136 -- 141, Sep. 2002. [PDF] (in Japanese)
International Conference Papers

12/04
[16] Y. Oike, M. Ikeda, and K. Asada,
``Digital Associative Memories Based on Hamming Distance and Scalable Multi-Chip Architecture,''
in Proc. of IP Based System-on-Chip Design Forum & Exhibition (IP-SOC), pp. 127 -- 130, Dec. 2004. [PDF]

10/04
[17] Y. Oike, M. Ikeda, and K. Asada,
``A Word-Parallel Digital Associative Engine with Wide Search Range Based on Manhattan Distance,''
in Proc. of IEEE Custom Integrated Circuits Conference (CICC), pp. 295 -- 298, Oct. 2004. [PDF] /[IEEE Explore]

08/04
[18] Y. Oike, M. Ikeda, and K. Asada,
``Design and Implementation of Word-Parallel Digital Associative Memories,''
in Proc. of IEEE Asia-Pacific Conference on Advanced System Integrated Circuits (AP-ASIC), University Design Forum, pp. 428 -- 429, Aug. 2004. [PDF] /[IEEE Explore]

06/04
[19] Y. Oike, M. Ikeda, and K. Asada,
``A High-Speed XGA 3-D Image Sensor and Its Applications,''
in Proc. of the 6th Biannual World Automation Congress (WAC 2004), Jun. 2004. [PDF] /[IEEE Explore]

[20] Y. Oike, M. Ikeda, and K. Asada,
``A Pixel-Level Color Image Sensor With Efficient Ambient Light Suppression Using Modulated RGB Flashlight and Application to TOF Range Finding,''
IEEE Symposium on VLSI Circuits (VLSI Symp.) Dig. of Tech. Papers, pp. 298 -- 301, Jun. 2004. [PDF] /[IEEE Explore]

02/04
[21] Y. Oike, M. Ikeda, and K. Asada,
``A 375 x 365 3D 1k frame/s Range-Finding Image Sensor with 394.5 kHz Access Rate and 0.2 Sub-Pixel Accuracy,''
IEEE International Solid-State Circuits Conference (ISSCC) Dig. of Tech. Papers, pp.118 -- 119, Feb. 2004. [PDF] /[IEEE Explore]

01/04
[22] Y. Oike, M. Ikeda, and K. Asada,
``Design of Real-Time VGA 3-D Image Sensor Using Mixed-Signal Techniques,''
in Proc. of IEEE Asia and South Pacific Design Automation Conference (ASP-DAC), pp.523 -- 524, Jan. 2004. [PDF] /[IEEE Explore]
(Best Design Award)

10/03
[23] Y. Oike, H. Shintaku, S. Takayama, M. Ikeda, and K. Asada,
``Real-Time and High-Resolution 3-D Imaging System Using Light-Section Method and Smart CMOS Sensor,''
in Proc. of IEEE International Conference on Sensors (IEEE SENSORS), pp.502 -- 507, Oct. 2003. [PDF] /[IEEE Explore]

09/03
[24] Y. Oike, M. Ikeda, and K. Asada,
``A High-Speed and Low-Voltage Associative Co-Processor With Hamming Distance Ordering Using Word-Parallel and Hierarchical Search Architecture,''
in Proc. of IEEE Custom Integrated Circuits Conference (CICC), pp.643 -- 646, Sep. 2003. [PDF] /[IEEE Explore]

[25] Y. Oike, M. Ikeda, and K. Asada,
``A Smart Image Sensor With High-Speed Feeble ID-Beacon Detection for Augmented Reality System,''
in Proc. of European Solid-State Circuits Conference (ESSCIRC), pp.125 -- 128, Sep. 2003. [PDF] /[IEEE Explore]

06/03
[26] Y. Oike, M. Ikeda, and K. Asada,
``640x480 Real-Time Range Finder Using High-Speed Readout Scheme and Column-Parallel Position Detector,''
IEEE Symposium on VLSI Circuits (VLSI Symp.) Dig. of Tech. Papers, pp.153 -- 156, Jun. 2003. [PDF] /[IEEE Explore]

05/03
[27] Y. Oike, M. Ikeda, and K. Asada,
``High-Speed Position Detector Using New Row-Parallel Architecture For Fast Collision Prevention System,''
in Proc. of IEEE International Symposium on Circuits and Systems (ISCAS), Vol. 4, pp.788 -- 791, May. 2003. [PDF] /[IEEE Explore]

02/03
[28] Y. Oike, M. Ikeda, and K. Asada,
``An Active Range Finder With the Capability of -18 dB SBR, 48 dB Dynamic Range and 120 x 110 Pixel Resolution,''
IEEE International Solid-State Circuits Conference (ISSCC) Dig. of Tech. Papers, pp.208 -- 209, Feb. 2003. [PDF] /[IEEE Explore]

09/02
[29] Y. Oike, M. Ikeda, and K. Asada,
``Smart Sensor Architecture for Real-Time and High-Resolution Range Finding,''
in Proc. of European Solid-State Circuits Conference (ESSCIRC), pp.105 -- 108, Sep. 2002. [PDF] /[ESSCIRC Site]

06/02
[30] Y. Oike, M. Ikeda, and K. Asada,
``High Performance Photo Detector for Modulated Lighting,''
in Proc. of IEEE International Conference on Sensors (IEEE SENSORS), pp.1456 -- 1461, Jun. 2002. [PDF] /[IEEE Explore]

[31] Y. Oike, M. Ikeda, and K. Asada,
``High-sensitivity and Wide-dynamic-range Range Finder and Its Applications,''
in Proc. of the 5th Biannual World Automation Congress (WAC 2002), pp.417 -- 422, Jun. 2002. [PDF] /[IEEE Explore]

01/02
[32] Y. Oike, M. Ikeda, and K. Asada,
``High-sensitivity and Wide-dynamic-range Position Sensor Using Logarithmic-response and Correlation Circuit,''
presented at IEEE Int. Conf. on VLSI Design & ASP-DAC, Jan. 2002. [PDF]
(Best Design Award)

09/01
[33] Y. Oike, M. Ikeda, and K. Asada,
``Wide Dynamic Range Photo Detector for Smart Position Sensor Using Log-response and Correlation Circuit,''
Ext. Abst. of Int. Conf. on Solid State Devices and Materials (SSDM), pp.282 -- 283, Sep. 2001. [PDF]
Technical Society Meeting and Domestic Conference Publications

11/04
[34] Y. Yachide, Y. Oike, M. Ikeda, K. Asada,
``Implementation of a Real-Time 3-D Imaging System and Application to Multi-Viewpoint Measurement,''
Proc. of IEICE the 8th Workshop of System LSI, pp. 255 -- 258, Nov. 2004. (in Japanese)

10/04
[35] Y. Oike, H. Hashimoto, M. Ikeda, K. Asada,
``A Color Demodulation Image Sensor for Support of Image Recognition,''
ITE Technical Report, Vol. 28, No. 59, pp. 9 -- 12, Oct. 2004. (in Japanese)

09/04
[36] Y. Oike, M. Ikeda, K. Asada,
``Design of Digital Associative Engine for Manhattan Distance Search,''
in Proc. of IEICE Society Conference 2004, C-12-7, Sep. 2004. (in Japanese)

08/04
[37] Y. Oike, M. Ikeda, K. Asada,
``A 1024 x 768 High-Speed and High-Accuracy 3-D Image Sensor,''
in Proc. of ITE Annual Conference 2004, 19-1, Aug. 2004. (in Japanese)

07/04
[38] Y. Oike, M. Ikeda, K. Asada,
``A High-Speed 3-D Range Finder Using Row-Parallel Search Architecture,''
IEICE Technical Report, vol. 104, no. 174, pp. 7 -- 10, Jul. 2004. (in Japanese)

03/04
[39] Y. Oike, M. Ikeda, K. Asada,
``A High-Speed and Low-Voltage Associative Co-Processor Using Word-Parallel and Hierarchical Search Architecture,''
in Proc. of IEICE General Conference 2004, C-12-37, pp. 138, Mar. 2004. (in Japanese)

[40] Y. Yachide, Y. Oike, M. Ikeda, K. Asada,
``3D Measurement Method in Arbitrary Viewpoint Based on Light-Section Method by Using Smart Image Sensor,''
ITE Technical Report, vol. 28, no. 20, pp.33 -- 36, Mar. 2004. (in Japanese)

12/03
[41] Y. Oike, M. Ikeda, K. Asada,
``An Image Sensor with High-Speed Feeble ID Beacon Detection for Augmented Reality System,''
in Proc. of ITE Winter Conference 2003, 4-1, pp. 34, Dec. 2003. (in Japanese)

08/03
[42] Y. Oike, H. Shintaku, M. Ikeda, K. Asada,
``A Real-Time and High-Resolution 3-D Imaging System Using Smart CMOS Image Sensor,''
in Proc. of ITE Annual Conference 2003, 20-9, pp. 299 -- 300, Aug. 2003. (in Japanese)

05/03
[43] Y. Oike, M. Ikeda, K. Asada,
``Smart Active Range Finder With the Capability of High Sensitivity, High Selectivity and Wide Dynamic Range,''
IEICE Technical Report, vol. 103, no. 89, pp.7 -- 12, May 2003. (in Japanese)

03/03
[44] Y. Oike, M. Ikeda, K. Asada,
``640x480 Real-Time Range Finder Based on Light-Section Method,''
ITE Technical Report, vol. 27, no. 25, pp.1 -- 4, Mar. 2003. (in Japanese)

[45] H. Shintaku, Y. Oike, S. Takayama, M. Ikeda, K. Asada,
``Design of FPGA for Real-Time 3-D Imager Control and Fast Data Transmission,''
in Proc. of IEICE General Conference 2002, D-11-67, pp.67, Mar. 2003. (in Japanese)

[46] K. Asada, Y. Oike, M. Ikeda,
``Intelligent Imaging and Pre-Processing: Real-Time/Robust 3-D CMOS Imager,''
in Proc. of Scientific Research on Priority Areas Symposium, pp.3 -- 15, Mar. 2003. (in Japanese)

11/02
[47] Y. Oike, T. Nezuka, M. Ikeda, K. Asada,
``Challenges to Real-Time 3-D Imaging Based on Light-Section Method,''
JTTAS The 85th Regular Meeting of Next-Generation Vision System Committee, Nov. 2002.

10/02
[48] Y. Oike, M. Ikeda, K. Asada,
``High-Speed Position Detector Using Row-Parallel Architecture for Fast Collision Prevention System,''
IEICE Technical Report, vol. 102, no. 399, pp.7 -- 11, Oct. 2002. (in Japanese)

06/02
[49] Y. Oike, M. Ikeda, K. Asada,
``Smart Sensor Architecture for Real-Time High-Resolution 3-D Measurement and Its Implementation,''
ITE Technical Report, vol. 26, no. 41, pp.37 -- 40, Jun. 2002. (in Japanese)

04/02
[50] Y. Oike, M. Ikeda, K. Asada,
``High-Speed Content-Addressable Memory Using Synchronous Hamming Distance Search Circuits,''
IEICE Technical Report, vol. 102, no. 2, pp.19 -- 24, Apr. 2002. (in Japanese)

03/02
[51] Y. Oike, M. Ikeda, K. Asada,
``New Pixel Architecture for High-Sensitivity Position Detection,''
in Proc. of IEICE General Conference 2002, C-12-47, pp.129, Mar. 2002. (in Japanese)

[52] K. Asada, T. Nezuka, Y. Oike,
``Real-Time 3-D Measurement System Using Smart Access Image Sensor,''
in Proc. of Scientific Research on Priority Areas Symposium, pp.3 -- 12, Mar. 2002. (in Japanese)

11/01
[53] Y. Oike, M. Ikeda, K. Asada,
``Design and Evaluation of High-sensitivity and Wide-dynamic-range Position Sensor for 3-D Measurement,''
in Proc. of IEICE the 5th Workshop on System LSI in Kitakyushu, pp.307 -- 310, Nov. 2001. (in Japanese)

09/01
[54] Y. Oike, M. Ikeda, K. Asada,
``High-speed and High-accuracy Position Sensor for 3-D Measurement Using Row Parallel Processing on the Sensor Plane,''
IEICE Technical Report, vol.101, no.282, pp.83 -- 88, Sep. 2001. (in Japanese)

07/01
[55] Y. Oike, M. Ikeda, K. Asada,
``Design of Wide Dynamic Range Photo Detector Using Log-response and Correlation Circuit,''
in Proc. of IPSJ DA Synposium, pp.159 -- 161, Jul. 2001. (in Japanese)

03/01
[56] K. Asada, T. Nezuka, Y. Oike, M. Hoshino,
``Smart Sensor for 3-D Measurement,''
in Proc. of Scientific Research on Priority Areas Symposium, pp.3 -- 8, Mar. 2001. (in Japanese)

03/01
[57] Y. Oike, M. Ikeda, K. Asada,
``An Image Sensor for 3-D Measurement with Correlation Technique,''
in Proc. of IEICE General Conference 2001, C-12-27, pp.122, Mar. 2001. (in Japanese)
Dissertation

12/04
[58] Y. Oike,
``Smart Image Sensors and Associative Engines for Three Dimensional Image Capture,''
Ph.D. Dissertation, University of Tokyo, Dec. 2004. [PDF]

02/02
[59] Y. Oike,
``High-Performance Smart Image Sensor for 3-D Measurement,''
Master's Thesis, University of Tokyo, Feb. 2002. [PDF] (in Japanese)

02/00
[60] Y. Oike,
``Yield Analysis and Modeling for Minimum-Distance Detector Using Time-Domain Technique,''
Graduation Thesis, University of Tokyo, Feb. 2000. [PDF] (in Japanese)
Other Presentations/Publications

06/04
[61] Y. Oike
``Trend of CMOS Imaging Device Technologies,''
Ph.D/Master Course Seminar, University of Tokyo, Jun. 2004. [PDF]

03/04
[62] K. Asada, Y. Oike, and M. Ikeda
``Three Dimensional Image Sensor for Real Time Application Based on Triangulation,''
in Proc. of International Symposium on Electronics for Future Generations,, pp. 95 -- 100, Mar. 2004. [PDF]
Awards

05/04
Nikkei-BP IP Award 2004: the Outstanding IP Award [URL]
"A High-Speed Associative Processor Using Hierarchical Search Architecture Based on Hamming Distance"

01/04
Best Design Award [PDF]
IEEE Asia and South Pacific Design Automation Conference (ASP-DAC), Jan. 2004.
"Design of Real-Time VGA 3-D Image Sensor Using Mixed-Signal Techniques"

10/03
Finalist of Best Student Paper Award [Certification]
IEEE Int. Conf. on Sensors (IEEE SENSORS), Oct. 2003.
"Real-Time and High-Resolution 3-D Imaging System Using Light-Section Method and Smart CMOS Sensor"

06/03
Nikkei-BP IP Award 2003 [URL]
"High-Sensitivity and Wide-Dynamic-Range Range Finder With Ambient Light Suppression"

05/02
Nikkei-BP IP Award 2002 [URL]
"High-Speed Content-Addressable Memory Using Synchronous Hamming Distance Search Circuit"

04/02
Takeda Scholarship Award 2002
from The Takeda Foundation[URL]

01/02
Best Design Award [PDF]
IEEE Int. Conf. on VLSI Design & ASP-DAC, Jan. 2002.
"High-sensitivity and Wide-dynamic-range Position Sensor Using Logarithmic-response and Correlation Circuit"
Student Financial Supports

06/04
Student Financial Support
IEEE Symposium on VLSI Circuits (VLSI Symp.), Jun. 2004.

02/04
Student Financial Support
IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2004.

10/03
Student Financial Support
IEEE International Conference on Sensors (IEEE SENSORS), Oct. 2003.

06/03
Student Financial Support
IEEE Symposium on VLSI Circuits (VLSI Symp.), Jun. 2003.

02/03
Student Financial Support
IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2003.
Please contact me via e-mail if you want my technical paper in PDF.
E-mail: y-oike@silicon.u-tokyo.ac.jp
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