nu-MOS cellular-automaton devices for intelligent image sensors. - Masayuki Ikebe; Masamichi Akazawa; Yoshihito Amemiya (KES (3), 1998)

A Novel CMOS Circuit for Depressing Synapse and its Application to Contrast-Invariant Pattern Classification and Synchrony Detection. - Yusuke Kanazawa; Tetsuya Asai; Masayuki Ikebe; Yoshihito Amemiya (Int. J. Robotics Autom., 2004)

A Digital Vision Chip for Early Feature Extraction with Rotated Template-Matching CA. - Masayuki Ikebe; Tetsuya Asai (J. Robotics Mechatronics, 2005)

A quadrilateral-object composer for binary images with reaction-diffusion cellular automata. - Tetsuya Asai; Masayuki Ikebe; Tetsuya Hirose; Yoshihito Amemiya (Parallel Algorithms Appl., 2005)

CMOS Image Sensor Using Negative-Feedback Resetting to Obtain Variably Smoothed Images. - Masayuki Ikebe; Keita Saito (IEICE Trans. Electron., 2006)

Evaluation of Digitally Controlled PLL by Clock-Period Comparison. - Yukinobu Makihara; Masayuki Ikebe; Eiichi Sano (IEICE Trans. Electron., 2007)

A 3.1-10.6 GHz RF CMOS circuits monolithically integrated with dipole antenna. - Masayuki Ikebe; Daisuke Ueo; Kazuhiro Takahagi; Masaki Ohuno; Yusuke Takada; Eiichi Sano (ICECS, 2009)

Local adaptive tone mapping with composite multiple gamma functions. - Sohsuke Shimoyama; Masaki Igarashi; Masayuki Ikebe; Junichi Motohisa (ICIP, 2009)

Column parallel single-slope ADC with time to digital converter for CMOS imager. - Muung Shin; Masayuki Ikebe; Junichi Motohisa; Eiichi Sano (ICECS, 2010)

O(1) bilateral filtering with low memory usage. - Masaki Igarashi; Masayuki Ikebe; Sohsuke Shimoyama; Kenta Yamano; Junichi Motohisa (ICIP, 2010)

A 0.6-4.5 GHz inductorless CMOS low noise amplifier with gyrator-C network. - Akira Kondou; Masayuki Ikebe; Junichi Motohisa; Yoshihito Amemiya; Eiichi Sano (ICECS, 2011)

A 11b 5.1µW multi-slope ADC with a TDC using multi-phase clock signals. - Kisu Kim; Masayuki Ikebe; Junichi Motohisa; Eiichi Sano (ICECS, 2012)

60-GHz, 9-µW wake-up receiver for short-range wireless communications. - Toshiki Wada; Masayuki Ikebe; Eiichi Sano (ESSCIRC, 2013)

Hardware-oriented stereo vision algorithm based on 1-D guided filtering and its FPGA implementation. - Katsuki Ohata; Yukitoshi Sanada; Tetsuro Ogaki; Kento Matsuyama; Takanori Ohira; Satoshi Chikuda; Masaki Igarashi; Masayuki Ikebe; Tetsuya Asai; Masato Motomura; Tadahiro Kuroda (ICECS, 2013)

Accuracy improvement of histogram-based image filtering. - Masaki Igarashi; Akira Mizuno; Masayuki Ikebe (ICIP, 2013)

A 12-bit, 5.5-μW single-slope ADC using intermittent working TDC with multi-phase clock signals. - Daisuke Uchida; Masayuki Ikebe; Junichi Motohisa; Eiichi Sano (ICECS, 2014)

Recent progress in the technology linking sensors and digital circuits. - Masayuki Ikebe (IEICE Electron. Express, 2014)

Halo control for LHE based local adaptive tone mapping. - Yuta Kimura; Masayuki Ikebe (ICIP, 2015)

Image sensor/digital logic 3D stacked module featuring inductive coupling channels for high speed/low-noise image transfer. - Masayuki Ikebe; Daisuke Uchida; Yasuhiro Take; Makito Someya; Satoshi Chikuda; Kento Matsuyama; Tetsuya Asai; Tadahiro Kuroda; Masato Motomura (VLSIC, 2015)

A 2-clock-cycle Naïve Bayes classifier for dynamic branch prediction in pipelined RISC microprocessors. - Itaru Hida; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (APCCAS, 2016)

Motion-vector estimation and cognitive classification on an image sensor/processor 3D stacked system featuring ThruChip interfaces. - Tetsuya Asai; Masafumi Mori; Toshiyuki Itou; Yasuhiro Take; Masayuki Ikebe; Tadahiro Kuroda; Masato Motomura (ESSCIRC, 2016)

Bit-depth expansion for noisy contour reduction in natural images. - Akira Mizuno; Masayuki Ikebe (ICASSP, 2016)

An FPGA-optimized architecture of anti-aliasing based super resolution for real-time HDTV to 4K- and 8K-UHD conversions. - Hotaka Kusano; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (ReConFig, 2016)

FPGA architecture for feed-forward sequential memory network targeting long-term time-series forecasting. - Kentaro Orimo; Kota Ando; Kodai Ueyoshi; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (ReConFig, 2016)

Accelerating deep learning by binarized hardware. - Shinya Takamaeda-Yamazaki; Kodai Ueyoshi; Kota Ando; Ryota Uematsu; Kazutoshi Hirose; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (APSIPA, 2017)

An image sensor/processor 3D stacked module featuring ThruChip interfaces. - Masayuki Ikebe; Tetsuya Asai; Masafumi Mori; Toshiyuki Itou; Daisuke Uchida; Yasuhiro Take; Tadahiro Kuroda; Masato Motomura (ASP-DAC, 2017)

FPGA implementation of edge-guided pattern generation for motion-vector estimation of textureless objects. - Aoi Tanibata; Alexandre Schmid; Shinya Takamaeda-Yamazaki; Masayuki Ikebe; Masato Motomura; Tetsuya Asai (FPL, 2017)

A Time-Division Multiplexing Ising Machine on FPGAs. - Kasho Yamamoto; Weiqiang Huang; Shinya Takamaeda-Yamazaki; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (HEART, 2017)

Logarithmic Compression for Memory Footprint Reduction in Neural Network Training. - Kazutoshi Hirose; Ryota Uematsu; Kota Ando; Kentaro Orimo; Kodai Ueyoshi; Masayuki Ikebe; Tetsuya Asai; Shinya Takamaeda-Yamazaki; Masato Motomura (CANDAR, 2017)

Exploring optimized accelerator design for binarized convolutional neural networks. - Kodai Ueyoshi; Kota Ando; Kentaro Orimo; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (IJCNN, 2017)

Low latency divider using ensemble of moving average curves. - Yuhan Fu; Masayuki Ikebe; Takeshi Shimada; Tetsuya Asai; Masato Motomura (ISQED, 2017)

In-memory area-efficient signal streaming processor design for binary neural networks. - Haruyoshi Yonekawa; Shimpei Sato; Hiroki Nakahara; Kota Ando; Kodai Ueyoshi; Kazutoshi Hirose; Kentaro Orimo; Shinya Takamaeda-Yamazaki; Masayuki Ikebe; Tetsuya Asai; Masato Motomura (MWSCAS, 2017)

Quantization Error-Based Regularization in Neural Networks. - Kazutoshi Hirose; Kota Ando; Kodai Ueyoshi; Masayuki Ikebe; Tetsuya Asai; Masato Motomura; Shinya Takamaeda-Yamazaki (SGAI Conf., 2017)

Dither NN: An Accurate Neural Network with Dithering for Low Bit-Precision Hardware. - Kota Ando; Kodai Ueyoshi; Yuka Oba; Kazutoshi Hirose; Ryota Uematsu; Takumi Kudo; Masayuki Ikebe; Tetsuya Asai; Shinya Takamaeda-Yamazaki; Masato Motomura (FPT, 2018)

Sparse Disparity Estimation Using Global Phase Only Correlation for Stereo Matching Acceleration. - Takeshi Shimada; Masayuki Ikebe; Prasoon Ambalathankandy; Shinya Takamaeda-Yamazaki; Masato Motomura; Tetsuya Asai (ICASSP, 2018)

Area and Energy Optimization for Bit-Serial Log-Quantized DNN Accelerator with Shared Accumulators. - Takumi Kudo; Kodai Ueyoshi; Kota Ando; Kazutoshi Hirose; Ryota Uematsu; Yuka Oba; Masayuki Ikebe; Tetsuya Asai; Masato Motomura; Shinya Takamaeda-Yamazaki (MCSoC, 2018)

Analysis of Smoothed LHE Methods for Processing Images with Optical Illusions. - Prasoon Ambalathankandy; Takeshi Shimada; Shinya Takamaeda; Masato Motomura; Tetsuya Asai; Masayuki Ikebe (VCIP, 2018)

Protocomputing Architecture over a Digital Medium Aiming at Real-Time Video Processing. - Aoi Tanibata; Alexandre Schmid; Shinya Takamaeda-Yamazaki; Masayuki Ikebe; Masato Motomura; Tetsuya Asai (Complex., 2018)

BRein Memory: A Single-Chip Binary/Ternary Reconfigurable in-Memory Deep Neural Network Accelerator Achieving 1.4 TOPS at 0.6 W. - Kota Ando; Kodai Ueyoshi; Kentaro Orimo; Haruyoshi Yonekawa; Shimpei Sato; Hiroki Nakahara; Shinya Takamaeda-Yamazaki; Masayuki Ikebe; Tetsuya Asai; Tadahiro Kuroda; Masato Motomura (IEEE J. Solid State Circuits, 2018)

Real-time HDTV to 4K and 8K-UHD conversions using anti-aliasing based super resolution algorithm on FPGA. - Prasoon Ambalathankandy; Shinya Takamaeda; Masato Motomura; Tetsuya Asai; Masayuki Ikebe; Hotaka Kusano (Microprocess. Microsystems, 2018)

3D Integrated Pixel Sensor with Silicon-on-Insulator Technology for the International Linear Collider Experiment. - Miho Yamada; Shun Ono; Yasuo Arai; Ikuo Kurachi; Toru Tsuboyama; Masayuki Ikebe; Makoto Motoyoshi (3DIC, 2019)

Radiography Contrast Enhancement: Smoothed LHE Filter a Practical Solution for Digital X-Rays with Mach Band. - Prasoon Ambalathankandy; Yafei Ou; Jyotsna Kochiyil; Shinya Takamaeda; Masato Motomura; Tetsuya Asai; Masayuki Ikebe (DICTA, 2019)

Automatic Radiographic Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis Using POC. - Yafei Ou; Prasoon Ambalathankandy; Takeshi Shimada; Tamotsu Kamishima; Masayuki Ikebe (ISBI, 2019)

A 32×32-Pixel 0.9THz Imager with Pixel-Parallel 12b VCO-Based ADC in 0.18μm CMOS. - Sayuri Yokoyama; Masayuki Ikebe; Yuri Kanazawa; Takahiro Ikegami; Prasoon Ambalathankandy; Shota Hiramatsu; Eiichi Sano; Yuma Takida; Hiroaki Minamide (ISSCC, 2019)

Dither NN: Hardware/Algorithm Co-Design for Accurate Quantized Neural Networks. - Kota Ando; Kodai Ueyoshi; Yuka Oba; Kazutoshi Hirose; Ryota Uematsu; Takumi Kudo; Masayuki Ikebe; Tetsuya Asai; Shinya Takamaeda-Yamazaki; Masato Motomura (IEICE Trans. Inf. Syst., 2019)

FPGA-Based Annealing Processor with Time-Division Multiplexing. - Kasho Yamamoto; Masayuki Ikebe; Tetsuya Asai; Masato Motomura; Shinya Takamaeda-Yamazaki (IEICE Trans. Inf. Syst., 2019)

An Adaptive Global and Local Tone Mapping Algorithm Implemented on FPGA. - Prasoon Ambalathankandy; Masayuki Ikebe; Takayuki Yoshida; Takeshi Shimada; Shinya Takamaeda; Masato Motomura; Tetsuya Asai (IEEE Trans. Circuits Syst. Video Technol., 2020)

Quantification of Joint Space Width Difference on Radiography Via Phase-Only Correlation (POC) Analysis: a Phantom Study Comparing with Various Tomographical Modalities Using Conventional Margin-Contouring. - Aimi Taguchi; Shun Shishido; Yafei Ou; Masayuki Ikebe; Tianyu Zeng; Wanxuan Fang; Koichi Murakami; Toshikazu Ueda; Nobutoshi Yasojima; Keitaro Sato; Kenichi Tamura; Kenneth Sutherland; et al. (J. Digit. Imaging, 2021)

Warm-cool color-based high-speed decolorization: an empirical approach for tone mapping applications. - Prasoon Ambalathankandy; Yafei Ou; Masayuki Ikebe (J. Electronic Imaging, 2021)

Simultaneous pixel calibration for global shutter THz imager. - Yuri Kanazawa; Prasoon Ambalathankandy; Masayuki Ikebe (ICECS 2022, 2022)

Ring-VCO-based ReLU activation function with linearity improvement for pulsed neuron circuits. - Pitchayapatchaya Srikram; Prasoon Ambalathankandy; Yuri Kanazawa; Masato Motomura; Masayuki Ikebe (ICECS 2022, 2022)

Real-Time Tone Mapping: A Survey and Cross-Implementation Hardware Benchmark. - Yafei Ou; Prasoon Ambalathankandy; Shinya Takamaeda; Masato Motomura; Tetsuya Asai; Masayuki Ikebe (IEEE Trans. Circuits Syst. Video Technol., 2022)

A Deep Registration Method for Accurate Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis. - Haolin Wang; Yafei Ou; Wanxuan Fang; Prasoon Ambalathankandy; Naoto Goto; Gen Ota; Masayuki Ikebe; Tamotsu Kamishima (CoRR, 2023)

A Sub-Pixel Accurate Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis. - Yafei Ou; Prasoon Ambalathankandy; Ryunosuke Furuya; Seiya Kawada; Tianyu Zeng; Yujie An; Tamotsu Kamishima; Kenichi Tamura; Masayuki Ikebe (IEEE J. Biomed. Health Informatics, 2023)

Pixel Variation Characteristics of a Global Shutter THz Imager and its Calibration Technique. - Yuri Kanazawa; Prasoon Ambalathankandy; Masayuki Ikebe (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

A deep registration method for accurate quantification of joint space narrowing progression in rheumatoid arthritis. - Haolin Wang; Yafei Ou; Wanxuan Fang; Prasoon Ambalathankandy; Naoto Goto; Gen Ota; Taichi Okino; Jun Fukae; Kenneth Sutherland; Masayuki Ikebe; Tamotsu Kamishima (Comput. Medical Imaging Graph., 2023)

A Psychological Study: Importance of Contrast and Luminance in Color to Grayscale Mapping. - Prasoon Ambalathankandy; Yafei Ou; Sae Kaneko; Masayuki Ikebe (CoRR, 2024)

Halo Reduction in Display Systems through Smoothed Local Histogram Equalization and Human Visual System Modeling. - Prasoon Ambalathankandy; Yafei Ou; Masayuki Ikebe (CoRR, 2024)

MDA: An Interpretable Multi-Modal Fusion with Missing Modalities and Intrinsic Noise. - Lin Fan; Yafei Ou; Cenyang Zheng; Pengyu Dai; Tamotsu Kamishima; Masayuki Ikebe; Kenji Suzuki 001; Xun Gong 002 (CoRR, 2024)

Corrections to "A Sub-Pixel Accurate Quantification of Joint Space Narrowing Progression in Rheumatoid Arthritis". - Yafei Ou; Prasoon Ambalathankandy; Ryunosuke Furuya; Seiya Kawada; Tianyu Zeng; Yujie An; Tamotsu Kamishima; Kenichi Tamura; Masayuki Ikebe (IEEE J. Biomed. Health Informatics, 2024)

BLS-GAN: A Deep Layer Separation Framework for Eliminating Bone Overlap in Conventional Radiographs. - Haolin Wang; Yafei Ou; Prasoon Ambalathankandy; Gen Ota; Pengyu Dai; Masayuki Ikebe; Kenji Suzuki 001; Tamotsu Kamishima (AAAI, 2025)

Layer Separation: Adjustable Joint Space Width Images Synthesis in Conventional Radiography. - Haolin Wang; Yafei Ou; Prasoon Ambalathankandy; Gen Ota; Pengyu Dai; Masayuki Ikebe; Kenji Suzuki 001; Tamotsu Kamishima (CoRR, 2025)

RAM-W600: A Multi-Task Wrist Dataset and Benchmark for Rheumatoid Arthritis. - Songxiao Yang; Haolin Wang; Yao Fu; Ye Tian; Tamotsu Kamishima; Masayuki Ikebe; Yafei Ou; Masatoshi Okutomi (CoRR, 2025)