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)

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)

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)

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)

An FPGA implementation of a tone mapping algorithm with a halo-reducing filter. - Prasoon Ambalathankandy; Alain Horé; Orly Yadid-Pecht (J. Real Time Image Process., 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)

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)

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)

Systolic array based syndrome graph pruning for quantum error correction using FPGAs. - Prasoon Ambalathankandy; Werner Florian Samayoa; Jan-Erik R. Wichmann; Kentaro Sano (HEART, 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)