| 2025 | CVPR | EBS-EKF: Accurate and High Frequency Event-based Star Tracking. | Albert W. Reed, Connor Hashemi, Dennis Melamed, Nitesh Menon, Keigo Hirakawa, Scott McCloskey |
| 2025 | ICCV | Enhancing Event-Based Optical Camera Communication Via Dynamic Timing Correction. | Matthew Howard, Keigo Hirakawa |
| 2025 | ICCV | Cross-Camera Module Training of Raw Sensor Data-Based Automotive Machine Vision: Challenges and Solutions. | Setareh Kian, Shannon Brooks-Lehnert, Keigo Hirakawa |
| 2023 | ICASSP | Event-Based Visual Microphone. | Matthew Howard, Keigo Hirakawa |
| 2023 | ICASSP | A Bayesian Perspective on Noise2Noise: Theory and Extensions. | Sarah Miller, Christina Karam, Achour Idoughi, Kodai Kikuchi, Keigo Hirakawa |
| 2020 | CVPR | Event Probability Mask (EPM) and Event Denoising Convolutional Neural Network (EDnCNN) for Neuromorphic Cameras. | R. Wes Baldwin, Mohammed Almatrafi, Vijayan K. Asari, Keigo Hirakawa |
| 2019 | CVPR | Detecting Image Forgery Based On Color Phenomenology. | Jamie Stanton, Keigo Hirakawa, Scott McCloskey |
| 2019 | ICIP | Optical Flow Based Line Drawing Frame Interpolation Using Distance Transform to Support Inbetweenings. | Rei Narita, Keigo Hirakawa, Kiyoharu Aizawa |
| 2018 | ICIP | Near-Constant Time Bilateral Filter for High Dimensional Images. | Christina Karam, Kenjiro Sugimoto, Keigo Hirakawa |
| 2017 | ICIP | Lossless compression of CFA sampled image using decorrelated Mallat wavelet packet decomposition. | Yeejin Lee, Keigo Hirakawa, Truong Q. Nguyen |
| 2015 | ICASSP | Quantile analysis of image sensor noise distribution. | Jiachao Zhang, Keigo Hirakawa, Xiaodan Jin |
| 2015 | ICIP | Nonparametric empirical Bayes estimation for multiplicative multiscale innovation in photon-limited imaging. | Wu Cheng, Keigo Hirakawa |
| 2015 | ICIP | Single-shot fourier transform multispectroscopy. | Jie Jia, Keigo Hirakawa |
| 2015 | ICIP | Stochastic bilateral filter for high-dimensional images. | Christina Karam, Chong Chen, Keigo Hirakawa |
| 2015 | ICIP | Improving surf interest point detection for defocus blur robustness. | Elhusain Saad, Keigo Hirakawa |
| 2015 | ICIP | Fast spatially varying object motion blur estimation. | Yi Zhang, Keigo Hirakawa |
| 2014 | ICIP | Blind full reference quality assessment of poisson image denoising. | Chen Zhang, Keigo Hirakawa |
| 2013 | CVPR | Blur Processing Using Double Discrete Wavelet Transform. | Yi Zhang, Keigo Hirakawa |
| 2013 | ICIP | A no-reference video quality assessment based on Laplacian pyramids. | Kongfeng Zhu, Keigo Hirakawa, Vijayan K. Asari, Dietmar Saupe |
| 2013 | IPAS | Approximations to camera sensor noise. | Xiaodan Jin, Keigo Hirakawa |
| 2012 | ICIP | Corrupted reference image quality assessment. | Wu Cheng, Keigo Hirakawa |
| 2011 | ICCV | Single-shot high dynamic range imaging with conventional camera hardware. | Keigo Hirakawa, Paul M. Simon |
| 2011 | ICIP | High resolution subpixel and subframe rendering for color flatpanel and projector displays. | Keigo Hirakawa, Jing Gu |
| 2010 | ICASSP | Spatio-angular sharpening for multiview 3D displays. | Vikas Ramachandra, Keigo Hirakawa, Matthias Zwicker, Truong Q. Nguyen |
| 2010 | ICIP | Filterbank-based universal demosaicking. | Jing Gu, Patrick J. Wolfe, Keigo Hirakawa |
| 2010 | ICIP | Optimal exposure control for high dynamic range imaging. | Keigo Hirakawa, Patrick J. Wolfe |
| 2009 | ICASSP | SkellamShrink: Poisson intensity estimation for vector-valued data. | Keigo Hirakawa, Patrick J. Wolfe |
| 2009 | ICIP | Efficient multivariate Skellam shrinkage for denoising photon-limited image data: An Empirical Bayes approach. | Keigo Hirakawa, Patrick J. Wolfe |
| 2008 | CVPR | Color constancy beyond bags of pixels. | Ayan Chakrabarti, Keigo Hirakawa, Todd E. Zickler |
| 2008 | ICASSP | Effective separation of sparse and non-sparse image features for denoising. | Ayan Chakrabarti, Keigo Hirakawa |
| 2008 | ICASSP | Fourier and filterbank analyses of signal-dependent noise. | Keigo Hirakawa |
| 2008 | ICASSP | Advancing the digital camera pipeline for mobile multimedia: Key challenges from a signal processing perspective. | Keigo Hirakawa, Patrick J. Wolfe |
| 2008 | ICIP | Cross-talk explained. | Keigo Hirakawa |
| 2007 | ICASSP | A Framework for wavelet-Based Analysis and Processing of Color Filter Array Images with Applications to Denoising and Demosaicing. | Keigo Hirakawa, Xiao-Li Meng, Patrick J. Wolfe |
| 2007 | ICIP | Spatio-Spectral Color Filter Array Design for Enhanced Image Fidelity. | Keigo Hirakawa, Patrick J. Wolfe |
| 2007 | ICIP | Fourier Domain Display Color Filter Array Design. | Keigo Hirakawa, Patrick J. Wolfe |
| 2006 | ICIP | An Empirical Bayes Em-Wavelet Unification for Simultaneous Denoising, Interpolation, and/Or Demosaicing. | Keigo Hirakawa, Xiao-Li Meng |
| 2005 | ICASSP | Image Denoising for Signal-Dependent Noise. | Keigo Hirakawa, Thomas W. Parks |
| 2005 | ICIP | Joint demosaicing and denoising. | Keigo Hirakawa, Thomas W. Parks |
| 2005 | ICIP | Chromatic adaptation and white-balance problem. | Keigo Hirakawa, Thomas W. Parks |
| 2003 | ICIP | Adaptive homogeneity-directed demosaicing algorithm. | Keigo Hirakawa, Thomas W. Parks |