SD-Retinex: A Stable Retinex Method for Low-Light Image Enhancement Designed Around the Sigmoid Derivative
Training-free Retinex enhancement that moves the sigmoid derivative to the real axis: 16.47 dB PSNR on LOL eval15, about 54 FPS at 600×400 on one CPU thread
A High-Speed and Structure-Preserving Retinex Method Based on a Complex Exponential Kernel: XCR
A training-free Retinex method whose off-center kernel, derived from a complex exponential, beats MSR and a LIME-based method on SSIM at 15 FPS (1080p) on a CPU
Proposal of Fast Single-Scale Retinex and Evaluation of Real-Time Human Pose Estimation Performance under Low-Light Conditions
A luminance-only Retinex with a separable Gaussian, about 5.7× faster than 2-D SSR, that lets MediaPipe Hands find landmarks in near-dark video
Proposal and Web Implementation of a Kyudo Form Evaluation Method Based on Real-Time Pose Estimation
Real-time pose estimation that detects kai, the full draw, and scores kyudo form from joint positions; Outstanding Presentation Award at SJCIEE 2025
Re-Defining Vanishing Municipalities in Japan
Clustering national statistics with UMAP and fine-tuning a locally run small language model to describe vanishing municipalities by more than population
Recognition Without Revenue: Designing a Failure-Case-Based Entrepreneurship Education Model for Japanese KOSEN Students
A design study that turns Second, a student venture closed with zero revenue, into a teaching case and a five-year entrepreneurship education model for KOSEN
