3 papers
eess.IV2023
Sign-Coded Exposure Sensing for Noise-Robust High-Speed Imaging
R. Wes Baldwin, Vijayan Asari, Keigo Hirakawa
We present a novel Fourier camera, an in-hardware optical compression of high-speed frames employing pixel-level sign-coded exposure where pixel intensities temporally modulated as…
cs.CV2022
EBSnoR: Event-Based Snow Removal by Optimal Dwell Time Thresholding
Abigail Wolf, Shannon Brooks-Lehnert, Keigo Hirakawa
We propose an Event-Based Snow Removal algorithm called EBSnoR. We developed a technique to measure the dwell time of snowflakes on a pixel using event-based camera data, which is…
cs.CV2017
Camera-Aware Multi-Resolution Analysis (CAMRA) for Raw Sensor Data Compression
Y. Lee, K. Hirakawa, T. Nguyen
We propose a novel lossless and lossy compression scheme for color filter array~(CFA) sampled images based on the wavelet transform of them. Our analysis suggests that the wavelet…