3 papers
cs.DC2025
GRNND: A GPU-Parallel Relative NN-Descent Algorithm for Efficient Approximate Nearest Neighbor Graph Construction
Xiang Li, Qiong Chang, Yun Li +1
Relative Nearest Neighbor Descent (RNN-Descent) is a state-of-the-art algorithm for constructing sparse approximate nearest neighbor (ANN) graphs by combining the iterative refinem…
cs.CV2025
Faster than Fast: Accelerating Oriented FAST Feature Detection on Low-end Embedded GPUs
Qiong Chang, Xinyuan Chen, Xiang Li +2
The visual-based SLAM (Simultaneous Localization and Mapping) is a technology widely used in applications such as robotic navigation and virtual reality, which primarily focuses on…
cs.DC2023
Multi-directional Sobel operator kernel on GPUs
Qiong Chang, Xin Li, Yun Li +1
Sobel is one of the most popular edge detection operators used in image processing. To date, most users utilize the two-directional 3x3 Sobel operator as detectors because of its l…