This project explores an efficient representation of the ROS1 Occupancy Grid using Quadtrees, enabling faster path planning with the A* algorithm. The primary focus is to compare the performance of A* ...

I was dealing with finding the closest point to some location in 2D space, and checking every single point was getting really slow once I hit thousands of them. So I built this thing called a Quadtree ...

Abstract: Wavelet packets represent an elegant generalization of the wavelet transform, capable of providing arbitrary frequency resolution to meet a signal's spectral behaviors. Recent research ...

Abstract: Aiming at the sensation to changes in lighting conditions within the traditional ORB fixed threshold strategy in visual SLAM, a feature extraction ORB algorithm based on Otsu's method ...