5 Repos
Bipartite graph representations used to map variables to specific factors for probabilistic inference.
Distinct from Graph Representation Learning: Focuses on the specific bipartite structure for factorizing probabilities, whereas representation learning is a broader field of embeddings.
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This project is a comprehensive Chinese translation of a technical deep learning textbook, providing an educational resource on the theory and implementation of neural networks. It functions as a collaborative technical translation project designed to make complex academic AI literature accessible to non-English speakers. The project utilizes a community-driven translation model that integrates external suggestions and pull requests to refine linguistic accuracy and reduce bias. It employs standardized terminology mapping to ensure a uniform vocabulary throughout the translated content. To i
Explains the use of factor graphs as bipartite representations to resolve structural ambiguity in probabilistic models.
This project is a machine learning algorithm reference and implementation guide that provides theoretical foundations and code for supervised learning, deep learning, and natural language processing. It serves as a comprehensive toolkit for implementing predictive models and a technical reference for algorithm engineering. The project focuses on ensemble learning frameworks, including the construction of decision trees, random forests, and gradient boosting models. It also functions as a probabilistic graphical model library and an NLP algorithm reference, with specific implementations for se
Implements sum-product algorithms on factor graphs to compute marginal distributions for probabilistic inference.
LIO-SAM ist ein Lidar-Inertial-SLAM-Framework und eine eng gekoppelte Sensor-Fusion-Pipeline. Es fungiert als Factor-Graph-Optimierungs-Engine, die Lidar-Scans und Daten der Inertial Measurement Unit (IMU) kombiniert, um 3D-Punktwolkenkarten zu erstellen und Roboter-Trajektorien zu schätzen. Das System integriert globale Positionsfaktoren, um lokale Koordinaten mit realen Daten abzugleichen. Es verwendet Loop-Closure-Erkennung, um bereits besuchte Orte zu identifizieren und Einschränkungen im Optimierungsgraphen zu erstellen, um akkumulierte globale Drift zu korrigieren. Das Framework deckt Lidar-Inertial-Odometrie, Punktwolkenverarbeitung und Trajektorienoptimierung ab. Es nutzt Sliding-Window-Smoothing für Echtzeit-Odometrie, während es im Hintergrund Kartenoptimierung und inertial-basierte Punkt-Deskewing zur Korrektur von Bewegungsverzerrungen durchführt. Das Toolset enthält Utilities, um generierte 3D-Punktwolkenkarten für die Offline-Analyse in Standard-PCD-Dateiformate zu exportieren.
Integrates GPS coordinates as factors in the optimization graph to align local coordinates with real-world data.
This project is a technical reference guide and sensor-based robotics manual focused on the theoretical foundations and practical implementation of Simultaneous Localization and Mapping. It serves as a knowledge base for spatial AI, covering the integration of deep learning and semantic rendering to create intelligent systems for open world environments. The resource provides guidance on integrating multi-modal sensor data from cameras, LiDAR, radar, and inertial sensors for localization and mapping. It also establishes a bibliographic standard for robotics research by providing systems for m
Uses factor graphs to model spatial constraints and perform joint optimization of robot poses and landmarks.
FAST-LIVO2 is a LiDAR-inertial odometry framework and factor-graph SLAM implementation designed for real-time robot localization and 3D mapping. It functions as a multi-sensor fusion pipeline and state estimator that integrates LiDAR, inertial, and camera inputs to track a robot's position and orientation. The system employs a tightly-coupled sensor fusion approach to maintain stable navigation, particularly in degraded environments. It utilizes a voxel-based 3D mapping tool to organize point clouds into volumetric grids, which optimizes memory usage and search speed during spatial reconstruc
Implements factor-graph-based optimization to resolve sensor contradictions and reduce drift in robot localization.