4D Data Solution

Data Services for Training Data Loops

Validating Autonomous Driving

Your comprehensive partner for validation and training data requirements, providing an intelligent toolchain that facilitates efficient data manufacturing for Ground Truth.

Engineering

Vehicle Modification, Sensor Integration, Calibration and Configuration

Data Acquisition

LD Logger supports online timing, monitoring of sensor status, visualization of acquired data (point cloud, camera images, CANBUS).
AI Tagging tool is a voice application for smartphone, backed up by a cloud-based neural-network model that translates audio to text automatically.

Processing

Automatic Processing Pipeline powered by AI provides the following functions:
Object Detection|Road Features|Mapping|Scenario Mining|Obstacle Detection
|Misalignment|Ego Localization|Desensitization (GDPR)

Labeling

LD Editor: Full-stack Annotation Platform for Camera, LiDAR and BEV fusion, covering 2D image, 3D LiDAR, and 4D time-based labeling.
LD Bot: Automated Data Operations
LD Validator: Real-time Data Quality Feedback

Data Analysis

LD KPI Platform: Automated Evaluation Report (calculation of the
perception algorithm) supporting Error Case Analysis.

  • Engineering
  • Data Acquisition
  • Processing
  • Labeling
  • Data Analysis
The evolution of autonomous driving systems is dependent on the continuous optimization of perception algorithms. The superiority is defined by the effectiveness of the Ground Truth production.
—Dr. Shengguang Lei, Global CTO

Algorithm Training Data Loop

Use Cases

  • Ground Truth Solution - German Tier 1

    >50Million frames 4D ground truth data for highway.

    Fusion of LiDAR and Camera for ground truth generation.

    Deployment of full toolchain(LD Data Factory) into customer cloud for data manufacturing.

  • Ground Truth Solution - German OEM

    >500 hours data acquisition in Europe

    >200 hours high quality ground truth for scenario mining and analysis

  • RTB Post Processing Software for L3 - German OEM

    >3300 hours automatic data processing

    4 years licensing for data loop

  • German Tier-1 L2+ System Validation

    Training & Validation of Camera and Radar based L2+ system

    Data volume>1000 hours

    LiangDao provide LDCompass and data service as well

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