Search Results for author: Jordan S. K. Hu

Found 4 papers, 1 papers with code

Self-Supervised Image-to-Point Distillation via Semantically Tolerant Contrastive Loss

no code implementations CVPR 2023 Anas Mahmoud, Jordan S. K. Hu, Tianshu Kuai, Ali Harakeh, Liam Paull, Steven L. Waslander

However, image-to point representation learning for autonomous driving datasets faces two main challenges: 1) the abundance of self-similarity, which results in the contrastive losses pushing away semantically similar point and image regions and thus disturbing the local semantic structure of the learned representations, and 2) severe class imbalance as pretraining gets dominated by over-represented classes.

3D Semantic Segmentation Autonomous Driving +4

Dense Voxel Fusion for 3D Object Detection

no code implementations2 Mar 2022 Anas Mahmoud, Jordan S. K. Hu, Steven L. Waslander

Sequential fusion methods suffer from a limited number of pixel and point correspondences due to point cloud sparsity, or their performance is strictly capped by the detections of one of the modalities.

3D Object Detection Object +1

Pattern-Aware Data Augmentation for LiDAR 3D Object Detection

no code implementations30 Nov 2021 Jordan S. K. Hu, Steven L. Waslander

Autonomous driving datasets are often skewed and in particular, lack training data for objects at farther distances from the ego vehicle.

3D Object Detection Autonomous Driving +3

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