← Search

Fangzhou Lin

6 accepted papers

2026

NexusFlow: Unifying Disparate Tasks under Partial Supervision via Invertible Flow Networks

CVPR 2026

Partially Supervised Multi-Task Learning (PS-MTL) aims to leverage knowledge across tasks when annotations are incomplete. Existing approaches, however, have largely focused on the simpler setting of homogeneous, dense prediction tasks, leaving the more realistic challenge of learning from structura

Cited by 0SourcecodeScholar
2026

Pantheon360: Taming Digital Twin Generation via 3D-Aware 360deg Video Diffusion

CVPR 2026

Generating complete digital twins from videos requires precise camera control, global scene coverage, and strict spatial-temporal consistency--constraints that remain challenging for perspective video generators due to their limited field of view (FoV). Their narrow FoV forces long or multi-view tra

Cited by 0SourceScholar
2025

GPS: A Probabilistic Distributional Similarity with Gumbel Priors for Set-to-Set Matching

ICLR 2025poster

Set-to-set matching aims to identify correspondences between two sets of unordered items by minimizing a distance metric or maximizing a similarity measure. Traditional metrics, such as Chamfer Distance (CD) and Earth Mover’s Distance (EMD), are widely used for this purpose but often suffer from lim…

2024

Loss Distillation via Gradient Matching for Point Cloud Completion with Weighted Chamfer Distance

IROS 2024poster

3D point clouds enhanced the robot’s ability to perceive the geometrical information of the environments, making it possible for many downstream tasks such as grasp pose detection and scene understanding. The performance of these tasks, though, heavily relies on the quality of data input, as incompl…

Cited by 1SourcecodeScholar
2023

Hyperbolic Chamfer Distance for Point Cloud Completion

ICCV 2023poster

Chamfer distance (CD) is a standard metric to measure the shape dissimilarity between point clouds in point cloud completion, as well as a loss function for (deep) learning. However, it is well known that CD is vulnerable to outliers, leading to the drift towards suboptimal models. In contrast to th…

Cited by 43PDFScholar
2023

InfoCD: A Contrastive Chamfer Distance Loss for Point Cloud Completion

NeurIPS 2023poster

A point cloud is a discrete set of data points sampled from a 3D geometric surface. Chamfer distance (CD) is a popular metric and training loss to measure the distances between point clouds, but also well known to be sensitive to outliers. To address this issue, in this paper we propose InfoCD, a no…