activity
20182023
most citedUnsupervised Domain Adaptive Re-Identification: Theory and Practice

65 citations · 160 across the 14 of their papers we have counts for

collaborators

14 papers

cs.CV2023★ 1 cited

Efficient-NeRF2NeRF: Streamlining Text-Driven 3D Editing with Multiview Correspondence-Enhanced Diffusion Models

Liangchen Song, Liangliang Cao, Jiatao Gu +3

The advancement of text-driven 3D content editing has been blessed by the progress from 2D generative diffusion models. However, a major obstacle hindering the widespread adoption…

cs.CV2023

Relit-NeuLF: Efficient Relighting and Novel View Synthesis via Neural 4D Light Field

Zhong Li, Liangchen Song, Zhang Chen +4

In this paper, we address the problem of simultaneous relighting and novel view synthesis of a complex scene from multi-view images with a limited number of light sources. We propo…

cs.CV2023★ 2 cited

Efficient-3DiM: Learning a Generalizable Single-image Novel-view Synthesizer in One Day

Yifan Jiang, Hao Tang, Jen-Hao Rick Chang +3

The task of novel view synthesis aims to generate unseen perspectives of an object or scene from a limited set of input images. Nevertheless, synthesizing novel views from a single…

cs.CV2023

NeuRBF: A Neural Fields Representation with Adaptive Radial Basis Functions

Zhang Chen, Zhong Li, Liangchen Song +4

We present a novel type of neural fields that uses general radial bases for signal representation. State-of-the-art neural fields typically rely on grid-based representations for s…

cs.CV2023★ 1 cited

RoomDreamer: Text-Driven 3D Indoor Scene Synthesis with Coherent Geometry and Texture

Liangchen Song, Liangliang Cao, Hongyu Xu +4

The techniques for 3D indoor scene capturing are widely used, but the meshes produced leave much to be desired. In this paper, we propose "RoomDreamer", which leverages powerful na…

cs.CV2023★ 4 cited

Harnessing Low-Frequency Neural Fields for Few-Shot View Synthesis

Liangchen Song, Zhong Li, Xuan Gong +4

Neural Radiance Fields (NeRF) have led to breakthroughs in the novel view synthesis problem. Positional Encoding (P.E.) is a critical factor that brings the impressive performance…

cs.CV2022★ 2 cited

Progressive Multi-view Human Mesh Recovery with Self-Supervision

Xuan Gong, Liangchen Song, Meng Zheng +5

To date, little attention has been given to multi-view 3D human mesh estimation, despite real-life applicability (e.g., motion capture, sport analysis) and robustness to single-vie…

cs.LG2022

Federated Learning with Privacy-Preserving Ensemble Attention Distillation

Xuan Gong, Liangchen Song, Rishi Vedula +8

Federated Learning (FL) is a machine learning paradigm where many local nodes collaboratively train a central model while keeping the training data decentralized. This is particula…

cs.CV2022

PREF: Predictability Regularized Neural Motion Fields

Liangchen Song, Xuan Gong, Benjamin Planche +5

Knowing the 3D motions in a dynamic scene is essential to many vision applications. Recent progress is mainly focused on estimating the activity of some specific elements like huma…

cs.CV2021★ 20 cited

NeuLF: Efficient Novel View Synthesis with Neural 4D Light Field

Zhong Li, Liangchen Song, Celong Liu +2

In this paper, we present an efficient and robust deep learning solution for novel view synthesis of complex scenes. In our approach, a 3D scene is represented as a light field, i.…

cs.CV2021★ 12 cited

Track to Detect and Segment: An Online Multi-Object Tracker

Jialian Wu, Jiale Cao, Liangchen Song +3

Most online multi-object trackers perform object detection stand-alone in a neural net without any input from tracking. In this paper, we present a new online joint detection and t…

cs.LG2021★ 44 cited

Rethinking Soft Labels for Knowledge Distillation: A Bias-Variance Tradeoff Perspective

Helong Zhou, Liangchen Song, Jiajie Chen +4

Knowledge distillation is an effective approach to leverage a well-trained network or an ensemble of them, named as the teacher, to guide the training of a student network. The out…

cs.CV2020★ 9 cited

Forest R-CNN: Large-Vocabulary Long-Tailed Object Detection and Instance Segmentation

Jialian Wu, Liangchen Song, Tiancai Wang +2

Despite the previous success of object analysis, detecting and segmenting a large number of object categories with a long-tailed data distribution remains a challenging problem and…

cs.CV2018★ 65 cited

Unsupervised Domain Adaptive Re-Identification: Theory and Practice

Liangchen Song, Cheng Wang, Lefei Zhang +4

We study the problem of unsupervised domain adaptive re-identification (re-ID) which is an active topic in computer vision but lacks a theoretical foundation. We first extend exist…