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Sicheng Li

12 accepted papers

2026

SURE: Semi-Dense Uncertainty-REfined Feature Matching

ICRA 2026poster

Establishing reliable image correspondences is essential for many robotic vision problems. However, existing methods often struggle in challenging scenarios with large viewpoint changes or textureless regions, where incorrect correspondences may still receive high similarity scores. This is mainly b…

2025

DORec: Decomposed Object Reconstruction and Segmentation Utilizing 2D Self-Supervised Features

RA-L 2025

Recovering 3D geometry and textures of individual objects is crucial for many robotics applications, such as manipulation, pose estimation, and autonomous driving. However, decomposing a target object from a complex background is challenging. Most existing approaches rely on costly manual labels to

Cited by 1SourceScholar
2025

DipLLM: Fine-Tuning LLM for Strategic Decision-making in Diplomacy

ICML 2025poster

Diplomacy is a complex multiplayer game that re- quires both cooperation and competition, posing significant challenges for AI systems. Traditional methods rely on equilibrium search to generate extensive game data for training, which demands substantial computational resources. Large Lan- guage Mod…

Cited by 0SourcePDFScholar
2025

Empowering LLM Agents with Zero-Shot Optimal Decision-Making through Q-learning

ICLR 2025poster

Large language models (LLMs) are trained on extensive text data to gain general comprehension capability. Current LLM agents leverage this ability to make zero- or few-shot decisions without reinforcement learning (RL) but fail in making optimal decisions, as LLMs inherently perform next-token predi…

Cited by 3SourcePDFScholar
2025

Frequency-Biased Synergistic Design for Image Compression and Compensation

CVPR 2025poster

Compression artifacts removal (CAR), an effective post-processing method to reduce compression distortion in edge-side codecs, demonstrates remarkable results by utilizing convolutional neural networks (CNNs) on high computational power cloud side. Traditional image compression reduces redundancy in…

Cited by 0SourcePDFScholar
2025

GIFStream: 4D Gaussian-based Immersive Video with Feature Stream

CVPR 2025poster

Immersive video offers a 6-Dof-free viewing experience, potentially playing a key role in future video technology. Recently, 4D Gaussian Splatting has gained attention as an effective approach for immersive video due to its high rendering efficiency and quality, though maintaining quality with manag…

Cited by 0SourcePDFScholar
2024

NeRFCodec: Neural Feature Compression Meets Neural Radiance Fields for Memory-Efficient Scene Representation

CVPR 2024poster

The emergence of Neural Radiance Fields (NeRF) has greatly impacted 3D scene modeling and novel-view synthesis. As a kind of visual media for 3D scene representation compression with high rate-distortion performance is an eternal target. Motivated by advances in neural compression and neural field r…

Cited by 11SourcePDFScholar
2024

Zero-Shot Structure-Preserving Diffusion Model for High Dynamic Range Tone Mapping

CVPR 2024highlight

Tone mapping techniques aiming to convert high dynamic range (HDR) images to high-quality low dynamic range (LDR) images for display play a more crucial role in real-world vision systems with the increasing application of HDR images. However obtaining paired HDR and high-quality LDR images is diffic…

2023

SteerNeRF: Accelerating NeRF Rendering via Smooth Viewpoint Trajectory

CVPR 2023poster

Neural Radiance Fields (NeRF) have demonstrated superior novel view synthesis performance but are slow at rendering. To speed up the volume rendering process, many acceleration methods have been proposed at the cost of large memory consumption. To push the frontier of the efficiency-memory trade-off…

2022

MIA-Former: Efficient and Robust Vision Transformers via Multi-Grained Input-Adaptation

AAAI 2022technical

Vision transformers have recently demonstrated great success in various computer vision tasks, motivating a tremendously increased interest in their deployment into many real-world IoT applications. However, powerful ViTs are often too computationally expensive to be fitted onto real-world resourc…

2021

Multi-Scale Spatial Temporal Graph Convolutional Network for Skeleton-Based Action Recognition

AAAI 2021technical

Graph convolutional networks have been widely used for skeleton-based action recognition due to their excellent modeling ability of non-Euclidean data. As the graph convolution is a local operation, it can only utilize the short-range joint dependencies and short-term trajectory but fails to directl…

2020

ShiftAddNet: A Hardware-Inspired Deep Network

NeurIPS 2020poster

Multiplication (e.g., convolution) is arguably a cornerstone of modern deep neural networks (DNNs). However, intensive multiplications cause expensive resource costs that challenge DNNs' deployment on resource-constrained edge devices, driving several attempts for multiplication-less deep networks.…