activity
20242026
collaborators

5 papers

cs.CV2026

OptimusMesh: Compact Autoregressive Mesh Generation from Point Clouds via Sparse Latent Pivots

Mazhar Iqbal, Naoya Chiba, Xuanmeng Sha +2

Generating compact and geometrically faithful 3D meshes directly from point clouds remains a fundamental challenge. Point clouds are unordered and sparse, whereas meshes exhibit ir…

cs.MM2026

AcoustEmo: Open-Vocabulary Emotion Reasoning via Utterance-Aware Acoustic Q-Former

Liyun Zhang, Xuanmeng Sha, Shuqiong Wu +1

Multimodal Large Language Models (MLLMs) excel in Open-Vocabulary (OV) emotion recognition but often neglect fine-grained acoustic modeling. Existing methods typically use global a…

cs.CV2026

3DGesPolicy: Phoneme-Aware Holistic Co-Speech Gesture Generation Based on Action Control

Xuanmeng Sha, Liyun Zhang, Tomohiro Mashita +2

Generating holistic co-speech gestures that integrate full-body motion with facial expressions suffers from semantically incoherent coordination on body motion and spatially unstab…

cs.LG2025

A Unified Evaluation Framework for Multi-Annotator Tendency Learning

Liyun Zhang, Fengkai Liu, Xuanmeng Sha +3

Recent works have emerged in multi-annotator learning that shift focus from Consensus-oriented Learning (CoL), which aggregates multiple annotations into a single ground-truth pred…

cs.CV2024

3DFacePolicy: Audio-Driven 3D Facial Animation Based on Action Control

Xuanmeng Sha, Liyun Zhang, Tomohiro Mashita +2

Audio-driven 3D facial animation has achieved significant progress in both research and applications. While recent baselines struggle to generate natural and continuous facial move…