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Zijian Dong

9 accepted papers

2026

Joint Adaptation of Uni-modal Foundation Models for Multi-modal Alzheimer's Disease Diagnosis

ICLR 2026poster

Alzheimer’s Disease (AD) is a progressive neurodegenerative disorder and a leading cause of dementia worldwide. Accurate diagnosis requires integrating diverse patient data modalities. With the rapid advancement of foundation models in neurobiology and medicine, integrating foundation models from va…

Cited by 0SourceScholar
2025

Brain Harmony: A Multimodal Foundation Model Unifying Morphology and Function into 1D Tokens

NeurIPS 2025poster

We present **Brain Harmony (BrainHarmonix)**, the first multimodal brain foundation model that unifies structural morphology and functional dynamics into compact 1D token representations. The model was pretrained on two of the largest neuroimaging datasets to date, encompassing 64,594 T1-weighted s…

Cited by 0SourceScholar
2025

Improve Representation for Imbalanced Regression through Geometric Constraints

CVPR 2025poster

In representation learning, uniformity refers to the uniform feature distribution in the latent space (i.e., unit hypersphere). Previous work has shown that improving uniformity contributes to the learning of under-represented classes. However, most of the previous work focused on classification; th…

2025

MoGA: 3D Generative Avatar Prior for Monocular Gaussian Avatar Reconstruction

ICCV 2025poster

We present MoGA, a novel method to reconstruct high-fidelity 3D Gaussian avatars from a single-view image. The main challenge lies in inferring unseen appearance and geometric details while ensuring 3D consistency and realism. Most previous methods rely on 2D diffusion models to synthesize unseen vi…

2024

Brain-JEPA: Brain Dynamics Foundation Model with Gradient Positioning and Spatiotemporal Masking

NeurIPS 2024spotlight

We introduce *Brain-JEPA*, a brain dynamics foundation model with the Joint-Embedding Predictive Architecture (JEPA). This pioneering model achieves state-of-the-art performance in demographic prediction, disease diagnosis/prognosis, and trait prediction through fine-tuning. Furthermore, it excels i…

2023

AG3D: Learning to Generate 3D Avatars from 2D Image Collections

ICCV 2023poster

While progress in 2D generative models of human appearance has been rapid, many applications require 3D avatars that can be animated and rendered. Unfortunately, most existing methods for learning generative models of 3D humans with diverse shape and appearance require 3D training data, which is lim…

Cited by 60PDFScholar
2022

PINA: Learning a Personalized Implicit Neural Avatar From a Single RGB-D Video Sequence

CVPR 2022poster

We present a novel method to learn Personalized Implicit Neural Avatars (PINA) from a short RGB-D sequence. This allows non-expert users to create a detailed and personalized virtual copy of themselves, which can be animated with realistic clothing deformations. PINA does not require complete scans,…

Cited by 73PDFScholar
2020

Category Level Object Pose Estimation via Neural Analysis-by-Synthesis

ECCV 2020poster

Many object pose estimation algorithms rely on the analysis-by-synthesis framework which requires explicit representations of individual object instances. In this paper we combine a gradient-based fitting procedure with a parametric neural image synthesis module that is capable of implicitly represe…

Cited by 143SourcePDFScholar