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Jianfeng Zhang

32 accepted papers

2026

Battery Fault: A Comprehensive Dataset and Benchmark for Battery Fault Diagnosis

ICLR 2026poster

With the accelerated popularization of electric vehicles (EV), battery safety issues have become an important research focus. Data-driven battery fault diagnosis algorithms, built on real-world operational data, are critical methods for reducing safety risks. However, existing battery datasets have…

Cited by 0SourceScholar
2026

CauKer: Classification Time Series Foundation Models Can Be Pretrained on Synthetic Data

ICLR 2026oral

Time series foundation models (TSFMs) have recently gained significant attention due to their strong zero-shot capabilities and widespread real-world applications. Such models typically require a computationally costly pretraining on large-scale, carefully curated collections of real-world sequences…

Cited by 0SourcecodeScholar
2026

Mantis: Lightweight Foundation Model for Time Series Classification

ICML 2026poster

While foundation models have revolutionized various domains, their application to time series classification remains rather under-explored, with existing literature predominantly focused on forecasting. To bridge this gap, we introduce \textbf{Mantis}, a transformer-based foundation model pre-traine…

Cited by 0SourceScholar
2026

TopoMesh: High-Fidelity Mesh Autoencoding via Topological Unification

CVPR 2026

The dominant paradigm for high-fidelity 3D generation relies on a VAE-Diffusion pipeline, where the VAE's reconstruction capability sets a firm upper bound on generation quality. A fundamental challenge limiting existing VAEs is the representation mismatch between ground-truth meshes and network pre

Cited by 0SourceScholar
2026

ViLearn: Accelerating Training Convergence of Image-to-3D Generation via Visibility Learning

CVPR 2026

Single-image-to-3D shape generation has seen remarkable progress, driven by latent diffusion models trained on the compressed latent space of 3D VAEs. However, the task remains intrinsically ill-posed: recovering complete 3D geometry--especially occluded surfaces--from a single view is inherently am

Cited by 0SourceScholar
2025

Dora: Sampling and Benchmarking for 3D Shape Variational Auto-Encoders

CVPR 2025poster

Recent 3D content generation pipelines commonly employ Variational Autoencoders (VAEs) to encode shapes into compact latent representations for diffusion-based generation. However, the widely adopted uniform point sampling strategy in Shape VAE training often leads to a significant loss of geometric…

2025

Dual-BEV Nav: Dual-Layer BEV-Based Heuristic Path Planning for Robotic Navigation in Unstructured Outdoor Environments

ICRA 2025

Path planning with strong environmental adaptability plays a crucial role in robotic navigation in unstructured outdoor environments, especially in the case of low-quality location and map information. The path planning ability of a robot depends on the identification of the traversability of global

Cited by 2SourceScholar
2025

Generalizable Human Gaussians from Single-View Image

ICLR 2025poster

In this work, we tackle the task of learning 3D human Gaussians from a single image, focusing on recovering detailed appearance and geometry including unobserved regions. We introduce a single-view generalizable Human Gaussian Model (HGM), which employs a novel generate-then-refine pipeline with the…

2025

KiteRunner: Language-Driven Cooperative Local-Global Navigation Policy with UAV Mapping in Outdoor Environments

IROS 2025

Autonomous navigation in open-world outdoor environments faces challenges in integrating dynamic conditions, long-distance spatial reasoning, and semantic understanding. Traditional methods struggle to balance local planning, global planning, and semantic task execution, while existing large languag

Cited by 2SourceScholar
2025

MagicArticulate: Make Your 3D Models Articulation-Ready

CVPR 2025poster

With the explosive growth of 3D content creation, there is an increasing demand for automatically converting static 3D models into articulation-ready versions that support realistic animation. Traditional approaches rely heavily on manual annotation, which is both time-consuming and labor-intensive.…

2025

Stand on The Shoulders of Giants: Building JailExpert from Previous Attack Experience

EMNLP 2025

Large language models (LLMs) generate human-aligned content under certain safety constraints. However, the current known technique “jailbreak prompt” can circumvent safety-aligned measures and induce LLMs to output malicious content. Research on Jailbreaking can help identify vulnerabilities in LLMs

Cited by 0SourcePDFScholar
2025

Towards a Comprehensive, Efficient and Promptable Anatomic Structure Segmentation Model Using 3D Whole-Body CT Scans

AAAI 2025technical

Segment anything model (SAM) demonstrates strong generalization ability on natural image segmentation. However, its direct adaptation in medical image segmentation tasks shows significant performance drops. It also requires an excessive number of prompt points to obtain a reasonable accuracy. Althou…

2024

DWLR: Domain Adaptation under Label Shift for Wearable Sensor

IJCAI 2024poster

Wearable sensors play a crucial role in real-world scenarios, such as human activity recognition, sleep monitoring and electrocardiogram monitoring. However, deploying classifiers on them is challenged by distribution shifts across users and devices. Unsupervised domain adaptation (UDA) is proposed…

Cited by 0SourcePDFScholar
2024

Disentangling Domain and General Representations for Time Series Classification

IJCAI 2024poster

Modeling time series data has become a very at tractive research topic due to its wide application, such as human activity recognition, financial forecasting and sensor-based automatic system monitoring. Recently deep learning models have shown great advances in modeling the time series data but the…

2024

MaNo: Exploiting Matrix Norm for Unsupervised Accuracy Estimation Under Distribution Shifts

NeurIPS 2024poster

Leveraging the model’s outputs, specifically the logits, is a common approach to estimating the test accuracy of a pre-trained neural network on out-of-distribution (OOD) samples without requiring access to the corresponding ground-truth labels. Despite their ease of implementation and computational…

2024

MagicAnimate: Temporally Consistent Human Image Animation using Diffusion Model

CVPR 2024poster

This paper studies the human image animation task which aims to generate a video of a certain reference identity following a particular motion sequence. Existing animation works typically employ the frame-warping technique to animate the reference image towards the target motion. Despite achieving r…

2024

ViT-Lens: Towards Omni-modal Representations

CVPR 2024poster

Aiming to advance AI agents large foundation models significantly improve reasoning and instruction execution yet the current focus on vision and language neglects the potential of perceiving diverse modalities in open-world environments. However the success of data-driven vision and language models…

2023

GETAvatar: Generative Textured Meshes for Animatable Human Avatars

ICCV 2023poster

We study the problem of 3D-aware full-body human generation, aiming at creating animatable human avatars with high-quality textures and geometries. Generally, two challenges remain in this field: i) existing methods struggle to generate geometries with rich realistic details such as the wrinkles of…

Cited by 23PDFScholar
2023

Inducing Neural Collapse in Deep Long-tailed Learning

AISTATS 2023poster

Although deep neural networks achieve tremendous success on various classification tasks, the generalization ability drops sheer when training datasets exhibit long-tailed distributions. One of the reasons is that the learned representations (i.e. features) from the imbalanced datasets are less effe…

2023

OmniAvatar: Geometry-Guided Controllable 3D Head Synthesis

CVPR 2023poster

We present OmniAvatar, a novel geometry-guided 3D head synthesis model trained from in-the-wild unstructured images that is capable of synthesizing diverse identity-preserved 3D heads with compelling dynamic details under full disentangled control over camera poses, facial expressions, head shapes,…

Cited by 29SourcePDFScholar
2023

PV3D: A 3D Generative Model for Portrait Video Generation

ICLR 2023poster

Recent advances in generative adversarial networks (GANs) have demonstrated the capabilities of generating stunning photo-realistic portrait images. While some prior works have applied such image GANs to unconditional 2D portrait video generation and static 3D portrait synthesis, there are few works…

2023

XAGen: 3D Expressive Human Avatars Generation

NeurIPS 2023poster

Recent advances in 3D-aware GAN models have enabled the generation of realistic and controllable human body images. However, existing methods focus on the control of major body joints, neglecting the manipulation of expressive attributes, such as facial expressions, jaw poses, hand poses, and so on.…

2022

Geometry-Guided Progressive NeRF for Generalizable and Efficient Neural Human Rendering

ECCV 2022poster

"In this work we develop a generalizable and efficient Neural Radiance Field (NeRF) pipeline for high-fidelity free-viewpoint human body synthesis under settings with sparse camera views. Though existing NeRF-based methods can synthesize rather realistic details for human body, they tend to produce…

Cited by 49SourcePDFScholar
2022

PoseTriplet: Co-Evolving 3D Human Pose Estimation, Imitation, and Hallucination Under Self-Supervision

CVPR 2022oral

Existing self-supervised 3D human pose estimation schemes have largely relied on weak supervisions like consistency loss to guide the learning, which, inevitably, leads to inferior results in real-world scenarios with unseen poses. In this paper, we propose a novel self-supervised approach that allo…

Cited by 57PDFcodeScholar
2021

Direct Multi-view Multi-person 3D Pose Estimation

NeurIPS 2021poster

We present Multi-view Pose transformer (MvP) for estimating multi-person 3D poses from multi-view images. Instead of estimating 3D joint locations from costly volumetric representation or reconstructing the per-person 3D pose from multiple detected 2D poses as in previous methods, MvP directly regre…

2021

PoseAug: A Differentiable Pose Augmentation Framework for 3D Human Pose Estimation

CVPR 2021poster

Existing 3D human pose estimators suffer poor generalization performance to new datasets, largely due to the limited diversity of 2D-3D pose pairs in the training data. To address this problem, we present PoseAug, a new auto-augmentation framework that learns to augment the available training poses…

Cited by 207PDFcodeScholar
2020

Inference Stage Optimization for Cross-scenario 3D Human Pose Estimation

NeurIPS 2020poster

Existing 3D human pose estimation models suffer performance drop when applying to new scenarios with unseen poses due to their limited generalizability. In this work, we propose a novel framework, Inference Stage Optimization (ISO), for improving the generalizability of 3D pose models when source an…

Cited by 55SourcePDFScholar
2018

Learning for Disparity Estimation Through Feature Constancy

CVPR 2018poster

Stereo matching algorithms usually consist of four steps, including matching cost calculation, matching cost aggregation, disparity calculation, and disparity refinement. Existing CNN-based methods only adopt CNN to solve parts of the four steps, or use different networks to deal with different step…