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JIAXIN CHEN

37 accepted papers

2026

MP-ISMoE: Mixed-Precision Interactive Side Mixture-of-Experts for Efficient Transfer Learning

AAAI 2026technical

Parameter-efficient transfer learning (PETL) has emerged as a pivotal paradigm for adapting pre-trained foundation models to downstream tasks, significantly reducing trainable parameters yet suffering from substantial memory overhead caused by gradient backpropagation during fine-tuning. While memor

Cited by 0SourcePDFScholar
2026

Memory-Efficient Transfer Learning with Fading Side Networks via Masked Dual Path Distillation

CVPR 2026

Memory-efficient transfer learning (METL) approaches have recently achieved promising performance in adapting pre-trained models to downstream tasks. They avoid applying gradient backpropagation in large backbones, thus significantly reducing the number of trainable parameters and high memory consum

Cited by 0SourcecodeScholar
2026

Parameter-Efficient Adaptation for MLLMs via Implicit Modality Decomposition

CVPR 2026

Parameter-efficient fine-tuning (PEFT) has become a compelling approach for adapting large language models (LLMs) into multimodal large language models (MLLMs), enabling them to handle diverse modalities with substantially lower memory and computational costs. However, most existing PEFT methods neg

Cited by 0SourcecodeScholar
2026

Visual Prototype Conditioned Focal Region Generation for UAV-Based Object Detection

CVPR 2026

Unmanned aerial vehicle (UAV) based object detection is a critical but challenging task, when applied in dynamically changing scenarios with limited annotated training data. Layout-to-image generation approaches have proved effective in promoting detection accuracy by synthesizing labeled images bas

Cited by 0SourcecodeScholar
2025

3D²-Actor: Learning Pose-Conditioned 3D-Aware Denoiser for Realistic Gaussian Avatar Modeling

AAAI 2025technical

Advancements in neural implicit representations and differentiable rendering have markedly improved the ability to learn animatable 3D avatars from sparse multi-view RGB videos. However, current methods that map observation space to canonical space often face challenges in capturing pose-dependent d…

Cited by 0SourcePDFScholar
2025

APHQ-ViT: Post-Training Quantization with Average Perturbation Hessian Based Reconstruction for Vision Transformers

CVPR 2025poster

Vision Transformers (ViTs) have become one of the most commonly used backbones for vision tasks. Despite their remarkable performance, they often suffer significant accuracy drop when quantized for practical deployment, particularly by post-training quantization (PTQ) under ultra-low bits. Recently,…

2025

FIMA-Q: Post-Training Quantization for Vision Transformers by Fisher Information Matrix Approximation

CVPR 2025highlight

Post-training quantization (PTQ) has stood out as a cost-effective and promising model compression approach over recent years, as it eliminates the need for retraining on the entire dataset. Unfortunately, most existing PTQ methods for Vision Transformers (ViTs) exhibit a notable drop in accuracy, e…

2025

TCAQ-DM: Timestep-Channel Adaptive Quantization for Diffusion Models

AAAI 2025technical

Diffusion models have achieved remarkable success in the image and video generation tasks. Nevertheless, they often require a large amount of memory and time overhead during inference, due to the complex network architecture and considerable number of timesteps for iterative diffusion. Recently, the…

Cited by 1SourcePDFScholar
2025

The USTC System for EEG-Music Emotion Recognition Challenge

ICASSP 2025accepted

This paper presents the Neural Harmony team’s submission to Task 1 (Person Identification) of the ICASSP 2025 EEG-Music Emotion Recognition Challenge, which aims to identify the subject from a given EEG segment. To enhance performance, we propose a novel architecture incorporating the Multiscale Con…

Cited by 0SourceScholar
2025

Unified Knowledge Maintenance Pruning and Progressive Recovery with Weight Recalling for Large Vision-Language Models

AAAI 2025technical

Large Vision-Language Model (LVLM), leveraging Large Language Model (LLM) as the cognitive core, has recently become one of the most representative multimodal model paradigms. However, with the expansion of unimodal branches, \emph{i.e.} visual encoder and LLM, the storage and computational burdens…

2024

Transforming Vision Transformer: Towards Efficient Multi-Task Asynchronous Learner

NeurIPS 2024poster

Multi-Task Learning (MTL) for Vision Transformer aims at enhancing the model capability by tackling multiple tasks simultaneously. Most recent works have predominantly focused on designing Mixture-of-Experts (MoE) structures and integrating Low-Rank Adaptation (LoRA) to efficiently perform multi-tas…

Cited by 1SourcePDFScholar
2024

Using Human Feedback to Fine-tune Diffusion Models without Any Reward Model

CVPR 2024poster

Using reinforcement learning with human feedback (RLHF) has shown significant promise in fine-tuning diffusion models. Previous methods start by training a reward model that aligns with human preferences then leverage RL techniques to fine-tune the underlying models. However crafting an efficient re…

2023

Adaptive Sparse Convolutional Networks With Global Context Enhancement for Faster Object Detection on Drone Images

CVPR 2023poster

Object detection on drone images with low-latency is an important but challenging task on the resource-constrained unmanned aerial vehicle (UAV) platform. This paper investigates optimizing the detection head based on the sparse convolution, which proves effective in balancing the accuracy and effic…

2023

DR-Tune: Improving Fine-tuning of Pretrained Visual Models by Distribution Regularization with Semantic Calibration

ICCV 2023poster

The visual models pretrained on large-scale benchmarks encode general knowledge and prove effective in building more powerful representations for downstream tasks. Most existing approaches follow the fine-tuning paradigm, either by initializing or regularizing the downstream model based on the pretr…

Cited by 7PDFcodeScholar
2023

Neural MMO 2.0: A Massively Multi-task Addition to Massively Multi-agent Learning

NeurIPS 2023poster

Neural MMO 2.0 is a massively multi-agent and multi-task environment for reinforcement learning research. This version features a novel task-system that broadens the range of training settings and poses a new challenge in generalization: evaluation on and against tasks, maps, and opponents never see…

2023

Recon: Reducing Conflicting Gradients From the Root For Multi-Task Learning

ICLR 2023poster

A fundamental challenge for multi-task learning is that different tasks may conflict with each other when they are solved jointly, and a cause of this phenomenon is conflicting gradients during optimization. Recent works attempt to mitigate the influence of conflicting gradients by directly altering…

2022

Entropy-Based Active Learning for Object Detection With Progressive Diversity Constraint

CVPR 2022poster

Active learning is a promising alternative to alleviate the issue of high annotation cost in the computer vision tasks by consciously selecting more informative samples to label. Active learning for object detection is more challenging and existing efforts on it are relatively rare. In this paper, w…

Cited by 81PDFcodeScholar
2022

Representation Learning for Compressed Video Action Recognition via Attentive Cross-modal Interaction with Motion Enhancement

IJCAI 2022poster

Compressed video action recognition has recently drawn growing attention, since it remarkably reduces the storage and computational cost via replacing raw videos by sparsely sampled RGB frames and compressed motion cues (e.g., motion vectors and residuals). However, this task severely suffers from t…

Cited by 19SourcePDFScholar
2022

Target-Relevant Knowledge Preservation for Multi-Source Domain Adaptive Object Detection

CVPR 2022oral

Domain adaptive object detection (DAOD) is a promising way to alleviate performance drop of detectors in new scenes. Albeit great effort made in single source domain adaptation, a more generalized task with multiple source domains remains not being well explored, due to knowledge degradation during…

Cited by 31PDFScholar
2022

UFPMP-Det:Toward Accurate and Efficient Object Detection on Drone Imagery

AAAI 2022technical

This paper proposes a novel approach to object detection on drone imagery, namely Multi-Proxy Detection Network with Unified Foreground Packing (UFPMP-Det). To deal with the numerous instances of very small scales, different from the common solution that divides the high-resolution input image into…

2021

A Features Decoupling Method for Multiple Manipulations Identification in Image Operation Chains

ICASSP 2021accepted

Recently, many forensic techniques have been developed to detect the use of a certain processing operation. When utilizing several manipulations to alter an image, artifacts left by manipulations that have been applied later can potentially disguise traces left by manipulations that were applied ear…

Cited by 0SourceScholar
2021

Attention-based Multi-Level Fusion Network for Light Field Depth Estimation

AAAI 2021technical

Depth estimation from Light Field (LF) images is a crucial basis for LF related applications. Since multiple views with abundant information are available, how to effectively fuse features of these views is a key point for accurate LF depth estimation. In this paper, we propose a novel attention-bas…

Cited by 76SourcePDFScholar
2021

Effectiveness of Pre-training for Few-shot Intent Classification

EMNLP 2021finding

This paper investigates the effectiveness of pre-training for few-shot intent classification. While existing paradigms commonly further pre-train language models such as BERT on a vast amount of unlabeled corpus, we find it highly effective and efficient to simply fine-tune BERT with a small set of…

2021

Overcoming Catastrophic Forgetting in Incremental Few-Shot Learning by Finding Flat Minima

NeurIPS 2021spotlight

This paper considers incremental few-shot learning, which requires a model to continually recognize new categories with only a few examples provided. Our study shows that existing methods severely suffer from catastrophic forgetting, a well-known problem in incremental learning, which is aggravated…

2021

PR-GCN: A Deep Graph Convolutional Network With Point Refinement for 6D Pose Estimation

ICCV 2021poster

RGB-D based 6D pose estimation has recently achieved remarkable progress, but still suffers from two major limitations: (1) ineffective representation of depth data and (2) insufficient integration of different modalities. This paper proposes a novel deep learning approach, namely Graph Convolutiona…

Cited by 48PDFScholar
2020

A Closer Look at the Training Strategy for Modern Meta-Learning

NeurIPS 2020poster

The support/query (S/Q) episodic training strategy has been widely used in modern meta-learning algorithms and is believed to improve their generalization ability to test environments. This paper conducts a theoretical investigation of this training strategy on generalization. From a stability persp…

2020

Learning Attentive and Hierarchical Representations for 3D Shape Recognition

ECCV 2020poster

This paper proposes a novel method for 3D shape representation learning, namely Hyperbolic Embedded Attentive Representation (HEAR). Different from existing multi-view based methods, HEAR develops a unified framework to address both multi-view redundancy and single-view incompleteness. Specifically,…

Cited by 36SourcePDFScholar
2020

Learning Multi-Granular Hypergraphs for Video-Based Person Re-Identification

CVPR 2020poster

Video-based person re-identification (re-ID) is an important research topic in computer vision. The key to tackling the challenging task is to exploit both spatial and temporal clues in video sequences. In this work, we propose a novel graph-based framework, namely Multi-Granular Hypergraph (MGH), t…

Cited by 189PDFcodeScholar
2019

Deep Sketch-Shape Hashing With Segmented 3D Stochastic Viewing

CVPR 2019poster

Sketch-based 3D shape retrieval has been extensively studied in recent works, most of which focus on improving the retrieval accuracy, whilst neglecting the efficiency. In this paper, we propose a novel framework for efficient sketch-based 3D shape retrieval, i.e., Deep Sketch-Shape Hashing (DSSH),…

Cited by 48PDFScholar
2018

Deep Cross-modality Adaptation via Semantics Preserving Adversarial Learning for Sketch-based 3D Shape Retrieval

ECCV 2018poster

Due to the large cross-modality discrepancy between 2D sketches and 3D shapes, retrieving 3D shapes by sketches is a significantly challenging task. To address this problem, we propose a novel framework to learn a discriminative deep cross-modality adaptation model in this paper. Specifically, we fi…

Cited by 70SourcePDFScholar
2017

Fast Person Re-Identification via Cross-Camera Semantic Binary Transformation

CVPR 2017poster

Numerous methods have been proposed for person re-identification, most of which however neglect the matching efficiency. Recently, several hashing based approaches have been developed to make re-identification more scalable for large-scale gallery sets. Despite their efficiency, these works ignore c…

Cited by 94PDFScholar
2017

Zero-Shot Action Recognition With Error-Correcting Output Codes

CVPR 2017poster

Recently, zero-shot action recognition (ZSAR) has emerged with the explosive growth of action categories. In this paper, we explore ZSAR from a novel perspective by adopting the Error-Correcting Output Codes (dubbed ZSECOC). Our ZSECOC equips the conventional ECOC with the additional capability of Z…

Cited by 186PDFScholar