Search Results for author: Lihua Zhang

Found 21 papers, 6 papers with code

Efficiency in Focus: LayerNorm as a Catalyst for Fine-tuning Medical Visual Language Pre-trained Models

no code implementations25 Apr 2024 Jiawei Chen, Dingkang Yang, Yue Jiang, Mingcheng Li, Jinjie Wei, Xiaolu Hou, Lihua Zhang

In the realm of Medical Visual Language Models (Med-VLMs), the quest for universal efficient fine-tuning mechanisms remains paramount, especially given researchers in interdisciplinary fields are often extremely short of training resources, yet largely unexplored.

Medical Visual Question Answering Question Answering +1

Correlation-Decoupled Knowledge Distillation for Multimodal Sentiment Analysis with Incomplete Modalities

no code implementations25 Apr 2024 Mingcheng Li, Dingkang Yang, Xiao Zhao, Shuaibing Wang, Yan Wang, Kun Yang, Mingyang Sun, Dongliang Kou, Ziyun Qian, Lihua Zhang

Specifically, we present a sample-level contrastive distillation mechanism that transfers comprehensive knowledge containing cross-sample correlations to reconstruct missing semantics.

Disentanglement Knowledge Distillation +1

De-confounded Data-free Knowledge Distillation for Handling Distribution Shifts

no code implementations28 Mar 2024 Yuzheng Wang, Dingkang Yang, Zhaoyu Chen, Yang Liu, Siao Liu, Wenqiang Zhang, Lihua Zhang, Lizhe Qi

Data-Free Knowledge Distillation (DFKD) is a promising task to train high-performance small models to enhance actual deployment without relying on the original training data.

Causal Inference Data-free Knowledge Distillation

Can LLMs' Tuning Methods Work in Medical Multimodal Domain?

no code implementations11 Mar 2024 Jiawei Chen, Yue Jiang, Dingkang Yang, Mingcheng Li, Jinjie Wei, Ziyun Qian, Lihua Zhang

We show the different impacts of fine-tuning methods for large models on medical VLMs and develop the most efficient ways to fine-tune medical VLP models.

Transfer Learning World Knowledge

Robust Emotion Recognition in Context Debiasing

no code implementations9 Mar 2024 Dingkang Yang, Kun Yang, Mingcheng Li, Shunli Wang, Shuaibing Wang, Lihua Zhang

Following the causal graph, CLEF introduces a non-invasive context branch to capture the adverse direct effect caused by the context bias.

counterfactual Emotion Recognition in Context

Towards Multimodal Human Intention Understanding Debiasing via Subject-Deconfounding

no code implementations8 Mar 2024 Dingkang Yang, Dongling Xiao, Ke Li, Yuzheng Wang, Zhaoyu Chen, Jinjie Wei, Lihua Zhang

Multimodal intention understanding (MIU) is an indispensable component of human expression analysis (e. g., sentiment or humor) from heterogeneous modalities, including visual postures, linguistic contents, and acoustic behaviors.

Towards Multimodal Sentiment Analysis Debiasing via Bias Purification

no code implementations8 Mar 2024 Dingkang Yang, Mingcheng Li, Dongling Xiao, Yang Liu, Kun Yang, Zhaoyu Chen, Yuzheng Wang, Peng Zhai, Ke Li, Lihua Zhang

In the inference phase, given a factual multimodal input, MCIS imagines two counterfactual scenarios to purify and mitigate these biases.

counterfactual Counterfactual Inference +1

MISS: A Generative Pretraining and Finetuning Approach for Med-VQA

no code implementations10 Jan 2024 Jiawei Chen, Dingkang Yang, Yue Jiang, Yuxuan Lei, Lihua Zhang

However, most methods in the medical field treat VQA as an answer classification task which is difficult to transfer to practical application scenarios.

Medical Visual Question Answering Multi-Task Learning +3

Human 3D Avatar Modeling with Implicit Neural Representation: A Brief Survey

no code implementations6 Jun 2023 Mingyang Sun, Dingkang Yang, Dongliang Kou, Yang Jiang, Weihua Shan, Zhe Yan, Lihua Zhang

This paper comprehensively reviews the application of implicit neural representation in human body modeling.

Context De-confounded Emotion Recognition

1 code implementation CVPR 2023 Dingkang Yang, Zhaoyu Chen, Yuzheng Wang, Shunli Wang, Mingcheng Li, Siao Liu, Xiao Zhao, Shuai Huang, Zhiyan Dong, Peng Zhai, Lihua Zhang

However, a long-overlooked issue is that a context bias in existing datasets leads to a significantly unbalanced distribution of emotional states among different context scenarios.

Emotion Recognition

Towards Simultaneous Segmentation of Liver Tumors and Intrahepatic Vessels via Cross-attention Mechanism

no code implementations20 Feb 2023 Haopeng Kuang, Dingkang Yang, Shunli Wang, Xiaoying Wang, Lihua Zhang

Accurate visualization of liver tumors and their surrounding blood vessels is essential for noninvasive diagnosis and prognosis prediction of tumors.

Image Segmentation Medical Image Segmentation +2

Achieving a Given Financial Goal with Optimal Deferred Term Insurance Purchasing Policy

no code implementations9 Dec 2022 Yuqi Li, Lihua Zhang

It is worth noting that when m=0, n \rightarrow \infty, our problem is equivalent to achieving the just mentioned bequest goal by purchasing whole life insurance, at which point the maximum probability and the life insurance purchasing strategies we provide are consistent with those in \cite{Bayraktar2014, Bayraktar2016}.

CA-SpaceNet: Counterfactual Analysis for 6D Pose Estimation in Space

1 code implementation16 Jul 2022 Shunli Wang, Shuaibing Wang, Bo Jiao, Dingkang Yang, Liuzhen Su, Peng Zhai, Chixiao Chen, Lihua Zhang

Considering that the pose estimator is sensitive to background interference, this paper proposes a counterfactual analysis framework named CASpaceNet to complete robust 6D pose estimation of the spaceborne targets under complicated background.

6D Pose Estimation Causal Inference +2

TSA-Net: Tube Self-Attention Network for Action Quality Assessment

1 code implementation11 Jan 2022 Shunli Wang, Dingkang Yang, Peng Zhai, Chixiao Chen, Lihua Zhang

Specifically, we introduce a single object tracker into AQA and propose the Tube Self-Attention Module (TSA), which can efficiently generate rich spatio-temporal contextual information by adopting sparse feature interactions.

Action Assessment Action Quality Assessment +2

Sample Efficient Imitation Learning via Reward Function Trained in Advance

no code implementations23 Nov 2021 Lihua Zhang

Our method, which we call \textit{Model Reward Function Based Imitation Learning} (MRFIL), uses an ensemble dynamic model as a reward function, what is trained with expert demonstrations.

Imitation Learning

A Unified Joint Matrix Factorization Framework for Data Integration

1 code implementation25 Jul 2017 Lihua Zhang, Shihua Zhang

In this paper, we introduce a sparse multiple relationship data regularized joint matrix factorization (JMF) framework and two adapted prediction models for pattern recognition and data integration.

Data Integration

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