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Accurate detection and segmentation of brain tumors is critical for medical diagnosis. However, current supervised learning methods require extensively annotated images and the state-of-the-art generative models used in unsupervised methods…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Wenxin Wang , Zhuo-Xu Cui , Guanxun Cheng , Chentao Cao , Xi Xu , Ziwei Liu , Haifeng Wang , Yulong Qi , Dong Liang , Yanjie Zhu

Radiology Report Generation (RRG) is an important research topic for relieving radiologist' heavy workload. Existing RRG models mainly rely on supervised fine-tuning (SFT) based on different model architectures using data pairs of…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Ting Xiao , Lei Shi , Yang Zhang , HaoFeng Yang , Zhe Wang , Chenjia Bai

Retrieval-Augmented Generation (RAG) has emerged as a critical technique for enhancing large language model (LLM) capabilities. However, practitioners face significant challenges when making RAG deployment decisions. While existing research…

软件工程 · 计算机科学 2025-07-22 Shengming Zhao , Yuchen Shao , Yuheng Huang , Jiayang Song , Zhijie Wang , Chengcheng Wan , Lei Ma

In this paper, a gradient-free distributed algorithm is introduced to solve a set constrained optimization problem under a directed communication network. Specifically, at each time-step, the agents locally compute a so-called…

最优化与控制 · 数学 2021-09-06 Yipeng Pang , Guoqiang Hu

Radiology Report Generation (RRG) through Vision-Language Models (VLMs) promises to reduce documentation burden, improve reporting consistency, and accelerate clinical workflows. However, their clinical adoption remains limited by the lack…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Marco Salmè , Federico Siciliano , Fabrizio Silvestri , Paolo Soda , Rosa Sicilia , Valerio Guarrasi

Deep learning has proven to be a highly effective tool for a wide range of applications, significantly when leveraging the power of multi-loss functions to optimize performance on multiple criteria simultaneously. However, optimal selection…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Amin Golnari , Mostafa Diba

Surgical triplet recognition, which involves identifying instrument, verb, target, and their combinations, is a complex surgical scene understanding challenge plagued by long-tailed data distribution. The mainstream multi-task learning…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Yiyi Zhang , Yuchen Yuan , Ying Zheng , Jialun Pei , Jinpeng Li , Zheng Li , Pheng-Ann Heng

Agentic Retrieval-Augmented Generation (Agentic RAG) enhances the processing capability for complex tasks through dynamic retrieval and adaptive workflows. Recent advances (e.g., Search-R1) have shown that outcome-supervised reinforcement…

计算与语言 · 计算机科学 2025-10-08 Yongqi Leng , Yikun Lei , Xikai Liu , Meizhi Zhong , Bojian Xiong , Yurong Zhang , Yan Gao , Yi Wu , Yao Hu , Deyi Xiong

Existing deep learning methods for radiology report generation enhance diagnostic efficiency but often overlook physician-informed medical priors. This leads to a suboptimal alignment between the structured explanations and disease…

组织与器官 · 定量生物学 2026-04-13 Aishik Konwer , Moinak Bhattacharya , Prateek Prasanna

Sharpness-Aware Minimization (SAM) improves model generalization but doubles the computational cost of Stochastic Gradient Descent (SGD) by requiring twice the gradient calculations per optimization step. To mitigate this, we propose…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Jiaxin Deng , Junbiao Pang

Achieving pixel-level registration between SAR and optical images remains a challenging task due to their fundamentally different imaging mechanisms and visual characteristics. Although deep learning has achieved great success in many…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Haodong Wang , Tao Zhuo , Xiuwei Zhang , Hanlin Yin , Wencong Wu , Yanning Zhang

Multi-task learning is a popular machine learning approach that enables simultaneous learning of multiple related tasks, improving algorithmic efficiency and effectiveness. In the hard parameter sharing approach, an encoder shared through…

机器学习 · 统计学 2024-09-26 Seokwon Shin , Hyungrok Do , Youngdoo Son

Delivery Time Estimation (DTE) is a crucial component of the e-commerce supply chain that predicts delivery time based on merchant information, sending address, receiving address, and payment time. Accurate DTE can boost platform revenue…

机器学习 · 计算机科学 2023-02-20 Lei Zhang , Mingliang Wang , Xin Zhou , Xingyu Wu , Yiming Cao , Yonghui Xu , Lizhen Cui , Zhiqi Shen

Radiology report generation (RRG) has shown great potential in assisting radiologists by automating the labor-intensive task of report writing. While recent advancements have improved the quality and coherence of generated reports, ensuring…

人工智能 · 计算机科学 2025-03-18 Chenyu Wang , Weichao Zhou , Shantanu Ghosh , Kayhan Batmanghelich , Wenchao Li

The use of mathematical models to make predictions about tumor growth and response to treatment has become increasingly more prevalent in the clinical setting. The level of complexity within these models ranges broadly, and the calibration…

定量方法 · 定量生物学 2021-12-28 Allison L. Lewis , Kathleen M. Storey , Heyrim Cho , Anna C. Zittle

This paper proposes a safe reinforcement learning algorithm for generation bidding decisions and unit maintenance scheduling in a competitive electricity market environment. In this problem, each unit aims to find a bidding strategy that…

系统与控制 · 电气工程与系统科学 2021-12-21 Pegah Rokhforoz , Olga Fink

Two-stage adaptive robust optimization (ARO) is a powerful approach for planning under uncertainty, balancing first-stage decisions with recourse decisions made after uncertainty is realized. To account for uncertainty, modelers typically…

系统与控制 · 电气工程与系统科学 2025-04-10 Aron Brenner , Rahman Khorramfar , Jennifer Sun , Saurabh Amin

Modern camera pipelines apply extensive on-device processing, such as exposure adjustment, white balance, and color correction, which, while beneficial individually, often introduce photometric inconsistencies across views. These appearance…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Jisu Shin , Richard Shaw , Seunghyun Shin , Zhensong Zhang , Hae-Gon Jeon , Eduardo Perez-Pellitero

Seeking to improve model generalization, we consider a new approach based on distributionally robust learning (DRL) that applies stochastic gradient descent to the outer minimization problem. Our algorithm efficiently estimates the gradient…

机器学习 · 统计学 2020-12-24 Soumyadip Ghosh , Mark Squillante

Fine-tuning-as-a-Service introduces a critical vulnerability where a few malicious examples mixed into the user's fine-tuning dataset can compromise the safety alignment of Large Language Models (LLMs). While a recognized paradigm frames…

计算与语言 · 计算机科学 2025-08-12 Biao Yi , Jiahao Li , Baolei Zhang , Lihai Nie , Tong Li , Tiansheng Huang , Zheli Liu