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Recently, preference optimization methods such as DPO have significantly enhanced large language models (LLMs) in wide tasks including dialogue and question-answering. However, current methods fail to account for the varying difficulty…

Computation and Language · Computer Science 2024-12-31 Jingyuan Ma , Rui Li , Zheng Li , Lei Sha , Zhifang Sui

Multimodal image fusion and semantic segmentation are critical for autonomous driving. Despite advancements, current models often struggle with segmenting densely packed elements due to a lack of comprehensive fusion features for guidance…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Daixun Li , Weiying Xie , Mingxiang Cao , Yunke Wang , Yusi Zhang , Leyuan Fang , Yunsong Li , Chang Xu

This paper discusses the application of L1-regularized maximum entropy modeling or SL1-Max [9] to multiclass categorization problems. A new modification to the SL1-Max fast sequential learning algorithm is proposed to handle conditional…

Machine Learning · Computer Science 2007-05-23 Patrick Haffner , Steven Phillips , Rob Schapire

Recent years have witnessed a surge of interest in integrating high-dimensional data captured by multisource sensors, driven by the impressive success of neural networks in the integration of multimodal data. However, the integration of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Morteza Ghahremani , Christian Wachinger

Speaker diarization, the process of segmenting an audio stream or transcribed speech content into homogenous partitions based on speaker identity, plays a crucial role in the interpretation and analysis of human speech. Most existing…

Machine Learning · Computer Science 2024-08-23 Luyao Cheng , Hui Wang , Siqi Zheng , Yafeng Chen , Rongjie Huang , Qinglin Zhang , Qian Chen , Xihao Li

Model-based planners for partially observable problems must accommodate both model uncertainty during planning and goal uncertainty during objective inference. However, model-based planners may be brittle under these types of uncertainty…

Artificial Intelligence · Computer Science 2024-02-15 Harrison Delecki , Marcell Vazquez-Chanlatte , Esen Yel , Kyle Wray , Tomer Arnon , Stefan Witwicki , Mykel J. Kochenderfer

Semi-supervised semantic segmentation aims to utilize limited labeled images and abundant unlabeled images to achieve label-efficient learning, wherein the weak-to-strong consistency regularization framework, popularized by FixMatch, is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Wentao Pan , Zhe Xu , Jiangpeng Yan , Zihan Wu , Raymond Kai-yu Tong , Xiu Li , Jianhua Yao

Recent efforts have explored multimodal semantic segmentation using various backbone architectures. However, while most methods aim to improve accuracy, their computational efficiency remains underexplored. To address this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Zelin Zhang , Tao Zhang , KediLI , Xu Zheng

How to effectively leverage the plentiful existing datasets to train a robust and high-performance model is of great significance for many practical applications. However, a model trained on a naive merge of different datasets tends to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Yajie Liu , Pu Ge , Qingjie Liu , Shichao Fan , Yunhong Wang

We propose ViewAL, a novel active learning strategy for semantic segmentation that exploits viewpoint consistency in multi-view datasets. Our core idea is that inconsistencies in model predictions across viewpoints provide a very reliable…

Computer Vision and Pattern Recognition · Computer Science 2020-03-20 Yawar Siddiqui , Julien Valentin , Matthias Nießner

To minimize the annotation costs associated with the training of semantic segmentation models, researchers have extensively investigated weakly-supervised segmentation approaches. In the current weakly-supervised segmentation methods, the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Wataru Shimoda , Keiji Yanai

Incremental learning of semantic segmentation has emerged as a promising strategy for visual scene interpretation in the open- world setting. However, it remains challenging to acquire novel classes in an online fashion for the segmentation…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Shipeng Yan , Jiale Zhou , Jiangwei Xie , Songyang Zhang , Xuming He

This work investigates the use of mixed-norm regularization for sensor selection in Event-Related Potential (ERP) based Brain-Computer Interfaces (BCI). The classification problem is cast as a discriminative optimization framework where…

Machine Learning · Computer Science 2014-03-17 Rémi Flamary , Nisrine Jrad , Ronald Phlypo , Marco Congedo , Alain Rakotomamonjy

Multimodal documents contain diverse elements, such as tables, figures, and layouts, which can complicate retrieval tasks. While current approaches typically combine dense visual embedding models with supervised rerankers to achieve…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Ruofan Hu , Menghui Zhu , Jieming Zhu , Bo Chen , Shengyang Xu , Minjie Hong , Xiaoda Yang , Sashuai Zhou , Li Tang , Tao Jin , Zhou Zhao

Automated mental health prediction using textual data has shown promising results with deep learning and large language models. However, deploying these models in high-stakes real-world settings remains challenging, as existing approaches…

Computation and Language · Computer Science 2026-05-07 Yucheng Ruan , Ling Huang , Qika Lin , Kai He , Mengling Feng

Pixel-level vision tasks, such as semantic segmentation, require extensive and high-quality annotated data, which is costly to obtain. Semi-supervised semantic segmentation (SSSS) has emerged as a solution to alleviate the labeling burden…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Danhui Chen , Ziquan Liu , Chuxi Yang , Dan Wang , Yan Yan , Yi Xu , Xiangyang Ji

While current approaches for neural network training often aim at improving performance, less focus is put on training methods aiming at robustness towards varying noise conditions or directed attacks by adversarial examples. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-24 Marvin Klingner , Andreas Bär , Tim Fingscheidt

Recent progress in multi-modal conditioned face synthesis has enabled the creation of visually striking and accurately aligned facial images. Yet, current methods still face issues with scalability, limited flexibility, and a…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Jingjing Ren , Cheng Xu , Haoyu Chen , Xinran Qin , Lei Zhu

Few-shot image classification requires the classifier to robustly cope with unseen classes even if there are only a few samples for each class. Recent advances benefit from the meta-learning process where episodic tasks are formed to train…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Da Chen , Yongliang Yang , Zunlei Feng , Xiang Wu , Mingli Song , Wenbin Li , Yuan He , Hui Xue , Feng Mao

With the increasing multimedia information, multimodal recommendation has received extensive attention. It utilizes multimodal information to alleviate the data sparsity problem in recommendation systems, thus improving recommendation…

Information Retrieval · Computer Science 2024-03-01 Jinfeng Xu , Zheyu Chen , Shuo Yang , Jinze Li , Hewei Wang , Edith C. -H. Ngai
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