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Recently, deep learning based methods have revolutionized remote sensing image segmentation. However, these methods usually rely on a pre-defined semantic class set, thus needing additional image annotation and model training when adapting…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Chengyang Ye , Yunzhi Zhuge , Pingping Zhang

Open-set learning and discovery (OSLD) is a challenging machine learning task in which samples from new (unknown) classes can appear at test time. It can be seen as a generalization of zero-shot learning, where the new classes are not known…

Out-of-distribution (OOD) detection represents a critical challenge in remote sensing applications, where reliable identification of novel or anomalous patterns is essential for autonomous monitoring, disaster response, and environmental…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Chenhao Wang , Yingrui Ji , Yu Meng , Yunjian Zhang , Yao Zhu

3D semantic segmentation is one of the most crucial tasks in driving perception. The ability of a learning-based model to accurately perceive dense 3D surroundings often ensures the safe operation of autonomous vehicles. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Qing Wu

This technical report describes our submission to the 2021 SLT Children Speech Recognition Challenge (CSRC) Track 1. Our approach combines the use of a joint CTC-attention end-to-end (E2E) speech recognition framework, transfer learning,…

音频与语音处理 · 电气工程与系统科学 2020-11-13 Si-Ioi Ng , Wei Liu , Zhiyuan Peng , Siyuan Feng , Hing-Pang Huang , Odette Scharenborg , Tan Lee

A fundamental limitation of applying semi-supervised learning in real-world settings is the assumption that unlabeled test data contains only classes previously encountered in the labeled training data. However, this assumption rarely holds…

机器学习 · 计算机科学 2022-01-27 Kaidi Cao , Maria Brbic , Jure Leskovec

Building up reliable Out-of-Distribution (OOD) detectors is challenging, often requiring the use of OOD data during training. In this work, we develop a data-driven approach which is distinct and complementary to existing works: Instead of…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Jingyang Zhang , Nathan Inkawhich , Randolph Linderman , Ryan Luley , Yiran Chen , Hai Li

Existing studies typically investigate domain shift and category shift as independent problems, however, in real-world scenarios, the two types of shifts often occur simultaneously and interact, leading to significant degradation in…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yupeng Zhang , Ruize Han , Fangnan Zhou , Wei Feng , Liang Wan

In spite of the high accuracy of the existing optical mark reading (OMR) systems and devices, a few restrictions remain existent. In this work, we aim to reduce the restrictions of multiple choice questions (MCQ) within tests. We use an…

计算机视觉与模式识别 · 计算机科学 2019-01-15 Mahmoud Afifi , Khaled F. Hussain

Out-of-distribution (OOD) detection is a fundamental requirement for the reliable deployment of artificial intelligence applications in open-world environments. However, addressing the heterogeneous nature of OOD data, ranging from…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ignacio Antequera-Sánchez , Juan Luis Suárez-Díaz , Rosana Montes , Francisco Herrera

This paper addresses the challenging problem of open-vocabulary object detection (OVOD) where an object detector must identify both seen and unseen classes in test images without labeled examples of the unseen classes in training. A typical…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Chau Pham , Truong Vu , Khoi Nguyen

Out-of-distribution (OOD) detection is crucial for the safe deployment of neural networks. Existing CLIP-based approaches perform OOD detection by devising novel scoring functions or sophisticated fine-tuning methods. In this work, we…

计算与语言 · 计算机科学 2024-11-06 Yixia Li , Boya Xiong , Guanhua Chen , Yun Chen

Neural networks are known to produce over-confident predictions on input images, even when these images are out-of-distribution (OOD) samples. This limits the applications of neural network models in real-world scenarios, where OOD samples…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Ke Fan , Yikai Wang , Qian Yu , Da Li , Yanwei Fu

Recent studies have addressed the concern of detecting and rejecting the out-of-distribution (OOD) samples as a major challenge in the safe deployment of deep learning (DL) models. It is desired that the DL model should only be confident…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Umar Khalid , Ashkan Esmaeili , Nazmul Karim , Nazanin Rahnavard

Out-of-distribution (OOD) detection is a critical task to ensure the reliability and security of machine learning models deployed in real-world applications. Conventional methods for OOD detection that rely on single-modal information,…

计算机视觉与模式识别 · 计算机科学 2024-03-21 K Huang , G Song , Hanwen Su , Jiyan Wang

Detecting out-of-distribution (OOD) nodes in the graph-based machine-learning field is challenging, particularly when in-distribution (ID) node multi-category labels are unavailable. Thus, we focus on feature space rather than label space…

机器学习 · 计算机科学 2025-10-24 Shenzhi Yang , Junbo Zhao , Sharon Li , Shouqing Yang , Dingyu Yang , Xiaofang Zhang , Haobo Wang

The detection of out of distribution samples for image classification has been widely researched. Safety critical applications, such as autonomous driving, would benefit from the ability to localise the unusual objects causing the image to…

计算机视觉与模式识别 · 计算机科学 2019-11-11 Matt Angus , Krzysztof Czarnecki , Rick Salay

This paper investigates different pretraining approaches to spoken language identification. The paper is based on our submission to the Oriental Language Recognition 2021 Challenge. We participated in two tracks of the challenge:…

音频与语音处理 · 电气工程与系统科学 2022-05-17 Tanel Alumäe , Kunnar Kukk

We focus on the challenge of out-of-distribution (OOD) detection in deep learning models, a crucial aspect in ensuring reliability. Despite considerable effort, the problem remains significantly challenging in deep learning models due to…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Yunhao Ge , Jie Ren , Jiaping Zhao , Kaifeng Chen , Andrew Gallagher , Laurent Itti , Balaji Lakshminarayanan

This paper addresses the open set recognition (OSR) problem, where the goal is to correctly classify samples of known classes while detecting unknown samples to reject. In the OSR problem, "unknown" is assumed to have infinite possibilities…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Jaeyeon Jang