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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

Video Instance Segmentation (VIS) aims at segmenting and categorizing objects in videos from a closed set of training categories, lacking the generalization ability to handle novel categories in real-world videos. To address this…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Haochen Wang , Cilin Yan , Shuai Wang , Xiaolong Jiang , XU Tang , Yao Hu , Weidi Xie , Efstratios Gavves

This paper presents DetCLIPv2, an efficient and scalable training framework that incorporates large-scale image-text pairs to achieve open-vocabulary object detection (OVD). Unlike previous OVD frameworks that typically rely on a…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Lewei Yao , Jianhua Han , Xiaodan Liang , Dan Xu , Wei Zhang , Zhenguo Li , Hang Xu

Open-vocabulary detection (OVD) is a new object detection paradigm, aiming to localize and recognize unseen objects defined by an unbounded vocabulary. This is challenging since traditional detectors can only learn from pre-defined…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Jincheng Li , Chunyu Xie , Xiaoyu Wu , Bin Wang , Dawei Leng

In the field of visual scene understanding, deep neural networks have made impressive advancements in various core tasks like segmentation, tracking, and detection. However, most approaches operate on the close-set assumption, meaning that…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Jianzong Wu , Xiangtai Li , Shilin Xu , Haobo Yuan , Henghui Ding , Yibo Yang , Xia Li , Jiangning Zhang , Yunhai Tong , Xudong Jiang , Bernard Ghanem , Dacheng Tao

Remote sensing (RS) change analysis is vital for monitoring Earth's dynamic processes by detecting alterations in images over time. Traditional change detection excels at identifying pixel-level changes but lacks the ability to…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Pei Deng , Wenqian Zhou , Hanlin Wu

State-of-the-art models in semantic segmentation primarily operate on single, static images, generating corresponding segmentation masks. This one-shot approach leaves little room for error correction, as the models lack the capability to…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Foivos I. Diakogiannis , Suzanne Furby , Peter Caccetta , Xiaoliang Wu , Rodrigo Ibata , Ondrej Hlinka , John Taylor

Spoken language change detection (LCD) refers to detecting language switching points in a multilingual speech signal. Speaker change detection (SCD) refers to locating the speaker change points in a multispeaker speech signal. The objective…

音频与语音处理 · 电气工程与系统科学 2023-10-10 Jagabandhu Mishra , S. R. Mahadeva Prasanna

Open-vocabulary detection (OVD) is an object detection task aiming at detecting objects from novel categories beyond the base categories on which the detector is trained. Recent OVD methods rely on large-scale visual-language pre-trained…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Xiaoshi Wu , Feng Zhu , Rui Zhao , Hongsheng Li

Audio Word2Vec offers vector representations of fixed dimensionality for variable-length audio segments using Sequence-to-sequence Autoencoder (SA). These vector representations are shown to describe the sequential phonetic structures of…

计算与语言 · 计算机科学 2018-02-20 Chia-Hao Shen , Janet Y. Sung , Hung-Yi Lee

Change detection (CD) aims to identify changes that occur in an image pair taken different times. Prior methods devise specific networks from scratch to predict change masks in pixel-level, and struggle with general segmentation problems.…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Guo-Hua Wang , Bin-Bin Gao , Chengjie Wang

Open-world point cloud semantic segmentation (OW-Seg) aims to predict point labels of both base and novel classes in real-world scenarios. However, existing methods rely on resource-intensive offline incremental learning or densely…

计算机视觉与模式识别 · 计算机科学 2025-08-08 Peng Zhang , Songru Yang , Jinsheng Sun , Weiqing Li , Zhiyong Su

Open-vocabulary semantic segmentation (OVSS) involves assigning labels to each pixel in an image based on textual descriptions, leveraging world models like CLIP. However, they encounter significant challenges in cross-domain…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Aniruddh Sikdar , Aditya Gandhamal , Suresh Sundaram

In this work, we focus on scaling open-vocabulary action detection. Existing approaches for action detection are predominantly limited to closed-set scenarios and rely on complex, parameter-heavy architectures. Extending these models to the…

计算机视觉与模式识别 · 计算机科学 2025-08-15 Zhen Hao Sia , Yogesh Singh Rawat

Open-Vocabulary Segmentation (OVS) aims to segment classes that are not present in the training dataset. However, most existing studies assume that the training data is fixed in advance, overlooking more practical scenarios where new…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Dongjun Hwang , Yejin Kim , Minyoung Lee , Seong Joon Oh , Junsuk Choe

Open-vocabulary object detection (OVD) enables zero-shot recognition of novel categories through vision-language models, achieving strong performance on natural images. However, transferability to aerial imagery remains unexplored. We…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Christos Tsourveloudis

We propose and study open-vocabulary monocular 3D detection, a novel task that aims to detect objects of any categores in metric 3D space from a single RGB image. Existing 3D object detectors either rely on costly sensors such as LiDAR or…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jin Yao , Hao Gu , Xuweiyi Chen , Jiayun Wang , Zezhou Cheng

Measuring semantic change has thus far remained a task where methods using contextual embeddings have struggled to improve upon simpler techniques relying only on static word vectors. Moreover, many of the previously proposed approaches…

计算与语言 · 计算机科学 2023-09-07 Dallas Card

Recently, a few open-vocabulary methods have been proposed by employing a unified architecture to tackle generic segmentation and detection tasks. However, their performance still lags behind the task-specific models due to the conflict…

计算机视觉与模式识别 · 计算机科学 2023-12-13 Shuai Li , Minghan Li , Pengfei Wang , Lei Zhang

Change detection (CD) is a fundamental task in Earth observation. While most change detection methods detect all changes, there is a growing need for specialized methods targeting specific changes relevant to particular applications while…

图像与视频处理 · 电气工程与系统科学 2024-08-14 Tahir Ahmad , Sudipan Saha