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Weakly-Supervised Change Detection (WSCD) aims to distinguish specific object changes (e.g., objects appearing or disappearing) from background variations (e.g., environmental changes due to light, weather, or seasonal shifts) in paired…

计算机视觉与模式识别 · 计算机科学 2025-12-15 Zhenghui Zhao , Chen Wu , Di Wang , Hongruixuan Chen , Cuiqun Chen , Zhuo Zheng , Bo Du , Liangpei Zhang

We propose TrendSegment, a methodology for detecting multiple change-points corresponding to linear trend changes in one dimensional data. A core ingredient of TrendSegment is a new Tail-Greedy Unbalanced Wavelet transform: a conditionally…

统计方法学 · 统计学 2023-01-09 Hyeyoung Maeng , Piotr Fryzlewicz

Modern scene text recognition systems often depend on large end-to-end architectures that require extensive training and are prohibitively expensive for real-time scenarios. In such cases, the deployment of heavy models becomes impractical…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Ritabrata Chakraborty , Shivakumara Palaiahnakote , Umapada Pal , Cheng-Lin Liu

Many tasks are related to determining if a particular text string exists in an image. In this work, we propose a new framework that learns this task in an end-to-end way. The framework takes an image and a text string as input and then…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Dafang He , Yeqing Li , Alexander Gorban , Derrall Heath , Julian Ibarz , Qian Yu , Daniel Kifer , C. Lee Giles

The requirement of large amounts of annotated images has become one grand challenge while training deep neural network models for various visual detection and recognition tasks. This paper presents a novel image synthesis technique that…

计算机视觉与模式识别 · 计算机科学 2018-09-27 Fangneng Zhan , Shijian Lu , Chuhui Xue

Change detection has been a challenging visual task due to the dynamic nature of real-world scenes. Good performance of existing methods depends largely on prior background images or a long-term observation. These methods, however, suffer…

计算机视觉与模式识别 · 计算机科学 2018-11-21 Chao Chen , Sheng Zhang , Cuibing Du

Document comparison typically relies on optical character recognition (OCR) as its core technology. However, OCR requires the selection of appropriate language models for each document and the performance of multilingual or hybrid models…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Doyoung Park , Naresh Reddy Yarram , Sunjin Kim , Minkyu Kim , Seongho Cho , Taehee Lee

Change detection in remote sensing imagery is essential for a variety of applications such as urban planning, disaster management, and climate research. However, existing methods for identifying semantically changed areas overlook the…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Maximilian Bernhard , Niklas Strauß , Matthias Schubert

Text-based person retrieval aims to identify a target individual from an image gallery using a natural language description. Existing methods primarily focus on appearance-driven cross-modal retrieval, yet face significant challenges due to…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yingjia Xu , Jinlin Wu , Daming Gao , Zhen Chen , Yang Yang , Min Cao , Mang Ye , Zhen Lei

Lexical Semantic Change (LSC) provides insight into cultural and social dynamics. Yet, the validity of methods for measuring different kinds of LSC remains unestablished due to the absence of historical benchmark datasets. To address this…

计算与语言 · 计算机科学 2025-06-05 Naomi Baes , Raphaël Merx , Nick Haslam , Ekaterina Vylomova , Haim Dubossarsky

We introduce SELECT (Scene tExt Label Errors deteCTion), a novel approach that leverages multi-modal training to detect label errors in real-world scene text datasets. Utilizing an image-text encoder and a character-level tokenizer, SELECT…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Wenjun Liu , Qian Wu , Yifeng Hu , Yuke Li

Scene text detection techniques have garnered significant attention due to their wide-ranging applications. However, existing methods have a high demand for training data, and obtaining accurate human annotations is labor-intensive and…

计算机视觉与模式识别 · 计算机科学 2023-11-29 Ling Fu , Zijie Wu , Yingying Zhu , Yuliang Liu , Xiang Bai

End-to-end scene text spotting has attracted great attention in recent years due to the success of excavating the intrinsic synergy of the scene text detection and recognition. However, recent state-of-the-art methods usually incorporate…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Mingxin Huang , Yuliang Liu , Zhenghao Peng , Chongyu Liu , Dahua Lin , Shenggao Zhu , Nicholas Yuan , Kai Ding , Lianwen Jin

Change detection (CD) is a fundamental task in remote sensing (RS) which aims to detect the semantic changes between the same geographical regions at different time stamps. Existing convolutional neural networks (CNNs) based approaches…

计算机视觉与模式识别 · 计算机科学 2024-04-29 Mubashir Noman , Mustansar Fiaz , Hisham Cholakkal

Recognizing texts from camera images is a known hard problem because of the difficulties in text detection from the varied and complicated background. In this paper we propose a novel and efficient method to detect text region from images…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Basavaraj Kaladagi , Jagadeesh Pujari

Semantic change detection (SCD) extends the binary change detection task to provide not only the change locations but also the detailed "from-to" categories in multi-temporal remote sensing data. Such detailed semantic insights into changes…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Zhengyi Xu , Haoran Wu , Wen Jiang , Jie Geng

Automated change detection in remote sensing imagery is critical for urban management, environmental monitoring, and disaster assessment. While deep learning models have advanced this field, they often struggle with challenges like low…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Emad Gholibeigi , Abbas Koochari , Azadeh ZamaniFar

Source-free object detection (SFOD) faces persistent challenges due to class imbalance-driven context bias and instability in teacher-student training under noisy pseudo-labels. Existing techniques tend to ignore context bias and…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Tajamul Ashraf , Rajes Manna , Partha Sarathi Purkayastha , Tavaheed Tariq , Janibul Bashir

We propose an adversarial contextual model for detecting moving objects in images. A deep neural network is trained to predict the optical flow in a region using information from everywhere else but that region (context), while another…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Yanchao Yang , Antonio Loquercio , Davide Scaramuzza , Stefano Soatto

Continual Test-Time Adaptation (CTTA) aims to adapt the source model to continually changing unlabeled target domains without access to the source data. Existing methods mainly focus on model-based adaptation in a self-training manner, such…

计算机视觉与模式识别 · 计算机科学 2023-02-14 Yulu Gan , Yan Bai , Yihang Lou , Xianzheng Ma , Renrui Zhang , Nian Shi , Lin Luo