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Most existing scene text detectors require large-scale training data which cannot scale well due to two major factors: 1) scene text images often have domain-specific distributions; 2) collecting large-scale annotated scene text images is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Zichen Tian , Chuhui Xue , Jingyi Zhang , Shijian Lu

The Earth's surface is constantly changing, and detecting these changes provides valuable insights that benefit various aspects of human society. While traditional change detection methods have been employed to detect changes from…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Elman Ghazaei , Erchan Aptoula

Change detection (CD) is fundamental to computer vision and remote sensing, supporting applications in environmental monitoring, disaster response, and urban development. Most CD models assume co-registered inputs, yet real-world imagery…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Seyedehanita Madani , Rama Chellappa , Vishal M. Patel

When given two similar images, humans identify their differences by comparing the appearance (e.g., color, texture) with the help of semantics (e.g., objects, relations). However, mainstream binary change detection models adopt a supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Yuhang Gan , Wenjie Xuan , Zhiming Luo , Lei Fang , Zengmao Wang , Juhua Liu , Bo Du

Change detection (CD) is a fundamental task for monitoring and analyzing land cover dynamics. While recent high performance models and high quality datasets have significantly advanced the field, a critical limitation persists. Current…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Xu Zhang , Danyang Li , Xiaohang Dong , Tianhao Wu , Hualong Yu , Jianye Wang , Qicheng Li , Xiang Li

Bi-temporal change detection at scale based on Very High Resolution (VHR) images is crucial for Earth monitoring. This remains poorly addressed so far: methods either require large volumes of annotated data (semantic case), or are limited…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Yanis Benidir , Nicolas Gonthier , Clement Mallet

Unsupervised Change Detection (UCD) in multimodal Remote Sensing (RS) images remains a difficult challenge due to the inherent spatio-temporal complexity within data, and the heterogeneity arising from different imaging sensors. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Lei Ding , Xibing Zuo , Danfeng Hong , Haitao Guo , Jun Lu , Zhihui Gong , Lorenzo Bruzzone

Remote sensing image semantic change detection is a method used to analyze remote sensing images, aiming to identify areas of change as well as categorize these changes within images of the same location taken at different times.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Yongshuo Zhu , Lu Li , Keyan Chen , Chenyang Liu , Fugen Zhou , Zhenwei Shi

Semantic Shift Detection (SSD) is the task of identifying, interpreting, and assessing the possible change over time in the meanings of a target word. Traditionally, SSD has been addressed by linguists and social scientists through manual…

Computation and Language · Computer Science 2024-06-12 Stefano Montanelli , Francesco Periti

Detecting temporal semantic changes of words is an important task for various NLP applications that must make time-sensitive predictions. Lexical Semantic Change Detection (SCD) task involves predicting whether a given target word, $w$,…

Computation and Language · Computer Science 2024-06-04 Taichi Aida , Danushka Bollegala

Data augmentation is vital for deep learning neural networks. By providing massive training samples, it helps to improve the generalization ability of the model. Weakly supervised semantic segmentation (WSSS) is a challenging problem that…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Yukun Su , Ruizhou Sun , Guosheng Lin , Qingyao Wu

The adaptation capability to a wide range of domains is crucial for scene text spotting models when deployed to real-world conditions. However, existing state-of-the-art (SOTA) approaches usually incorporate scene text detection and…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Alloy Das , Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal , Saumik Bhattacharya

The existing methods for Remote Sensing Image Change Captioning (RSICC) perform well in simple scenes but exhibit poorer performance in complex scenes. This limitation is primarily attributed to the model's constrained visual ability to…

Computer Vision and Pattern Recognition · Computer Science 2024-05-22 Chenyang Liu , Keyan Chen , Zipeng Qi , Haotian Zhang , Zhengxia Zou , Zhenwei Shi

Accurate detection of road and bridge changes is crucial for urban planning and transportation management, yet presents unique challenges for general change detection (CD). Key difficulties arise from maintaining the continuity of roads and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Qingling Shu , Sibao Chen , Xiao Wang , Zhihui You , Wei Lu , Jin Tang , Bin Luo

Recent research has made significant progress in localizing and editing image regions based on text. However, most approaches treat these regions in isolation, relying solely on local cues without accounting for how each part contributes to…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Thuy Phuong Vu , Dinh-Cuong Hoang , Minhhuy Le , Phan Xuan Tan

As an essential procedure in earth observation system, change detection (CD) aims to reveal the spatial-temporal evolution of the observation regions. A key prerequisite for existing change detection algorithms is aligned geo-references…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yitao Zhao , Sen Lei , Nanqing Liu , Heng-Chao Li , Turgay Celik , Qing Zhu

Style-conditioned scene text generation faces unique challenges in extracting precise text styles from complex backgrounds and maintaining fine-grained style consistency across characters, especially for multilingual scripts. We propose…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zeyu Chen , Fangmin Zhao , Yan Shu , Yichao Liu , Liu Yu , Yu Zhou

Scene text retrieval aims to localize and search all text instances from an image gallery, which are the same or similar to a given query text. Such a task is usually realized by matching a query text to the recognized words, outputted by…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Hao Wang , Xiang Bai , Mingkun Yang , Shenggao Zhu , Jing Wang , Wenyu Liu

Remote sensing change captioning (RSICC) aims to describe changes between bitemporal images in natural language. Existing methods often fail under challenges like illumination differences, viewpoint changes, blur effects, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Ali Can Karaca , M. Enes Ozelbas , Saadettin Berber , Orkhan Karimli , Turabi Yildirim , M. Fatih Amasyali

A critical challenge problem of scene change detection is that noisy changes generated by varying illumination, shadows and camera viewpoint make variances of a scene difficult to define and measure since the noisy changes and semantic ones…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Enqiang Guo , Xinsha Fu , Jiawei Zhu , Min Deng , Yu Liu , Qing Zhu , Haifeng Li