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相关论文: Semantic Scan: Detecting Subtle, Spatially Localiz…

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Semantic Textual Similarity (STS) is a crucial component of many Natural Language Processing (NLP) applications. However, existing approaches typically reduce semantic nuances to a single score, limiting interpretability. To address this,…

计算与语言 · 计算机科学 2026-05-15 Diego Miguel Lozano , Daryna Dementieva , Alexander Fraser

The robustness of semantic segmentation on edge cases of traffic scene is a vital factor for the safety of intelligent transportation. However, most of the critical scenes of traffic accidents are extremely dynamic and previously unseen,…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Jiaming Zhang , Kailun Yang , Rainer Stiefelhagen

Finding anomalous subsequence in a long time series is a very important but difficult problem. Existing state-of-the-art methods have been focusing on searching for the subsequence that is the most dissimilar to the rest of the…

机器学习 · 计算机科学 2020-02-18 Li Zhang , Yifeng Gao , Jessica Lin

Detection of emerging topics are now receiving renewed interest motivated by the rapid growth of social networks. Conventional term-frequency-based approaches may not be appropriate in this context, because the information exchanged are not…

机器学习 · 统计学 2011-10-14 Toshimitsu Takahashi , Ryota Tomioka , Kenji Yamanishi

Driven by deep learning and the large volume of data, scene text recognition has evolved rapidly in recent years. Formerly, RNN-attention based methods have dominated this field, but suffer from the problem of \textit{attention drift} in…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Zhaoyi Wan , Minghang He , Haoran Chen , Xiang Bai , Cong Yao

This report investigates enhancing semantic caching effectiveness by employing specialized, fine-tuned embedding models. Semantic caching relies on embedding similarity rather than exact key matching, presenting unique challenges in…

With the increasing adoption of Large Language Models (LLMs) and Vision-Language Models (VLMs), rich document analysis technologies for applications like Retrieval-Augmented Generation (RAG) and visual RAG are gaining significant attention.…

人工智能 · 计算机科学 2026-02-16 Nobuhiro Ueda , Yuyang Dong , Krisztián Boros , Daiki Ito , Takuya Sera , Masafumi Oyamada

During the last fifteen years, automatic text scaling has become one of the key tools of the Text as Data community in political science. Prominent text scaling algorithms, however, rely on the assumption that latent positions can be…

计算与语言 · 计算机科学 2021-10-15 Federico Nanni , Goran Glavas , Ines Rehbein , Simone Paolo Ponzetto , Heiner Stuckenschmidt

Recent advances in image-level self-supervised learning (SSL) have made significant progress, yet learning dense representations for patches remains challenging. Mainstream methods encounter an over-dispersion phenomenon that patches from…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Peisong Wen , Qianqian Xu , Siran Dai , Runmin Cong , Qingming Huang

Early identification of emergent topics is of eminent importance due to their potential impacts on society. There are many methods for detecting emerging terms and topics, all with advantages and drawbacks. However, there is no consensus…

数字图书馆 · 计算机科学 2022-11-03 Ali Ghaemmaghami , Andrea Schiffauerova , Ashkan Ebadi

Automatic detection of topical trends at scale is both challenging and essential for maintaining a dynamic content ecosystem on social media platforms. In this work, we present a large-scale system for identifying emerging topical trends on…

信息检索 · 计算机科学 2026-05-01 Hangqi Zhao , Jay Li , Abhiruchi Bhattacharya , Cong Ni , Jason Yeung , Jinchao Ye , Kai Yang , Akshat Malu , Manish Malik

Topic modeling is a powerful technique to discover hidden topics and patterns within a collection of documents without prior knowledge. Traditional topic modeling and clustering-based techniques encounter challenges in capturing contextual…

计算与语言 · 计算机科学 2024-10-04 Melkamu Abay Mersha , Mesay Gemeda yigezu , Jugal Kalita

Methods for detecting and summarizing emergent keywords have been extensively studied since social media and microblogging activities have started to play an important role in data analysis and decision making. We present a system for…

社会与信息网络 · 计算机科学 2016-10-21 Neela Avudaiappan , Alexander Herzog , Sneha Kadam , Yuheng Du , Jason Thatcher , Ilya Safro

Images with visual and scene text content are ubiquitous in everyday life. However, current image interpretation systems are mostly limited to using only the visual features, neglecting to leverage the scene text content. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Arka Ujjal Dey , Suman Kumar Ghosh , Ernest Valveny , Gaurav Harit

We present a novel deep neural model for text detection in document images. For robust text detection in noisy scanned documents, the advantages of multi-task learning are adopted by adding an auxiliary task of text enhancement. Namely, our…

计算机视觉与模式识别 · 计算机科学 2021-06-11 Eun-Soo Jung , HyeongGwan Son , Kyusam Oh , Yongkeun Yun , Soonhwan Kwon , Min Soo Kim

Scene Text Recognition (STR) models have achieved high performance in recent years on benchmark datasets where text images are presented with minimal noise. Traditional STR recognition pipelines take a cropped image as sole input and…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Joshua Cesare Placidi , Yishu Miao , Zixu Wang , Lucia Specia

Topic segmentation is important in understanding scientific documents since it can not only provide better readability but also facilitate downstream tasks such as information retrieval and question answering by creating appropriate…

计算与语言 · 计算机科学 2023-01-06 Jeonghwan Lee , Jiyeong Han , Sunghoon Baek , Min Song

The time at which a message is communicated is a vital piece of metadata in many real-world natural language processing tasks such as Topic Detection and Tracking (TDT). TDT systems aim to cluster a corpus of news articles by event, and in…

计算与语言 · 计算机科学 2024-03-27 Hang Jiang , Doug Beeferman , Weiquan Mao , Deb Roy

Several applications demand the timely detection of critical situations, such as threats to safety and transparency, over high-velocity streams of symbolic events. This demand has motivated the development of (i) event specification…

人工智能 · 计算机科学 2026-05-05 Periklis Mantenoglou

Tokenization plays a critical role in language modeling, yet existing approaches such as Byte-Pair Encoding (BPE) or WordPiece operate purely on frequency statistics, ignoring the underlying semantic structure of text. This leads to…

计算与语言 · 计算机科学 2025-08-22 Dong Liu , Yanxuan Yu