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The advancement of social media contributes to the growing amount of content they share frequently. This framework provides a sophisticated place for people to report various real-life events. Detecting these events with the help of natural…

Machine Learning · Computer Science 2023-01-24 Arya Hadizadeh Moghaddam , Saeedeh Momtazi

Semantic segmentation and instance level segmentation made substantial progress in recent years due to the emergence of deep neural networks (DNNs). A number of deep architectures with Convolution Neural Networks (CNNs) were proposed that…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Pulak Purkait , Christopher Zach , Ian Reid

Events are happening in real-world and real-time, which can be planned and organized for occasions, such as social gatherings, festival celebrations, influential meetings or sports activities. Social media platforms generate a lot of…

Social and Information Networks · Computer Science 2021-04-05 Hao Peng , Jianxin Li , Yangqiu Song , Renyu Yang , Rajiv Ranjan , Philip S. Yu , Lifang He

Change detection is a key task in Earth observation applications. Recently, deep learning methods have demonstrated strong performance and widespread application. However, change detection faces data scarcity due to the labor-intensive…

Computer Vision and Pattern Recognition · Computer Science 2025-03-27 Ziyu Zhou , Keyan Hu , Yutian Fang , Xiaoping Rui

We present a new machine learning and text information extraction approach to detection of cyber threat events in Twitter that are novel (previously non-extant) and developing (marked by significance with respect to similarity with a…

Information Retrieval · Computer Science 2019-07-19 Avishek Bose , Vahid Behzadan , Carlos Aguirre , William H. Hsu

When dealing with document similarity many methods exist today, like cosine similarity. More complex methods are also available based on the semantic analysis of textual information, which are computationally expensive and rarely used in…

Information Retrieval · Computer Science 2015-05-18 Giancarlo Crocetti

Semantic segmentation is the problem of assigning a class label to every pixel in an image, and is an important component of an autonomous vehicle vision stack for facilitating scene understanding and object detection. However, many of the…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Christopher J. Holder , Muhammad Shafique

Watermarking algorithms for large language models (LLMs) have attained high accuracy in detecting LLM-generated text. However, existing methods primarily focus on distinguishing fully watermarked text from non-watermarked text, overlooking…

Computation and Language · Computer Science 2025-02-25 Leyi Pan , Aiwei Liu , Yijian Lu , Zitian Gao , Yichen Di , Shiyu Huang , Lijie Wen , Irwin King , Philip S. Yu

Process mining focuses on the analysis of recorded event data in order to gain insights about the true execution of business processes. While foundational process mining techniques treat such data as sequences of abstract events, more…

Computation and Language · Computer Science 2021-03-23 Adrian Rebmann , Han van der Aa

To detect anomalies in real-world graphs, such as social, email, and financial networks, various approaches have been developed. While they typically assume static input graphs, most real-world graphs grow over time, naturally represented…

Machine Learning · Computer Science 2024-07-26 Jongha Lee , Sunwoo Kim , Kijung Shin

Recent state-of-the-art scene text recognition methods have primarily focused on horizontal text in images. However, in several Asian countries, including China, large amounts of text in signs, books, and TV commercials are vertically…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Chankyu Choi , Youngmin Yoon , Junsu Lee , Junseok Kim

Topic segmentation and labeling is often considered a prerequisite for higher-level conversation analysis and has been shown to be useful in many Natural Language Processing (NLP) applications. We present two new corpora of email and blog…

Computation and Language · Computer Science 2014-02-05 Shafiq Rayhan Joty , Giuseppe Carenini , Raymond T Ng

The review and analysis of large collections of documents and the periodic monitoring of new additions thereto has greatly benefited from new developments in computer software. This paper demonstrates how using random vectors to construct a…

Information Retrieval · Computer Science 2017-11-30 Jean-François Delpech

Some studies have revealed that contexts of scenes (e.g., "home," "office," and "cooking") are advantageous for sound event detection (SED). Mobile devices and sensing technologies give useful information on scenes for SED without the use…

Semantic text similarity plays an important role in software engineering tasks in which engineers are requested to clarify the semantics of descriptive labels (e.g., business terms, table column names) that are often consists of too short…

Computation and Language · Computer Science 2023-10-31 Toshihiro Takahashi , Takaaki Tateishi , Michiaki Tatsubori

In this article, I present the questions that I seek to answer in my PhD research. I posit to analyze natural language text with the help of semantic annotations and mine important events for navigating large text corpora. Semantic…

Information Retrieval · Computer Science 2016-03-02 Dhruv Gupta

Sketch semantic segmentation is a well-explored and pivotal problem in computer vision involving the assignment of pre-defined part labels to individual strokes. This paper presents ContextSeg - a simple yet highly effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-27 Jiawei Wang , Changjian Li

The irregular contour representation is one of the tough challenges in scene text detection. Although segmentation-based methods have achieved significant progress with the help of flexible pixel prediction, the overlap of geographically…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Xu Han , Junyu Gao , Chuang Yang , Yuan Yuan , Qi Wang

The society produces textual data online in several ways, e.g., via reviews and social media posts. Therefore, numerous researchers have been working on discovering patterns in textual data that can indicate peoples' opinions, interests,…

Recently, contrastive learning has largely advanced the progress of unsupervised visual representation learning. Pre-trained on ImageNet, some self-supervised algorithms reported higher transfer learning performance compared to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-18 Longhui Wei , Lingxi Xie , Jianzhong He , Jianlong Chang , Xiaopeng Zhang , Wengang Zhou , Houqiang Li , Qi Tian