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Related papers: MySemCloud: Semantic-aware Word Cloud Editing

200 papers

Large Language Models (LLMs) are reshaping unsupervised learning by offering an unprecedented ability to perform text clustering based on their deep semantic understanding. However, their direct application is fundamentally limited by a…

Computation and Language · Computer Science 2026-04-08 Yuanjie Zhu , Liangwei Yang , Ke Xu , Weizhi Zhang , Zihe Song , Jindong Wang , Philip S. Yu

Recently, many studies have been conducted to enhance the zero-shot generalization ability of vision-language models (e.g., CLIP) by addressing the semantic misalignment between image and text embeddings in downstream tasks. Although many…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Xiaojie Yin , Qilong Wang , Bing Cao , Qinghua Hu

Text classification has become indispensable due to the rapid increase of text in digital form. Over the past three decades, efforts have been made to approach this task using various learning algorithms and statistical models based on…

Machine Learning · Statistics 2018-06-11 Erica K. Shimomoto , Lincon S. Souza , Bernardo B. Gatto , Kazuhiro Fukui

Current techniques face difficulties in generating motions from intricate semantic descriptions, primarily due to insufficient semantic annotations in datasets and weak contextual understanding. To address these issues, we present…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Xin He , Shaoli Huang , Xiaohang Zhan , Chao Weng , Ying Shan

Text-to-image customization, which aims to synthesize text-driven images for the given subjects, has recently revolutionized content creation. Existing works follow the pseudo-word paradigm, i.e., represent the given subjects as…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Mengqi Huang , Zhendong Mao , Mingcong Liu , Qian He , Yongdong Zhang

Co-occurrence statistics based word embedding techniques have proved to be very useful in extracting the semantic and syntactic representation of words as low dimensional continuous vectors. In this work, we discovered that dictionary…

Computation and Language · Computer Science 2021-03-16 Juexiao Zhang , Yubei Chen , Brian Cheung , Bruno A Olshausen

As three-dimensional acquisition technologies like LiDAR cameras advance, the need for efficient transmission of 3D point clouds is becoming increasingly important. In this paper, we present a novel semantic communication (SemCom) approach…

Emerging Technologies · Computer Science 2025-05-13 Shangzhuo Xie , Qianqian Yang , Yuyi Sun , Tianxiao Han , Zhaohui Yang , Zhiguo Shi

Vision-language fine-tuning has emerged as an efficient paradigm for constructing multimodal foundation models. While textual context often highlights semantic relationships within an image, existing fine-tuning methods typically overlook…

Computer Vision and Pattern Recognition · Computer Science 2025-11-14 Xiangyang Wu , Liu Liu , Baosheng Yu , Jiayan Qiu , Zhenwei Shi

The rapid progress of GANs and Diffusion Models poses new challenges for detecting AI-generated images. Although CLIP-based detectors exhibit promising generalization, they often rely on semantic cues rather than generator artifacts,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Beilin Chu , Weike You , Mengtao Li , Tingting Zheng , Kehan Zhao , Xuan Xu , Zhigao Lu , Jia Song , Moxuan Xu , Linna Zhou

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…

Computation and Language · Computer Science 2025-08-22 Dong Liu , Yanxuan Yu

Word embeddings are a fixed, distributional representation of the context of words in a corpus learned from word co-occurrences. While word embeddings have proven to have many practical uses in natural language processing tasks, they…

Computation and Language · Computer Science 2020-10-02 James Powell , Kari Sentz

We present Semantify: a self-supervised method that utilizes the semantic power of CLIP language-vision foundation model to simplify the control of 3D morphable models. Given a parametric model, training data is created by randomly sampling…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Omer Gralnik , Guy Gafni , Ariel Shamir

Artificial Intelligence federates numerous scientific fields in the aim of developing machines able to assist human operators performing complex treatments -- most of which demand high cognitive skills (e.g. learning or decision processes).…

Artificial Intelligence · Computer Science 2017-04-19 Sébastien Harispe , Sylvie Ranwez , Stefan Janaqi , Jacky Montmain

We present Sense Clustering over Time (SCoT), a novel network-based tool for analysing lexical change. SCoT represents the meanings of a word as clusters of similar words. It visualises their formation, change, and demise. There are two…

Computation and Language · Computer Science 2022-03-21 Christian Haase , Saba Anwar , Seid Muhie Yimam , Alexander Friedrich , Chris Biemann

Semantic Similarity is an important application which finds its use in many downstream NLP applications. Though the task is mathematically defined, semantic similarity's essence is to capture the notions of similarity impregnated in humans.…

Computation and Language · Computer Science 2018-05-18 Ameet Deshpande , Vedant Somani

Finding image correspondences remains a challenging problem in the presence of intra-class variations and large changes in scene layout.~Semantic flow methods are designed to handle images depicting different instances of the same object or…

Computer Vision and Pattern Recognition · Computer Science 2016-07-11 Bumsub Ham , Minsu Cho , Cordelia Schmid , Jean Ponce

We describe a visualization tool that can be used to view the change in meaning of words over time. The tool makes use of existing (static) word embedding datasets together with a timestamped $n$-gram corpus to create {\em temporal} word…

Computation and Language · Computer Science 2014-10-21 Chiraag Lala , Shay B. Cohen

We develop and test a novel unsupervised algorithm for word sense induction and disambiguation which uses topological data analysis. Typical approaches to the problem involve clustering, based on simple low level features of distance in…

Computation and Language · Computer Science 2022-03-02 Michael Rawson , Samuel Dooley , Mithun Bharadwaj , Rishabh Choudhary

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

In recent years, the surge in unstructured data analysis, facilitated by advancements in Machine Learning (ML), has prompted diverse approaches for handling images, text documents, and videos. Analysts, leveraging ML models, can extract…

Databases · Computer Science 2024-04-08 Akash Mittal , Anshul Bheemreddy , Huili Tao