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检索条件"任意字段=Conference on Visual Data Exploration and Analysis"

共 1754 条记录，以下是111-120 订阅

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Vanessa : visual Connotation and Aesthetic Attributes Understanding Network for Multimodal Aspect-based Sentiment analysis

Vanessa : Visual Connotation and Aesthetic Attributes Unders...

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2024 conference on Empirical Methods in Natural Language Processing, EMNLP 2024

作者： Xiao, Luwei Mao, Rui Zhang, Xulang He, Liang Cambria, Erik School of Computer Science and Technology East China Normal University Shanghai China College of Computing and Data Science Nanyang Technological University Singapore

ISBN: (纸本)9798891761681

Prevailing research concentrates on superficial features or descriptions of images, revealing a significant gap in the systematic exploration of their connotative and aesthetic attributes. Furthermore, the use of cross-modal relation detection modules to eliminate noise from comprehensive image representations leads to the omission of subtle contextual information. We present Vanessa, a visual connotation and aesthetic Attributes understanding network for multimodal aspect-based sentiment analysis. It incorporates a multi-aesthetic attributes aggregation (MA3) module that models intra- and inter-dependencies among bi-modal representations as well as emotion-laden aesthetic attributes. Moreover, we devise a self-supervised contrastive learning framework to explore the pairwise relevance between images and text via the Gaussian distribution of their CLIP scores. By dynamically clustering and merging multimodal tokens, Vanessa effectively captures both implicit and explicit sentimental cues. Extensive experiments on two widely adopted benchmarks verify Vanessa's effectiveness. © 2024 Association for Computational Linguistics.

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visualization analysis of Metaverse Research Situation Based on CiteSpace 2

Visualization Analysis of Metaverse Research Situation Based...

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2nd International conference on Frontiers of Communications, Information System and data Science, CISDS 2023

作者： Zhu, Weiqiao Li, Defang Guangzhou Maritime University Guangzhou China Guangzhou Vocational College of Technology &Business Guangzhou China

ISBN: (纸本)9798350381474

Using the CiteSpace visual knowledge map analysis method, this paper conducts a comprehensive quantitative analysis of the literature on metaverse research from 2000 to 2023, which was collected from the Web of Science database. The analysis focuses on the time distribution, spatial distribution, research hotspots, and frontier trends. Currently, both domestic and international research in the field of metaverse is experiencing a prosperous period of theoretical deliberation and practical exploration. The cutting-edge research topics are primarily centered around virtual reality, digital twinning, blockchain, and other related fields. Additionally, there is still a need for further development in terms of technical layout, standards, and regulations. © 2023 IEEE.

关键词： Virtual reality

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Saliency of Omnidirectional Videos with Different Audio Presentations: Analyses and dataset 15

Saliency of Omnidirectional Videos with Different Audio Pres...

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15th International conference on Quality of Multimedia Experience (QoMEX) - Towards Sustainable and Inclusive Multimedia Experiences

作者： Singla, Ashutosh Robotham, Thomas Bhattacharya, Abhinav Menz, William Habets, Emanuel A. P. Raake, Alexander TU Ilmenau Audiovisual Technol Grp Ilmenau Germany Int Audio Labs Erlangen Erlangen Germany

ISBN: (纸本)9798350311730

There is an increased interest in understanding users' behavior when exploring omnidirectional (360 degrees) videos, especially in the presence of spatial audio. Several studies demonstrate the effect of no, mono, or spatial audio on visual saliency. However, no studies investigate the influence of higher-order (i.e., 4th-order) Ambisonics on subjective exploration in virtual reality settings. In this work, a between-subjects test design is employed to collect users' exploration data of 360 degrees videos in a free-form viewing scenario using the Varjo XR-3 Head Mounted Display, in the presence of no, mono, and 4th-order Ambisonics audio. Saliency information was captured as head-saliency in terms of the center of a viewport at 50 Hz. For each item, subjects were asked to describe the scene with a short free-verbalization task. Moreover, cybersickness was assessed using the simulator sickness questionnaire at the beginning and at the end of the test. The head-saliency results over time show that with the presence of higher-order Ambisonics audio, subjects concentrate more on the directions sound is coming from. No influence of audio scenario on cybersickness scores was observed. From the analysis of the verbal scene descriptions, it was found that users were attentive to the omnidirectional video, but only for the 'no audio' scenario provided minute and insignificant details of the scene objects. The audiovisual saliency dataset is made available following the open science approach already used for the audiovisual scene recordings we previously published. The data is sought to enable training of visual and audiovisual saliency prediction models for interactive experiences.

关键词： visual saliency audiovisual saliency spatial audio 360 degrees video 4th-order Ambisonics

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Design of a University Book Push System Based on Big data 4

Design of a University Book Push System Based on Big Data

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4th International conference on Computer Science and Management Technology, ICCSMT 2023

作者： Sheng, Liqiang Xia, Hui Li, Xiangquan School of Information Engineering Jingdezhen University Jingdezhen333000 China

ISBN: (纸本)9798400709517

In response to the existing university book recommendation systems that mostly recommend readers based on library resources and lack exploration of recommended books, this paper proposes a system service architecture that accurately pushes both readers and libraries simultaneously. The system is designed using technologies such as web spiders, big data, NLP, and visual analysis. The system integrates reader data entry, web crawler, user profile, book similarity measurement, and intelligent push functions. Book managers can use the system to push books accurately and discover recommended books. The system fully utilizes book attribute data and reader attribute data, avoiding common cold start issues in recommendation systems, and providing support for improving the service level of the library and scientifically allocating collection resources. © 2023 ACM.

关键词： Recommender systems

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visual Communication Design of Multi-dimensional Image visualization Fusion System Based on Wavelet Transform 3

Visual Communication Design of Multi-dimensional Image Visua...

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3rd IEEE International conference on Electronic Technology, Communication and Information, ICETCI 2023

作者： Li, Wenjie Changchun University of Chinese Medicine Art Education Teaching and Research Section of Marxism College Changchun130000 China

ISBN: (纸本)9798350398410

With the rapid development of remote sensing technology, multi-source remote sensing image fusion has become one of the hot issues in remote sensing field in recent years. Aiming at the poor edge registration of images obtained by conventional remote sensing image fusion system, a multidimensional visual fusion system of remote sensing images based on visual communication is designed. CABAC encoder is selected to make data flow and control flow cooperate with each other to obtain feedback data. However, the rapid increase of data also increases the difficulty of comprehensive observation, because the image data obtained by different sensors have their own differences and limitations in spectral information and spatial details, so we want to bring the fusion technology into this field, expand the working range of the system, improve the reliability of the system, obtain a more efficient representation of information and improve the cost performance of the system. Image fusion technology plays an extremely important role in remote sensing, medicine, natural resources exploration, marine resources management, topography analysis, biology and other fields. The left and right focused images, infrared images and visible images are used for simulation experiments, and the objective evaluation indexes of images are used to verify the feasibility of this method. © 2023 IEEE.

关键词： Wavelet transforms

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Extending Instance Space analysis to Algorithm Configuration Spaces

Extending Instance Space Analysis to Algorithm Configuration...

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2024 Genetic and Evolutionary Computation conference Companion, GECCO 2024 Companion

作者： Rasulo, Anthony Smith-Miles, Kate Muñoz, Mario Handl, Julia López-Ibáñez, Manuel The University of Manchester The University of Melbourne Manchester United Kingdom The University of Manchester Manchester United Kingdom

ISBN: (纸本)9798400704956

This paper describes an approach for deriving visual insights about the joint relationship between algorithm performance, algorithm parameters, and problem instance features. This involves the combined analysis and exploration of a 2D instance space, to which instances from some problem space are projected, and a 2D configuration space, to which (algorithm) configurations are projected. Extending on the dimensionality reduction problem solved in Instance Space analysis, we define an optimisation problem for finding projections to these two spaces, with an interpretable relationship between them. Then, we describe the tools developed for probing those spaces in an investigation of the question: What characterises the algorithm configurations that perform best on a selected group of instances (or vice versa)? We demonstrate the use of these tools on synthetic data with known ground truth. © 2024 held by the owner/author(s).

关键词： Consensus algorithm

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Did Somebody Say 'Gest-IT'? A Pilot exploration of Multimodal data Management 10

Did Somebody Say 'Gest-IT'? A Pilot Exploration of Multimoda...

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10th Italian conference on Computational Linguistics, CLiC-it 2024

作者： Pannitto, Ludovica Albanesi, Lorenzo Marion, Laura Martines, Federica Maria Caruso, Carmelo Bianchini, Claudia S. Masini, Francesca Mauri, Caterina Alma Mater Studiorum University of Bologna Italy University of Poitiers FoReLLIS Laboratory France

The paper presents a pilot exploration of the construction, management and analysis of a multimodal corpus. Through a three-layer annotation that provides orthographic, prosodic, and gestural transcriptions, the Gest-IT resource allows to investigate the variation of gesture-making patterns in conversations between sighted people and people with visual impairment. After discussing the transcription methods and technical procedures employed in our study, we propose a unified CoNLL-U corpus and indicate our future steps. © 2024 CEUR-WS. All rights reserved.

关键词： Information management

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Exploring data Workers’ Behaviours in data Quality Discovery 44

Exploring Data Workers’ Behaviours in Data Quality Discover...

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44th International conference on Information Systems: Rising like a Phoenix: Emerging from the Pandemic and Reshaping Human Endeavors with Digital Technologies, ICIS 2023

作者： Chen, Tianwa Demartini, Gianluca Indulska, Marta Sadiq, Shazia School of Electrical Engineering and Computer Science The University of Queensland Brisbane Australia Business School The University of Queensland Brisbane Australia

ISBN: (纸本)9781713893622

The rise of data re-purposing has resulted in an unprecedented opportunity to create new value from existing data assets. Unlike previous approaches that relied on well-understood data quality requirements, this open-ended setting demands a discovery-oriented approach. Despite a growing market of tools that assist with data exploration and profiling, data quality discovery continues to drain the time of data workers due to its cognitively demanding and contextual nature. Accordingly, we study data quality discovery through purpose-built experimental platforms that mimic typical data exploration platforms, and explore implicit sensemaking behaviours of data workers when required to write code or use available functions, by exploiting eye-tracking and log data. Our analysis of visual scanning and attention patterns reveals various sensemaking loops amongst data workers with different performance levels in different settings. Our findings provide insights for researchers and tool designers to consider how to support different data workers in data quality discovery. Copyright © 2023 Tianwa Chen, Gianluca Demartini, Marta Indulska, Shazia Sadiq.

关键词： Eye tracking

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Fine-Tuning Large Language Models for Automatic Font Skeleton Generation: exploration and analysis 17th

Fine-Tuning Large Language Models for Automatic Font Skelet...

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17th Asian conference on Computer Vision, ACCV 2024

作者： Liu, Yuxuan Fujii, Yasuhisa Zhu, Xinru Nohara, Kayoko School of Environment and Society Institute of Science Tokyo Tokyo Japan Google DeepMind Tokyo Japan

ISBN: (纸本)9789819609079

Despite the pivotal role that font skeletons could play in typeface research and font design, the availability of font skeleton data is sparse and limited. This research explores the possibility of using Large Language Models (LLMs) to generate font skeleton data based on font outline data. Our method represents font skeletons and font outlines as sequences of text tokens derived from SVG commands, and formulates the font skeleton task as a language modeling task predicting the token sequence for a font skeleton given the token sequence of a font outline. As a first attempt, we fine-tuned GPT-3.5 on a dataset of 8,213 Japanese font outlines and corresponding skeletons. Both quantitative and qualitative evaluations show the effectiveness of the approach in terms of rasterized pixel distance, Chamfer distance, and visual analysis. Our proposed method achieved average results of 14.678 for rasterized pixel distance and 1.713 for Chamfer distance, both better than the baseline method (PolyVectorization). In visual analysis, we found better generation results for complex shapes which logograms such as Chinese characters tend to have, than for the simple shapes of syllabograms such as Japanese kana, phonograms such as Latin alphabets, and symbols. Although our fine-tuned model has limitations in generating the skeletons of other font styles, this research establishes a foundation for the automatic generation of font skeletons using LLMs, setting the stage for future work on automatic skeleton generation and the wider application of font skeletons in typography. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2025.

关键词： Musculoskeletal system

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Exploring data Workers’ Behaviours in data Quality Discovery 34

Exploring Data Workers’ Behaviours in Data Quality Discover...

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34th Australasian conference on Information Systems, ACIS 2023

关键词： Eye tracking

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