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2022 acm International Joint Conference on Pervasive and Ubiquitous computing and the 2022 acm International Symposium on Wearable Computers, UbiComp/ISWC 2022

作者： Sun, Zhaodong Vedernikov, Alexander Kykyri, Virpi-Liisa Pohjola, Mikko Nokia, Miriam Li, Xiaobai Center for Machine Vision and Signal Analysis University of Oulu Oulu Finland Department of Psychology University of Jyväskylä Jyväskylä Finland

ISBN: (纸本)9781450394239

Work stress impacts people's daily lives. Their well-being can be improved if the stress is monitored and addressed in time. Attaching physiological sensors are used for such stress monitoring and analysis. Such approach is feasible only when the person is physically presented. Due to the transfer of the life from offline to online, caused by the COVID-19 pandemic, remote stress measurement is of high importance. This study investigated the feasibility of estimating participants' stress levels based on remote physiological signal features (rPPG) and behavioral features (facial expression and motion) obtained from facial videos recorded during online video meetings. Remote physiological signal features provided higher accuracy of stress estimation (78.75%) as compared to those based on motion (70.00%) and facial expression (73.75%) features. Moreover, the fusion of behavioral and remote physiological signal features increased the accuracy of stress estimation up to 82.50%. © 2022 Owner/Author.

关键词： Physiology

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"I Feel It Like I Actually Feel It": How HCI Can Support the Experiences of Synaesthesia

"I Feel It Like I Actually Feel It": How HCI Can Support the...

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2025 CHI Conference on Human Factors in computing systems, CHI EA 2025

作者： Watanabe, Mamoru Metatla, Oussama Tanaka, Atau University of Bristol Bristol United Kingdom

ISBN: (纸本)9798400713958

Synaesthesia is a cross-sensory phenomenon where the stimulation of one sense involuntarily triggers another sensory percept. Previous research in HCI often engaged with synaesthesia in conceptual or metaphorical terms, overlooking the experiences of synaesthetes themselves. We sought to understand the experiences of synaesthesia as a means to inform cross-sensory interaction design. We interviewed 12 synaesthetes and analysed their experiences using Interpretative Phenomenological analysis (IPA). We found that synaesthetes often struggled to articulate their experiences due to limited sensory vocabulary, time requirements, and a lack of understanding from others. Our findings contribute to an understanding of synaesthesia that embraces its diversity in all forms and moves beyond the immediate perceptual experiences of synaesthesia and toward a more holistic reflection of such experiences as they are embedded in self-reflection, community and environments;and how the insights derived from this preliminary research can guide interaction designers in creating more inclusive technology to support individuals with synaesthesia. © 2025 Copyright held by the owner/author(s).

关键词： Cross-sensory Interaction Interpretative Phenomenological analysis Synaesthesia

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Where did my 256 GB go? A measurement analysis of Storage Consumption on Smart Mobile Devices

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proceedings of the acm on measurement and analysis of computing systems 2021年第2期5卷 1–28页

作者： Bijlani, Ashish Ramachandran, Umakishore Campbell, Roy Georgia Inst Technol 266 Ferst Dr Atlanta GA 30313 USA Univ Illinois 201 North Goodwin Ave Urbana IL 61801 USA

This work presents the first-ever detailed and large-scale measurement analysis of storage consumption behavior of applications (apps) on smart mobile devices. We start by carrying out a five-year longitudinal static analysis of millions of Android apps to study the increase in their sizes over time and identify various sources of app storage consumption. Our study reveals that mobile apps have evolved as large monolithic packages that are packed with features to monetize/engage users and optimized for performance at the cost of redundant storage consumption. We also carry out a mobile storage usage study with 140 Android participants. We built and deployed a lightweight context-aware storage tracing tool, called COSMOS1, on each participant's device. Leveraging the traces from our user study, we show that only a small fraction of apps/features are actively used and usage is correlated to user context. Our findings suggest a high degree of app feature bloat and unused functionality, which leads to inefficient use of storage. Furthermore, we found that apps are not constrained by storage quota limits, and developers freely abuse persistent storage by frequently caching data, creating debug logs, user analytics, and downloading advertisements as needed. Finally, drawing upon our findings, we discuss the need for efficient mobile storage management, and propose an elastic storage design to reclaim storage space when unused. We further identify research challenges and quantify expected storage savings from such a design. We believe our findings will be valuable to the storage research community as well as mobile app developers.

关键词： storage management mobile smartphones

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proceedings of RESDIS 2022: 2nd International Workshop on Resource Disaggregation in High-Performance computing, Held in conjunction with SC 2022: The International Conference for High Performance computing, Networking, Storage and analysis

Proceedings of RESDIS 2022: 2nd International Workshop on Re...

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2nd IEEE/acm International Workshop on Resource Disaggregation in High-Performance computing, RESDIS 2022

The proceedings contain 1 paper. The topic discussed include: methodology for evaluating the potential of disaggregated memory systems.

ISBN: (纸本)9781665488891

The proceedings contain 1 paper. The topic discussed include: methodology for evaluating the potential of disaggregated memory systems.

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A Study of the Impact of Callbacks in Staged Static+Dynamic Partial analysis 26

A Study of the Impact of Callbacks in Staged Static+Dynamic ...

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2022 acm SIGPLAN International Conference on systems, Programming, Languages, and Applications: Software for Humanity, SPLASH Companion 2022

作者： Anand, Aditya Indian Institute of Technology Mandi Himachal Pradesh Mandi India

ISBN: (纸本)9781450399012

Partial analysis is a program analysis technique used in compilation systems when the whole program is not available. Many recent promising approaches perform partial analysis statically that involves identifying the interprocedural dependencies across program elements. These generated dependencies further get evaluated during runtime while generating the final analysis result. However, as the application and library methods are analyzed independently during static analysis, these approaches do not account for the effect of dynamic features such as callbacks. Consequently, in such scenarios, the runtime (say the Java Virtual Machine) needs to discard the static-analysis results and use the existing imprecise builtin analyses. The primary goal of this work is to find out the percentage of objects and methods that may get affected by callbacks, and to propose possible techniques to enhance the generation of dependencies in their presence. © 2022 Association for computing Machinery.

关键词： Static analysis

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A Blind Digital Watermarking Approach Using Palmprint-Embedded Local Binary Patterns and Arnold Cat Map Transformations 6

A Blind Digital Watermarking Approach Using Palmprint-Embedd...

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6th International Conference on Pattern analysis and Intelligent systems, PAIS 2024

作者： Ferik, Brahim Laimeche, Lakhdar Meraoumia, Abdallah Laouid, Abdelkader Chait, Khaled Alshaikh, Muath Tebessa Algeria El Oued Algeria Saudi Electronic University College of Computing And Informatics Department of Computer Science Saudi Arabia

ISBN: (纸本)9798350350265

The rapidly evolving healthcare domain and the rise of telemedicine and remote diagnostic techniques underscore the critical demand for secure, authentic, and reliable medical imaging solutions. This study introduces an innovative digital watermarking method designed to safeguard medical images against unauthorized alterations, employing biometric data - specifically, palmprints - as the watermark. Utilizing Local Binary Patterns (LBP) for feature extraction and combining Arnold Cat Map (acm) with Discrete Cosine Transform (DCT) for image processing, this research implements a novel embedding strategy based on a 2 Least Significant Bits (2LSB) mechanism, facilitating a blind watermarking approach. The efficacy of the proposed method is validated through exceptional Peak Signal-to-Noise Ratio (PSNR) and Structural Similarity Index (SSIM) metrics, achieving values of 51.21675 dB and 0.9999, respectively. These metrics provide substantial evidence of the technique's imperceptibility and robustness, employing state-of-the-art methodologies. The findings of this paper offer a compelling solution for enhancing the security of medical imagery within the telemedicine sector, promoting data integrity and supporting the verification and authentication processes. © 2024 IEEE.

关键词： Local binary pattern

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Bushwhacking Through Expectations: A Critical analysis of Body Inclusivity in the Hiking App AllTrails

Bushwhacking Through Expectations: A Critical Analysis of Bo...

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2025 CHI Conference on Human Factors in computing systems, CHI EA 2025

作者： Seetharaman, Bhavani Jonas, Rebecca M. Kshirsagar, Anusha Atul Ringland, Kathryn E. Su, Norman Makoto Department of Computational Media University of California Santa Cruz Santa Cruz CA United States University of California Santa Cruz Santa Cruz CA United States

ISBN: (纸本)9798400713958

Technology for outdoor recreation, like the hiking app AllTrails, can improve access and safety for hikers. However, these tools can also negatively impact hikers on the trail, for example, by distracting them from experiencing nature. Using the walkthrough method, we critically evaluate the hiking app AllTrails to uncover implicit values underlying the app’s design and features, using a body-inclusive lens inspired by the community group Fat Girls Hiking. We found that AllTrails subtly nudges users towards a more fitness-oriented approach to hiking. This orientation may negatively impact novice hikers and those who are already marginalized in the hiking industry and we suggest alternative designs that could promote greater inclusivity. © 2025 Copyright held by the owner/author(s).

关键词： Hiking Mobile Applications Outdoor computing Outdoor Recreation

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Understanding Information Managers: A Thematic analysis of Information Challenges of Disability Service Providers 24

Understanding Information Managers: A Thematic Analysis of I...

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27th acm Conference on Computer-Supported Cooperative Work and Social computing, CSCW Companion 2024

作者： Abubakr, Latifah Shrivastava, Tulsi Whitman, Samantha A. Pine, Kathleen H. Lee, Myeong George Mason University FairfaxVA United States Arizona State University TempeAZ United States Arizona State University Los AngelesCA United States

ISBN: (纸本)9798400711145

This paper details an investigation into the information management challenges encountered by disability service providers. Prior research has mainly focused on understanding the information management challenges related to user records or internal organizational systems. However, this study posits that the information access patterns of disability services users are significantly influenced by their interactions with service providers' information management practices in localized settings. To explore the challenges associated with accessing disability services information, we interviewed 20 employees from local agencies in Virginia involved in managing disability services and related information. Qualitative analysis revealed four themes related to such information challenges: quality of information, rural access, jurisdictional boundaries, and overwork/emotional work for information providers who are supporting those in need of disabilities services. These findings serve as a foundational step towards a more comprehensive understanding of how organizational information sharing practices and information access for people with disabilities are shaped within both organizations and a wider community context. © 2024 Owner/Author.

关键词： disability service information

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A Musical Tension and Release Framework for Sonic Interaction Designers

A Musical Tension and Release Framework for Sonic Interactio...

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2025 CHI Conference on Human Factors in computing systems, CHI EA 2025

作者： Choi, Minsik Andres, Josh Hunter, Alexander Martin, Charles Patrick School of Computing Australian National University Canberra Australia School of Cybernetics Australian National University Canberra Australia School of Music Australian National University Canberra Australia

ISBN: (纸本)9798400713958

Sonic interaction designs can be enhanced by considering the music cognitive processes of tension and release. However, existing design models for applying these principles lack accessibility for practitioners, and practical guidelines remain underdeveloped. We propose a practitioner-oriented framework for designing sonic interactions that foregrounds music cognition concepts. Our framework connects music cognition and interaction design by aligning methods for functional harmony with workflow analysis. We articulate a cohesive three-step strategy, extendable for advanced practitioners, and explore opportunities for generative AI to support the design process. Our design framework links theoretical foundations in functional harmony and workflow with practical applications, aiming to accessibly create sonic interactions that effectively communicate with users. This work contributes design guidelines for practitioners, promoting the broader adoption of musical tension and release, and setting the stage for future empirical research. © 2025 Copyright held by the owner/author(s).

关键词： Framework GenAI Sonic Interaction Design Tonal Cognition

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Dr. Docker: A Large-Scale Security measurement of Docker Image Ecosystem 25

Dr. Docker: A Large-Scale Security Measurement of Docker Ima...

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34th acm Web Conference, WWW 2025

作者： Shi, Hequan Ying, Lingyun Chen, Libo Duan, Haixin Liu, Ming Xue, Zhi School of Electronic Information and Electrical Engineering Shanghai Jiao Tong University Shanghai China QI-ANXIN Technology Research Institute Beijing China Tsinghua University Beijing China

ISBN: (纸本)9798400712746

Docker has transformed modern software development, enabling the widespread reuse of containerized applications. Currently, Docker images are primarily distributed through centralized registries, among which Docker Hub is the largest, allowing developers to share and reuse images easily. The threats within these images also spread through the supply chain via dependency relationships, posing risks to anyone using the image and all images built based on it. However, it is unclear to what extent the threats within Docker images are distributed and propagated. In this paper, we investigate five potential security risks in Docker images and propose a security analysis framework DITector based on these security issues. We then utilize DITector to conduct a large-scale security measurement of the Docker image ecosystem. We collect descriptions of over 12 million image repositories from Docker Hub, construct an image dependency graph based on the layer information of the images, and select two sets of influential images based on their pull counts and dependency weight, totaling 33,952 images. Our findings are alarming: 93.7% of analyzed images contain known vulnerabilities, 4,437 images have secret leaks, 50 images contain misconfigurations and 24 malicious images. Furthermore, we identify 334 downstream images affected by malicious images and uncover patterns of attack propagation within the supply chain. We have discussed the measures to mitigate these issues, reported our findings to the relevant parties, and received positive responses. © 2025 Copyright held by the owner/author(s).

关键词： Computer viruses

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