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- research-articleOctober 2024
SHOWMe: Robust object-agnostic hand-object 3D reconstruction from RGB video
- Anilkumar Swamy,
- Vincent Leroy,
- Philippe Weinzaepfel,
- Fabien Baradel,
- Salma Galaaoui,
- Romain Brégier,
- Matthieu Armando,
- Jean-Sebastien Franco,
- Grégory Rogez
Computer Vision and Image Understanding (CVIU), Volume 247, Issue Chttps://doi.org/10.1016/j.cviu.2024.104073AbstractIn this paper, we tackle the problem of detailed hand-object 3D reconstruction from monocular video with unknown objects, for applications where the required accuracy and level of detail is important, e.g. object hand-over in human–robot ...
Highlights- Object-agnostic hand-object 3D reconstruction from monocular hand-object motion video
- Robust rigid-transformation estimation network that leverages large pre-trained model
- Two-stage pipeline for 3D hand-object reconsruction
- New ...
- ArticleNovember 2024
Grounding Image Matching in 3D with MASt3R
AbstractImage Matching is a core component of all best-performing algorithms and pipelines in 3D vision. Yet despite matching being fundamentally a 3D problem, intrinsically linked to camera pose and scene geometry, it is typically treated as a 2D ...
- research-articleDecember 2023
4DHumanOutfit: A multi-subject 4D dataset of human motion sequences in varying outfits exhibiting large displacements
- Matthieu Armando,
- Laurence Boissieux,
- Edmond Boyer,
- Jean-Sébastien Franco,
- Martin Humenberger,
- Christophe Legras,
- Vincent Leroy,
- Mathieu Marsot,
- Julien Pansiot,
- Sergi Pujades,
- Rim Rekik,
- Grégory Rogez,
- Anilkumar Swamy,
- Stefanie Wuhrer
Computer Vision and Image Understanding (CVIU), Volume 237, Issue Chttps://doi.org/10.1016/j.cviu.2023.103836AbstractWe present a new dataset of densely sampled spatio-temporal 4D human motion data of different actors, outfits and motions. The dataset contains different actors wearing different outfits while performing different motions in each outfit. It ...
Highlights- 4DHumanOutfit, datacube of dynamic 4D human motion of 20 actors in 7 outfits each, performing 11 motions per outfit.
- A subset of 18 actors in 6 outfits and 10 motions released for research purposes.
- Evaluation protocols and ...
- research-articleNovember 2022
CroCo: self-supervised pre-training for 3D vision tasks by cross-view completion
- Philippe Weinzaepfel,
- Vincent Leroy,
- Thomas Lucas,
- Romain Brégier,
- Yohann Cabon,
- Vaibhav Arora,
- Leonid Antsfeld,
- Boris Chidlovskii,
- Gabriela Csurka,
- Jérôme Revaud
NIPS '22: Proceedings of the 36th International Conference on Neural Information Processing SystemsArticle No.: 253, Pages 3502–3516Masked Image Modeling (MIM) has recently been established as a potent pre- training paradigm. A pretext task is constructed by masking patches in an input image, and this masked content is then predicted by a neural network using visible patches as sole ...
- research-articleFebruary 2021
Volume Sweeping: Learning Photoconsistency for Multi-View Shape Reconstruction
International Journal of Computer Vision (IJCV), Volume 129, Issue 2Pages 284–299https://doi.org/10.1007/s11263-020-01377-0AbstractWe propose a full study and methodology for multi-view stereo reconstruction with performance capture data. Multi-view 3D reconstruction has largely been studied with general, high resolution and high texture content inputs, where classic low-...
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- ArticleAugust 2020
DOPE: Distillation of Part Experts for Whole-Body 3D Pose Estimation in the Wild
AbstractWe introduce DOPE, the first method to detect and estimate whole-body 3D human poses, including bodies, hands and faces, in the wild. Achieving this level of details is key for a number of applications that require understanding the interactions ...
- research-articleMay 2019
Visual debugging of behavioural models
ICSE '19: Proceedings of the 41st International Conference on Software Engineering: Companion ProceedingsPages 107–110https://doi.org/10.1109/ICSE-Companion.2019.00050In this paper, we present the CLEAR visualizer tool, which supports the debugging task of behavioural models being analyzed using model checking techniques. The tool provides visualization techniques for simplifying the comprehension of counterexamples ...
- ArticleApril 2019
Debugging of Behavioural Models with CLEAR
Tools and Algorithms for the Construction and Analysis of SystemsPages 386–392https://doi.org/10.1007/978-3-030-17462-0_26AbstractThis paper presents a tool for debugging behavioural models being analysed using model checking techniques. It consists of three parts: (i) one for annotating a behavioural model given a temporal formula, (ii) one for visualizing the erroneous ...
- ArticleSeptember 2018
Shape Reconstruction Using Volume Sweeping and Learned Photoconsistency
AbstractThe rise of virtual and augmented reality fuels an increased need for content suitable to these new technologies including 3D contents obtained from real scenes. We consider in this paper the problem of 3D shape reconstruction from multi-view RGB ...
- research-articleNovember 2017
Deployment strategies for crowdsourcing text creation
Highlights- Deployment strategies for text creation tasks were proposed.
- Strategies were ...
Automatically generating text of high quality in tasks such as translation, summarization, and narrative writing is difficult as these tasks require creativity, which only humans currently exhibit. However, crowdsourcing such tasks is ...
- research-articleMay 2017
Efficient and Versatile FPGA Acceleration of Support Counting for Stream Mining of Sequences and Frequent Itemsets
ACM Transactions on Reconfigurable Technology and Systems (TRETS), Volume 10, Issue 3Article No.: 21, Pages 1–25https://doi.org/10.1145/3027485Stream processing has become extremely popular for analyzing huge volumes of data for a variety of applications, including IoT, social networks, retail, and software logs analysis. Streams of data are produced continuously and are mined to extract ...
- research-articleMarch 2017
TopPI
In this paper, we introduce item-centric mining, a new semantics for mining long-tailed datasets. Our algorithm, TopPI, finds for each item its top-k most frequent closed itemsets. While most mining algorithms focus on the globally most frequent ...
- research-articleNovember 2016
Locality-Aware Routing in Stateful Streaming Applications
Middleware '16: Proceedings of the 17th International Middleware ConferenceArticle No.: 4, Pages 1–13https://doi.org/10.1145/2988336.2988340Distributed stream processing engines continuously execute series of operators on data streams. Horizontal scaling is achieved by deploying multiple instances of each operator in order to process data tuples in parallel. As the application is ...
- research-articleJune 2016
Distributed Evaluation of Top-k Temporal Joins
SIGMOD '16: Proceedings of the 2016 International Conference on Management of DataPages 1027–1039https://doi.org/10.1145/2882903.2882912We study a particular kind of join, coined Ranked Temporal Join (RTJ), featuring predicates that compare time intervals and a scoring function associated with each predicate to quantify how well it is satisfied. RTJ queries are prevalent in a variety of ...
- research-articleOctober 2015
Building Representative Composite Items
CIKM '15: Proceedings of the 24th ACM International on Conference on Information and Knowledge ManagementPages 1421–1430https://doi.org/10.1145/2806416.2806465The problem of summarizing a large collection of homogeneous items has been addressed extensively in particular in the case of geo-tagged datasets (e.g. Flickr photos and tags). In our work, we study the problem of summarizing large collections of ...
- research-articleOctober 2015
Data mining approach to temporal debugging of embedded streaming applications
One of the greatest challenges in the embedded systems area is to empower software developers with tools that speed up the debugging of QoS properties in applications. Typical streaming applications, such as multimedia (audio/video) decoding, fulfill ...
- articleApril 2013
Piggybacking on social networks
Proceedings of the VLDB Endowment (PVLDB), Volume 6, Issue 6Pages 409–420https://doi.org/10.14778/2536336.2536342The popularity of social-networking sites has increased rapidly over the last decade. A basic functionalities of social-networking sites is to present users with streams of events shared by their friends. At a systems level, materialized per-user views ...
- research-articleAugust 2012
Reactive index replication for distributed search engines
SIGIR '12: Proceedings of the 35th international ACM SIGIR conference on Research and development in information retrievalPages 831–840https://doi.org/10.1145/2348283.2348394Distributed search engines comprise multiple sites deployed across geographically distant regions, each site being specialized to serve the queries of local users. When a search site cannot accurately compute the results of a query, it must forward the ...
- research-articleApril 2012
Social piggybacking: leveraging common friends to generate event streams
SNS '12: Proceedings of the Fifth Workshop on Social Network SystemsArticle No.: 8, Pages 1–6https://doi.org/10.1145/2181176.2181184Social networking systems present users with online event streams that include recent activities of their friends. Materialized per-user views are a common way to generate such event streams on-line and with low latency. We propose improving throughput ...
- research-articleApril 2012
Shepherding social feed generation with Sheep
SNS '12: Proceedings of the Fifth Workshop on Social Network SystemsArticle No.: 7, Pages 1–6https://doi.org/10.1145/2181176.2181183Social feeds are used in many popular Web applications. They let users produce events, as well as read feeds containing the events generated by their friends. This paper investigates the design of an in-memory platform to manage social feeds. We show ...