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Color Contribution to Part-Based Person Detection in Different Types of Scenarios [chapter]

Muhammad Anwer Rao, David Vázquez, Antonio M. López
2011 Lecture Notes in Computer Science  
Camera-based person detection is of paramount interest due to its potential applications.  ...  We also investigate possible differences among types of scenarios: indoor, urban and countryside.  ...  In other words, we want to perform a scenario-based comparison between the OPP and RGB color spaces, when pugged-in for HOG-part-based person detection.  ... 
doi:10.1007/978-3-642-23678-5_55 fatcat:rsawizpy7bet5d7oynlizbublu

Toward understanding the limits of gait recognition

Zongyi Liu, Laura Malave, Adebola Osuntogun, Preksha Sudhakar, Sudeep Sarkar, Anil K. Jain, Nalini K. Ratha
2004 Biometric Technology for Human Identification  
These silhouettes, defined as foreground regions, are usually detected by background subtraction methods, which results in holes or missed parts due to similarity of foreground and background color, and  ...  In this paper, we present a part-level, manual silhouette database consisting of 71 subjects, over one gait cycle, with differences in surface, shoe-type, carrying condition, and time.  ...  Thanks to the gait researchers at CMU, MIT, and Southampton to help correct some of the errors in the manual silhouettes.  ... 
doi:10.1117/12.543107 fatcat:wsv72z4ttnekxinauwbwaqu6ga

Multi-band Hough Forests for detecting humans with Reflective Safety Clothing from mobile machinery

Rafael Mosberger, Bastian Leibe, Henrik Andreasson, Achim J. Lilienthal
2015 2015 IEEE International Conference on Robotics and Automation (ICRA)  
features of the safety garments in the detection process.  ...  We further propose an efficient pipeline for automated generation of training data with high-quality body part annotations that are used in training to increase detector performance.  ...  Individually colored clothing further allows to extract a pixel-level segmentation into different body parts.  ... 
doi:10.1109/icra.2015.7139255 dblp:conf/icra/MosbergerLAL15 fatcat:m3om7z5frzadpcyn2wjbafh6dy

BEHAVE — Behavioral Analysis of Visual Events for Assisted Living Scenarios

Jonas Vlasselaer, Carlos Fernando Crispim-Junior, Francois Bremond, Anton Dries
2017 2017 IEEE International Conference on Computer Vision Workshops (ICCVW)  
The proposed pipeline firstly detects the set of people in a video frame, then it searches for correspondences between people in the current and previous frames (i.e., people tracking).  ...  They also enable one to assess the probability of an event given noisy observations of the real world.  ...  Color-based approaches have been extensively studied in the past years with the advent of more robust people detection algorithms, like, Poselets [5] , Deformable Part Models [16] , and most recently  ... 
doi:10.1109/iccvw.2017.160 dblp:conf/iccvw/VlasselaerJBD17 fatcat:2zdygmrq7vat3cwzy4zih7xqxi

Attribute-based people search in surveillance environments

Daniel A. Vaquero, Rogerio S. Feris, Duan Tran, Lisa Brown, Arun Hampapur, Matthew Turk
2009 2009 Workshop on Applications of Computer Vision (WACV)  
the problem in a different way: we search for people based on a parsing of human parts and their attributes, including facial hair, eyewear, clothing color, etc.  ...  We are not aware of any similar surveillance system capable of automatically finding people in video based on their fine-grained body parts and attributes.  ...  Acknowledgments This work was supported in part by the National Science Foundation under award number IIS-0535293.  ... 
doi:10.1109/wacv.2009.5403131 dblp:conf/wacv/VaqueroFTBHT09 fatcat:g75llxaltngzzoi3ch5uxtzft4

ViCoMo: visual context modeling for scene understanding in video surveillance

Ivo M. Creusen, Solmaz Javanbakhti, Marijn J. H. Loomans, Lykele B. Hazelhoff, Nadejda Roubtsova, Svitlana Zinger, Peter H. N. de With
2013 Journal of Electronic Imaging (JEI)  
We propose a proof-of-concept system that uses several sources of contextual information to improve scene understanding in surveillance video.  ...  Just detecting people and tracking them does not provide sufficient information to detect situations that require operator attention.  ...  Acknowledgments This work has been performed in the framework of the ITEA2 ViCoMo Project, cofunded by grants from The Netherlands, Finland, France, Spain, and Turkey.  ... 
doi:10.1117/1.jei.22.4.041117 fatcat:r4xrshxhmrcrha6eircgtem4aa

Realistic Interactive Pedestrian Simulation and Visualization for Virtual 3D Environments

N. Brandle, T. Matyus, M. Brunnhuber, G. Hesina, H. Neuschmied, M. Rosner
2009 2009 15th International Conference on Virtual Systems and Multimedia  
We calibrate video information with the 3D model in order to optimize an automatic human detection and tracking algorithm and to obtain real-world trajectories of people in world coordinates of major ground  ...  The simulated pedestrian trajectories are the base for path visualizations and visibility analyses in the virtual environment.  ...  In order to obtain more realistic scenarios, different pedestrian types can be introduced with different operational and tactical parameter sets.  ... 
doi:10.1109/vsmm.2009.33 fatcat:3iofjx4gorhcnoiqt2zzyoy7ba

A Database Model for Querying Visual Surveillance Videos by Integrating Semantic and Low-Level Features [chapter]

Ediz Şaykol, Uğur Güdükbay, Özgür Ulusoy
2005 Lecture Notes in Computer Science  
In this paper, the initial design of the database model, the query types, and the specifications of its query language are presented.  ...  The results of a considerable amount of work dealing with automated access to visual surveillance have appeared in the literature.  ...  Query Types: The main contribution of the querying module in our system is providing support to a wide range of event and object queries.  ... 
doi:10.1007/11551898_15 fatcat:6pq4svtcsncvrb6zkqge3omebm

Color quotient based mask detection

Ioan Buciu
2020 2020 International Symposium on Electronics and Telecommunications (ISETC)  
The paper deals with mask detection in the age of COVID -19, by proposing a simple and efficient method to detect people not wearing mask.  ...  Ratio of color channels is taken into account to discriminate between mask and non mask images.  ...  No such contribution resides in the case of masked faces.  ... 
doi:10.1109/isetc50328.2020.9301079 fatcat:5iccsphfwrgetfltiun3kx42im

Detection and tracking of objects with direct integration of perception and expectation

Kai Jungling, Michael Arens
2009 2009 IEEE 12th International Conference on Computer Vision Workshops, ICCV Workshops  
We present a novel approach to that challenge that integrates tracking and detection in a single process.  ...  One of the main challenges in video-based multi-target tracking is the consistent maintenance of object identities over time.  ...  Different feature types are visualized by different colors. Green: Image features not contributing to any detection. White: Image features contributing to a detection.  ... 
doi:10.1109/iccvw.2009.5457576 dblp:conf/iccvw/JunglingA09 fatcat:rfy6j47sxjeo7jinwv7utd3owa

Evaluation of the Visual Stimuli on Personal Thermal Comfort Perception in Real and Virtual Environments Using Machine Learning Approaches

Francesco Salamone, Alice Bellazzi, Lorenzo Belussi, Gianfranco Damato, Ludovico Danza, Federico Dell'Aquila, Matteo Ghellere, Valentino Megale, Italo Meroni, Walter Vitaletti
2020 Sensors  
to a real scenario in a test cell and the same environment reproduced in Virtual Reality.  ...  to reach the best level of indoor thermal comfort closest to the real needs of users.  ...  The main contribution of the paper regards the possibility of comparing some ML algorithms in in two different scenarios, defining the most important variables to define PTCP.  ... 
doi:10.3390/s20061627 pmid:32183327 fatcat:ih47ajo5dvh6tjrfpkul2oltvu

Robust hand detection in still video images using a combination of salient regions and color cues for interaction with an intelligent environment

T. Plötz, J. Richarz, G. A. Fink
2008 Pattern Recognition and Image Analysis  
In this article, we present an approach to hand detection in the context of an intelligent house using a fusion of structural cues and color information.  ...  By means of an experimental evaluation on a challenging task we demonstrate that, although each of the two different feature types (image structure and color) has drawbacks, their combination yields promising  ...  Examples for the combination of different cues for hand detection are given in [24] (color and motion cues) and [25] (skin color and appearance-based body parts detector). III.  ... 
doi:10.1134/s1054661808030097 fatcat:oozeeicgbnet7m3axaca4qjsva

Shot Classification and Keyframe Detection for Vision Based Speakers Diarization in Parliamentary Debates [chapter]

Pedro A. Marín-Reyes, Javier Lorenzo-Navarro, Modesto Castrillón-Santana, Elena Sánchez-Nielsen
2016 Lecture Notes in Computer Science  
In this paper, we address the speaker diarization problem as a visual speaker re-identification issue with a special emphasis on the analysis of different shot types.  ...  Automatic labelling of speakers is an essential task for speakers diarization in parliamentary debates given the huge amount of video data to annotate.  ...  [10] for parliamentary debate scenarios is not based on clustering the different detected speakers after recording.  ... 
doi:10.1007/978-3-319-44636-3_5 fatcat:rpcypdabrnfudcg5papmae44cm

An approach to multi-modal human–machine interaction for intelligent service robots

Hans-Joachim Böhme, Torsten Wilhelm, Jürgen Key, Carsten Schauer, Christof Schröter, Horst-Michael Groß, Torsten Hempel
2003 Robotics and Autonomous Systems  
Starting from a real application scenario, the usage of a robot as mobile information kiosk in a home store, some reliable methods for vision-based interaction, sound analysis and speech output have been  ...  Operating in un-engineered, cluttered, and crowded environments, such robots have to be able to actively contact potential users in their surroundings and to offer their services in an appropriate manner  ...  A set of skin colored pixels was generated by acquiring images of different people (skin types) under varying lighting conditions (illumination colors).  ... 
doi:10.1016/s0921-8890(03)00012-5 fatcat:czefmsbkozd3hlav4vehuzpdby

Person Retrieval in Surveillance Using Textual Query: A Review [article]

Hiren Galiyawala, Mehul S Raval
2021 arXiv   pre-print
Hence, automatic person retrieval using vision and language-based algorithms is becoming popular. In comparison to other state-of-the-art reviews, the contribution of the paper is as follows: 1.  ...  The comprehensive coverage of person retrieval from handcrafted features based methods to end-to-end approaches based on natural language description.  ...  Acknowledgements The Board of Research in Nuclear Sciences (BRNS), Government of India (36(3)/14/20/2016-BRNS/36020) supports this work.  ... 
arXiv:2105.02414v1 fatcat:ieipv7c255dztmznj4hwy6s7ta
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