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Displaying 1-21 out of 21 total
Edge-motion video summarization: Economical video summarization for low powered devices
Found in: Image Analysis for Multimedia Interactive Services, International Workshop on
By Vasileios Anagnastopoulos, Nikolaos Doulamis, Anastasios Doulamis
Issue Date:May 2009
pp. 284-287
In this paper we propose a new dynamic video summarization procedure. For this purpose, we find an economical image representation in terms of edge-like features that facilitates video re-sampling with minimal loss of information. We propose a fast noise t...
 
FUZZY HISTOGRAMS FOR EFFICIENT VISUAL CONTENT REPRESENTATION: APPLICATION TO CONTENT-BASED IMAGE RETRIEVAL
Found in: Multimedia and Expo, IEEE International Conference on
By Anastasios Doulamis, Nikolaos Doulamis
Issue Date:August 2001
pp. 227
The efficiency of a content-based image retrieval (CBIR) system depends on the efficiency of the image visual content representation Usually, the extracted descriptors are organized in a binary framework, which, apart from the fact that it is sensitive to ...
 
EFFICIENT VIDEO TRANSMISSION OVER INTERNET BASED ON A HIERARCHICAL VIDEO SUMMARIZATION SCHEME
Found in: Multimedia and Expo, IEEE International Conference on
By Nikolaos Doulamis, Anastasios Doulamis
Issue Date:August 2001
pp. 195
In this paper, an interactive framework for navigating video sequences over Internet Protocol (IP)-based networks is presented using an optimal content-based video decomposition scheme. In particular, each video sequence is analyzed at different
 
Efficient Content-Based Retrieval of Humans from Video Databases
Found in: Recognition, Analysis, & Tracking of Faces & Gestures in Real -Time Systems, IEEE ICCV Workshop on
By Nikolaos Doulamis, Anastasios Doulamis, Stefanos Kollias
Issue Date:September 1999
pp. 89
An efficient algorithm for humans' retrieval from large video databases is presented in this paper. Such an extraction is very useful for a variety of applications, including video surveillance for security purposes and systems of speaker identification. A...
 
Unsupervised Semantic Object Segmentation of Stereoscopic Video Sequences
Found in: Information, Intelligence, and Systems, International Conference on
By Anastasios Doulamis, Nikolaos Doulamis, Klimis Ntalianis, Stefanos Kollias
Issue Date:April 1999
pp. 527
In this paper, we present an efficient technique for unsupervised semantically meaningful object segmentation of stereoscopic video sequences. By this technique we achieve to extract semantic objects using the additional information a stereoscopic pair of ...
 
A Multiresolution Model of Iterative Regularized Image Restoration
Found in: Information, Intelligence, and Systems, International Conference on
By Ioannis Stephanakis, Anastasios Doulamis, Nikolaos Doulamis, Nicolas Tsapatsoulis
Issue Date:April 1999
pp. 512
A model of iterative regularized restoration of images based upon wavelet filter banks is proposed in this paper. Regularized restoration is a method of solving ill-posed image restoration problems. Wavelet filter-banks designed upon arbitrarily sampling l...
 
Welcome message from the SCUCA 2013 chairs
Found in: 2013 IEEE 14th International Symposium on
By Anastasios Doulamis,Lambros Lambrinos
Issue Date:June 2013
pp. iii-iv
It is our great pleasure to welcome all of you to the 1 st IEEE International Workshop on Smart City and Ubiquitous Computing Applications - IEEE SCUCA 2013 held in conjunction with the IEEE International Symposium on a World of Wireless Mobile and Multime...
   
Biopolis, Long Term Preservation of Digital User Content
Found in: 2013 IEEE 10th International Conference on e-Business Engineering (ICEBE)
By Emmanuel Sardis,Vasileios Anagnostopoulos,Anastasios Doulamis,Theodora Varvarigou
Issue Date:September 2013
pp. 478-483
The Biopolis takes a radical approach to the long term preservation of digital user content. The system will allow Biopolis enriched User Content to be distributed and redistributed through a network of commercial and non-commercial file (Preservation Serv...
 
Safe urban growth: An integrated ICT solution for unstandardized and distributed information handling
Found in: 2013 IEEE 14th International Symposium on
By Yiannis Agadakos,Konstantinos Makantasis,Panagiotis Partsinevelos,Georgios Papadakis,Anastasios Doulamis
Issue Date:June 2013
pp. 1-6
In 2007, our planet became predominantly urban as for the first time, more than half of the world's population was living in cities. This tendency for urbanization is characterized by urban sprawl phenomena and excessive environmental pollution degrading c...
   
A Threefold Dataset for Activity and Workflow Recognition in Complex Industrial Environments
Found in: IEEE Multimedia
By Athanasios Voulodimos,Dimitrios Kosmopoulos,Georgios Vasileiou,Emmanuel Sardis,Vasileios Anagnostopoulos,Constantinos Lalos,Anastasios Doulamis,Theodora Varvarigou
Issue Date:July 2012
pp. 42-52
Unlike any previous effort, the Workflow Recognition (WR) large-scale dataset is a collection of video sequences from the real industrial manufacturing environment of a major automobile manufacturer.
 
Interactive Social TV on Service Oriented Environments: Challenges and Enablers
Found in: Games and Virtual Worlds for Serious Applications, Conference in
By Dimosthenis Kyriazis, George Kousiouris, Andreas Menychtas, Anastasios Doulamis, Theodora Varvarigou
Issue Date:May 2011
pp. 152-155
Future Internet Applications require the on-demand provision of ICT assets with regard to data, services and process technologies. What is missing from today's service platforms to realize this vision refers to the way services are perceived to work and as...
 
Equivalent Key Frames Selection Based on Iso-Content Distance and Iso-Distortion Principles
Found in: Image Analysis for Multimedia Interactive Services, International Workshop on
By Costas Panagiotakis, Anastasios Doulamis, Georgios Tziritas
Issue Date:June 2007
pp. 29
We present a key frames selection algorithm, which is very flexible on any changes of content descriptors, based on Iso-Content Distance and Iso-Distortion principles. In both of the cases, the equality principle provides to the selected key frames the pro...
 
4th ACM/IEEE ARTEMIS 2013 international workshop on analysis and retrieval of tracked events and motion in imagery streams
Found in: Proceedings of the 21st ACM international conference on Multimedia (MM '13)
By Marco Bertini, Anastasios Doulamis, Jordi Gonzalez, Nikolaos Doulamis, Thomas Moeslund
Issue Date:October 2013
pp. 1083-1084
In this paper, we give a short summary of the papers proposed in ACMARTEMIS 2013 which is held in Barcelona Spain in conjunction with ACM Multimedia. The workshop handles the areas of features analysis both at low and high level for efficient events detect...
     
A non-parametric unsupervised approach for content based image retrieval and clustering
Found in: Proceedings of the 4th ACM/IEEE international workshop on Analysis and retrieval of tracked events and motion in imagery stream (ARTEMIS '13)
By Anastasios Doulamis, Konstantinos Makantasis, Nikolaos Doulamis
Issue Date:October 2013
pp. 33-40
Nowadays, there are available extremely large collections of images located on distributed and heterogeneous platforms over the web. The proliferation of billions of shared photos has outpaced the current technology for browsing such collections, but at th...
     
Human action analysis, annotation and modeling in video streams based on implicit user interaction
Found in: Proceeding of the 1st ACM workshop on Analysis and retrieval of events/actions and workflows in video streams (AREA '08)
By Anastasios Doulamis, Klimis Ntalianis, Nicolas Tsapatsoulis, Nikolaos Doulamis
Issue Date:October 2008
pp. 69-76
This paper proposes an integrated framework for analyzing human actions in video streams. Despite most current approaches that are just based on automatic spatiotemporal analysis of sequences, the proposed method introduces the implicit user-in-the-loop co...
     
First ACM international workshop on analysis and retrieval of events, actions and workflows in video streams
Found in: Proceeding of the 16th ACM international conference on Multimedia (MM '08)
By Anastasios Doulamis, Luc van Gool, Mark Nixon, Nikolaos Doulamis, Theodora Varvarigou
Issue Date:October 2008
pp. 40-42
AREA 2008 is the first ACM international workshop on analysis and retrieval of events, actions and workflows in video streams. Such research is nowadays critical for many real-life applications, such as area supervision, semantic characterization and annot...
     
Implicit visual concept modeling in image / video annotation
Found in: Proceedings of the first ACM international workshop on Analysis and retrieval of tracked events and motion in imagery streams (ARTEMIS '10)
By Anastasios Doulamis, Klimis Ntalianis, Nicolas Tsapatsoulis
Issue Date:October 2010
pp. 33-38
In this paper a novel approach for automatically annotating image databases is proposed. Despite most current approaches that are just based on spatial content analysis, the proposed method properly combines implicit feedback information and visual concept...
     
An industrial video surveillance system for quality assurance of a manufactory assembly
Found in: Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments (PETRA '10)
By Anastasios Doulamis, Athanasios Voulodimos, Constantinos Lalos, Dimitrios Kosmopoulos, Emmanouel Sardis, Vasilios Anagnostopoulos
Issue Date:June 2010
pp. 1-2
In this paper, we present the research achievements of a computer vision system that surveys the behavior of workers in an industrial environment. The proposed system applies weakly supervised learning algorithms able to detect objects, then to extract the...
     
Dynamic background modeling for a safe road design
Found in: Proceedings of the 3rd International Conference on PErvasive Technologies Related to Assistive Environments (PETRA '10)
By Anastasios Doulamis
Issue Date:June 2010
pp. 1-8
In this paper we propose a new dynamic algorithm able to automatically identify the background from images under severe changes of the environmental conditions. The algorithm exploits motion estimation techniques and background subtraction methods. The pro...
     
An architecture for a self configurable video supervision
Found in: Proceeding of the 1st ACM workshop on Analysis and retrieval of events/actions and workflows in video streams (AREA '08)
By Anastasios Doulamis, Dimitrios Kosmopoulos, Manolis Sardis, Theodora Varvarigou
Issue Date:October 2008
pp. 69-76
In this paper, we propose a self configurable cognitive architecture for supervising video data in manufacturing environments. The architecture supports weakly supervised learning algorithms and self-adaptation strategies for analysis of visually observabl...
     
A content-based image retrieval scheme allowing for robust automatic personalization
Found in: Proceedings of the 6th ACM international conference on Image and video retrieval (CIVR '07)
By Anastasios Doulamis, Sotirios Chatzis, Theodora Varvarigou
Issue Date:July 2007
pp. 1-8
The retrieval performance of content-based image retrieval (CBIR) systems is often disappointingly low, mainly due to the subjectivity of human perception. Relevance feedback (RF) has been widely considered as a powerful tool to enhance CBIR systems by inc...
     
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