Apostol Natsev

Publication Activity (10 Years)

Years Active: 1997-2019
Publications (10 Years): 3

Top Topics

Mahalanobis Metric

Video Annotation

Video Event Detection

Top Venues

IEEE Trans. Multim.

Publications

Seong Jae Hwang, Joonseok Lee, Balakrishnan Varadarajan, Ariel Gordon, Zheng Xu, Apostol Natsev
Large-Scale Training Framework for Video Annotation. KDD (2019)
Joonseok Lee, Apostol Natsev, Walter Reade, Rahul Sukthankar, George Toderici
The 2nd YouTube-8M Large-Scale Video Understanding Challenge. ECCV Workshops (4) (2018)
Joonseok Lee, Sami Abu-El-Haija, Balakrishnan Varadarajan, Apostol Natsev
Collaborative Deep Metric Learning for Video Understanding. KDD (2018)
Balakrishnan Varadarajan, George Toderici, Sudheendra Vijayanarasimhan, Apostol Natsev
Efficient Large Scale Video Classification. CoRR (2015)
Lexing Xie, Apostol Natsev, Xuming He, John R. Kender, Matthew L. Hill, John R. Smith
Tracking Large-Scale Video Remix in Real-World Events. IEEE Trans. Multim. 15 (6) (2013)
Andrea L. Kavanaugh, Edward A. Fox, Steven D. Sheetz, Seungwon Yang, Lin Tzy Li, Donald J. Shoemaker, Apostol Natsev, Lexing Xie
Social media use by government: From the routine to the critical. Gov. Inf. Q. 29 (4) (2012)
Lexing Xie, Apostol Natsev, Xuming He, John R. Kender, Matthew L. Hill, John R. Smith
Tracking Large-Scale Video Remix in Real-World Events CoRR (2012)
Michele Merler, Bert Huang, Lexing Xie, Gang Hua, Apostol Natsev
Semantic Model Vectors for Complex Video Event Recognition. IEEE Trans. Multim. 14 (1) (2012)
Noel C. F. Codella, Apostol Natsev, Gang Hua, Matthew L. Hill, Liangliang Cao, Leiguang Gong, John R. Smith
Video Event Detection Using Temporal Pyramids of Visual Semantics with Kernel Optimization and Model Subspace Boosting. ICME (2012)
Hari Sundaram, Lexing Xie, Munmun De Choudhury, Yu-Ru Lin, Apostol Natsev
Multimedia Semantics: Interactions Between Content and Community. Proc. IEEE 100 (9) (2012)
Liangliang Cao, Yadong Mu, Apostol Natsev, Shih-Fu Chang, Gang Hua, John R. Smith
Scene Aligned Pooling for Complex Video Recognition. ECCV (2) (2012)
Lexing Xie, Apostol Natsev, John R. Kender, Matthew L. Hill, John R. Smith
Visual memes in social media: tracking real-world news in YouTube videos. ACM Multimedia (2011)
Xingzhi Sun, Leiguang Gong, Apostol Natsev, Xiaofei Teng, Li Tian, Tao Wang, Yue Pan
Image modality classification: a late fusion method based on confidence indicator and closeness matrix. ICMR (2011)
Noel C. F. Codella, Gang Hua, Apostol Natsev, John R. Smith
Towards large scale land-cover recognition of satellite images. ICICS (2011)
Lexing Xie, Apostol Natsev, John R. Kender, Matthew L. Hill, John R. Smith
Tracking Visual Memes in Rich-Media Social Communities. ICWSM (2011)
Liangliang Cao, Shih-Fu Chang, Noel Codella, Courtenay V. Cotton, Dan Ellis, Leiguang Gong, Matthew L. Hill, Gang Hua, John R. Kender, Michele Merler, Yadong Mu, Apostol Natsev, John R. Smith
IBM Research and Columbia University TRECVID-2011 Multimedia Event Detection (MED) System. TRECVID (2011)
Matthew L. Hill, Gang Hua, Apostol Natsev, John R. Smith, Lexing Xie, Bert Huang, Michele Merler, Hua Ouyang, Mingyuan Zhou
IBM Research TRECVID-2010 Video Copy Detection and Multimedia Event Detection System. TRECVID (2010)
Lexing Xie, Rong Yan, Jelena Tesic, Apostol Natsev, John R. Smith
Probabilistic visual concept trees. ACM Multimedia (2010)
Lexing Xie, Apostol Natsev, Matthew L. Hill, John R. Smith, Alex Phillips
The accuracy and value of machine-generated image tags: design and user evaluation of an end-to-end image tagging system. CIVR (2010)
Apostol Natsev, Matthew L. Hill, John R. Smith
Design and evaluation of an effective and efficient video copy detection system. ICME (2010)
John R. Kender, Matthew L. Hill, Apostol Natsev, John R. Smith, Lexing Xie
Video genetics: a case study from YouTube. ACM Multimedia (2010)
Apostol Natsev
Multimedia semantics: opportunities and challenges. Multimedia Information Retrieval (2010)
Apostol Natsev, Matthew L. Hill, John R. Smith, Lexing Xie, Rong Yan, Shenghua Bao, Dong Wang, Michele Merler, Yi Zhang
IBM Research TRECVID-2009 Video Retrieval System. TRECVID (2009)
Ana Lucia Varbanescu, Henk J. Sips, Kenneth A. Ross, Qiang Liu, Apostol Natsev, John R. Smith, Lurng-Kuo Liu
Evaluating application mapping scenarios on the Cell/B.E. Concurr. Comput. Pract. Exp. 21 (1) (2009)
Rong Yan, Apostol Natsev, Murray Campbell
Hybrid Tagging and Browsing Approaches for Efficient Manual Image Annotation. IEEE Multim. 16 (2) (2009)
Rong Yan, Marc-Olivier Fleury, Michele Merler, Apostol Natsev, John R. Smith
Large-scale multimedia semantic concept modeling using robust subspace bagging and MapReduce. LS-MMRM@ACM Multimedia (2009)
Apostol Natsev, John R. Smith, Jelena Tesic, Lexing Xie, Rong Yan, Wei Jiang, Michele Merler
IBM Research TRECVID-2008 Video Retrieval System. TRECVID (2008)
Rong Yan, Apostol Natsev, Murray Campbell
A learning-based hybrid tagging and browsing approach for efficient manual image annotation. CVPR (2008)
Alexander Haubold, Apostol Natsev
Web-based information content and its application to concept-based video retrieval. CIVR (2008)
Lyndon S. Kennedy, Shih-Fu Chang, Apostol Natsev
Query-Adaptive Fusion for Multimodal Search. Proc. IEEE 96 (4) (2008)
Rong Yan, Apostol Natsev, Murray Campbell
Multi-query interactive image and video retrieval -: theory and practice. CIVR (2008)
Apostol Natsev, John R. Smith, Jelena Tesic, Lexing Xie, Rong Yan
IBM multimedia analysis and retrieval system. CIVR (2008)
Ana Lucia Varbanescu, Henk J. Sips, Kenneth A. Ross, Qiang Liu, Lurng-Kuo Liu, Apostol Natsev, John R. Smith
An Effective Strategy for Porting C++ Applications on Cell. ICPP (2007)
Apostol Natsev, Alexander Haubold, Jelena Tesic, Lexing Xie, Rong Yan
Semantic concept-based query expansion and re-ranking for multimedia retrieval. ACM Multimedia (2007)
Lexing Xie, Apostol Natsev, Jelena Tesic
Dynamic Multimodal Fusion in Video Search. ICME (2007)
Dhiraj Joshi, Milind R. Naphade, Apostol Natsev
A Greedy Performance Driven Algorithm for Decision Fusion Learning. ICIP (6) (2007)
Dhiraj Joshi, Milind R. Naphade, Apostol Natsev
Semantics reinforcement and fusion learning for multimedia streams. CIVR (2007)
Jelena Tesic, Apostol Natsev, John R. Smith
Cluster-based data modeling for semantic video search. CIVR (2007)
Murray Campbell, Alexander Haubold, Ming Liu, Apostol Natsev, John R. Smith, Jelena Tesic, Lexing Xie, Rong Yan, Jun Yang
IBM Research TRECVID-2007 Video Retrieval System. TRECVID (2007)
Jelena Tesic, Apostol Natsev, Joachim Seidl, John R. Smith
IBM multimodal interactive video threading. CIVR (2007)
Jelena Tesic, Apostol Natsev, Lexing Xie, John R. Smith
Data Modeling Strategies for Imbalanced Learning in Visual Search. ICME (2007)
Lurng-Kuo Liu, Qiang Liu, Apostol Natsev, Kenneth A. Ross, John R. Smith, Ana Lucia Varbanescu
Digital Media Indexing on the Cell Processor. ICME (2007)
Rong Yan, Apostol Natsev, Murray Campbell
An efficient manual image annotation approach based on tagging and browsing. MS (2007)
Apostol Natsev, Jelena Tesic, Lexing Xie, Rong Yan, John R. Smith
IBM multimedia search and retrieval system. CIVR (2007)
Apostol Natsev
Multimodal Search for Effective Video Retrieval. CIVR (2006)
Alexander Haubold, Apostol Natsev, Milind R. Naphade
Semantic Multimedia Retrieval using Lexical Query Expansion and Model-Based Reranking. ICME (2006)
Murray Campbell, Alexander Haubold, Shahram Ebadollahi, Dhiraj Joshi, Milind R. Naphade, Apostol Natsev, Joachim Seidl, John R. Smith, Katya Scheinberg, Jelena Tesic, Lexing Xie
IBM Research TRECVID-2006 Video Retrieval System. TRECVID (2006)
Timo Volkmer, Apostol Natsev
Exploring Automatic Query Refinement for Text-Based Video Retrieval. ICME (2006)
Michael G. Christel, Milind R. Naphade, Apostol Natsev, Jelena Tesic
Assessing the Filtering and Browsing Utility of Automatic Semantic Concepts for Multimedia Retrieval. CVPR Workshops (2006)
Lyndon S. Kennedy, Apostol Natsev, Shih-Fu Chang
Automatic discovery of query-class-dependent models for multimodal search. ACM Multimedia (2005)
John R. Smith, Milind R. Naphade, Apostol Natsev, Jelena Tesic
Multimedia Research Challenges for Industry. CIVR (2005)
Timo Volkmer, John R. Smith, Apostol Natsev
A web-based system for collaborative annotation of large image and video collections: an evaluation and user study. ACM Multimedia (2005)
Apostol Natsev, Milind R. Naphade, Jelena Tesic
Learning the semantics of multimedia queries and concepts from a small number of examples. ACM Multimedia (2005)
Arnon Amir, Janne Argillander, Murray Campbell, Alexander Haubold, Giridharan Iyengar, Shahram Ebadollahi, Feng Kang, Milind R. Naphade, Apostol Natsev, John R. Smith, Jelena Tesic, Timo Volkmer
IBM Research TRECVID-2005 Video Retrieval System. TRECVID (2005)
Arnon Amir, Giridharan Iyengar, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, Chalapathy Neti, Harriet J. Nock, John R. Smith, Belle L. Tseng
Multimodal video search techniques: late fusion of speech-based retrieval and visual content-based retrieval. ICASSP (3) (2004)
John R. Smith, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, Belle L. Tseng
Validity-weighted model vector-based retrieval of video. Storage and Retrieval Methods and Applications for Multimedia (2004)
Milind R. Naphade, Apostol Natsev, Ching-Yung Lin, John R. Smith
Multi-granular detection of regional semantic concepts. ICME (2004)
Ching-Yung Lin, Apostol Natsev, Belle L. Tseng, Matthew L. Hill, John R. Smith, Chung-Sheng Li
Content transcoding middleware for pervasive geospatial intelligence access. ICME (2004)
Apostol Natsev, Milind R. Naphade, John R. Smith
Over-complete representation and fusion for semantic concept detection. ICIP (2004)
Apostol Natsev, Milind R. Naphade, John R. Smith
Semantic representation: search and mining of multimedia content. KDD (2004)
Arnon Amir, Janne Argillander, Marco Berg, Shih-Fu Chang, Martin Franz, Winston H. Hsu, Giridharan Iyengar, John R. Kender, Lyndon S. Kennedy, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, John R. Smith, Jelena Tesic, Gang Wu, Rong Yan, Donqing Zhang
IBM Research TRECVID 2004 Video Retrieval System. TRECVID (2004)
Apostol Natsev, Rajeev Rastogi, Kyuseok Shim
WALRUS: A Similarity Retrieval Algorithm for Image Databases. IEEE Trans. Knowl. Data Eng. 16 (3) (2004)
Ching-Yung Lin, Belle L. Tseng, Milind R. Naphade, Apostol Natsev, John R. Smith
MPEG-7 video automatic labeling system. ACM Multimedia (2003)
John R. Smith, Milind R. Naphade, Apostol Natsev
Multimedia semantic indexing using model vectors. ICME (2003)
Apostol Natsev, John R. Smith
Active selection for multi-example querying by content. ICME (2003)
Belle L. Tseng, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, John R. Smith
Normalized classifier fusion for semantic visual concept detection. ICIP (2) (2003)
Milind R. Naphade, Apostol Natsev, John R. Smith
Exploring semantic dependencies for scalable concept detection. ICIP (3) (2003)
Apostol Natsev, John R. Smith
New anchor selection methods for image retrieval. Storage and Retrieval for Media Databases (2003)
John R. Smith, Alejandro Jaimes, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, Belle L. Tseng
Interactive search fusion methods for video database retrieval. ICIP (1) (2003)
Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, Chalapathy Neti, John R. Smith, Belle L. Tseng, Harriet J. Nock, W. H. Adams
User-trainable video annotation using multimodal cues. SIGIR (2003)
Ching-Yung Lin, Belle L. Tseng, Milind R. Naphade, Apostol Natsev, John R. Smith
VideoAL: a novel end-to-end MPEG-7 video automatic labeling system. ICIP (3) (2003)
Arnon Amir, Marco Berg, Shih-Fu Chang, Winston H. Hsu, Giridharan Iyengar, Ching-Yung Lin, Milind R. Naphade, Apostol Natsev, Chalapathy Neti, Harriet J. Nock, John R. Smith, Belle L. Tseng, Yi Wu, Donqing Zhang
IBM Research TRECVID-2003 Video Retrieval System. TRECVID (2003)
Milind R. Naphade, Ching-Yung Lin, Apostol Natsev, Belle L. Tseng, John R. Smith
A framework for moderate vocabulary semantic visual concept detection. ICME (2003)
Apostol Natsev, Gene Y. C. Fuh, Weidong Chen, Chi-Huang Chiu, Jeffrey Scott Vitter
Aggregate Predicate Support in DBMS. Australasian Database Conference (2002)
Bill Adams, Giridharan Iyengar, Chalapathy Neti, Harriet J. Nock, Arnon Amir, Haim H. Permuter, Savitha Srinivasan, Chitra Dorai, Alejandro Jaimes, Christian A. Lang, Ching-Yung Lin, Apostol Natsev, Milind R. Naphade, John R. Smith, Belle L. Tseng, Sugata Ghosal, Raghavendra Singh, T. V. Ashwin, DongQing Zhang
IBM Research TREC 2002 Video Retrieval System. TREC (2002)
Apostol Natsev, John R. Smith, Yuan-Chi Chang, Chung-Sheng Li, Jeffrey Scott Vitter
Constrained querying of multimedia databases: issues and approaches. Storage and Retrieval for Media Databases (2001)
Apostol Natsev, Yuan-Chi Chang, John R. Smith, Chung-Sheng Li, Jeffrey Scott Vitter
Supporting Incremental Join Queries on Ranked Inputs. VLDB (2001)
Apostol Natsev, Atul Chadha, Basuki Soetarman, Jeffrey Scott Vitter
CAMEL: concept annotated image libraries. Storage and Retrieval for Media Databases (2001)
Apostol Natsev, Rajeev Rastogi, Kyuseok Shim
WALRUS: A Similarity Retrieval Algorithm for Image Databases. SIGMOD Conference (1999)
Philip M. Long, Apostol Natsev, Jeffrey Scott Vitter
Text compression via alphabet re-representation. Neural Networks 12 (4-5) (1999)
Philip M. Long, Apostol Natsev, Jeffrey Scott Vitter
Text Compression Via Alphabet Re-Representation. Data Compression Conference (1997)