Filters








1,814 Hits in 5.8 sec

A spatial match representation scheme for indexing and querying in iconic image databases

Jae-Woo Chang, Yeon-Jung Kim, Ki-Jin Chang
1997 Proceedings of the sixth international conference on Information and knowledge management - CIKM '97  
For this, we propose a new spatial match representation scheme to describe spatial relationships between icon objects preciseIy by using accurate positional operators as well as by expressing objects as  ...  The purpose of our paper is to provide both effective representation and efficient retrieval of images when a pixel-level original image is antomaticahy or mannally transformed into its iconic image containing  ...  = (A, B, DAB, SC$",SC$") = 0 if /m(A) -rx(The architecture of a spatial match retrieval system 3 A New Spatial Match Representation Scheme For image indexing, a large number of known image processing  ... 
doi:10.1145/266714.266890 dblp:conf/cikm/ChangKC97 fatcat:feytw2hyb5c7ren7doo6n6iw6i

A Three-Dimensional Representation Scheme for Indexing and Querying in Iconic Image Databases [chapter]

Jae-Woo Chang
1999 Database Semantics  
For this, we propose a new spatial match representation scheme, called 27DLT one, by extending the conventional 9DLT(Direction Lower Triangular) scheme so that we can describe three-dimensional spatial  ...  The purpose of our paper is to provide both effective representation and efficient retrieval of images when a pixel-level original image is automatically or manually transformed into its iconic image containing  ...  In order to support 3D content-based image retrieval, we propose a new three-dimensional representation scheme for iconic image indexing and querying, called 27DLT one, by extending the conventional 9DLT  ... 
doi:10.1007/978-0-387-35561-0_15 fatcat:vvxuvrvgf5cffpok73hu6vvjou

A general approach to indexing and retrieval of images in image databases

Qing-Long Zhang, Stephen S.-T. Yau
2003 Communications in Information and Systems  
of the image to formulate a more general framework for iconic indexing and retrieval of images.  ...  In this paper we present a very general approach to indexing and retrieval of images in image database systems.  ...  In that paper [13] , they proposed a unified iconic indexing, the generalized combined 2D string representation, for images in image databases.  ... 
doi:10.4310/cis.2003.v3.n1.a5 fatcat:76vvlufdsnalxi7tea6ox2vhl4

Archival and retrieval of symbolic images: An invariant scheme based on triangular spatial relationship

D.S. Guru, P. Punitha, P. Nagabhushan
2003 Pattern Recognition Letters  
In this paper, a novel scheme for representing symbolic images in a symbolic image database (SID) is proposed.  ...  A methodology to retrieve similar images for a given query image is also presented. The presented retrieval model has logarithmic search time complexity.  ...  to such an index has got all the keys of the query image in its key set and hence, it is said to be a similar image.  ... 
doi:10.1016/s0167-8655(03)00069-2 fatcat:76rejmcfkjegrkqxqky7djpm3m

Video Data Indexing by 2D C-Trees

FANG-JUNG HSU, SUH-YIN LEE, BAO-SHUH LIN
1998 Journal of Visual Languages and Computing  
Chang et al. had proposed an effective 2D string approach for spatial indexing of image data. In this paper, we extend this iconic approach and apply it to video data indexing.  ...  We present three schemes, full-sequence matching, segment matching and subsequence matching, for video information retrieval.  ...  Acknowledgement We are grateful to The Walt Disney Company for allowing us the experimental use of ' The Lion King ' production.  ... 
doi:10.1006/jvlc.1998.0089 fatcat:klibq5uxr5btnimxs3nlosxwv4

An invariant scheme for exact match retrieval of symbolic images based upon principal component analysis

D.S Guru, P Punitha
2004 Pattern Recognition Letters  
In this paper, an important aspect in creating a symbolic image database (SID), useful for exact match retrieval is addressed.  ...  The PCVs corresponding to n images to be archived in the SID are stored in a sorted order. A methodology for exact match retrieval is also presented in this paper.  ...  Based on the above representation scheme, a methodology for exact match retrieval is devised and is as simple as described in the next section.  ... 
doi:10.1016/j.patrec.2003.09.003 fatcat:zfaajpwfubclli4nyua2wfv3fy

Image retrieval by elastic matching of user sketches [chapter]

A. Bimbo, P. Pala
1995 Lecture Notes in Computer Science  
The elastic matching is integrated with arrangements to provide for scale invariance, to take into account rotations and spatial relationships between objects for multiple-object queries.  ...  Image retrieval by contents from database is a major research subject in advanced multimedia systems.  ...  Retrieval is reduced to the matching of the user visual representation against iconic indexes in the database.  ... 
doi:10.1007/3-540-60298-4_256 fatcat:5jfz4scwbjczfgduwteqm4mbwq

An Effective and Efficient Exact Match Retrieval Scheme for Symbolic Image Database Systems Based on Spatial Reasoning: A Logarithmic Search Time Approach

P. Punitha, D.S. Guru
2006 IEEE Transactions on Knowledge and Data Engineering  
In this paper, a novel method of representing symbolic images in a symbolic image database (SID) invariant to image transformations that is useful for exact match retrieval is presented.  ...  Index Terms-Exact match retrieval, direction of reference, modified binary search, spatial relationship, symbolic image, symbolic image database.  ...  Jain for his support and encouragement and also for having provided him an opportunity to use library and laboratory facilities at Michigan State University.  ... 
doi:10.1109/tkde.2006.154 fatcat:22zdnscqozbihogapww5ah3g5q

Sketch Retrieval via Dense Stroke Features

Chao Ma, Xiaokang Yang, Chongyang Zhang, Xiang Ruan, Ming-Hsuan Yang
2013 Procedings of the British Machine Vision Conference 2013  
Sketch retrieval aims at retrieving most similar sketches from a large database based on one hand-drawn query.  ...  Successful retrieval hinges on an effective representation of sketch images and an efficient search method.  ...  To retrieve object images in a large database, descriptors based on edge pixels are proposed for indexing and matching sketches [3] .  ... 
doi:10.5244/c.27.65 dblp:conf/bmvc/MaYZRY13 fatcat:epqnav52tzct7hnsopwgt4xoym

Content Based Multimedia Information Retrieval to Support Digital Libraries [article]

Mohammad Nabil Almunawar
2012 arXiv   pre-print
For example retrieval based on visual characteristics such as colour, shapes or textures of objects in images or retrieval based on spatial relationships among objects in the media (images or video clips  ...  This paper reviews some work done in image and video retrieval and then proposes an integrated model that can handle images and video clips uniformly.  ...  Using this scheme, a sketch query is mapped to a bi-list representation, which is ready to be compared with pictures stored in a database.  ... 
arXiv:1207.4259v1 fatcat:rvpiuh27zvhw5d632xr4h7eo7a

Image database design based on 9D-SPA representation for spatial relations

Po-Whei Huang, Chu-Hui Lee
2004 IEEE Transactions on Knowledge and Data Engineering  
In this paper, we propose a new scheme, called 9D-SPA representation, for encoding the spatial relations in an image.  ...  With this representation, important functions of intelligent image database systems such as visualization, browsing, spatial reasoning, iconic indexing, and similarity retrieval can be easily achieved.  ...  The authors would also like to thank all the anonymous reviewers of this paper for their invaluable suggestions and comments.  ... 
doi:10.1109/tkde.2004.92 fatcat:6t4wiabvqfdnhmxah7jueybmfa

Sketch retrieval via local dense stroke features

Chao Ma, Xiaokang Yang, Chongyang Zhang, Xiang Ruan, Ming-Hsuan Yang
2016 Image and Vision Computing  
Sketch retrieval aims at retrieving the most similar sketches from a large database based on one hand-drawn query.  ...  Successful retrieval hinges on an effective representation of sketch images and an efficient search method.  ...  To retrieve object images from a large database, feature descriptors are commonly extracted for indexing and matching sketches.  ... 
doi:10.1016/j.imavis.2015.11.007 fatcat:pe7zjjp5lbff7ilbr2ejmfyl3m

Efficient position-independent iconic search using an R-theta index

Charles B. Cranston, Hanan Samet
2006 Proceedings of the 14th annual ACM international symposium on Advances in geographic information systems - GIS '06  
A method is presented to support fast positionindependent similarity search in an iconic database for symbolic images where the similarity condition involves finding icon pairs that satisfy a specific  ...  Using such an index, database search for icon pairs with a given spatial relationship or range is accomplished by examining the subarea of the index space into which desired pairs would map.  ...  class, to be satisfied by a corresponding specific icon instance in database images matched.  ... 
doi:10.1145/1183471.1183478 dblp:conf/gis/CranstonS06 fatcat:6f7wqbwd7zatzl7qb2r32jtdsu

Two-dimensional string notation for representing video sequences

Kim Shearer, Dorota H. Kieronska, Svetha Venkatesh, C.-C. Jay Kuo
1995 Digital Image Storage and Archiving Systems  
This representation is highly compact and allows rapid resolution of queries specified by iconic example.  ...  Just as 2D strings provide a compact and tractable indexing notation for digital pictures, a sequence of 2D strings might provide an index for a video or image sequence.  ...  Matching strings which are detected in the database are decoded into simple iconic representations of the original picture, which may be displayed as a response to the query.  ... 
doi:10.1117/12.227261 fatcat:dxdqadcwgnbhxmmsmjrzsq3grm

IME: an image management environment with content-based access

Andrea F. Abate, Michele Nappi, Genny Tortora, Maurizio Tucci
1999 Image and Vision Computing  
A suitable spatial index is used to organize the images in a spatial access structure for efficient storage and retrieval.  ...  In order to let the system retrieve images based on the presence of given patterns, it is necessary to define similarity matching criteria between a query and an image.  ...  Sasso and the research staff he directs at the Radiology Institute of the Second University of Naples for their assistance in the choice of the pathologies and images from the Institute archive.  ... 
doi:10.1016/s0262-8856(98)00186-3 fatcat:idesfdopinhh3aae4jjgjbtite
« Previous Showing results 1 — 15 out of 1,814 results