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Image database design based on 9D-SPA representation for spatial relations
2004
IEEE Transactions on Knowledge and Data Engineering
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containing 50,000 symbolic pictures. ...
In this paper, we propose a new scheme, called 9D-SPA representation, for encoding the spatial relations in an image. ...
ACKNOWLEDGMENTS This research work was supported by the project NSC90-2213-E-005-015 granted by the National Science Council of the Republic of China. ...
doi:10.1109/tkde.2004.92
fatcat:6t4wiabvqfdnhmxah7jueybmfa
2D projection interval relationships: A symbolic representation of spatial relationships
[chapter]
1995
Lecture Notes in Computer Science
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Spatial relationships are important ingredients for expressing constraints in retrieval systems for spatial databases. ...
We propose a graph representation for pictures that is based on 2D-PIR. This graph representation can be constructed e ciently and leads to an e cient algorithm for \picture matching". ...
A s y m bolic picture is a digraph where nodes of the graph are symbols representing spatial objects and edges of the graph are labelled by 2D-PIR relationships. ...
doi:10.1007/3-540-60159-7_18
fatcat:zqqmadliu5bejdgdq22ibmvsee
A multichannel storage arrangement scheme of pictorial databases for concurrent spatial match retrieval
2000
Computers and Mathematics with Applications
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When touching the applications related to pictorial databases, then the first problem that should be faced is the large amount of pictorial data (pictures) to be retrieved. ...
of simple spatial match queries is minimized ...
Figure 1 is a simple symbolic picture. In that figure, A, B, C, D, and E are five different icons, and each icon represents an atom that relates to the object in the real picture. ...
doi:10.1016/s0898-1221(00)00057-2
fatcat:kscdxezz5fhxnnzmiufbb2qpam
Content-based video retrieval via motion trajectories
1998
Electronic Imaging and Multimedia Systems II
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For the retrieval via multiple motion trajectories, the trajectories of the video are modeled as a sequence of symbolic pictures. ...
For the retrieval via single motion trajectory, the trajectory is modeled as a sequence of segments and each segment is represented as the slope. ...
Spatial information of the symbolic picture can be represented by the spatial data structure, 2D string.3 For the sequence of symbolic pictures, 2D strings can be extended to a sequence of 2D strings or ...
doi:10.1117/12.319738
fatcat:mtbvedhtwzhqrnnac7qqru666y
Image retrieval by elastic matching of user sketches
[chapter]
1995
Lecture Notes in Computer Science
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Image retrieval by contents from database is a major research subject in advanced multimedia systems. ...
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 System Based on shapes and spatial relations representations previously discussed, a system has been developed for image retrieval by contents. ...
doi:10.1007/3-540-60298-4_256
fatcat:5jfz4scwbjczfgduwteqm4mbwq
Content-based Image Retrieval by Spatial Similarity
2002
Defence Science Journal
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A content-based image retrieval system that erticiently and effectively retrieves information from a defence image database along with the architecture for retrieving images by spatial similarity is presented ...
A robust alaorithm SIM . .for retrieval bv soatial similarin, is ~rooosed that utilises both directional and topological relations for computing similarity between images, retrieves similar images and ...
The symbolic image is represented as a set of triplets (Ox, 0,, r,) where 0 , and 0, are the two symbolic objects and r, is the spatial relationship between 0, and 0. ...
doi:10.14429/dsj.52.2183
fatcat:zpsflnbz3nelxgbpvhq6orps6y
An Efficient Signature File Strategy for Similarity Retrieval from Large Iconic Image Databases
2002
Journal of Visual Languages and Computing
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In the previous signature-based approaches to retrieve symbolic pictures from a large iconic image database, only pictures of type-2 similarity are considered, where a picture A is of type-2 similarity ...
Note that a picture is of type-0 similarity when all the spatial category relationships of each object pair are the same to the query picture, and a picture is of type-1 similarity when the picture is ...
The symbol"denotes the 'at the same spatial location as' relationship and the symbol : denotes the 'in the same set as' relation. ...
doi:10.1006/jvlc.2001.0212
fatcat:6p2l5rczxnfupb5smaqoxd55fi
On Completeness of Reasoning about Planar Spatial Relationships in Pictorial Retrieval Systems
2004
Communications in Information and Systems
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Li's and Bj 's in u and v by their represented local substrings of super-symbols, respectively, and then output " YES" and (u, v). ...
Picture retrieval by (extended) pseudo-2D strings is also discussed. ...
A 2D string representing a symbolic picture is derived from the picture by orthogonally projecting its symbols by columns and by rows. ...
doi:10.4310/cis.2004.v4.n3.a2
fatcat:pdatseoatrca7eapcp4rkuth3q
Similarity Retrieval by 2D C-Trees Matching in Image Databases
1998
Journal of Visual Communication and Image Representation
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Experimental results for verifying the can be represented by a 2D string and a picture query can effectiveness of similarity retrieval by 2D C-trees matching are also be specified by a 2D string. ...
Each symbolic picture for subpicture query. ...
We briefly review the 2D string as'' relation. The symbolic picture f 1 in Fig. 1a may be indexing approach in the next section. ...
doi:10.1006/jvci.1998.0377
fatcat:2efmyd3bsvfkdec4ikqw7fxezu
Spatial management of data
1980
ACM Transactions on Database Systems
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may be represented by more than one icon.Conversely, each icon may be represented by more than one entity.I *In the CCA implementation of SDMS, the DBMS used is " 5 INGRES, a relational database system ...
By creating tuples and linking them to such an icon, the user can then locate specific icons by f the use of symbolic queries. ...
This feature allows the nesting of icons, for example displaying a sub-icon for each employee within a department that is represented by one icon. ...
doi:10.1145/320610.320648
fatcat:coz2istyibal5d5g232wp44jaq
Organization and retrieval in a pictorial digital library
1997
Proceedings of the second ACM international conference on Digital libraries - DL '97
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This paper describes a knowledge based approach to organizing and retrieving pictures. ...
Methods are described for using the human perceptions of pictures to create a frame knowledge base that represents the semantic content of pictures. ...
Other pictorial information systems represent spatial relations of objects. ...
doi:10.1145/263690.263775
dblp:conf/dl/Quintana97
fatcat:udddoxgyvnfu5nyjixd4ocygoa
Indexing and retrieval of video based on spatial relation sequences
1999
Proceedings of the seventh ACM international conference on Multimedia (Part 2) - MULTIMEDIA '99
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This paper addresses this challenge and provides an efficient technique for video data retrieval using descriptions of relative object movements. ...
The relative positions and movements of the "interesting" objects in a video segment constitute a crucial component of the information to be retrieved in a multimedia database system. ...
Acknowledgement This work has been partially funded by a National Science Foundation grant under grant number IRI-9619812. ...
doi:10.1145/319878.319910
dblp:conf/mm/DagtasG99
fatcat:fcknrcn46bgajap7lpbqqm7oje
Near perfect hash table for image databases
1996
Proceedings of the 1996 ACM symposium on Applied Computing - SAC '96
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In our earlier work, we have proposed heuristic algorithms to compute the minimal perfect hash table from symbolic picture objects. ...
In image database systems, a perfect hash table can be used to enhance the efficiency and effectiveness of the image retrieval process. ...
Each 2D string is converted to a set of triples of the form (S~, Sj, r~j), where 1 < rij < 9 represents the spatial relation between the symbolic objects S~ and Sj. ...
doi:10.1145/331119.331422
dblp:conf/sac/BhatiaS96
fatcat:7mcys7w4jrdzpou6uahz3ovnmq
Applying Augmented Orientation Spatial Similarity Retrieval in Pictorial Database
[chapter]
2000
Advances in Visual Information Management
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We propose an approach for computing the orientation spatial similarity between two symbolic images in this paper. ...
A major class of users' requests requires retrieving those images in the database that are spatially similar to the query image. ...
An image of a picture is often stored and represented in two forms, the original full-sized image and its symbolic form (Chang, 1987) . ...
doi:10.1007/978-0-387-35504-7_12
fatcat:4eihaaxgzrc7jexztuvrftk2vi
Image protection based on visual cryptography and statistical property
2011
2011 IEEE Statistical Signal Processing Workshop (SSP)
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Spatial relation model is important technique f o r iniage indexing arid retrieval in iniage or niultiniedia databases. 2 -0 strings and its variants are proposed to s~rpport the representation of spatial ...
By applying a nuniber of "duniniy objects", the 2 0 BE-string can intuitively atid tiat~rrally represent the pictorial spatial iriforniatiori withoirt any spatial operator. ...
Algorithm for constructing a symbolic picture By default, before converting an image to a symbolic picture represented by 2D BE-string, we have abstracted all objects and their MBR coordinates from that ...
doi:10.1109/ssp.2011.5967737
fatcat:xmzwvnzn4vdqdfjkvxv2jzx3ue
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