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» A Comparison of Clustering Methods for Word Image Indexing
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CVPR
2009
IEEE
15 years 3 months ago
Vocabulary Hierarchy Optimization for Effective and Transferable Retrieval
Scalable image retrieval systems usually involve hierarchical quantization of local image descriptors, which produces a visual vocabulary for inverted indexing of images. Although ...
Rongrong Ji (Harbin Institute of Technology), Xing...
ASAP
2005
IEEE
151views Hardware» more  ASAP 2005»
14 years 1 months ago
Performance Comparison of SIMD Implementations of the Discrete Wavelet Transform
This paper focuses on SIMD implementations of the 2D discrete wavelet transform (DWT). The transforms considered are Daubechies’ real-to-real method of four coefficients (Daub-...
Asadollah Shahbahrami, Ben H. H. Juurlink, Stamati...
IDA
2010
Springer
14 years 21 days ago
Using CAPTCHAs to Index Cultural Artifacts
: Rock art, human-made markings on stone, is an important cultural and the earliest expression of abstract thinking. While there are tens of millions of photographs of rock art in ...
Qiang Zhu 0002, Eamonn J. Keogh
PAMI
2007
171views more  PAMI 2007»
13 years 7 months ago
Toward Objective Evaluation of Image Segmentation Algorithms
—Unsupervised image segmentation is an important component in many image understanding algorithms and practical vision systems. However, evaluation of segmentation algorithms thu...
Ranjith Unnikrishnan, Caroline Pantofaru, Martial ...
MM
2004
ACM
154views Multimedia» more  MM 2004»
14 years 1 months ago
PLSA-based image auto-annotation: constraining the latent space
We address the problem of unsupervised image auto-annotation with probabilistic latent space models. Unlike most previous works, which build latent space representations assuming ...
Florent Monay, Daniel Gatica-Perez