A Compact Sift-Based Strategy for Visual Information Retrieval in Large Image Databases
Journal Title: UNKNOWN - Year 2019, Vol 3, Issue 2
Abstract
This paper applies the Standard Scale Invariant Feature Transform (S-SIFT) algorithm to accomplish the image descriptors of an eye region for a set of human eyes images from the UBIRIS database despite photometric transformations. The core assumption is that textured regions are locally planar and stationary. A descriptor with this type of invariance is sufficient to discern and describe a textured area regardless of the viewpoint and lighting in a perspective image, and it permits the identification of similar types of texture in a figure, such as an iris texture on an eye. It also enables to establish the correspondence between texture regions from distinct images acquired from different viewpoints (as, for example, two views of the front of a house), scales and/or subjected to linear transformations such as translation. Experiments have confirmed that the S-SIFT algorithm is a potent tool for a variety of problems in image identification.
Authors and Affiliations
Bernardo F Cruz, Joaquim T de Assis, Vania V Estrela, Abdeldjalil KHELASSI
Keywords
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- EP ID EP648602
- DOI 10.26415/2572-004X-vol3iss2p402-412
- Views 64
- Downloads 0
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