An Analysis of Image Retrieval Methods Based on Arrangements of Feature Points—Comparison Between Geometric Hashing and LLAH—
Language
Japanese
Type
Proceedings of Japanese Conferences
Authors
Masakazu Iwamura, Tomohiro Nakai, Koichi Kise
Title
An Analysis of Image Retrieval Methods Based on Arrangements of Feature Points—Comparison Between Geometric Hashing and LLAH—
Journal
Proceedings of MIRU 2007
Presentation number
IS-4-10
Pages
pp.1200-1205
Reviewed
Not reviewed
Date
July 2007
Research fields
Document Image Analysis, Document Image Retrieval
Key
Iwamura2007_MIRU (id=987)
Abstract
The geometric hashing (GH) is a well-known object recognition
technique based on arrangement of feature points.
Recently, we have proposed
``locally likely arrangement hashing (LLAH)''
which outperforms GH in both processing time and required amount of
memory with little loss of retrieval accuracy.
One of two objectives of the current paper is to reveal where the
outstanding performance of LLAH comes from.
The other objective is to discuss the robustness of LLAH
against change of the picture angle which can spoil the performance.
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