An Analysis of Image Retrieval Methods Based on Arrangements of Feature Points—Comparison Between Geometric Hashing and LLAH—

LanguageJapanese
TypeProceedings of Japanese Conferences
AuthorsMasakazu Iwamura, Tomohiro Nakai, Koichi Kise
TitleAn Analysis of Image Retrieval Methods Based on Arrangements of Feature Points—Comparison Between Geometric Hashing and LLAH—
JournalProceedings of MIRU 2007
Presentation numberIS-4-10
Pagespp.1200-1205
ReviewedNot reviewed
DateJuly 2007
Research fieldsDocument Image Analysis, Document Image Retrieval
KeyIwamura2007_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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