A decision-theoretic view of image retrieval

Content-based retrieval

Retrieval architecture

Decision-theoretic formulation

A unified view of image similarity

Feature transformation

Feature representation

Feature representation

Color (estimation)-based retrieval

Summary

Example: texture recognition

Designing retrieval systems

Feature representation

Feature transformation

Optimal transformation

Alternative transformations

Basis functions

In practice

Invariance properties

Embedded multi-resolution mixture

Embedded multi-resolution mixture

Embedded multi-resolution mixture

Embedded multi-resolution mixture

Impact on retrieval accuracy

Retrieval results

Conclusions

Object recognition

Texture recognition