Perceptual Metrics for Image Database Navigation

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Table of Contents

Perceptual Metrics for Image Database Navigation

Image Retrieval: Previous Work

Content-based Image Retrieval

Talk Outline

Ground Distance

Histogram Distances - 1

Histogram Distances - 2

Desired Distances

Transportation Problem

Signatures Vs. Histograms

The Earth Moverís Distance

Linear Optimization

EMD - Lower Bound

EMD - Properties For IR

Talk Outline

Color - Ground Distance

Color Signatures

Examples: Color-based Retrieval

Color Retrieval - Bad Example

Comparison Experiment: Horses

Horses: Queries

Horses: Histograms

Horses: Signatures

Horses: Distance Effectiveness

Position

Talk Outline

Texture

Texture Features

Texture Signature

Texture - Ground Distance

Example: Texture Retrieval

Texture: Partial Match

Zebras

Texture Metric

Talk Outline

Visualizing Query Results

Multidimensional Scaling (MDS)

Visualization - Advantages

Texture: Rotation Invariance

Visualization - 3D

Talk Outline

Navigation

Retrieval by Refinement

PPT Slide

Navigation

Mug Shots - 1

Mug Shots - 2

Summary

Author: Yossi Rubner

Email: rubner@cs.stanford.edu

Home Page: http://vision.stanford.edu/~rubner