Describing Objects by their Attributes - Semantic Scholar

Describing Objects by their Attributes

Ali Farhadi, Ian Endres, Derek Hoiem, David Forsyth

Presenters: Thomas Provan Rencheng Tan

Problem

Naming is not very informative, especially in failure states.

Recognition of new objects with few or no visual examples is difficult.

Motivation

Shifting the goal of recognition from naming to describing.

Report unusual aspects of a familiar object. Describing can say something about an

image, even if we cannot identify it.

Motivation

System

D. Hoiem, 2009

Features

Strategy: cover our bases

? Spatial pyramid histograms of quantized

? Color and texture for materials ? Histograms of gradients (HOG) for parts ? Canny edges for shape

D. Hoiem, 2009

Semantic Attributes

Discriminative Attributes

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