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Cited by 852

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Articulated Human Detection with Flexible Mixtures of Parts

Open access
Yang, Yi, Ramanan, Deva·2013·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

We describe a method for articulated human detection and human pose estimation in static images based on a new representation of deformable part models. Rather than modeling articulation using a family of warped (rotated and foreshortened) templates, we use a mixture of small, nonoriented parts. We describe a general, flexible mixture model that jointly captures spatial relations between part locations and co-occurrence relations between part mixtures, augmenting standard pictorial structure models that encode just spatial relations. Our models have several notable properties: 1) They efficiently model articulation by sharing computation across similar warps, 2) they efficiently model an exponentially large set of global mixtures through composition of local mixtures, and 3) they capture the dependency of global geometry on local appearance (parts look different at different locations). When relations are tree structured, our models can be efficiently optimized with dynamic programming. We learn all parameters, including local appearances, spatial relations, and co-occurrence relations (which encode local rigidity) with a structured SVM solver. Because our model is efficient enough to be used as a detector that searches over scales and image locations, we introduce novel criteria for evaluating pose estimation and human detection, both separately and jointly. We show that currently used evaluation criteria may conflate these two issues. Most previous approaches model limbs with rigid and articulated templates that are trained independently of each other, while we present an extensive diagnostic evaluation that suggests that flexible structure and joint training are crucial for strong performance. We present experimental results on standard benchmarks that suggest our approach is the state-of-the-art system for pose estimation, improving past work on the challenging Parse and Buffy datasets while being orders of magnitude faster.

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Crossref · 10.1109/tpami.2012.261

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Metadata

Authors
Yang, Y., & Ramanan, D.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2013-12
Volume
35
Issue
12
Pages
2878-2890
ISSN
  • 0162-8828 (ISSN-L)
  • 2160-9292
OpenAlex
W2013640163
Cited by
852
References
47
FWCI
42.95
Type
journal article
Language
en
Open access
green

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