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Feature Detection and Tracking with Constrained Local Models

Cristinacce, D., Cootes, T. F.·2006·Procedings of the British Machine Vision Conference 2006

Abstract

We present an efficient and robust model matching method which uses a joint shape and texture appearance model to generate a set of region template detectors. The model is fitted to an unseen image in an iterative manner by generating templates using the joint model and the current parameter estimates, correlating the templates with the target image to generate response images and optimising the shape parameters so as to maximise the sum of responses. The appearance model is similar to that used in the AAM [1]. However in our approach the appearance model is used to generate likely feature templates, instead of trying to approximate the image pixels directly. We show that when applied to human faces, our Constrained Local Model (CLM) algorithm is more robust and more accurate than the original AAM search method, which relies on the image reconstruction error to update the model parameters. We demonstrate improved localisation accuracy on two publicly available face data sets and improved tracking on a challenging set of in-car face sequences. 1

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Metadata

Authors
Cristinacce, D., & Cootes, T. F.
Venue
Procedings of the British Machine Vision Conference 2006
Published
2006
Pages
95.1-95.10
OpenAlex
W1977821862
Cited by
718
References
0
FWCI
15.55
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Feature Detection and Tracking with Constrained Local Models. https://app.cochat.ai/papers/10.5244/c.20.95
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Cristinacce, D., & Cootes, T. F. (2006). Feature Detection and Tracking with Constrained Local Models. Procedings of the British Machine Vision Conference 2006. https://doi.org/10.5244/c.20.95

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