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A Unified Approach for Combining ASM into AAM

Authors: Jaewon Sung; Daijin Kim;

A Unified Approach for Combining ASM into AAM

Abstract

Since the goal of Active Appearance Model (AAM) is to minimize the residual error between the model appearance and the input image, it often fails to converge accurately to the landmark points of the input image. To alleviate this weakness, we have combined Active Shape Model (ASM) into AAM, where ASM tries to find correct landmark points using the local profile model. Because the original objective function and search scheme of the ASM is not appropriate for combining these methods, we modified the objective function of the ASM and proposed a new objective function that combining that of two methods. The proposed objective function can be optimized using a gradient based algorithm as in the AAM. Experimental results show that the proposed method reduces the average fitting error when compared with existing fitting methods such as ASM, AAM, and Texture Constrained-ASM (TC-ASM).

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Korea (Republic of)
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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