Recognizing Action Units for Facial Expression Analysis
IEEE Transactions on Pattern Analysis and Machine Intelligence
A recursive evaluation algorithm for a class of Catmull-Rom splines
SIGGRAPH '88 Proceedings of the 15th annual conference on Computer graphics and interactive techniques
Automated Segmentation of Archaeological Profiles or Classification
ICPR '02 Proceedings of the 16 th International Conference on Pattern Recognition (ICPR'02) Volume 1 - Volume 1
Face recognition: A literature survey
ACM Computing Surveys (CSUR)
Invariant matching and identification of curves using B-splines curve representation
IEEE Transactions on Image Processing
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This paper describes a technique for the representation of the 2D frontal view of faces, based on Catmull-Rom splines. It takes advantage of the a priori knowledge about the face structure and of the proprieties of Catmull-Rom splines, like interpolation, smoothness and local control, in order to define a set of key points that correspond among different faces. Moreover, it can compactly describe the whole face even if the face features have not been completely localized. The proposed model has been tested in practical contexts of face analysis and promising qualitative results are included to illustrate its versatility and accuracy.