dor_id: 45771

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336.#.#.a: Artículo

351.#.#.6: https://jart.icat.unam.mx/index.php/jart

351.#.#.b: Journal of Applied Research and Technology

351.#.#.a: Artículos

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/156/153

100.1.#.a: Sheu, Jia Shing; Hsieh, Tsu Shien; Shou, Ho Nien

524.#.#.a: Sheu, Jia Shing, et al. (2014). Automatic Generation of Facial Expression Using Triangular Geometric Deformation. Journal of Applied Research and Technology; Vol. 12 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45771

245.1.0.a: Automatic Generation of Facial Expression Using Triangular Geometric Deformation

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2014

264.#.1.c: 2014-12-01

653.#.#.a: Facial expression generation; feature capture; geometric transformation; image correction

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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001.#.#.#: 074.oai:ojs2.localhost:article/156

041.#.7.h: eng

520.3.#.a: This paper presents an image deformation algorithm and constructs an automatic facial expression generation systemto generate new facial expressions in neutral state. After the users input the face image in a neutral state into thesystem, the system separates the possible facial areas and the image background by skin color segmentation. It thenuses the morphological operation to remove noise and to capture the organs of facial expression, such as the eyes,mouth, eyebrow, and nose. The feature control points are labeled according to the feature points (FPs) defined byMPEG-4. After the designation of the deformation expression, the system also increases the image correction pointsbased on the obtained FP coordinates. The FPs are utilized as image deformation units by triangular segmentation.The triangle is split into two vectors. The triangle points are regarded as linear combinations of two vectors, and thecoefficients of the linear combinations correspond to the triangular vectors of the original image. Next, thecorresponding coordinates are obtained to complete the image correction by image interpolation technology togenerate the new expression. As for the proposed deformation algorithm, 10 additional correction points aregenerated in the positions corresponding to the FPs obtained according to MPEG-4. Obtaining the correction pointswithin a very short operation time is easy. Using a particular triangulation for deformation can extend the material areawithout narrowing the unwanted material area, thus saving the filling material operation in some areas.

773.1.#.t: Journal of Applied Research and Technology; Vol. 12 Núm. 6

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.1016/S1665-6423(14)71671-2

harvesting_date: 2023-11-08 13:10:00.0

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last_modified: 2024-03-19 14:00:00

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Artículo

Automatic Generation of Facial Expression Using Triangular Geometric Deformation

Sheu, Jia Shing; Hsieh, Tsu Shien; Shou, Ho Nien

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Sheu, Jia Shing, et al. (2014). Automatic Generation of Facial Expression Using Triangular Geometric Deformation. Journal of Applied Research and Technology; Vol. 12 Núm. 6. Recuperado de https://repositorio.unam.mx/contenidos/45771

Descripción del recurso

Autor(es)
Sheu, Jia Shing; Hsieh, Tsu Shien; Shou, Ho Nien
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Automatic Generation of Facial Expression Using Triangular Geometric Deformation
Fecha
2014-12-01
Resumen
This paper presents an image deformation algorithm and constructs an automatic facial expression generation systemto generate new facial expressions in neutral state. After the users input the face image in a neutral state into thesystem, the system separates the possible facial areas and the image background by skin color segmentation. It thenuses the morphological operation to remove noise and to capture the organs of facial expression, such as the eyes,mouth, eyebrow, and nose. The feature control points are labeled according to the feature points (FPs) defined byMPEG-4. After the designation of the deformation expression, the system also increases the image correction pointsbased on the obtained FP coordinates. The FPs are utilized as image deformation units by triangular segmentation.The triangle is split into two vectors. The triangle points are regarded as linear combinations of two vectors, and thecoefficients of the linear combinations correspond to the triangular vectors of the original image. Next, thecorresponding coordinates are obtained to complete the image correction by image interpolation technology togenerate the new expression. As for the proposed deformation algorithm, 10 additional correction points aregenerated in the positions corresponding to the FPs obtained according to MPEG-4. Obtaining the correction pointswithin a very short operation time is easy. Using a particular triangulation for deformation can extend the material areawithout narrowing the unwanted material area, thus saving the filling material operation in some areas.
Tema
Facial expression generation; feature capture; geometric transformation; image correction
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces