Please use this identifier to cite or link to this item: http://repository.ipb.ac.id/handle/123456789/113808
Title: Biometrik Wajah Bagian Bawah Monyet Ekor Panjang (Macaca fascicularis) sebagai Basis Data Sistem Pengenalan Temperamen Terotomatisasi
Other Titles: Biometric of Cynomolgus Macaque Lower Face as Automated Temperament Recognition’s Database
Authors: Widhyari, Sus Derthi
Dewi, Fitriya Nur Annisa
Saiulina, Chelsea Judith
Issue Date: 2022
Abstract: Penggunaan monyet ekor panjang (Macaca fascicularis) sebagai hewan laboratorium tidak dapat terlepas dari prinsip 3R (Replacement, Reduction, Refinement) sebagai implementasi prinsip kesejahteraan hewan. Pengembangan sistem Automated Face Recognition (AFR) atau pengenalan wajah terotomatisasi hadir sebagai bentuk pendekatan salah satu aspek prinsip 3R yaitu refinement, yakni untuk mengidentifikasi rasa sakit, nyeri dan stres melalui perubahan wajah yang mengindikasikan temperamen tiap individu monyet ekor panjang. Pengembangan sistem tersebut memerlukan basis data yang didapat dari studi biometrik wajah monyet ekor panjang. Penelitian ini bertujuan mengevaluasi data biometrik wajah bagian bawah (lower face) monyet ekor panjang pada berbagai temperamen. Pengukuran biometrik dilakukan pada titik orientasi yang berkaitan dengan otot penggerak wajah dan disebut dengan Action Unit (AU). Evaluasi dilakukan terhadap nilai AU9+10 (nose wrinkle/upper lip raiser), AU12 (lip corner puller), AU16 (lower lip depressor) dan AU 18i+18ii (true pucker/outer pucker) pada ekspresi wajah hewan pada temperamen agresif, netral, afiliatif dan fearful. Hasil penelitian menunjukkan bahwa AU9+10 dan/atau AU12 dapat digunakan sebagai indikator temperamen fearful melalui ekspresi fear grimace. AU16 dan AU18i+18ii tidak dapat dijadikan indikator pembeda temperamen karena tidak menunjukkan perbedaan kuantitatif pada ekspresi wajah yang berbeda, meskipun dapat dikenali secara visual.
The use of laboratory cynomolgus macaque (Macaca fascicularis) in captivity cannot be separated from the 3R principle (Replacement, Reduction, Refinement) as the implementation of animal welfare principles. The development of an Automated Face Recognition (AFR) system may serve as an approach to implement one aspect of the 3R principle, namely refinement, by automated identification of pain and stress through facial expression changes that indicate the temperament of individual cynomolgus macaque. The development of the computational system requires a database obtained from facial biometrics. The aim of this study was to evaluate biometrics of the lower face of cynomolgus macaque in various temperaments. Biometric measurements were made at the point of orientation associated with the movement of muscles that regulate facial expression, which is called Action Unit (AU). Evaluations were performed to obtain the values of AU9+10 (nose wrinkle/upper lip raiser), AU12 (lip corner puller), AU16 (lower lip depressor), and AU 18i+18ii (true pucker/outer pucker) in animals of aggressive, neutral, affiliative and fearful temperaments. The results showed that AU9+10 and/or AU12 biometrics can be used as an indicator of fearful temperament through the expression of fear grimace. AU16 and AU18i+18ii cannot be used as differentiating indicators of temperament because they did not show quantitative differences in different facial expressions, although they can be visually recognized.
URI: http://repository.ipb.ac.id/handle/123456789/113808
Appears in Collections:UT - Veterinary Clinic Reproduction and Pathology

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