Abstrak ---Presensi adalah suatu pendataan kehadiran, bagian dari pelaporan aktivitas suatu institusi, atau komponen institusi itu sendiri yang berisi data-data kehadiran yang disusun dan diatur sedemikian rupa sehingga mudah untuk dicari dan dipergunakan apabila sewaktu-waktu diperlukan oleh pihak yang berkepentingan. Aplikasi komputer yang dikembangkan pada sistem presensi adalah aplikasi komputer yang dapat mengenali wajah seseorang hanya dengan menggunakan webcam. Pengenalan wajah dalam penelitian ini menggunakan sebuah webcam untuk menangkap suatu citra kondisi ruangan pada waktu tertentu yang kemudian diidentifikasi wajah yang ada. Beberapa metode yang digunakan dalam penelitian disini adalah metode Dynamic Times Wrapping ( DTW ) , Principal Component Analysis (PCA) dan Gabor Wavelet. Pada sistem ini, digunakan pengujian dengan ekspresi citra wajah normal. Tingkat keberhasilan pengenalan dengan citra wajah ekspresi normal menggunakan metode DTW sebesar 80%, PCA 100 % dan Gabor wavelet 97 %. Kata kunci: Presensi, PCA, DTW, Eigenface, Gabor Wavelet.Abstract ---Presensi is a logging attendance, part of activity reporting an institution, or a component institution itself which contains the presence data compiled and arranged so that it is easy to search for and used when required at any time by the parties concerned. Computer application developed in the presensi system is a computer application that can recognize a person's face using only a webcam. Face recognition in this study using a webcam to capture an image of the room at any given time who later identified the existing faces. Some of the methods used in the research here is a method of the Dynamic Times Wrapping (DTW), Principal Component Analysis (PCA) and Gabor Wavelet. This system, used in testing with normal facial image expression. The success rate of the introduction with the normal expression of face image using DTW amounting to 80%, 100% and PCA Gabor wavelet 97%.
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