Judul: Rekayasa Augmented Reality Mobile Campus Tour Institut Pertanian Bogor
Abstrak: Navigation is a complex problem that requires a set of skills and tools. Because of the complexity, a navigator will be more focused on the process and tools rather than their surrounding. This problem can be solved using augmented reality (AR), a derivation of virtual reality which augments real world with virtual objects. With AR, we can mark a real world location using virtual markers and put relevant information, which is automatically processed by a computer, of that location. This will simplify and reduce the effort of navigation process. Today, many smartphones have enough computing power to run an augmented reality application. This research presents a prototype of augmented reality mobile campus tour in Bogor Agricultural University on Android smartphone. The application is able to give the user estimated bearing and distance of the locations relative to user’s current location. Distance and bearing are computed using Haversine formula to reduce the computation process. To reduce noise in accelerometer and magnetometer values, exponential smoothing is used with accelerometer smoothing factor = 0.2 and magnetometer smoothing factor = 0.5.
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Judul: Sistem Informasi Geografis Ruang Kuliah Kampus IPB Dramaga Berbasis Mobile dengan Platform Android OS
Abstrak: Institut Pertanian Bogor (IPB) which is located in Dramaga, Bogor, West Java has a wide area and has a lot of lecture halls. This has caused many residents of IPB, especially new students have difficulties knowing every location of the lecture halls. Today, GIS technology has been integrated with mobile devices such as Android to ease developer to build an interactive mobile GIS application. The purpose of this study is to develop a mobile-based geographical information system for lecture halls in IPB Dramaga with Android platform that can provide location information using linear sequential model. this research resulted in a mobile GIS application that can display a map from Google Maps which has been added with locations of lecture halls in IPB selected by the user. This application also provide information about distance and signpost between the lecture halls locations and the user location. Another feature is to display information of the lecture halls as images of the lecture halls, faculties, and the building where the lecture halls exist.
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Judul: Karakteristik Asam Lemak Dan Kolesterol Baby Fish Nila (Oreochromis Niloticus) Akibat Proses Penggorengan
Abstrak: Ikan nila (Oreochromis niloticus) adalah ikan air tawar yang umum dikonsumsi oleh masyarakat Indonesia. Baby fish nila umumnya diolah dengan proses penggorengan. Penelitian ini bertujuan untuk menentukan perubahan komposisi kimia, kolesterol, asam lemak dan jaringan pada baby fish nila akibat proses penggorengan. Komposisi kimia diuji dengan metode yang mengacu pada Association of Official Analytical Chemyst, kolesterol diuji dengan metode Liebermann-Buchard Colour Reaction, asam lemak diuji dengan metode chromatography dan histologi diuji dengan metode parafin. Proses penggorengan baby fish nila menyebabkan penurunan kadar air, protein, abu dan karbohidrat namun meningkatkan kadar lemak produk. Baby fish nila goreng menujukkan penurunan asam lemak EPA dan DHA. Jaringan sampel yang digoreng dengan suhu 180 °C selama 5 menit menunjukkan struktur yang lebih kompak bila dibandingkan dengan sampel segar dan sampel yang digoreng pada suhu 160 °C selama 5 menit. Penggorengan baby fish nila pada suhu 180 °C selama 15 menit meningkatkan kolesterol dan rasio omega6:omega3 berturut-turut sebesar 345,81 mg/100g dan 13,52.
Keyword: Asam lemak, baby fish nila, kolesterol, komposisi kimia, proses penggorengan.