Judul: Temu kembali citra menggunakan radial basis function neural network
Abstrak: Adanya perkembangan yang cukup pesat pada aplikasi multimedia dan internet menyebabkan jumlah citra telah meningkat secara tajam. Para pengguna sangat mudah untuk mengakses ratusan bahkan ribuan citra, Akan tetapi seringkali tidak mudah untuk mendapatkan citra-citra yang sesuai dengan yang mereka butuhkan. Oleh karena itu, perlu sebuah sistem yang dapat menangani hal tersebut. Penelitian ini mengimplementasikan sistem temu kembali citra berbasiskan isi citra atau content-based image retrieval (CBIR) dengan menggunakan ciri wama dan bentuk (delaunay hiangulation) berbasiskan jaringan syaraf tiruan radial basis.
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Judul: Optimisasi Query Citra dengan Relevance Feedback dan Support Vector Machine
Abstrak: Temu kembali citra dilakukan berdasarkan isi citra (CBIR). masing-masing citra memiliki warna, bentuk dan tekstur yang beragam sehingga perlu digunakan teknik klasifikasi agar proses pencarian dapat bekerja optimal. Relevance Feedback (RF) digunakan untuk lebih memaksimalkan hasil temu kembali citra. Penelitian ini menitikberatkan pada temu kembali citra berdasarkan ciri warna. Citra query disegmentasi menggunakan Expectation Maximization kemudian diekstraksi dengan Fuzzy Color Histogram (FCH). Kelas dari citra query diperoleh dari model klasifikasi yang dibentuk menggunakan Support Vector Machine (SVM). RF akan melakukan update pada FCH query sesuai masukan dari pengguna. Penelitian ini mengukur peningkatan yang terjadi pada temu kembali citra dengan SVM dan RF dibandingkan dengan SVM tanpa RF. Evaluasi hasil temu kembali menggunakan rataan precision untuk tiap tingkatan recall. Berdasarkan penelitian ini, hasil temu kembali citra menggunakan SVM tanpa RF memiliki rataan precision 0.74, sedangkan hasil temu kembali ctra menggunakan SVM dan RF memiliki rataan precision 0.82.
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Judul: Biology and ecology of the buffalo fly, haematobia exigua de meijere (diptera:muscidae)
Abstrak: The life history of the buffalo fly was observed at room temperature of 27°-29.5°C and at a relative humidity of 48-68 percent. The eggs hatched after 17-22 hours, with an average of 18 hours. First instar larvae measured 1.25 + 0.16 mm long and 0.27 + 0.037 mm wide. reach the second larval stage. It took 6-12 hours to the second instar larvae measured 2.676 +0.187 mm long and 0.353 +0.028 mm wide. The second instar took about 12-24 hours to reach the third larval stage. The third instar measured 6.833 + 0.189 mm long and 0.919 + 0.051 mm wide. It took about 2-3 days for the third instar to become pupae. Duration of the pupal stage was about 5-7 days before the adults emerged. Under laboratory condition, the buffalo fly completed its life cycle in 9.5 to 10.5 days, whereas under field condition it took 9-14 days with an average of 10.5 days. The growth ratio which was based on the measurements of the cephalo-pharyngeal skeleton of each instar was 1.797. The preoviposition period was 8-12 days and mating usually occurred on the 6th or 7th day. The longevity of the male was 29 days, whereas it was 32 days in the female. The range of egg production under laboratory condition was between 20-139 per female fly. The belly and hind legs of the carabao were the most preferred habitat either during cloudy and cool dry or shiny and warm day. When the weather was clear and the carabao was in the shade, the flies tended to be more distributed particularly on the shoulder, dewlap, back and horns. The carabaos had relatively fewer Musca sp. and Stomoxys calcitrans than cattle; never the less carabaos had a higher infestation of buffalo fly than cattle. Oviposition occured either during the day or night but the buffalo flies were more active during the night than in the day time. The effect of various lengths of exposure time of manure in relation to the oviposition was profound. observed, the maximum number of the buffalo flies was occurred when the dung was exposed for 30 minutes. With increasing time of exposure the number and variety of insects also increase. It was evident that Sepsidae and psychodidae were the most dominant insects emerging from the dung. The number of buffalo flies also increased with increasing
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