Danang Wahyu Wicaksono
Department Of Mathematics, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Indonesia.

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Sistem Deteksi Kemiripan Antar Dokumen Teks Menggunakan Model Bayesian Pada Term Latent Semantic Analysis (LSA) Danang Wahyu Wicaksono; Mohammad Isa Irawan; Alvida Mustika Rukmi
Jurnal Sains dan Seni ITS Vol 3, No 2 (2014)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), ITS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (608.544 KB) | DOI: 10.12962/j23373520.v3i2.7998

Abstract

Metode Latent Semantic Analysis(LSA) adalah suatu metode yang mampu merepresentasikan hubungan antar dokumen teks melalui term serta dapat menilai kemiripan antar dokumen teks tersebut. Namun, metode LSA hanya menilai kemiripan antar dokumen teks melalui frekuensi term yang ada pada masing-masing dokumen teks sehingga mempunyai kelemahan yaitu tidak memperhatikan urutan atau tata letak term tersebut yang secara tidak langsung berpengaruh pada makna yang terkandung pada masing-masing dokumen. Oleh karena itu, digunakan model Bayesian pada term yang dihasilkan oleh LSA tersebut untuk menjaga dan memperhatikan urutan termdalam mendeteksi kemiripan antar dokumen teks sehingga struktur kalimat tetap terjaga dan mendapat hasil penilaian kemiripan antar dokumen teks yang lebih baik.Jika terdapat dua dokumen yang saling salin (copy) namun struktur kalimatnya diubah dan dibandingkan pada LSA dengan menggunakan cosine similarity maka akan didapat hasil yang sama seperti kedua dokumen ini dibandingkan tanpa perubahan struktur kalimat, sedangkan jika dibandingkan dengan menggunakan model Bayesian pada term, dokumen-dokumen yang mempunyai perbedaan struktur kalimat akan diperlakukan berbeda.
Speed Estimation On Moving Vehicle Based On Digital Image Processing Danang Wahyu Wicaksono; Budi Setiyono
(IJCSAM) International Journal of Computing Science and Applied Mathematics Vol 3, No 1 (2017)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1019.187 KB) | DOI: 10.12962/j24775401.v3i1.2117

Abstract

Along with the development of information and communication technology, the world urban people now recognize a new term called Smart City. One of Smart City components is smart transportation, known as Intelligent Transportation System (ITS) in which there is transportation management on the highway. Installation of CCTV (Closed Circuit Television) on the streets are now widely performed. It can be used to monitor conditions and detect problems such as traffic jam and vehicle speed limit violation. This research focuses on vehicle speed estimation using image processing from video data and Euclidean distance method with many different camera angles. The first step, video data is extracted into frames and applied preprocessing to extracted frames to minimize shadow effect. Then, using Gaussian Mixture Model (GMM) to extract foreground image. In the next step, the obtained foreground is filtered using median filter, shadow removing, and morphology operation. The detected vehicle object will be tracked to determine the location in each frame to estimate the speed based on its distance between frames. From the obtained results, this system is capable on estimating the speed of moving vehicle with the lowest accuracy is 87.01% and the highest accuracy is 99.38%.
F3-INTERIOR E-COMMERCE APPLICATION USING 3D VIEW WEBGL REACT THREE FIBER BASED ON ANDROID Wicaksono, Danang Wahyu; Samsudin
Sinkron : jurnal dan penelitian teknik informatika Vol. 7 No. 3 (2023): Article Research Volume 7 Issue 3, July 2023
Publisher : Politeknik Ganesha Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33395/sinkron.v8i3.12605

Abstract

The development of technology in this era is growing rapidly and has a big effect on the wearer, especially in the world of business. Buying and selling interior furniture manufacturing services is still fairly manual. With the development of information technology, the introduction of interior and exterior furniture can be done using a smartphone or personal computer. People sometimes still experience problems in choosing the right furniture and texture choices. The previous online buying and selling system also lacked the desired texture or color selection, so that orders were still fairly rigid and did not match the wishes of consumers. Based on these problems, this research created an application that can assist consumers in exploring the desired furniture, from setting the color and texture atmosphere. By using WebGl (Web Graphic Library) which makes it easier for consumers to see an overview of interior furniture in the form of a 3D (Three Dimensional) view. but WebGl itself can only be displayed via the website, so the author here will use packages that help React Three Fiber which can render WebGl on Android. The results of this study produce the output of an application that displays 3D on furniture items, which can also change the material texture or color in real-time (real).