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All Journal Jurnal Hilirisasi Technology kepada Masyarakat (SITECHMAS) Jurnal INFOTEL
Astrie Kusuma Dewi
Politeknik Energi dan Mineral Akamigas
Computer Science & IT Electrical & Electronics Engineering Social Sciences

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Alat Deteksi Kebocoran Gas Rumah Tangga Berbasis Internet of Things Astrie Kusuma Dewi; Asepta Surya Wardhana; Akbar Pratama; Wijaya Adi Nugraha
Jurnal Hilirisasi Technology kepada Masyarakat (SITECHMAS) Vol 2, No 2 (2021): Vol. 2 No. 2 Oktober 2021
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (435.108 KB) | DOI: 10.32497/sitechmas.v2i2.2583

Abstract

Teknologi yang berkembang pesat menghasilkan inovasi-inovasi baru yang mampu membantu memudahkan pekerjaan manusia. Dan saat ini semua informasi dapat diakses dengan mudah dan cepat dan menghasilkan data yang akurat. Inilah salh satu konsep dari Internet of thins, yaitu segala hal yang terhubung dengan internet. Dari sinilah ide awal tersebut muncul. Dengan adanya kasus kebakaran rumah yang disebabkan oleh kebocoran gas rumah tangga. Maka terciptalah alat ini, yang bekerja dengan memanfaatkan jaringan dari internet. Alat ini mampu ngirimkan sinyal ke telepon pintar (smartphone) kita, saat terjadi kebocoran gas rumah tangga.
Foveal Avascular Zone Image Encryption Using Pixel Scrambling Combination Technique for Medical Image Security Dewi Purnamasari; Didin Herlinudinkhaji; Astrie Kusuma Dewi; Muhammad Zairon Mauludin
JURNAL INFOTEL Vol 16 No 1 (2024): February 2024 (In Press)
Publisher : LPPM INSTITUT TEKNOLOGI TELKOM PURWOKERTO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20895/infotel.v16i1.1029

Abstract

Data theft from year to year has increased in the era of big data and society 5.0. One area that requires data security is patient medical data. Medical image data security must be done to protect medical data security from data theft by third parties so that they cannot access the data. The development of Diabetic Retinopathy (DR) is also increasing every year. Determining the severity of DR is done by detecting the Foveal Avascular Zone (FAZ). Encryption is the process of changing a plain image into a cipher image. In this study, we compared the results of image quality and encryption time between the Vigenere Cipher method and a combination of pixel scrambling. The average encryption time of the tested FAZ images is 3.20 seconds. This result proves that the pixel combination method has a faster encryption time than the Vigenere Cipher. Vigenere Cipher encryption time is 4.96 seconds. The existence of the FAZ area with the pixel combination randomization method of the encryption process is also invisible, so third parties will not know about its existence.
Co-Authors Akbar Pratama Asepta Surya Wardhana Dewi Purnamasari Didin Herlinudinkhaji, Didin Muhammad Zairon Mauludin Wijaya Adi Nugraha