Get Started

Christy Atika Sari, M.Kom

Dosen Teknik Informatika

Fakultas Ilmu Komputer, Universitas Dian Nuswantoro, Kota Semarang

atika.sari@dsn.dinus.ac.id 

Penelitian dan Pengabdian Eksternal

  1. 2022 – SISTEM PENINGKATAN MUATAN LOKAL PENDIDIKAN SISWA KOTA SEMARANG MELALUI MOBILE VISUAL TO SPEECH AKSARA JAWA
  2. 2021 – Sistem Peningkatan Muatan Lokal Pendidikan Siswa Kota Semarang melalui Aplikasi Mobile Visual to Speech Aksara Jawa
  3. 2021 – Digitalisasi Proses Pengembangan Usaha Kuliner dalam Pemasaran di Dunia Internet Marketing
  4. 2016 – KEAMANAN DATA UNTUK MENCEGAH PENCURIAN INFORMASI PADA SEMUA EKSTENSI FILE DENGAN OPTIMASI ALGORITMA VERNAM CHIPER

Penelitian dan Pengabdian Internal

  1. 2023 – Optimasi Polyalfabeth Cipher Menggunakan Perulangan Fibonanci Untuk Meningkatkan Aspek Imperceptibility
  2. 2022 – Aplikasi Machine Learning Berbasis SVM untuk Multiclass Identifikasi Bunga pada Industri Bunga Potong 2021 – DIGITALISASI PEMASARAN DAN PEMBUDIDAYAAN IKAN HIAS CUPANG PADA UMKM “CUPANG MANIA”
  3. 2021 – APLIKASI SEKURITI MENGGUNAKAN CBC-LSB BERBASIS KOORDINAT PENYISIPAN PESAN CITRA

Pengalaman Penulisan Artikel Ilmiah Dalam Jurnal

  1. 2024 – Comparative Study of Machine Learning Algorithms for Performing Ham or Spam Classification in SMS. Scientific Journal of Informatics 11 (1), 177-186
  2. 2024 – KOMPARASI WATERMARKING DENGAN LIFTING WAVELET TRANSFORM DAN DISCTERE WAVELET TRANSFORM. Jurnal Mnemonic 7 (1), 10-18
  3. 2024 – OPTIMASI INVISIBLE WATERMARKING METODE DCT BERBASIS SVD PADA CITRA BERWARNA. Semnas Ristek (Seminar Nasional Riset dan Inovasi Teknologi) 8 (01)
  4. 2024 – PERFORMA CONVOLUTIONAL NEURAL NETWORK DALAM DEEP LAYERS RESNET-50 UNTUK KLASIFIKASI MRI TUMOR OTAK. Semnas Ristek (Seminar Nasional Riset dan Inovasi Teknologi) 8 (01)
  5. 2024 – KLASIFIKASI TERUMBU KARANG MENGGUNAKAN CNN MOBILENET. Semnas Ristek (Seminar Nasional Riset dan Inovasi Teknologi) 8 (01)
  6. 2024 – OTOMATISASI SISTEM KONTROL TUMBUH KEMBANG TOGA (TANAMAN OBAT KELUARGA) BERBASIS FUZZY C-MEANS. Semnas Ristek (Seminar Nasional Riset dan Inovasi Teknologi) 8 (01) 2024 – A Comparative Study of Javanese Script Classification with GoogleNet, DenseNet, ResNet, VGG16 and VGG19. Scientific Journal of Informatics 11 (1), 31-40
  7. 2024 – Text and Image Encryption Using Symmetric Cryptography Ron Rivest Cipher 2 (RC2). Sinkron: jurnal dan penelitian teknik informatika 9 (1), 10-19
  8. 2024 – Imperceptible and Robust Encryption: Salsa20 Stream Cipher for Colour Image Data. Sinkron: jurnal dan penelitian teknik informatika 9 (1), 221-229
  9. 2024 – A Good Evaluation Based on Confusion Matrix for Lung Diseases Classification using Convolutional Neural Networks. Advance Sustainable Science, Engineering and Technology (ASSET) 6 (1), 0240102
  10. 2024 – High-Quality Evaluation for Invisible Watermarking Based on Discrete Cosine Transform (DCT) and Singular Value Decomposition (SVD). Advance Sustainable Science, Engineering and Technology (ASSET) 6 (1), 024010
  11. 2023 – Membangun Media Pembelajaran Animasi 3D dengan Plotagon untuk Guru SMA-SMK. Jurnal Nasional Pengabdian Masyarakat Ilmu Komputer (JNPMIK) 2 (2), 73-80
  12. 2023 – Improved Javanese script recognition using custom model of convolution neural network. International Journal of Electrical & Computer Engineering (2088-8708) 13 (6)
  13. 2023 – Lovebird image classification based on convolutional neural network. Teknika: Jurnal Sains dan Teknologi 19 (2)
  14. 2023 – Discrete Cosine Transform and Singular Value Decomposition Based on Canny Edge Detection for Image Watermarking. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
  15. 2023 – Testing Data Security Using a Vigenere Cipher Based on the QR Code. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
  16. 2023 – A Good Performance of Convolutional Neural Network Based on AlexNet in Domestic Indonesian Car Types Classification. Advance Sustainable Science, Engineering and Technology (ASSET) 5 (3), 0230302
  17. 2023 – Milkfish Freshness Classification Using Convolutional Neural Networks Based on Resnet50 Architecture. Advance Sustainable Science, Engineering and Technology (ASSET) 5 (3), 0230304
  18. 2023 – A Combination of Vigenere Cipher and Advanced Encryption Standard for Image Security. Advance Sustainable Science, Engineering and Technology (ASSET) 5 (3), 0230305
  19. 2023 – Mangrove Tree Species Classification Based on Leaf, Stem, and Seed Characteristics Using Convolutional Neural Networks with K-Folds Cross Validation Optimalization. Advance Sustainable Science, Engineering and Technology (ASSET) 5 (3), 02303011
  20. 2023 – PNEUMONIA PREDICTION USING CONVOLUTIONAL NEURAL NETWORK. Jurnal Teknik Informatika (Jutif) 4 (5), 1217-1226
  21. 2023 – Bounding Box and Thresholding in Optical Character Recognition for Car License Plate Recognition. Sinkron: jurnal dan penelitian teknik informatika 8 (4), 2716-2726
  22. 2023 – Ambon Banana Maturity Classification Based On Convolutional Neural Network (CNN). Sinkron: jurnal dan penelitian teknik informatika 8 (4), 2568-2578
  23. 2023 – An Evaluation of Number of Pixels Change Rate (NPCR) in Symetric Cryptography Based on Data Encryption Standard (DES). 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  24. 2023 – A Comparison of Multi Class Support Vector Machine vs Deep Convolutional Neural Network for Brain Tumor Classification. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  25. 2023 – AlexNet Architecture Based Convolution Neural Network for Realtime Audio to Text Translator of Bisindo Hand Sign. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  26. 2023 – Early Detection and Classification of Melanoma Based on Android MobileNet V2 Convolutional Neural Network. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  27. 2023 – Citrus Limon L. Ripeness Identification Using Feature Extraction of Mean RGB, HSV, LBP and K-Nearest Neighbor. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  28. 2023 – Javanese Script Single Letters Classification using GoogLeNet Architecture and Adam Optimizer Based on Convolutional Neural Networks (CNN). 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  29. 2023 – White Bread Mold Detection using K-Means Clustering Based on Grey Level Co-Occurrence Matrix and Region of Interest. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  30. 2023 – Hybrid Encryption Based on Fernet and Rivest Shamir Adleman (RSA). 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  31. 2023 – Mammogram Breast Cancer Classification Based on Deep-Convolutional Neural Network. 2023 International Seminar on Application for Technology of Information and Communication (iSemantic)
  32. 2023 – Handwritten Javanese script recognition method based 12-layers deep convolutional neural network and data augmentation. Int J Artif Intell ISSN 2252 (8938), 1449
  33. 2023 – Crypto-Stegano Color Image Based on Rivest Cipher 4 (RC4) and Least Significant Bit (LSB). Journal of Applied Intelligent System 8 (2), 216-226
  34. 2023 – Analysis of Time Optimization for Watermark Image Quality Using Run Length Encoding Compression. Journal of Intelligent Computing and Health Informatics (JICHI) 4 (2), 35-40
  35. 2023 – Klasifikasi Citra Mengkudu Berdasarkan Perhitungan Jarak Piksel pada Algoritma K-Nearest Neighbour. Infotekmesin 14 (2), 200-207
  36. 2023 – Capital Optical Character Recognition Using Neural Network Based on Gaussian Filter. M Doheir Scientific Journal of Informatics 10 (3), 261-270
  37. 2023 – High PSNR Using Fibonacci Sequences in Classical Cryptography and Steganography Using LSB. International Journal of Intelligent Engineering & Systems 16 (4)
  38. 2023 – Kinetik’s policies update. APMBB Web. Universitas 8 (2) 2023 – Medical Image Watermarking Using Slantlet Transform and Particle Swarm Optimization. International Conference On Innovative Computing And Communication, 741-751
  39. 2022 – KEY PERFORMANCE INDICATOR TOWER 4G L1800 PADA JARINGAN TELKOMSEL KOTA SEMARANG MENGGUNAKAN DECISION TREE C4. 5. Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer 13 (1), 45-58
  40. 2022 – PENGARUH LINEAR BINARY PATTERN (LBP) DALAM PENGENALAN CITRA AKSARA JAWA BERBASIS OPTICAL CHARACTER RECOGNITION (OCR). Seminar Nasional Teknologi dan Multidisiplin Ilmu (SEMNASTEKMU) 2 (1), 23-30
  41. 2022 – CONVOLUTIONAL NEURAL NETWORK DALAM SISTEM DETEKSI HELM PADA PENGENDARA MOTOR. Seminar Nasional Teknologi dan Multidisiplin Ilmu (SEMNASTEKMU) 2 (1), 91-99
  42. 2022 – Kombinasi Vigenere dan Autokey Cipher dalam Proses Proteksi SMS Berbasis Android. Prosiding Seminar Sains Nasional dan Teknologi 12 (1), 492-498
  43. 2022 – Remove Blur Image Using Bi-Directional Akamatsu Transform and Discrete Wavelet Transform. Scientific Journal of Informatics 9 (2), 179-188
  44. 2022 – E-Market Dalam Peningkatan Ekonomi UMKM Cupang Mania di Masa Pandemi. Jurnal Nasional Pengabdian Masyarakat Ilmu Komputer (JNPMIK) 1 (1), 7-12
  45. 2022 – Javanese Character Recognition Based on K-Nearest Neighbor and Linear Binary Pattern Features. Kinetik: Game Technology, Information System, Computer Network, Computing, Electronics, and Control
  46. 2022 – An Enhancement of DES, AES Based on Imperceptibility Along With LSB. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  47. 2022 – Landsat Image Classification Based on K-Nearest Neighbor. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  48. 2022 – Cholesterol detection through Iris using Daugman’s and GLCM based on K-means clustering. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  49. 2022 – An Improved Handwritten Javanese Script Recognition using Adaptive Threshold and Multi-Feature Extraction. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  50. 2022 – Super Encryption Video Cryptography: Combination of Vigenere Cipher and Myszkowski Transposition. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  51. 2022 – Long Short-Term Memory Algorithm for Stock Price Prediction. 2022 International Seminar on Application for Technology of Information and Communication (iSemantic)
  52. 2022 – Expert System for Diagnosing Potential Diabetes Attacks Using the Fuzzy Tsukamoto. Journal of Applied Intelligent System 7 (2), 146-161
  53. 2022 – Sentiment Analyst on Twitter Using the K-Nearest Neighbors (KNN) Algorithm Against Covid-19 Vaccination. Journal of Applied Intelligent System 7 (2), 135-145
  54. 2022 – Visitor Prediction Decision Support System at Dieng Tourism Objects Using the K-Nearest Neighbor Method. Journal of Applied Intelligent System 7 (2), 183-192
  55. 2022 – GABUNGAN ADVANCED ENCRYPTION STANDARD DAN VIGENERE CIPHER UNTUK PENGAMANAN DOKUMEN DIGITAL. Jurnal Informatika Polinema 8 (4), 1-8
  56. 2022 – Klasifikasi Bunga Mawar Menggunakan KNN dan Ekstraksi Fitur GLCM dan HSV. SKANIKA: Sistem Komputer dan Teknik Informatika 5 (2), 145-156
  57. 2022 – Klasifikasi Kualitas Buah Melinjo Menggunakan K-NN. Prosiding Seminar Nasional Teknologi Informasi dan Bisnis, 198-202
  58. 2022 – Peningkatan Kemampuan Belajar Muatan Lokal Siswa Melalui Aplikasi Pengenalan Wayang. ABDIMASKU: JURNAL PENGABDIAN MASYARAKAT 5 (1), 1-7
  59. 2022 – Internet Marketing dan Sosial Networking Untuk Media Promosi Produk Kuliner UMKM “DJOKOWI”. Abdimasku: Jurnal Pengabdian Masyarakat 5 (1), 8-14
  60. 2022 – Kombinasi Least Significant Bit (LSB-1) Dan Rivest Shamir Adleman (RSA) Dalam Kriptografi Citra Warna. Jurnal Masyarakat Informatika 13 (1), 45-58