Works matching AU Ahmad, Tohari

Results: 62

FuzzyStego: An Adaptive Steganographic Scheme Using Fuzzy Logic for Optimizing Embeddable Areas in Spatial Domain Images.

Published in:

Computers, Materials & Continua, 2025, v. 84, n. 1, p. 1031, doi. 10.32604/cmc.2025.061246

By:

Ananti, Mardhatillah Shevy;
D'Layla, Adifa Widyadhani Chanda;
Croix, Ntivuguruzwa Jean De La;
Ahmad, Tohari

Publication type:

Article

Steganographic model to conceal the secret data in audio files utilizing a fourfold paradigm: Interpolation, multi-layering, optimized sample space, and smoothing.

Published in:

Journal of Safety Science & Resilience, 2025, v. 6, n. 2, p. 138, doi. 10.1016/j.jnlssr.2024.09.004

By:

Firdaus, Daffa Tristan;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari;
Mukanyiligira, Didacienne;
Sibomana, Louis

Publication type:

Article

Reversible data hiding method by extending reduced difference expansion.

Published in:

International Journal of Advances in Intelligent Informatics, 2019, v. 5, n. 2, p. 101, doi. 10.26555/ijain.v5i2.351

By:

Syahlan, Zainal;
Ahmad, Tohari

Publication type:

Article

Steganography in Spatial Domain Images: Using Image Edge to Hide the Secret Data with a Quality Stego Image.

Published in:

Ingénierie des Systèmes d'Information, 2024, v. 29, n. 5, p. 1731, doi. 10.18280/isi.290507

By:

Raharja, I Putu Bagus Gede Prasetyo;
Arrizki, Deka Julian;
Achmad, Riki Mi'roj;
Croix, Ntivuguruzwa Jean De La;
Ahmad, Tohari

Publication type:

Article

Sensitivity of a Convolutional Neural Network for Different Pooling Layers in Spatial Domain Steganalysis.

Published in:

Ingénierie des Systèmes d'Information, 2024, v. 29, n. 4, p. 1653, doi. 10.18280/isi.290438

By:

Putra, Yoggy H.;
Triwibowo, Bayu A.;
Delenia, Erick;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari

Publication type:

Article

Analyzing ANOVA F-test and Sequential Feature Selection for Intrusion Detection Systems.

Published in:

International Journal of Advances in Soft Computing & Its Applications, 2022, v. 14, n. 2, p. 185, doi. 10.15849/IJASCA.220720.13

By:

Siraj, Muhammad Jaya;
Ahmad, Tohari;
Ijtihadie, Royyana Muslim

Publication type:

Article

Reversible Data Hiding Scheme based on General Difference Expansion Cluster.

Published in:

International Journal of Advances in Soft Computing & Its Applications, 2020, v. 12, n. 3, p. 11

By:

Ilham, Ahmad Juniar;
Ahmad, Tohari

Publication type:

Article

Enhancing the Capability of Data Hiding Method Based on Reduced Difference Expansion.

Published in:

Engineering Letters, 2018, v. 26, n. 1, p. 45

By:

Maniriho, Pascal;
Ahmad, Tohari

Publication type:

Article

Medical Record Protection with Improved GRDE Data Hiding Method on Audio Files.

Published in:

Engineering Letters, 2017, v. 25, n. 2, p. 9

By:

Andra, Muhammad Bagus;
Ahmad, Tohari;
Usagawa, Tsuyoshi

Publication type:

Article

A Scheme Based on Convolutional Neural Network and Fuzzy Logic to Identify the Location of Possible Secret Data in a Digital Image.

Published in:

International Journal on Engineering Applications, 2024, v. 12, n. 1, p. 1, doi. 10.15866/irea.v12i1.23475

By:

De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari

Publication type:

Article

Detecting Hidden Data in Images Using Convolutional Neural Networks.

Published in:

Mathematical Modelling of Engineering Problems, 2024, v. 11, n. 5, p. 1227, doi. 10.18280/mmep.110511

By:

Delenia, Erick;
Putra, Yoggy Harisusilo;
Triwibowo, Bayu Aditya;
Croix, Ntivuguruzwa Jean De La;
Ahmad, Tohari

Publication type:

Article

Enhancing Data Hiding Methods for Improved Cyber Security Through Histogram Shifting Direction Optimization.

Published in:

Mathematical Modelling of Engineering Problems, 2023, v. 10, n. 5, p. 1508, doi. 10.18280/mmep.100502

By:

Fatman, Alek Nur;
Ahmad, Tohari;
Jean De La Croix, Ntivuguruzwa;
Hossen, Md. Sagar

Publication type:

Article

Exploring the tree algorithms to generate the optimal detection system of students' stress levels.

Published in:

Indonesian Journal of Electrical Engineering & Computer Science, 2024, v. 36, n. 1, p. 548, doi. 10.11591/ijeecs.v36.i1.pp548-558

By:

Yamasari, Yuni;
Qoiriah, Anita;
Rochmawati, Naim;
Prapanca, Aditya;
Prihanto, Agus;
Suartana, I. Made;
Ahmad, Tohari

Publication type:

Article

FORENSIC ANALYSIS OF DRONE COLLISION WITH TRANSFER LEARNING.

Published in:

Jordanian Journal of Computers & Information Technology, 2023, v. 9, n. 2, p. 175

By:

Editya, Arda Surya;
Ahmad, Tohari;
Studiawan, Hudan

Publication type:

Article

Audio Data Hiding Based on Sample Value Modification Using Modulus Function.

Published in:

Journal of Information Processing Systems, 2016, v. 12, n. 3, p. 525, doi. 10.3745/JIPS.03.0054

By:

Ali Al-Hooti, Mohammed Hatem;
Djanali, Supeno;
Ahmad, Tohari

Publication type:

Article

A convolutional neural network to detect possible hidden data in spatial domain images.

Published in:

Cybersecurity (2523-3246), 2023, v. 6, n. 1, p. 1, doi. 10.1186/s42400-023-00156-x

By:

Ntivuguruzwa, Jean De La Croix;
Ahmad, Tohari

Publication type:

Article

Reversible data hiding based on histogram and prediction error for sharing secret data.

Published in:

Cybersecurity (2523-3246), 2023, v. 6, n. 1, p. 1, doi. 10.1186/s42400-023-00147-y

By:

Islamy, Chaidir Chalaf;
Ahmad, Tohari;
Ijtihadie, Royyana Muslim

Publication type:

Article

Protecting Data by Improving Quality of Stego Image based on Enhanced Reduced difference Expansion.

Published in:

International Journal of Electrical & Computer Engineering (2088-8708), 2018, v. 8, n. 4, p. 2468, doi. 10.11591/ijece.v8i4.pp2468-2476

By:

Ntahobari, Maurice;
Ahmad, Tohari

Publication type:

Article

FGT-B Model for Botnet Attack Detection Using Hybrid Analysis with Data Filtering and Aggregation Data Based on Network Traffic Flows.

Published in:

International Journal of Intelligent Engineering & Systems, 2025, v. 18, n. 1, p. 218, doi. 10.22266/ijies2025.0229.17

By:

Hostiadi, Dandy Pramana;
Darma Susila, I. Made;
Atmojo, Yohanes Priyo;
Pradipta, Gede Angga;
Ahmad, Tohari;
Rachman Putra, Muhammad Aidiel

Publication type:

Article

DualLSBStego: Enhanced Steganographic Model Using Dual-LSB in Spatial Domain Images.

Published in:

International Journal of Intelligent Engineering & Systems, 2025, v. 18, n. 1, p. 81, doi. 10.22266/ijies2025.0229.07

By:

Farzana, Aria Nalini;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari

Publication type:

Article

Enhancing Secret Data Protection Via Steganography in Images with Bits Transformation.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 6, p. 165, doi. 10.22266/ijies2024.1231.14

By:

Sitorus, Yoel Mountanus;
Chanda D'Layla, Adifa Widyadhani;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari

Publication type:

Article

Improving Prediction Error Expansion with Regression Using Mirror Embedding for Reversible ECG Steganography.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 4, p. 1146, doi. 10.22266/ijies2024.0831.85

By:

Gautama, Pramudya Tiandana Wisnu;
Ahmad, Tohari

Publication type:

Article

Data Hiding Approach to Enhance the Audio Sample Spaces Using Interpolation and Multi-layering.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 4, p. 352, doi. 10.22266/ijies2024.0831.27

By:

Firdaus, Daffa Tristan;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari;
Maniriho, Pascal;
Shiddiqi, Ary Mazharuddin;
Purwitasari, Diana

Publication type:

Article

A New Approach of Botnet Activity Detection Models Using Combination of Univariate and ANOVA Feature Selection Techniques.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 3, p. 485, doi. 10.22266/ijies2024.0630.38

By:

Hostiadi, Dandy Pramana;
Ahmad, Tohari;
Putra, Muhammad Aidiel Rachman;
Pradipta, Gede Angga;
Ayu, Putu Desiana Wulaning;
Liandana, Made

Publication type:

Article

Optimizing Feature Selection Method in Intrusion Detection System Using Thresholding.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 3, p. 214, doi. 10.22266/ijies2024.0630.18

By:

Faizin, Muhammad Arif;
Kurniasari, Dias Tri;
Elqolby, Nazhifah;
Putra, Muhammad Aidiel Rachman;
Ahmad, Tohari

Publication type:

Article

Analysis of Weight-Based Voting Classifier for Intrusion Detection System.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 2, p. 190, doi. 10.22266/ijies2024.0430.17

By:

Hasanah, Miftahul;
Putri, Rizqy Ahsana;
Putra, Muhammad Aidiel Rachman;
Ahmad, Tohari

Publication type:

Article

Botnet Attack Analysis through Graph Visualization.

Published in:

International Journal of Intelligent Engineering & Systems, 2024, v. 17, n. 1, p. 913, doi. 10.22266/ijies2024.0229.75

By:

Putra, Muhammad Aidiel Rachman;
Ahmad, Tohari;
Hostiadi, Dandy Pramana;
Ijtihadie, Royyana Muslim;
Maniriho, Pascal

Publication type:

Article

Pixel-block-based Steganalysis Method for Hidden Data Location in Digital Images.

Published in:

International Journal of Intelligent Engineering & Systems, 2023, v. 16, n. 6, p. 375, doi. 10.22266/ijies2023.1231.31

By:

De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari;
Ijtihadie, Royyana Muslim

Publication type:

Article

Feature Selection for Intrusion Detection Using Independence Level Test with an Exhaustive Approach.

Published in:

International Journal of Intelligent Engineering & Systems, 2023, v. 16, n. 5, p. 637, doi. 10.22266/ijies2023.1031.54

By:

Nururrahmah, Aulia Teaku;
Ahmad, Tohari

Publication type:

Article

Analysis of Botnet Attack Communication Pattern Behavior on Computer Networks.

Published in:

International Journal of Intelligent Engineering & Systems, 2022, v. 15, n. 4, p. 533, doi. 10.22266/ijies2022.0831.48

By:

Putra, Muhammad Aidiel Rachman;
Ahmad, Tohari;
Hostiadi, Dandy Pramana

Publication type:

Article

Minimizing Sample Space to Optimize Quality of Stego-Audio.

Published in:

International Journal of Intelligent Engineering & Systems, 2022, v. 15, n. 3, p. 205, doi. 10.22266/ijies2022.0630.17

By:

Amrulloh, Mohammad Muzayyin;
Ahmad, Tohari

Publication type:

Article

Video-based Data Hiding by Exploring Prediction Error and Histogram Shifting.

Published in:

International Journal of Intelligent Engineering & Systems, 2022, v. 15, n. 1, p. 167, doi. 10.22266/ijies2022.0228.16

By:

Fatman, Alek Nur;
Ahmad, Tohari

Publication type:

Article

Mirroring-Based Data Hiding in Audio.

Published in:

International Journal of Intelligent Engineering & Systems, 2021, v. 14, n. 5, p. 550, doi. 10.22266/ijies2021.1031.48

By:

Samudra, Yoga;
Ahmad, Tohari

Publication type:

Article

ANOVA-SVM for Selecting Subset Features in Encrypted Internet Traffic Classification.

Published in:

International Journal of Intelligent Engineering & Systems, 2021, v. 14, n. 2, p. 536, doi. 10.22266/ijies2021.0430.48

By:

Megantara, Achmad Akbar;
Ahmad, Tohari

Publication type:

Article

Enhancing Quality of the Stego Image by Using Histogram Partition and Prediction Error.

Published in:

International Journal of Intelligent Engineering & Systems, 2021, v. 14, n. 2, p. 511, doi. 10.22266/ijies2021.0430.46

By:

Islamy, Chaidir Chalaf;
Ahmad, Tohari

Publication type:

Article

Data Reduction for Optimizing Feature Selection in Modeling Intrusion Detection System.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 6, p. 199, doi. 10.22266/ijies2020.1231.18

By:

Iman, Alif Nur;
Ahmad, Tohari

Publication type:

Article

Utilizing Fuzzy Logic in Developing Reversible Data Hiding Method.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 5, p. 327, doi. 10.22266/ijies2020.1031.30

By:

Amrulloh, Mohammad Muzayyin;
Ahmad, Tohari

Publication type:

Article

Detecting Intrusions in Computer Network Traffic with Machine Learning Approaches.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 3, p. 433, doi. 10.22266/ijies2020.0630.39

By:

Maniriho, Pascal;
Mahoro, Leki Jovial;
Niyigaba, Ephrem;
Bizimana, Zephanie;
Ahmad, Tohari

Publication type:

Article

Improving the Performance of Data Hiding by Designing Three Samples-based Smoothing in Audio.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 2, p. 196, doi. 10.22266/ijies2020.0430.19

By:

Setiawan, Ryan;
Ahmad, Tohari

Publication type:

Article

Analyzing the Performance of Intrusion Detection Model Using Weighted One-Against-One Support Vector Machine and Feature Selection for Imbalanced Classes.

Published in:

International Journal of Intelligent Engineering & Systems, 2020, v. 13, n. 2, p. 151, doi. 10.22266/ijies2020.0430.15

By:

Setiawan, Bambang;
Djanali, Supeno;
Ahmad, Tohari

Publication type:

Article

Improving the Quality of Stego Image Using Prediction Error and Histogram Modification.

Published in:

International Journal of Intelligent Engineering & Systems, 2019, v. 12, n. 5, p. 95, doi. 10.22266/ijies2019.1031.10

By:

Islamy, Chaidir Chalaf;
Ahmad, Tohari

Publication type:

Article

Increasing Accuracy and Completeness of Intrusion Detection Model Using Fusion of Normalization, Feature Selection Method and Support Vector Machine.

Published in:

International Journal of Intelligent Engineering & Systems, 2019, v. 12, n. 4, p. 378, doi. 10.22266/ijies2019.0831.35

By:

Setiawan, Bambang;
Djanali, Supeno;
Ahmad, Tohari

Publication type:

Article

Cluster Analysis-Based Approach Features Selection on Machine Learning for Detecting Intrusion.

Published in:

International Journal of Intelligent Engineering & Systems, 2019, v. 12, n. 4, p. 233, doi. 10.22266/ijies2019.0831.22

By:

Aziz, Mohammad Nasrul;
Ahmad, Tohari

Publication type:

Article

Reversible Data Hiding in Audio Based on Discrete Cosine Transform and Location Maps.

Published in:

International Journal of Intelligent Engineering & Systems, 2019, v. 12, n. 3, p. 41, doi. 10.22266/ijies2019.0630.05

By:

Al-Hooti, Mohammed Hatem Ali;
Ahmad, Tohari

Publication type:

Article

B-CAT: a model for detecting botnet attacks using deep attack behavior analysis on network traffic flows.

Published in:

Journal of Big Data, 2024, v. 11, n. 1, p. 1, doi. 10.1186/s40537-024-00900-1

By:

Putra, Muhammad Aidiel Rachman;
Ahmad, Tohari;
Hostiadi, Dandy Pramana

Publication type:

Article

A hybrid machine learning method for increasing the performance of network intrusion detection systems.

Published in:

Journal of Big Data, 2021, v. 8, n. 1, p. 1, doi. 10.1186/s40537-021-00531-w

By:

Megantara, Achmad Akbar;
Ahmad, Tohari

Publication type:

Article

Fuzzy MADM Approach for Rating of Process-Based Fraud.

Published in:

Journal of ICT Research & Applications, 2015, v. 9, n. 2, p. 111, doi. 10.5614/itbj.ict.res.appl.2015.9.2.1

By:

Huda, Solichul;
Sarno, Riyanarto;
Ahmad, Tohari

Publication type:

Article

Hybrid GAN-LSTM for Enhancing DDoS Detection on Imbalance Dataset.

Published in:

International Journal of Safety & Security Engineering, 2025, v. 15, n. 1, p. 189, doi. 10.18280/ijsse.150120

By:

Edo, Gregorius;
Ahmad, Tohari;
Putra, Muhammad Aidiel Rachman

Publication type:

Article

Convolutional Neural Network to Detect the Secret Data in the Spatial Domain Images.

Published in:

International Journal of Safety & Security Engineering, 2024, v. 14, n. 6, p. 1707, doi. 10.18280/ijsse.140606

By:

Triwibowo, Bayu Aditya;
Delenia, Erick;
Putra, Yoggy Harisusilo;
Croix, Ntivuguruzwa Jean De La;
Ahmad, Tohari

Publication type:

Article

Data Hiding Scheme for Spatial Domain Images Using Fuzzy Logic and Modulus Operation.

Published in:

International Journal of Safety & Security Engineering, 2024, v. 14, n. 5, p. 1495, doi. 10.18280/ijsse.140517

By:

Achmad, Riki Mi’roj;
Arrizki, Deka Julian;
Prasetyo Raharja, I Putu Bagus Gede;
De La Croix, Ntivuguruzwa Jean;
Ahmad, Tohari

Publication type:

Article