Ruji P. Medina

74 papers C 2Journal 7Unranked 65
YearRankTypeTitle / Venue / Authors
2024 — conf
A Vigenere-6S-Substitution-2S-Transposition Encryption Algorithm for Invisible Watermarking.
ICIT
Sugar Mae Tenedero Galeza, Ariel M. Sison, Ruji P. Medina
2024 — conf
Active Learning with Adaptive Reinforcement for Informative Sample Selection in Few-Shot Image Classification.
ITCC
Jassiel I. Padios, Bobby D. Gerardo, Ruji P. Medina
2024 — conf
Blinded RSA: A Proposed Solution for Factorization and Side-Channel Attacks.
ICIT
Dominador Montante Acasamoso, Ariel M. Sison, Ruji P. Medina
2024 — conf
Coral Health Assessment Using Modified Inception V3 and DenseNet 121.
ICTC
Jason S. Artates, John Joel Martinez, Ruji P. Medina, Vivian O. Ecunar
2024 — conf
CryptoStego: Enhancing RSA with Optimize RC4 for Audio Steganography.
ICTC
Paul Joseph M. Estrera, Ariel M. Sison, Ruji P. Medina
2024 — conf
Decoding Sentiment: An Enhanced PCA in Tagalog Speech Using Prosodic Suprasegmental Features.
ICTC
Ailen B. Garcia, Bobby D. Gerardo, Ruji P. Medina
2024 — conf
Deep Learning-Based Coral Reef Health Assessment Using Modified Inception V3.
ICTC
Jason S. Artates, Jonathan V. Taylar, Ruji P. Medina
2024 — conf
Enhancing Data Security with RSA-SHA 256: Mitigating Timing Attacks.
ICTC
Dominador Montante Acasamoso, Ariel M. Sison, Ruji P. Medina
2024 — conf
Enhancing RSA with Modified RC4 Using Optimize Symmetric Random Function Generator.
ICTC
Paul Joseph M. Estrera, Ariel M. Sison, Ruji P. Medina
2024 — conf
Improved Adam Optimizer with Warm-Up Strategy and Hyperbolic Tangent Function for Employee Turnover Prediction Using Multilayer Perceptron (MLP).
ICTC
Archie O. Pachica, Arnel C. Fajardo, Ruji P. Medina
2024 — conf
Modified DenseNet-121 with Transfer Learning Approach for Classifying Oral Conditions.
ICTC
Daryl John C. Ragadio, Jonathan V. Taylar, Ruji P. Medina
2024 — conf
MouthCare: AI Powered Mobile Application for Oral Disease Classification Using an Optimized DenseNet-121 Model.
ICTC
Daryl John C. Ragadio, John Joel Martinez, Ruji P. Medina
2024 — conf
Optimized Sentiment Analysis in Tagalog Speech Using PCA and BRNN on Prosodic Suprasegmental and MFCC Features.
ICTC
Ailen B. Garcia, Bobby D. Gerardo, Ruji P. Medina
2024 — conf
Optimizing AES-256 with Keccak Permutations: Achieving High Security and Performance with Reduced Rounds.
ICTC
Ma. Esther B. Chio, Ariel M. Sison, Ruji P. Medina
2024 — conf
Optimizing Feature Extraction with Multi-Variant Bidirectional PCA for 2D Image Analysis.
ICTC
Jocelyn L. Garrido, Ariel M. Sison, Ruji P. Medina
2024 — conf
Performance Analysis of a Hybrid Self-Sufficient Coverless Video Steganography Method for IoT Applications.
ITCC
Al-Monte Vince M. Calo, Fredilyn B. Calanda, Ruji P. Medina
2024 — conf
Performance Evaluation of Enhanced DCGAN s for Detecting Deepfake Audio Across Selected FoR Datasets.
ICTC
Jovelin M. Lapates, Bobby D. Gerardo, Ruji P. Medina
2024 — conf
Spectrogram-Based Analysis and Detection of Deepfake Audio Using Enhanced DCGANs for Secure Content Distribution.
ICTC
Jovelin M. Lapates, Bobby D. Gerardo, Ruji P. Medina
2024 J jnl
Time Series Forecasting of HIV/AIDS in the Philippines Using Deep Learning: Does COVID-19 Epidemic Matter?
CoRR
Sales G. Aribe Jr., Bobby D. Gerardo, Ruji P. Medina
2023 — conf
COVID-19 Outbreaks Effect on Air Quality Index: Evidence from Enhanced Artificial Neural Network.
ICCCS
Mary Joy D. Viñas, Bobby D. Gerardo, Ruji P. Medina, Mark Jovic A. Daday
2023 — conf
Twitter Sentiment Analysis with Maximum Entropy and Naive Bayes Using N -gram Approach.
ICIMTech
Guilbert Nicanor A. Atillo, Bobby D. Gerardo, Ruji P. Medina
2021 — conf
Multilayer Security for Facial Authentication to Secure Text Files.
IntelliSys (3)
Jeffrey Tagoc, Ariel M. Sison, Ruji P. Medina
2020 — conf
Cryptanalysis of the Modified SHA256.
HPCCT/BDAI
Dan Michael A. Cortez, Ariel M. Sison, Ruji P. Medina
2020 — conf
Cryptographic Randomness Test of the Modified Hashing Function of SHA256 to Address Length Extension Attack.
ICCBN
Dan Michael A. Cortez, Ariel M. Sison, Ruji P. Medina
2020 — conf
Extended PrefixSpan for Efficient Sequential Pattern Mining in a Game-based Learning Environment.
APIT
Raymond S. Bermudez, Ariel M. Sison, Ruji P. Medina
2020 — conf
Fuzzy Rule Based Inference System in Patient Diagnosis of Breast Tumor in Fine Needle Aspiration.
BDET
Mylene J. Domingo, Bobby D. Gerardo, Ruji P. Medina
2020 J jnl
Internet Security Awareness of Filipinos: A Survey Paper.
CoRR
Challiz D. Omorog, Ruji P. Medina
2020 — conf
LSB Substitution Image Steganography Based on Randomized Pixel Selection and One-Time Pad Encryption.
BDSIC
Manocher C. Alipour, Bobby D. Gerardo, Ruji P. Medina
2019 J jnl
A Distance-Based Data-Mule Scheduling Technique for Lesser Nodal Delay in Wireless Sensor Network.
Int. J. Commun. Networks Inf. Secur.
Felomino Porras Alba, Enrique D. Festijo, Ruji P. Medina
2019 — conf
A Modified Least Significant Bit Randomized Embedding Method based on Image Partitioning and Columnar Transposition with Encryption.
ICCBD
Fredilyn B. Calanda, Ariel M. Sison, Mark Rennel D. Molato, Ruji P. Medina
2019 — conf
A Secure Image Encryption Architecture Based on Pseudorandom Number Generator and Chaotic Logistic Map.
DSIT
Manocher C. Alipour, Bobby D. Gerardo, Ruji P. Medina
2019 — conf
A Secure Key Scheduling Operation for International Data Encryption Algorithm using Serpent Key Schedule Operation.
ICCBD
Gerald T. Cayabyab, Ariel M. Sison, Ruji P. Medina
2019 — conf
A Secured RFID Lightweight Authentication Protocol based on Elliptic Curve Cryptography using modified PRNG Algorithm.
ICCBD
Domingo V. Origines Jr., Ariel M. Sison, Ruji P. Medina
2019 — conf
Aggregating Filter Feature Selection Methods to Enhance Multiclass Text Classification.
ICIT
Rhodessa J. Cascaro, Bobby D. Gerardo, Ruji P. Medina
2019 — conf
An Enhanced Recommendation Algorithm Based on Modified User-Based Collaborative Filtering.
ICCCS
Ramil G. Lumauag, Ariel M. Sison, Ruji P. Medina
2019 — conf
An XBOX-based key generation technique for vigenere algorithm.
ICCSP
Daniel A. Neri, Ruji P. Medina, Ariel M. Sison
2019 — conf
Application of the Modified Imputation Method to Missing Data to Increase Classification Performance.
ICCCS
Elenita T. Capariño, Ariel M. Sison, Ruji P. Medina
2019 — conf
Centroid 360: An Enhanced Centroid Initialization Method for K Means Algorithm.
DSIT
Jovy Jay D. Cabrera, Ariel M. Sison, Ruji P. Medina
2019 — conf
ERC5a - An Enhanced RC5 Algorithm on Bit Propagation in the Encryption Function.
ICCCS
Jayvee Christopher N. Vibar, Ruji P. Medina, Ariel M. Sison
2019 — conf
Enhancing Feed-Forward Neural Network in Image Classification.
ICCBD
Mark Jovic A. Daday, Arnel C. Fajardo, Ruji P. Medina
2019 — conf
Filter Selection Methods for Multiclass Classification.
ICCBD
Rhodessa J. Cascaro, Bobby D. Gerardo, Ruji P. Medina
2019 — conf
Fuzzy decision tree for breast cancer prediction.
AISS
Mylene J. Domingo, Bobby D. Gerardo, Ruji P. Medina
2019 — conf
Handling Imbalanced Data through Affinity Propagation and SMOTE.
ICCBD
Lanie B. Laureano, Ariel M. Sison, Ruji P. Medina
2019 — conf
Implementation and Performance Assessment of Enhanced RC5 Cryptosystem Applied to Different File Types.
ICSET
Jayvee Christopher N. Vibar, Ariel M. Sison, Ruji P. Medina
2019 — conf
Implementation of Enhanced MD5 Algorithm using SSL to Ensure Data Integrity.
ICMLSC
Larry B. de Guzman, Ariel M. Sison, Ruji P. Medina
2019 — conf
Implementation of Enhanced Secure Hash Algorithm Towards a Secured Web Portal.
ICCCS
Froilan E. De Guzman, Bobby D. Gerardo, Ruji P. Medina
2019 — conf
Modifying Bit-Level Data Compression Scheme based on Adaptive Hamming Code Data Compression Algorithm.
MAPR
Harwin C. Mendoza, Ariel M. Sison, Ruji P. Medina
2019 — conf
Multi-class Document Classification Using Improved Word Embeddings.
ICCBD
Benedict A. Rabut, Arnel C. Fajardo, Ruji P. Medina
2019 — conf
Multidimensional key RC6 algorithm.
ICCSP
Rommel Evan J. Paje, Ariel M. Sison, Ruji P. Medina
2019 — conf
Performance Analysis of the Modified Generated S-Box for Advanced Encryption Standards.
DSIT
Ronielle B. Antonio, Ariel M. Sison, Ruji P. Medina
2019 — conf
Relocating Local Outliers Produced by Partitioning Methods.
ICCBD
Rogelio O. Badiang Jr., Bobby D. Gerardo, Ruji P. Medina
2019 — conf
Solving Dietary Planning Problem using Particle Swarm Optimization with Genetic Operators.
ICMLSC
Edmarlyn Porras, Arnel C. Fajardo, Ruji P. Medina
2018 C conf
A Hybrid Prediction Model Integrating a Modified Genetic Algorithm to K-means Segmentation and C4.5.
TENCON
Markdy Y. Orong, Ariel M. Sison, Ruji P. Medina
2018 — conf
A Modified Approach of Blowfish Algorithm Based On S-Box Permutation using Shuffle Algorithm.
ICNCC
Reynaldo R. Corpuz, Bobby D. Gerardo, Ruji P. Medina
2018 — conf
A New Advanced Encryption Standard-Butterfly Effect in Protecting Image of Copyright Piracy.
ICIT
Hidear Talirongan, Ariel M. Sison, Ruji P. Medina
2018 J jnl
A New Approach in Expanding the Hash Size of MD5.
Int. J. Commun. Networks Inf. Secur.
Esmael Verano Maliberan, Ariel M. Sison, Ruji P. Medina
2018 — conf
A Novel Feature Hashing With Efficient Collision Resolution for Bag-of-Words Representation of Text Data.
NLPIR
Bobby A. Eclarin, Arnel C. Fajardo, Ruji P. Medina
2018 — conf
A Novel Learning Rate Decay Function of Kohonen Self-Organizing Maps Using the Exponential Decay Average Rate of Change for Image Clustering.
NLPIR
Edwin F. Galutira, Arnel C. Fajardo, Ruji P. Medina
2018 — conf
A hybrid approach towards improved artificial neural network training for short-term load forecasting.
DSIT
Cielito C. Olegario, Andrei D. Coronel, Ruji P. Medina, Bobby D. Gerardo
2018 — conf
An MD5-Hirose Hashing Algorithm for Digital Image Watermarking.
ICIT
Florence Jean B. Talirongan, Ariel M. Sison, Ruji P. Medina
2018 — conf
Application of enhanced expectation maximization (EnEM) algorithm for image segmentation.
DSIT
Maria Lolita G. Masangcap, Ariel M. Sison, Ruji P. Medina
2018 — conf
Automated Teller Machines Location's Information Retrieval Search Engine Using Suffix Tree Clustering Technique.
NLPIR
Gil L. Fabon, Arnel C. Fajardo, Ruji P. Medina
2018 J jnl
Bandwidth Allocation Mechanism based on Users' Web Usage Patterns for Campus Networks.
Int. J. Commun. Networks Inf. Secur.
Rolysent Paredes, Ariel M. Sison, Ruji P. Medina
2018 C conf
Classification of Plant Seedling Images Using Deep Learning.
TENCON
Catherine R. Alimboyong, Alexander A. Hernandez, Ruji P. Medina
2018 — conf
Enhanced RC6 permutation-diffusion operation for image encryption.
DSIT
Catherine Bhel B. Aguila, Ariel M. Sison, Ruji P. Medina
2018 — conf
Enhanced Satellite Imaging Algorithm Classifier using Convolutional Neural modified Support Vector Machine (CNMSVM).
ICVIP
Edgar Bryan B. Nicart, Tony Y. T. Chan, Ruji P. Medina
2018 — conf
Enhancing Inverse Ant Algorithm using Path Elimination Rules.
ICNCC
Jaymer M. Jayoma, Bobby D. Gerardo, Ruji P. Medina
2018 — conf
ICD-9 Tagging of Clinical Notes Using Topical Word Embedding.
ICIEB
Mary Jane C. Samonte, Bobby D. Gerardo, Arnel C. Fajardo, Ruji P. Medina
2018 — conf
Implementation of GA-Based Feature Selection in the Classification and Mapping of Disaster-Related Tweets.
NLPIR
Ian P. Benitez, Ariel M. Sison, Ruji P. Medina
2018 J jnl
Securing One Time Password (OTP) for Multi-Factor Out-of-Band Authentication through a 128-bit Blowfish Algorithm.
Int. J. Commun. Networks Inf. Secur.
Ariel Roy L. Reyes, Enrique D. Festijo, Ruji P. Medina
2018 — conf
Towards academic affect modeling through experimental hybrid gesture recognition algorithm.
DSIT
Mideth B. Abisado, Bobby D. Gerardo, Larry A. Vea, Ruji P. Medina
2018 — conf
Using a Modified Approach of Blowfish Algorithm for Data Security in Cloud Computing.
ICIT
Reynaldo R. Corpuz, Bobby D. Gerardo, Ruji P. Medina
2017 J jnl
A Unique One-Time Password Table Sequence Pattern Authentication: Application to Bicol University Union of Federated Faculty Association, Inc. (BUUFFAI) eVoting System.
CoRR
Benedicto B. Balilo Jr., Bobby D. Gerardo, Ruji P. Medina, Yung-Cheol Byun
2017 — conf
Towards enhanced hierarchical attention networks in ICD-9 tagging of clinical notes.
ICCIP
Mary Jane C. Samonte, Bobby D. Gerardo, Ruji P. Medina