Ruji P. Medina

Publication Activity (10 Years)

Years Active: 2017-2024
Publications (10 Years): 54

Top Topics

Image Encryption

Least Significant Bit

Hashing Algorithm

Feature Selection

Top Venues

Publications

Sales G. Aribe Jr., Bobby D. Gerardo, Ruji P. Medina
Time Series Forecasting of HIV/AIDS in the Philippines Using Deep Learning: Does COVID-19 Epidemic Matter? CoRR (2024)
Mary Joy D. Viñas, Bobby D. Gerardo, Ruji P. Medina, Mark Jovic A. Daday
COVID-19 Outbreaks Effect on Air Quality Index: Evidence from Enhanced Artificial Neural Network. ICCCS (2023)
Guilbert Nicanor A. Atillo, Bobby D. Gerardo, Ruji P. Medina
Twitter Sentiment Analysis with Maximum Entropy and Naive Bayes Using N -gram Approach. ICIMTech (2023)
Jeffrey Tagoc, Ariel M. Sison, Ruji P. Medina
Multilayer Security for Facial Authentication to Secure Text Files. IntelliSys (3) (2021)
Raymond S. Bermudez, Ariel M. Sison, Ruji P. Medina
Extended PrefixSpan for Efficient Sequential Pattern Mining in a Game-based Learning Environment. APIT (2020)
Mylene J. Domingo, Bobby D. Gerardo, Ruji P. Medina
Fuzzy Rule Based Inference System in Patient Diagnosis of Breast Tumor in Fine Needle Aspiration. BDET (2020)
Manocher C. Alipour, Bobby D. Gerardo, Ruji P. Medina
LSB Substitution Image Steganography Based on Randomized Pixel Selection and One-Time Pad Encryption. BDSIC (2020)
Dan Michael A. Cortez, Ariel M. Sison, Ruji P. Medina
Cryptanalysis of the Modified SHA256. HPCCT/BDAI (2020)
Dan Michael A. Cortez, Ariel M. Sison, Ruji P. Medina
Cryptographic Randomness Test of the Modified Hashing Function of SHA256 to Address Length Extension Attack. ICCBN (2020)
Rhodessa J. Cascaro, Bobby D. Gerardo, Ruji P. Medina
Aggregating Filter Feature Selection Methods to Enhance Multiclass Text Classification. ICIT (2019)
Rhodessa J. Cascaro, Bobby D. Gerardo, Ruji P. Medina
Filter Selection Methods for Multiclass Classification. ICCBD (2019)
Froilan E. De Guzman, Bobby D. Gerardo, Ruji P. Medina
Implementation of Enhanced Secure Hash Algorithm Towards a Secured Web Portal. ICCCS (2019)
Mark Jovic A. Daday, Arnel C. Fajardo, Ruji P. Medina
Enhancing Feed-Forward Neural Network in Image Classification. ICCBD (2019)
Edmarlyn Porras, Arnel C. Fajardo, Ruji P. Medina
Solving Dietary Planning Problem using Particle Swarm Optimization with Genetic Operators. ICMLSC (2019)
Daniel A. Neri, Ruji P. Medina, Ariel M. Sison
An XBOX-based key generation technique for vigenere algorithm. ICCSP (2019)
Fredilyn B. Calanda, Ariel M. Sison, Mark Rennel D. Molato, Ruji P. Medina
A Modified Least Significant Bit Randomized Embedding Method based on Image Partitioning and Columnar Transposition with Encryption. ICCBD (2019)
Benedict A. Rabut, Arnel C. Fajardo, Ruji P. Medina
Multi-class Document Classification Using Improved Word Embeddings. ICCBD (2019)
Jovy Jay D. Cabrera, Ariel M. Sison, Ruji P. Medina
Centroid 360: An Enhanced Centroid Initialization Method for K Means Algorithm. DSIT (2019)
Mylene J. Domingo, Bobby D. Gerardo, Ruji P. Medina
Fuzzy decision tree for breast cancer prediction. AISS (2019)
Elenita T. Capariño, Ariel M. Sison, Ruji P. Medina
Application of the Modified Imputation Method to Missing Data to Increase Classification Performance. ICCCS (2019)
Jayvee Christopher N. Vibar, Ruji P. Medina, Ariel M. Sison
ERC5a - An Enhanced RC5 Algorithm on Bit Propagation in the Encryption Function. ICCCS (2019)
Gerald T. Cayabyab, Ariel M. Sison, Ruji P. Medina
A Secure Key Scheduling Operation for International Data Encryption Algorithm using Serpent Key Schedule Operation. ICCBD (2019)
Jayvee Christopher N. Vibar, Ariel M. Sison, Ruji P. Medina
Implementation and Performance Assessment of Enhanced RC5 Cryptosystem Applied to Different File Types. ICSET (2019)
Harwin C. Mendoza, Ariel M. Sison, Ruji P. Medina
Modifying Bit-Level Data Compression Scheme based on Adaptive Hamming Code Data Compression Algorithm. MAPR (2019)
Ramil G. Lumauag, Ariel M. Sison, Ruji P. Medina
An Enhanced Recommendation Algorithm Based on Modified User-Based Collaborative Filtering. ICCCS (2019)
Domingo V. Origines Jr., Ariel M. Sison, Ruji P. Medina
A Secured RFID Lightweight Authentication Protocol based on Elliptic Curve Cryptography using modified PRNG Algorithm. ICCBD (2019)
Larry B. de Guzman, Ariel M. Sison, Ruji P. Medina
Implementation of Enhanced MD5 Algorithm using SSL to Ensure Data Integrity. ICMLSC (2019)
Ronielle B. Antonio, Ariel M. Sison, Ruji P. Medina
Performance Analysis of the Modified Generated S-Box for Advanced Encryption Standards. DSIT (2019)
Manocher C. Alipour, Bobby D. Gerardo, Ruji P. Medina
A Secure Image Encryption Architecture Based on Pseudorandom Number Generator and Chaotic Logistic Map. DSIT (2019)
Rogelio O. Badiang Jr., Bobby D. Gerardo, Ruji P. Medina
Relocating Local Outliers Produced by Partitioning Methods. ICCBD (2019)
Felomino Porras Alba, Enrique D. Festijo, Ruji P. Medina
A Distance-Based Data-Mule Scheduling Technique for Lesser Nodal Delay in Wireless Sensor Network. Int. J. Commun. Networks Inf. Secur. 11 (1) (2019)
Rommel Evan J. Paje, Ariel M. Sison, Ruji P. Medina
Multidimensional key RC6 algorithm. ICCSP (2019)
Lanie B. Laureano, Ariel M. Sison, Ruji P. Medina
Handling Imbalanced Data through Affinity Propagation and SMOTE. ICCBD (2019)
Jaymer M. Jayoma, Bobby D. Gerardo, Ruji P. Medina
Enhancing Inverse Ant Algorithm using Path Elimination Rules. ICNCC (2018)
Maria Lolita G. Masangcap, Ariel M. Sison, Ruji P. Medina
Application of enhanced expectation maximization (EnEM) algorithm for image segmentation. DSIT (2018)
Esmael Verano Maliberan, Ariel M. Sison, Ruji P. Medina
A New Approach in Expanding the Hash Size of MD5. Int. J. Commun. Networks Inf. Secur. 10 (2) (2018)
Catherine Bhel B. Aguila, Ariel M. Sison, Ruji P. Medina
Enhanced RC6 permutation-diffusion operation for image encryption. DSIT (2018)
Mideth B. Abisado, Bobby D. Gerardo, Larry A. Vea, Ruji P. Medina
Towards academic affect modeling through experimental hybrid gesture recognition algorithm. DSIT (2018)
Rolysent Paredes, Ariel M. Sison, Ruji P. Medina
Bandwidth Allocation Mechanism based on Users' Web Usage Patterns for Campus Networks. Int. J. Commun. Networks Inf. Secur. 10 (2) (2018)
Cielito C. Olegario, Andrei D. Coronel, Ruji P. Medina, Bobby D. Gerardo
A hybrid approach towards improved artificial neural network training for short-term load forecasting. DSIT (2018)
Reynaldo R. Corpuz, Bobby D. Gerardo, Ruji P. Medina
Using a Modified Approach of Blowfish Algorithm for Data Security in Cloud Computing. ICIT (2018)
Catherine R. Alimboyong, Alexander A. Hernandez, Ruji P. Medina
Classification of Plant Seedling Images Using Deep Learning. TENCON (2018)
Markdy Y. Orong, Ariel M. Sison, Ruji P. Medina
A Hybrid Prediction Model Integrating a Modified Genetic Algorithm to K-means Segmentation and C4.5. TENCON (2018)
Edgar Bryan B. Nicart, Tony Y. T. Chan, Ruji P. Medina
Enhanced Satellite Imaging Algorithm Classifier using Convolutional Neural modified Support Vector Machine (CNMSVM). ICVIP (2018)
Ian P. Benitez, Ariel M. Sison, Ruji P. Medina
Implementation of GA-Based Feature Selection in the Classification and Mapping of Disaster-Related Tweets. NLPIR (2018)
Florence Jean B. Talirongan, Ariel M. Sison, Ruji P. Medina
An MD5-Hirose Hashing Algorithm for Digital Image Watermarking. ICIT (2018)
Reynaldo R. Corpuz, Bobby D. Gerardo, Ruji P. Medina
A Modified Approach of Blowfish Algorithm Based On S-Box Permutation using Shuffle Algorithm. ICNCC (2018)
Gil L. Fabon, Arnel C. Fajardo, Ruji P. Medina
Automated Teller Machines Location's Information Retrieval Search Engine Using Suffix Tree Clustering Technique. NLPIR (2018)
Bobby A. Eclarin, Arnel C. Fajardo, Ruji P. Medina
A Novel Feature Hashing With Efficient Collision Resolution for Bag-of-Words Representation of Text Data. NLPIR (2018)
Ariel Roy L. Reyes, Enrique D. Festijo, Ruji P. Medina
Securing One Time Password (OTP) for Multi-Factor Out-of-Band Authentication through a 128-bit Blowfish Algorithm. Int. J. Commun. Networks Inf. Secur. 10 (1) (2018)
Hidear Talirongan, Ariel M. Sison, Ruji P. Medina
A New Advanced Encryption Standard-Butterfly Effect in Protecting Image of Copyright Piracy. ICIT (2018)
Edwin F. Galutira, Arnel C. Fajardo, Ruji P. Medina
A Novel Learning Rate Decay Function of Kohonen Self-Organizing Maps Using the Exponential Decay Average Rate of Change for Image Clustering. NLPIR (2018)
Mary Jane C. Samonte, Bobby D. Gerardo, Ruji P. Medina
Towards enhanced hierarchical attention networks in ICD-9 tagging of clinical notes. ICCIP (2017)
Benedicto B. Balilo Jr., Bobby D. Gerardo, Ruji P. Medina, Yung-Cheol Byun
A Unique One-Time Password Table Sequence Pattern Authentication: Application to Bicol University Union of Federated Faculty Association, Inc. (BUUFFAI) eVoting System. CoRR (2017)