Ryan Rhay P. Vicerra

70 papers A 1B 1C 17Journal 33Unranked 18

Year	Rank	Type	Title / Venue / Authors
2024	J	`jnl`	Application of Fuzzy Logic for Robotic Arm Joint Control of an Explosive Ordnance Disposal Unit. J. Adv. Comput. Intell. Intell. Informatics Arvin H. Fernando, Marielet A. Guillermo, Ronnie S. Concepcion II, Laurence A. Gan Lim, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2024	C	`conf`	Automated Control System for Rauvolfia Serpentina Growth Optimization. TENCON Nathanael Adrian T. Cua, Louie T. Que, Daniel Iñigo M. Soriano, Alvin Josh T. Valenciano, Jana Johannes G. Valenzuela, Matthea Flynne T. Sim, Selverino A. Magon, Argel A. Bandala, Ryan Rhay P. Vicerra
2024	B	`conf`	Comprehensive analysis on Ultralytics-supported YOLO models for detection and recognition of large office objects for indoor navigation. KES Renann G. Baldovino, Aron Jake P. Vidad, Rudwin Paul B. Abastillas, Nilo T. Bugtai, Elmer P. Dadios, Ryan Rhay P. Vicerra, Argel A. Bandala, Aaron Raymond See, Nicanor R. Roxas
2024	J	`jnl`	Fuzzy Logic-Controlled Gripper Force Feedback for Haptic Device. J. Adv. Comput. Intell. Intell. Informatics Athena Rosz Ann R. Pascua, Dino Dominic F. Ligutan, Marielet A. Guillermo, Arvin H. Fernando, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2024	C	`conf`	Intelligent Management System for Industrial Sugar Hoppers in Food Manufacturing Using IoT. TENCON Earl Jewel Arel, Jenica Charlize L. Chua, Matthew Joseph C. Dionela, Martina A. Fortuna, Alrick Wynton Lim, Jason L. Española, Dino Dominic F. Ligutan, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2024	J	`jnl`	Non-Invasive Plant Root Tomography Through Optimized Sonar Array Transducer Antenna Design Using Genetic Swarm Metaheuristic. J. Adv. Comput. Intell. Intell. Informatics Jonnel D. Alejandrino, Ronnie S. Concepcion II, Argel A. Bandala, Edwin Sybingco, Ryan Rhay P. Vicerra, Elmer P. Dadios
2024	C	`conf`	Printed Circuit Board Defect Detection Using YOLOv8s and TensorRT. TENCON Guillaume Keifer U. Arenas, Mystro Yushi P. Fujii, Anastine Beatrice B. Josue, Vincent Andrew Mikael C. Mataragnon, Jason L. Española, Kate G. Francisco, Jose Martin Z. Maningo, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2024	J	`jnl`	Simulated vs Actual Application of Symbiotic Model on Six Wheel Modular Multi-Agent System for Linear Traversal Mission. J. Adv. Comput. Intell. Intell. Informatics Arvin H. Fernando, Laurence A. Gan Lim, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios, Marielet A. Guillermo, Raouf N. Gorgui-Naguib
2023	C	`conf`	Assessment of Aquaponics Biofilter Performance in Reducing Dissolved Solids Concentration. TENCON Uriah Mika Adagio, Ashley Ryle de Leon, Rachel Ann Gomorera, Marian Kellyn Senas, Laurenzo Alba, Argel A. Bandala, Amir A. Bracino, Ronnie Concepcion II, Elmer P. Dadios, Jason L. Española, Ira C. Valenzuela, Ryan Rhay P. Vicerra
2023	—	`conf`	Brain Activity Percentage Difference for Independent Component Analysis Rejection in the Classification Accuracies of Phone-Induced Distracted Driving. CCIOT Claire Receli M. Reñosa, Ryan Rhay P. Vicerra, Elmer P. Dadios, Argel A. Bandala, Homer S. Co
2023	—	`conf`	Classifying Electrical Resistivity Tomography Profiles of Underground Utilities using Convolutional Neural Network. IMCOM Jullian Dominic D. Ducut, Joseph Aristotle de Leon, Mike Louie Enriquez, Ronnie S. Concepcion, Argel A. Bandala, Ryan Rhay P. Vicerra, Renann G. Baldovino
2023	J	`jnl`	Digital Twin Concept Utilizing Electrical Resistivity Tomography for Monitoring Seawater Intrusion. J. Adv. Comput. Intell. Intell. Informatics Joseph Aristotle R. De Leon, Ronnie S. Concepcion II, Robert Kerwin C. Billones, Jonah Jahara G. Baun, Jose Miguel F. Custodio, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2023	J	`jnl`	Grape J. Adv. Comput. Intell. Intell. Informatics Oliver John Y. Alajas, Ronnie S. Concepcion II, Maria Gemel B. Palconit, Argel A. Bandala, Edwin Sybingco, Ryan Rhay P. Vicerra, Elmer P. Dadios, Christan Hail R. Mendigoria, Heinrick L. Aquino, Luigi Gennaro Izzo
2023	J	`jnl`	MeterGPX: A Smart Multimeter Embedded with Multigene Genetic Programming Model for Multiarray Antenna Transmitter. J. Adv. Comput. Intell. Intell. Informatics Adrian Genevie G. Janairo, Jonah Jahara G. Baun, Johndel Garrison Chan, Joseph Aristotle R. De Leon, Ronnie S. Concepcion II, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2023	J	`jnl`	Non-Destructive Classification of Paddy Rice Leaf Disease Infected by Bacterial and Fungal Species Using Vision-Based Deep Learning. J. Adv. Comput. Intell. Intell. Informatics Amir A. Bracino, Danielle Grace D. Evangelista, Ronnie S. Concepcion II, Elmer P. Dadios, Ryan Rhay P. Vicerra
2023	J	`jnl`	SpeedX: Smart Speed Controller Model of Towed Subterranean Imaging System for Resistivity Data Distortion Reduction Using Computational Intelligence. J. Adv. Comput. Intell. Intell. Informatics R-Jay Santos Relano, Kate G. Francisco, Ronnie S. Concepcion II, Mike Louie C. Enriquez, Jonah Jahara G. Baun, Adrian Genevie G. Janairo, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2023	C	`conf`	Technology Foresight for Sensor Applications in the Philippine Manufacturing Industry Through Scenario Building. TENCON Selverino A. Magon, Ana Antoniette C. Illahi, Ronnie S. Concepcion II, Argel A. Bandala, Ryan Rhay P. Vicerra, Glen A. Imbang
2023	J	`jnl`	optIFnet: A Capacitive Antenna Dipole Indention-Flexure Predictive Model Optimized Using Hybrid Lichtenberg Algorithm and Neural Network. J. Adv. Comput. Intell. Intell. Informatics Mike Louie C. Enriquez, Ronnie S. Concepcion II, R-Jay Santos Relano, Kate G. Francisco, Jonah Jahara G. Baun, Adrian Genevie G. Janairo, Renann G. Baldovino, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2022	J	`jnl`	A Review of Smart Battery Management Systems for LiFePO J. Adv. Comput. Intell. Intell. Informatics Jo-Ann V. Magsumbol, Marife A. Rosales, Maria Gemel B. Palconit, Ronnie S. Concepcion II, Argel A. Bandala, Ryan Rhay P. Vicerra, Edwin Sybingco, Alvin B. Culaba, Elmer P. Dadios
2022	J	`jnl`	BombNose: A Multiple Bomb-Related Gas Prediction Model Using Machine Learning with Electronic Nose Sensor Substitution Technique. J. Adv. Comput. Intell. Intell. Informatics Ana Antoniette C. Illahi, Elmer P. Dadios, Ronnie S. Concepcion II, Argel A. Bandala, Ryan Rhay P. Vicerra, Edwin Sybingco, Laurence A. Gan Lim, Kate Francisco
2022	J	`jnl`	Low-Cost Underwater Camera: Design and Development. J. Adv. Comput. Intell. Intell. Informatics Elmer P. Dadios, Vincent Jan D. Almero, Ronnie S. Concepcion II, Ryan Rhay P. Vicerra, Argel A. Bandala, Edwin Sybingco
2022	J	`jnl`	Mamdani Fuzzy-Based Assessment of Telework Capability of Philippine Government Employees. J. Adv. Comput. Intell. Intell. Informatics Ryan Rhay P. Vicerra, Argel A. Bandala, Pocholo James M. Loresco, Rex Paolo C. Gamara, Andres Philip Mayol, Ronnie S. Concepcion II, Jason L. Española, Jayne Lois San Juan, Elmer P. Dadios, Alvin B. Culaba
2022	J	`jnl`	Multi-Gene Genetic Programming of IoT Water Quality Index Monitoring from Fuzzified Model for J. Adv. Comput. Intell. Intell. Informatics Maria Gemel B. Palconit, Mary Grace Ann C. Bautista, Ronnie S. Concepcion II, Jonnel D. Alejandrino, Ivan Roy S. Evangelista, Oliver John Y. Alajas, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2022	J	`jnl`	Object Detection and Segmentation Using Deeplabv3 Deep Neural Network for a Portable X-Ray Source Model. J. Adv. Comput. Intell. Intell. Informatics Jayson P. Rogelio, Elmer P. Dadios, Ryan Rhay P. Vicerra, Argel A. Bandala
2021	—	`conf`	2D Position Control of a UAV Using Fuzzy Logic Control. SII Marc Francis Q. Say, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Alvin Y. Chua
2021	—	`conf`	A Genetic Algorithm Approach to PID Tuning of a Quadcopter UAV Model. SII Marc Francis Q. Say, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Alvin Y. Chua
2021	J	`jnl`	Adaptive Fertigation System Using Hybrid Vision-Based Lettuce Phenotyping and Fuzzy Logic Valve Controller Towards Sustainable Aquaponics. J. Adv. Comput. Intell. Intell. Informatics Ronnie Concepcion II, Sandy C. Lauguico, Jonnel D. Alejandrino, Argel A. Bandala, Edwin Sybingco, Ryan Rhay P. Vicerra, Elmer P. Dadios, Joel L. Cuello
2021	J	`jnl`	Application of Fuzzy Logic for Controlling Spray Drying Parameters in Production of Bignay ( J. Adv. Comput. Intell. Intell. Informatics Danielle Grace D. Evangelista, Ryan Rhay P. Vicerra, Argel A. Bandala, Edwin Sybingco, Elmer P. Dadios
2021	C	`conf`	IoT-based On-demand Feeding System for Nile Tilapia (Oreochromis niloticus). TENCON Maria Gemel B. Palconit, Ronnie S. Concepcion, Jonnel D. Alejandrino, Vanessa F. Fonseca, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2021	J	`jnl`	Optimization of Biofilter Size for Aquaponics Using Genetic Algorithm. J. Adv. Comput. Intell. Intell. Informatics Amir A. Bracino, Jason L. Española, Argel A. Bandala, Elmer P. Dadios, Edwin Sybingco, Ryan Rhay P. Vicerra
2021	C	`conf`	Preprocessing Image Contouring Optimization of Handwriting Recognition Using Genetic Algorithm. TENCON Julianne Alyson I. Diaz, Ryan Rhay P. Vicerra, Argel A. Bandala
2021	J	`jnl`	Protocol-Independent Data Acquisition for Precision Farming. J. Adv. Comput. Intell. Intell. Informatics Jonnel D. Alejandrino, Ronnie S. Concepcion, Vincent Jan D. Almero, Maria Gemel B. Palconit, Ryan Rhay P. Vicerra, Argel A. Bandala, Edwin Sybingco, Elmer P. Dadios
2021	J	`jnl`	Three-Dimensional Stereo Vision Tracking of Multiple Free-Swimming Fish for Low Frame Rate Video. J. Adv. Comput. Intell. Intell. Informatics Maria Gemel B. Palconit, Ronnie Concepcion II, Jonnel D. Alejandrino, Michael Pareja, Vincent Jan D. Almero, Argel A. Bandala, Ryan Rhay P. Vicerra, Edwin Sybingco, Elmer P. Dadios, Raouf N. Gorgui-Naguib
2021	J	`jnl`	Varietal Classification of J. Adv. Comput. Intell. Intell. Informatics Christan Hail R. Mendigoria, Heinrick L. Aquino, Oliver John Y. Alajas, Ronnie Concepcion II, Elmer P. Dadios, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra
2020	C	`conf`	A Smart Space with Music Selection Feature Based on Face and Speech Emotion and Expression Recognition. TENCON Jose Martin Z. Maningo, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios, Karla Andrea L. Bedoya, Arramae Lauren A. Carandang, Paolo Joshua Y. Maniaul, Anna Rovia V. Tabalan
2020	—	`conf`	Faster R-CNN Model With Momentum Optimizer for RBC and WBC Variants Classification. LifeTech Rogelio Ruzcko Tobias, Luigi Carlo M. de Jesus, Matt Ervin Mital, Sandy Lauguico, Marielet Guillermo, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2020	C	`conf`	Fuzzy Power Control for Non-linear Distortion Suppression in MIMO-OFDM Systems. TENCON Genesis Marr N. Principe, Ryan Rhay P. Vicerra, Argel A. Bandala
2020	C	`conf`	Genetic Algorithm-based Dark Channel Prior Parameters Selection for Single Underwater Image Dehazing. TENCON Vincent Jan D. Almero, Ronnie S. Concepcion, Jonnel D. Alejandrino, Argel A. Bandala, Jason L. Española, Rhen Anjerome R. Bedruz, Ryan Rhay P. Vicerra, Elmer P. Dadios
2020	C	`conf`	Grape Leaf Multi-disease Detection with Confidence Value Using Transfer Learning Integrated to Regions with Convolutional Neural Networks. TENCON Sandy Lauguico, Ronnie S. Concepcion, Rogelio Ruzcko Tobias, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2020	C	`conf`	Prediction of Total Body Water using Scaled Conjugate Gradient Artificial Neural Network. TENCON Marife A. Rosales, Maria Gemel B. Palconit, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios, Hilario A. Calinao
2020	C	`conf`	Towards Tracking: Investigation of Genetic Algorithm and LSTM as Fish Trajectory Predictors in Turbid Water. TENCON Maria Gemel B. Palconit, Vincent Jan D. Almero, Marife A. Rosales, Edwin Sybingco, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2019	—	`conf`	A pH Regulation System for Perfusion Machine Using Computer Vision and Fuzzy Logic. ACIRS Tristan Joseph C. Limchesing, Rhen Anjerome R. Bedruz, Ryan Rhay P. Vicerra, John Anthony Jose, Nilo Bugtai
2019	—	`conf`	Application of Acceleration Tracking Control for a Small-Scale Earthquake Simulator. ACIRS Karmelo Antonio Lazaro R. Carranza, Rhen Anjerome R. Bedruz, Renann G. Baldovino, Ryan Rhay P. Vicerra, John Anthony Jose, Elmer P. Dadios, Lessandro Estelito Garciano, Edwin Sybingco
2019	—	`conf`	Categorizing License Plates Using Convolutional Neural Network with Residual Learning. ACIRS John Anthony C. Jose, Jose Martin Z. Maningo, Jayson P. Rogelio, Argel A. Bandala, Ryan Rhay P. Vicerra, Edwin Sybingco, Phoebe Mae L. Ching, Elmer P. Dadios
2019	—	`conf`	Control and Mechanical Design of a Multi-diameter Tri-Legged In- Pipe Traversing Robot. SII Argel A. Bandala, Jose Martin Z. Maningo, Arvin H. Fernando, Ryan Rhay P. Vicerra, Micah Antoinette B. Antonio, Julianne Alyson I. Diaz, Manuel Ligeralde, Philix Anton R. Mascardo
2019	—	`conf`	Design of a Robot Controller for Peloton Formation Using Fuzzy Logic. RiTA Rhen Anjerome R. Bedruz, Argel A. Bandala, Ryan Rhay P. Vicerra, Ronnie S. Concepcion, Elmer P. Dadios
2019	—	`conf`	Development of Leap Motion Capture Based - Hand Gesture Controlled Interactive Quadrotor Drone Game. RiTA Argel A. Bandala, Jose Martin Z. Maningo, Edwin Sybingco, Ryan Rhay P. Vicerra, Elmer P. Dadios, Joshua Daniel D. Guillarte, Julius Oigimer P. Salting, Ma. Joyce Anne S. Santos, Basil Anton E. Sarmiento
2019	—	`conf`	Dynamic Peloton Formation Configuration Algorithm of Swarm Robots for Aerodynamic Effects Optimization. RiTA Rhen Anjerome R. Bedruz, Jose Martin Z. Maningo, Arvin H. Fernando, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2019	—	`conf`	Formation-based 3D Mapping of Micro Aerial Vehicles. SII Mark Lester F. Padilla, Pakpong Chirarattananon, Argel A. Bandala, Ryan Rhay P. Vicerra, Renann G. Baldovino, Elmer P. Dadios
2019	—	`conf`	Longitudinal Wheel Slip Regulation using Nonlinear Autoregressive-Moving Average (NARMA-L2) Neural Controller. RiTA Ryan Christoper R. Dajay, Jason L. Española, Argel A. Bandala, Rhen Anjerome R. Bedruz, Ryan Rhay P. Vicerra, Elmer P. Dadios
2019	—	`conf`	Optimization of Extracted Features from an Explosive-Detecting Electronic Nose Using Genetic Algorithm. CIS/RAM Jason L. Española, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2019	—	`conf`	Throat Detection and Health Classification Using Neural Network. IC3I Rogelio Ruzcko Tobias, Luigi Carlo M. de Jesus, Matt Ervin Mital, Sandy Lauguico, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2019	—	`conf`	Tomato Fruit Image Dataset for Deep Transfer Learning-based Defect Detection. CIS/RAM Robert G. de Luna, Elmer P. Dadios, Argel A. Bandala, Ryan Rhay P. Vicerra
2018	C	`conf`	Design of a Fuzzy-Genetic Controller for an Articulated Robot Gripper. TENCON Jason L. Española, Argel A. Bandala, Ryan Rhay P. Vicerra, Elmer P. Dadios
2018	C	`conf`	Development of an Adaptive In-Pipe Inspection Robot with Rust Detection and Localization. TENCON Julianne Alyson I. Diaz, Manuel I. Ligeralde, Micah Antoinette B. Antonio, Philix Anton R. Mascardo, Jose Martin Z. Maningo, Arvin H. Fernando, Ryan Rhay P. Vicerra, Elmer P. Dadios, Argel A. Bandala
2018	J	`jnl`	Lane Detection and Spatiotemporal Reconstruction Using the Macroblock Predictions Method. J. Adv. Comput. Intell. Intell. Informatics Edison A. Roxas, Ryan Rhay P. Vicerra, Gil Nonato C. Santos, Elmer P. Dadios, Argel A. Bandala
2018	C	`conf`	Object Detection Using Convolutional Neural Networks. TENCON Reagan L. Galvez, Argel A. Bandala, Elmer P. Dadios, Ryan Rhay P. Vicerra, Jose Martin Z. Maningo
2018	C	`conf`	Payload Lift and Transport Using Decentralized Unmanned Aerial Vehicle Quadcopter Teams. TENCON Argel A. Bandala, Aldrin G. Chua, Ryan R. Dajay, Rafael D. Rabacca, Ericka C. So, Jose Martin Z. Maningo, Arvin H. Fernando, Ryan Rhay P. Vicerra
2018	J	`jnl`	SVM Compound Kernel Functions for Vehicle Target Classification. J. Adv. Comput. Intell. Intell. Informatics Edison A. Roxas, Ryan Rhay P. Vicerra, Laurence A. Gan Lim, Elmer P. Dadios, Argel A. Bandala
2017	J	`jnl`	Implementation of Swarm Social Foraging Behavior in Unmanned Aerial Vehicle (UAV) Quadrotor Swarm. J. Adv. Comput. Intell. Intell. Informatics Gerard Ely Faelden, Ryan Rhay P. Vicerra, Laurence A. Gan Lim, Edwin Sybingco, Elmer P. Dadios, Argel A. Bandala
2017	J	`jnl`	Smoothed Particle Hydrodynamics Approach to Aggregation of Quadrotor Unmanned Aerial Vehicle Swarm. J. Adv. Comput. Intell. Intell. Informatics Jose Martin Maningo, Ryan Rhay P. Vicerra, Laurence A. Gan Lim, Edwin Sybingco, Elmer P. Dadios, Argel A. Bandala
2017	J	`jnl`	Utilization of the Physicomimetics Framework for Achieving Local, Decentralized, and Emergent Behavior in a Swarm of Quadrotor Unmanned Aerial Vehicles (QUAV). J. Adv. Comput. Intell. Intell. Informatics Reiichiro Christian S. Nakano, Ryan Rhay P. Vicerra, Laurence A. Gan Lim, Edwin Sybingco, Elmer P. Dadios, Argel A. Bandala
2016	J	`jnl`	Dynamic Rate Allocation Algorithm Using Adaptive LMS End-to-End Distortion Estimation for Video Transmission over Error Prone Network. J. Adv. Comput. Intell. Intell. Informatics Angelo R. dela Cruz, Ryan Rhay P. Vicerra, Argel A. Bandala, Elmer P. Dadios
2016	A	`conf`	Implementation of varied particle container for Smoothed Particle Hydrodynamics - based aggregation for unmanned aerial vehicle quadrotor swarm. IROS Argel A. Bandala, Gerard Ely Faelden, Jose Martin Maningo, Reiichiro Christian S. Nakano, Ryan Rhay P. Vicerra, Elmer P. Dadios
2016	J	`jnl`	Slime Mold Inspired Swarm Robot System for Underwater Wireless Data Communication. J. Adv. Comput. Intell. Intell. Informatics Ryan Rhay P. Vicerra, Elmer P. Dadios
2014	J	`jnl`	Swarm Robot System for Underwater Communication Network. J. Adv. Comput. Intell. Intell. Informatics Ryan Rhay P. Vicerra, Elmer P. Dadios, Argel A. Bandala, Laurence A. Gan Lim
2014	J	`jnl`	Swarming Algorithm for Unmanned Aerial Vehicle (UAV) Quadrotors - Swarm Behavior for Aggregation, Foraging, Formation, and Tracking. J. Adv. Comput. Intell. Intell. Informatics Argel A. Bandala, Elmer P. Dadios, Ryan Rhay P. Vicerra, Laurence A. Gan Lim
2014	J	`jnl`	Synchronized Dual Camera Vision System for Locating and Identify Highly Dynamic Objects. J. Adv. Comput. Intell. Intell. Informatics Noel S. Gunay, Elmer P. Dadios, Ryan Rhay P. Vicerra, Argel A. Bandala, Laurence A. Gan Lim
2013	—	`conf`	Unmanned underwater vehicle navigation and collision avoidance using fuzzy logic. SII Kanny Krizzy A. David, Ryan Rhay P. Vicerra, Argel A. Bandala, Laurence A. Gan Lim, Elmer P. Dadios
2012	J	`jnl`	IEEE CIS Philippines Chapter Report [Family Corner]. IEEE Comput. Intell. Mag. Elmer P. Dadios, Ryan Rhay P. Vicerra