Prospero C Naval

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We describe a method for recovering the camera position and orientation parameters from a single mountain image. It is based on the alignment of the mountain skyline with a synthetic skyline generated from a digital elevation map. Image plane alignment of three image skyline feature points with three model feature points is rst hypothesized and the position(More)
  • Christine T Clarin, Judith Ann, M Dionisio, Michael T Echavez, Prospero C Naval
  • 2006
DOVE is an automated system which detects violence in motion pictures. Violence in this paper is defined as movie sequences involving actions producing blood such as extreme punching, kicking, stabbing, and similar actions. Frames are analyzed from the MPEG stream from a VideoCD file. The color histograms of each pair of frames are used to compute the(More)
  • Eliza Concepcion, E Ebarvia, Mary Shalom, B Lopez, Michael Gringo, Angelo R Bayona +7 others
  • 2009
In this paper, we determined the feature parameters needed to formulate an emotion recognition algorithm for technical call centers. Four emotions were considered for the system output: anger, boredom, happiness or satisfaction, and neutral for both the client and the call center agent. Our proposed emotion recognition system aims at being independent of(More)
We describe a clinical decision support system (CDSS) designed to provide timely information germane to poisoning. The CDSS aids medical decision making through recommendations to clinicians for immediate evaluation. The system is implemented as a rule-based expert system with two major components: the knowledge base and the inference engine. The knowledge(More)
A swarm intelligence system is a type of multiagent system with the following distinctive characteristics: (i) it is composed of a large number of agents, (ii) the agents that comprise the system are simple with respect to the complexity of the task the system is required to perform, (iii) its control relies on principles of decentralization and(More)
The Ant Colony Optimization algorithm was originally conceptualized as an algorithm for solving combinatorial optimization problems. In recent years, it has shown that the ACO metaheuristic can be extended such that it can handle both continuous and mixed variable optimization problems. In this paper we present an constraint-capable extension of Socha and(More)
  • Darrel Alvin, N Ong, Abigail R Razon, Rowena Cristina, L Guevara, Prospero C Naval
  • 2011
This paper proposes the first Automated Essay Grader (AEG) for the Filipino language with results that are competitive with human checkers. In this study, the authors focused on content evaluation using Concept Indexing (CI) and Latent Semantic Indexing (LSI). The two NLP algorithms were compared based on their accuracy and speed. The effects of spell(More)
  • Eliza Concepcion, E Ebarvia, Mary Shalom, B Lopez, Michael Gringo, Angelo R Bayona +6 others
  • 2010
— Emotion recognition can help improve human-machine interfaces (HMI). To develop a stable emotion recognition system, there should be a basis of characteristics to compare with the speech sample. Since the system should be independent of the actual word or sentence uttered, only prosodic features were considered as parameters. The performance accuracy of(More)