scholarly journals Shock determination in a two‐stage decision‐making model: The case of COVID‐19 in Colombia

2022 ◽  
Author(s):  
Rafael A. Acevedo ◽  
Pedro Harmath ◽  
Jose U. Mora ◽  
Raquel Puente ◽  
Elvis Aponte
Keyword(s):  
Decision Making ◽  
Two Stage ◽  
Decision Making Model

scholarly journals Rational Irrationality: A Two Stage Decision Making Model

2020 ◽  
Author(s):  
Rafael A Acevedo ◽  
Elvis Aponte ◽  
Pedro Harmath ◽  
Jose Mora Mora
Keyword(s):  
Decision Making ◽  
Two Stage ◽  
Decision Making Model

scholarly journals A Vision-Based Two-Stage Framework for Inferring Physical Properties of the Terrain

2020 ◽  
Vol 10 (18) ◽  
pp. 6473 ◽  
Author(s):  
Yunlong Dong ◽  
Wei Guo ◽  
Fusheng Zha ◽  
Yizhou Liu ◽  
Chen Chen ◽  
...  
Keyword(s):  
Decision Making ◽  
Physical Properties ◽  
Motion Control ◽  
Semantic Segmentation ◽  
Image Features ◽  
Two Stage ◽  
Stiffness Properties ◽  
Image Dataset ◽  
Decision Making Model ◽  
Complete Framework

The friction and stiffness properties of the terrain are very important pieces of information for mobile robots in motion control, dynamics parameter adjustment, trajectory planning, etc. Inferring the friction and stiffness properties in advance can improve the safety, adaptability and reliability, and reduce the energy consumption of the robot. This paper proposes a vision-based two-stage framework for pre-estimating physical properties of the terrain. We established a field terrain image dataset with weak annotations. A semantic segmentation network that can segment terrains at the pixel level was designed. Given that the same terrain also has different physical properties, we designed two kinds of image features, and we use a decision-making model to realize the mapping from terrain to physical properties. We trained and tested the network comprehensively, and experimented with the complete framework for estimating physical properties. The experimental results show that our framework has good performance.

Shock Determination in a Two-Stage Decision-Making Model: The Case of COVID-19 in Colombia

2021 ◽  
Author(s):  
Rafael A Acevedo ◽  
Pedro Harmath ◽  
Jose Mora Mora ◽  
Raquel Puente ◽  
Elvis Aponte
Keyword(s):  
Decision Making ◽  
Two Stage ◽  
Decision Making Model
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