5017
Kalman filter tracking was used to pinpoint the exact melt pool position , and image segmentation algorithm was developed to segment the melt pool , plume and spatters from each other ; a new tracking method was utilized to remove the spatters generated in the previous frame .
 application: filter; material: melt pool; concept or principle: image; concept or principle: algorithm; material: melt pool
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: filter, melt pool, image, algorithm, melt pool 
Answer:
 application: filter; material: melt pool; concept or principle: image; concept or principle: algorithm; material: melt pool