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Existing state-of-the-art studies on thermal image streams focus merely on in situ sensing , feature extraction , and their relationship with process setup parameters and material properties .
 state-of-the-art, thermal image, in situ, feature extraction, process, parameters, material properties
Please list all entity words in the text that fit the category. Output format is "word1, 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} 
Answer:
 state-of-the-art, thermal image, in situ, feature extraction, process, parameters, material properties