Dictionary
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*Marking tool* - polygon or rectangle drawing tool for selecting objects (e.g tree, car, man) on the images

*Segmentation* - selecting parts of images with specific classes

*Annotation* - making segmentation and answering questions for image

*Review* - evaluation of segmentation and questions that has been made

*Dataset* - set of images that will be annotated and reviewed

*Project* - One or more datasets with sets of questions and marking tools

*Workspace* - space belonging to one person collecting datasets and projects and allowing the work of many people

*Annotation expert* – a person that will be answering questions and using marking tools to select objects

*Review expert* – a person that will evaluate segmentation and/or questions that has been done, in theory an expert of the specified domain