Before revision:  This survey reveals six main processes where the employment of ML techniques can benefit visualizations: VIS-driven Data Processing, Data Presentation, Insight Communication , Style Imitation, VIS Interaction, VIS Perception.
After revision:  This survey reveals six main processes where the employment of ML techniques can benefit visualizations: Data Processing4VIS, Data-VIS Mapping, InsightCommunication , Style Imitation, VIS Interaction, VIS Perception.