![]() In this research, an improved computational framework for discord search under LRRDS is proposed. Although LRRDS shows promising performance, it will need to pre-determine the window size for local search and might miss the discord if the small time series data is used for scanning. ![]() Recently, the method called Local Recurrence Rate based Discord Search (LRRDS) was proposed to convert time series data to Recurrence Plot (RP) for further discord investigation. By identifying anomalous subsequences of time series data collected from manufacturing machines, the issue of malfunction can be detected based on the evaluation of operating conditions. Discord search in time series data plays an important role in analyzing data collected from the manufacturing site.
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