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. 2025 Aug 12;19:1625279. doi: 10.3389/fninf.2025.1625279

Figure 7.

Flowchart depicting a brain-computer interface process. It starts with “Acquisition client,” which branches to “Generic stream writer” and “Bandpass filter 8–13 Hz.” This leads sequentially through “CSP Spatial Filter,” “Time based epoching,” “Signal Power Log,” “Feature aggregator,” and “Classifier processor.” There are outputs to “Graz Motor Imagery BCI stimulator” and “Graz visualization.” Each block is annotated with “In / Out / Set” denoting processes.

Screenshots of OpenViBE User Training/Testing algorithm. Combination of pipeline steps for user training and user testing consisting of the following steps: Bandpass filter 8–13 Hz Box, CSP spatial filter box, Time based epoching box, Signal Power Log box, Feature aggregator box, and textit Classifier processor box.