Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:9 Matching between the bounding boxes computed by our video-based fish identification method [2] (in red) and the ones (in green) provided in the FishCLEF 31K dataset Multimed Tools Appl (2016) 75:1701–1720 1713
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