Add --backend and --use-v2 support for segmentation references #588

Job	Run time
linux (linux.12xlarge, cpu) / linux-job	3m 32s
linux (linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	8m 37s
macos (macos-12) / macos-job	1m 48s
macos (macos-m1-12) / macos-job	2m 16s
windows (windows.4xlarge, cpu) / windows-job	2m 11s
windows (windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job	10m 35s
	28m 59s

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