Revert "added default constructor to Capture::Obj"

This reverts commit 76d32c451975064b64b451f0d8d2fdee77d93f0e.
Revert "Revert "added default constructor to Capture::Obj""

This reverts commit 438f2cd237eb162ff56e6ddcf9755688aab3a7b8.
Revert "Revert "Revert "added default constructor to Capture::Obj"""

This reverts commit 8d9bbca707cca5d127794baf489e8ff508b5dee8.