Fig. 7: Example images of samples at different maturity levels.
From: A maturity classification model for winter jujubes based on DSAF-ResNet

a Immature stage. b Early ripening stage. c Mid ripening stage. d Late ripening stage.
From: A maturity classification model for winter jujubes based on DSAF-ResNet

a Immature stage. b Early ripening stage. c Mid ripening stage. d Late ripening stage.