(a) SAMSAMEncoderSAMFeatureMixerVisual PromptMaskSAM MaskHead(b) SCA🔥 Trainable ❄️ FrozenSAMEncoder❄️🔥Visual Prompt❄️CaptionA brown corgi running on the grass.MaskCausalLM❄️SAM MaskHead❄️DogLabelHybridFeatureMixer