Figure 2. Overall architecture of MFuser. MFuser takes inputs through both VFM and VLM visual encoders. Features from each encoder layer are concatenated and refined in MVFuser, which captures sequential and spatial dependencies in parallel. The refined features are then added back to the original features and passed to the next layer. MTEnhancer strengthens text embeddings of each class by integrating visualfeaturesthroughahybridattention-Mambamechanism. TheenhancedtextembeddingsserveasobjectqueriesfortheMask2Former decoder, alongside multi-scale visual features. During training, only MVFusers, MTEnhancers, and the segmentation decoder are trainable while the VFM and VLM remain frozen, preserving their generalization ability and enabling efficient training. Note that skip connections between each block of MTEnhancer are omitted for clarity.