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Text-Driven Image Manipulation via Semantic-Aware Knowledge Transfer

Semantic-level facial attribute transfer is a special task to edit facial attribute, when reference images are viewed as conditions to control the image editing. In order to achieve better performance, semantic-level facial attribute transfer needs to fulfil two requirements: (1) specific attributes extracted from reference face should be precisely transferred to target face; (2) irrelevant information should be completely retained after transferring. Some existing methods locate and modify local support regions of facial images, which are not effective when editing global attributes; the other methods disentangle the latent code as different attribute-relevant parts, which may transfer redundant knowledge to target faces. In this paper, we first propose a novel text-driven directional latent mapping network with semantic direction consistency (SDC) constrain to explore the latent semantic space for effective attribute editing, leveraging the semantic-aware knowledge of Contrastive Language-Image Pre-training (CLIP) model as guidance. This latent space manipulation strategy is designed to disentangle the facial attribute, removing the redundant knowledge in the transfer process. And on this basis, a novel attribute transfer method, named semantic directional decomposition network (SDD-Net), is proposed to achieve semantic-level facial attribute transfer by latent semantic direction decomposition, improving the interpretability and editability of our method. Extensive experiments on CelebA-HQ dataset show that our method achieves impressive performance over the state-of-the-art methods.

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