Text2Place: Affordance-aware Text Guided Human Placement

• URL: http://arxiv.org/abs/2407.15446v1
• Date: Mon, 22 Jul 2024 08:00:06 GMT
• Title: Text2Place: Affordance-aware Text Guided Human Placement
• Authors: Rishubh Parihar, Harsh Gupta, Sachidanand VS, R. Venkatesh Babu,
• Abstract summary: This work tackles the problem of realistic human insertion in a given background scene termed as textbfSemantic Human Placement. For learning semantic masks, we leverage rich object-scene priors learned from the text-to-image generative models. The proposed method can generate highly realistic scene compositions while preserving the background and subject identity.
• Score: 26.041917073228483
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: For a given scene, humans can easily reason for the locations and pose to place objects. Designing a computational model to reason about these affordances poses a significant challenge, mirroring the intuitive reasoning abilities of humans. This work tackles the problem of realistic human insertion in a given background scene termed as \textbf{Semantic Human Placement}. This task is extremely challenging given the diverse backgrounds, scale, and pose of the generated person and, finally, the identity preservation of the person. We divide the problem into the following two stages \textbf{i)} learning \textit{semantic masks} using text guidance for localizing regions in the image to place humans and \textbf{ii)} subject-conditioned inpainting to place a given subject adhering to the scene affordance within the \textit{semantic masks}. For learning semantic masks, we leverage rich object-scene priors learned from the text-to-image generative models and optimize a novel parameterization of the semantic mask, eliminating the need for large-scale training. To the best of our knowledge, we are the first ones to provide an effective solution for realistic human placements in diverse real-world scenes. The proposed method can generate highly realistic scene compositions while preserving the background and subject identity. Further, we present results for several downstream tasks - scene hallucination from a single or multiple generated persons and text-based attribute editing. With extensive comparisons against strong baselines, we show the superiority of our method in realistic human placement.

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