mlsanityData to 14 Oct 2026

Orientation Matters: Making 3D Generative Models Orientation-Aligned

arXiv 2506.08640 ↗First posted 10 Jun 2025cs.CVcited by 13

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Abstract (arXiv)

Humans intuitively perceive object shape and orientation from a single image, guided by strong priors about canonical poses. However, existing 3D generative models often produce misaligned results due to inconsistent training data, limiting their usability in downstream tasks. To address this gap, we introduce the task of orientation-aligned 3D object generation: producing 3D objects from single images with consistent orientations across categories. To facilitate this, we construct Objaverse-OA, a dataset of 14,832 orientation-aligned 3D models spanning 1,008 categories. Leveraging Objaverse-OA, we fine-tune two representative 3D generative models based on multi-view diffusion and 3D variational autoencoder frameworks to produce aligned objects that generalize well to unseen objects across various categories. Experimental results demonstrate the superiority of our method over post-hoc alignment approaches. Furthermore, we showcase downstream applications enabled by our aligned object generation, including zero-shot object orientation estimation via analysis-by-synthesis and efficient arrow-based object rotation manipulation.

Key facts. Cited by 13 papers in the map (data through 14 Oct 2026). Builds on 59 of its 64 references that are in the map. First posted on arXiv 10 Jun 2025.

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59 of 64 references.

References · 59

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38 more
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