SAM 3D
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SAM 3D: 3Dfy Anything in Images
arXiv:2511.16624v2 Announce Type: replace Abstract: We present SAM 3D, a generative model for visually grounded 3D object reconstruction, predicting geometry, texture, and layout from a single image. SAM 3D excels in natural images, where occlusion and scene clutter are common and visual recognition cues from context play a larger role. We achieve this with a human- and model-in-the-loop pipeline for annotating object shape, texture, and pose, providing visually grounded 3D reconstruction...
Stream3D: Sequential Multi-View 3D Generation via Evidential Memory
arXiv:2605.21472v2 Announce Type: replace Abstract: View-conditioned 3D generators such as SAM 3D, TRELLIS, and Hunyuan3D produce high-quality object reconstructions from a single view, but real-world visual observation often arrives as long monocular streams. Naively applying these generators to each streaming frame independently leads to severe temporal inconsistency in the generated results. To address this problem, we propose Stream3D, the first training-free streaming mechanism that...
Stream3D: Sequential Multi-View 3D Generation via Evidential Memory
arXiv:2605.21472v3 Announce Type: replace Abstract: View-conditioned 3D generators such as SAM 3D, TRELLIS, and Hunyuan3D produce high-quality object reconstructions from a single view, but real-world visual observation often arrives as long monocular streams. Naively applying these generators to each streaming frame independently leads to severe temporal inconsistency in the generated results. To address this problem, we propose Stream3D, the first training-free streaming mechanism that...
3D Segment Anything Model with Visual Mamba for Diagnosing Placenta Accreta Spectrum
Announce Type: replace Abstract: Placenta Accreta Spectrum (PAS) is a rare but highly dangerous obstetric disease. Early and accurate PAS diagnosis is critical for maternal health. Traditional PAS diagnosis relies on experienced doctors by analyzing the cesarean history and Magnetic Resonance Imaging (MRI) data.
PerBite: A Curated Diagnostic Workflow for Bite-Aware Food Volume Estimation
Announce Type: new Abstract: Can a visually plausible food mesh be trusted to estimate the volume of consumed food? \method investigates this question using selected paired before- and after-consumption states from the MetaFood CVPR 2026 Continuous 3D Reconstruction While Eating Challenge. The submitted workflow follows a curated reconstruction protocol: SAM~3 segments the food and plate regions; Hunyuan3D/SAM~3D generates a dimensionless food mesh; the plate diameter provides the metric...
Whole-genome duplication shaped cell-type evolution in the vertebrate brain
Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...
Rethinking Multimodal Few-Shot 3D Point Cloud Segmentation: From Fused Refinement to Decoupled Arbitration
Announce Type: replace Abstract: In this paper, we revisit multimodal few-shot 3D point cloud semantic segmentation (FS-PCS), identifying a conflict in "Fuse-then-Refine" paradigms: the "Plasticity-Stability Dilemma." In addition, CLIP's inter-class confusion can result in semantic blindness. To address these issues, we present the Decoupled-experts Arbitration Few-Shot SegNet (DA-FSS), a model that effectively distinguishes between semantic and geometric paths and mutually regularizes their...
Shockwaves from dying stars may sculpt 'cosmic wagon wheel' stellar nurseries, simulations reveal
Shockwaves from dying stars may sculpt 'cosmic wagon wheel' stellar nurseries, simulations reveal Supernovas may specifically help create the wheels' spokes. Some of the galaxy's most spectacular stellar nurseries resemble giant cosmic wagon wheels, with spoke-like structures that scientists say were sculpted by shockwaves from stellar explosions and powerful stellar winds. Using powerful 3D simulations, researchers from Kyushu University and Nagoya University in Japan found that shockwaves...
Can cohosts Canada reach the knockout stages at World Cup 2026?
Can cohosts Canada reach the knockout stages at World Cup 2026? Canada are playing only their third World Cup, but have high hopes for a talented squad led by coach Jesse Marsch. Previous World Cup appearances: 2 Best performance: Group stage (1986, 2022) First appearance: 1986 (Mexico) Top goal scorer: Alphonso Davies (1) Player to watch: Alphonso Davies FIFA world ranking: 30 Football participation overtook ice hockey in Canada in the 1990s, but it has taken time to turn passion into...
Flush With Cash From OpenAI, Opal Is Making an AI-Powered Audio Gadget
A small San Francisco startup known for making well-appointed, beautifully designed webcams is now vying to become the AI hardware company of the moment. Opal Camera is rebranding to Opal Electronics and will expand its product portfolio beyond webcams to a broad range of consumer devices, some of which will be AI-focused. It aims to emulate Sony Electronics as a wide-ranging consumer gadget brand by focusing on design and culture, not just tech.