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首次观测 · 记录 #1CVF · CVPR 2026:cvf:0abf156e0d6681a713d7ab6203242a0fCVF · CVPR 2026

Evidential Neural Radiance Fields

Duan, Ruxiao, Wong, Alex

原文摘要

Understanding sources of uncertainty is fundamental to trustworthy three-dimensional scene modeling. While recent advances in neural radiance fields (NeRFs) achieve impressive accuracy in scene reconstruction and novel view synthesis, the lack of uncertainty estimation significantly limits their deployment in safety-critical settings. Existing uncertainty quantification methods for NeRFs fail to separately capture both aleatoric and epistemic uncertainties. Among those that do quantify one or the other, many of them either compromise rendering quality or incur significant computational overhead to obtain uncertainty estimates. To address these issues, we introduce Evidential Neural Radiance Fields, a probabilistic approach that seamlessly integrates with the NeRF rendering process, enabling direct quantification of both aleatoric and epistemic uncertainties from a single forward pass. We compare multiple uncertainty quantification methods on three standardized benchmarks, where our approach demonstrates state-of-the-art scene reconstruction fidelity and uncertainty estimation quality. Code is available at https://github.com/KerryDRX/EvidentialNeRF.

cs.CV

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition · 2026 · 正式发表

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CVF · CVPR 2026 ↗PDF ↗
首次观测 · 记录 #1CVF · CVPR 2026:cvf:2840eca91aff35caf356dc4d83b7fa57CVF · CVPR 2026

Radar-Guided Polynomial Fitting for Metric Depth Estimation

Rim, Patrick, Park, Hyoungseob, Ezhov, Vadim, Moon, Jeffrey, Wong, Alex

原文摘要

We propose POLAR, a novel radar-guided depth estimation method that introduces polynomial fitting to efficiently transform scaleless depth predictions from pretrained monocular depth estimation (MDE) models into metric depth maps. Unlike existing approaches that rely on complex architectures or expensive sensors, our method is grounded in a fundamental insight: although MDE models often infer reasonable local depth structure within each object or local region, they may misalign these regions relative to one another, making a linear scale and shift (affine) transformation insufficient given three or more of these regions. To address this limitation, we use polynomial coefficients predicted from cheap, ubiquitous radar data to adaptively adjust predictions non-uniformly across depth ranges. In this way, POLAR generalizes beyond affine transformations and is able to correct such misalignments by introducing inflection points. Importantly, our polynomial fitting framework preserves structural consistency through a novel training objective that enforces local monotonicity via first-derivative regularization. POLAR achieves state-of-the-art performance across three datasets, outperforming existing methods by an average of 24.9% in MAE and 33.2% in RMSE, while also achieving state-of-the-art efficiency in terms of latency and computational cost.

cs.CV

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition · 2026 · 正式发表

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CVF · CVPR 2026 ↗PDF ↗
首次观测 · 记录 #1CVF · CVPR 2026:cvf:86a9adb2102ecf8fd1b00e34419397c3CVF · CVPR 2026

SHOW3D: Capturing Scenes of 3D Hands and Objects in the Wild

Rim, Patrick, Harris, Kevin, Copple, Braden, Han, Shangchen, Xie, Xu, Shugurov, Ivan, An, Sizhe, Wen, He 等 11 位作者

原文摘要

Accurate 3D understanding of human hands and objects during manipulation remains a significant challenge for egocentric computer vision. Existing hand-object interaction datasets are predominantly captured in controlled studio settings, which limits both environmental diversity and the ability of models trained on such data to generalize to real-world scenarios. To address this challenge, we introduce a novel marker-less multi-camera system that allows for nearly unconstrained mobility in genuinely in-the-wild conditions, while still having the ability to generate precise 3D annotations of hands and objects. The capture system consists of a lightweight, back-mounted, multi-camera rig that is synchronized and calibrated with a user-worn VR headset. For 3D ground-truth annotation of hands and objects, we develop an ego-exo tracking pipeline and rigorously evaluate its quality. Finally, we present SHOW3D, the first large-scale dataset with 3D annotations that show hands interacting with objects in diverse real-world environments, including outdoor settings. Our approach significantly reduces the fundamental trade-off between environmental realism and accuracy of 3D annotations, which we validate with experiments on several downstream tasks. The dataset will be publicly released upon acceptance. show3d-dataset.github.io

cs.CV

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition · 2026 · 正式发表

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CVF · CVPR 2026 ↗PDF ↗
首次观测 · 记录 #1CVF · CVPR 2026:cvf:bbae92be1441ce37fe7bc099f2ffd7dbCVF · CVPR 2026

Iris: Integrating Language into Diffusion-based Monocular Depth Estimation

Zeng, Ziyao, Ni, Jingcheng, Wang, Daniel, Rim, Patrick, Chung, Younjoon, Yang, Fengyu, Hong, Byung-Woo, Wong, Alex

原文摘要

Conventional monocular depth estimators suffer from visual ambiguities and nuisances. We demonstrate that language can improve the fidelity of estimates by providing additional information through text as a condition, thereby reducing the solution space for depth estimates. This conditional distribution is learned during text-to-image pre-training of diffusion models. To generate images under various viewpoints and layouts that reflect textual descriptions, the model implicitly encodes object shapes and their spatial relationships, comprising the 3-dimensional (3D) scene structure. We investigate the benefits of integrating text descriptions into the training and inference of the diffusion-based monocular depth estimators (MDE). We experiment with three different diffusion-based MDEs, namely Marigold, Lotus, and E2E-FT, and their variants. By training on HyperSim and Virtual KITTI, and evaluating on NYUv2, KITTI, ETH3D, ScanNet, and DIODE, we find that our strategy of integrating text into MDEs improves the overall accuracy of depth estimates, especially in small areas. The effect is also targeted in that improvements are more pronounced in specific regions described in the text. Naturally, this lends to iterative refinement of the depth estimate by providing additional descriptions of the 3D scene. Separately, we find that incorporating text can accelerate convergence of training and the inference diffusion trajectory.

cs.CV

Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition · 2026 · 正式发表

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CVF · CVPR 2026 ↗PDF ↗