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Despite advancements in Neural Implicit models for 3D surface reconstruction, handling dynamic environments with interactions between arbitrary rigid, non-rigid, or deformable entities remains challenging. The generic reconstruction methods…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Sandika Biswas , Qianyi Wu , Biplab Banerjee , Hamid Rezatofighi

Image blending aims to combine multiple images seamlessly. It remains challenging for existing 2D-based methods, especially when input images are misaligned due to differences in 3D camera poses and object shapes. To tackle these issues, we…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Hyunsu Kim , Gayoung Lee , Yunjey Choi , Jin-Hwa Kim , Jun-Yan Zhu

The emergence of Neural Radiance Fields (NeRF) for novel view synthesis has increased interest in 3D scene editing. An essential task in editing is removing objects from a scene while ensuring visual reasonability and multiview consistency.…

计算机视觉与模式识别 · 计算机科学 2023-10-02 Youtan Yin , Zhoujie Fu , Fan Yang , Guosheng Lin

Recent breakthroughs in text-guided image generation have led to remarkable progress in the field of 3D synthesis from text. By optimizing neural radiance fields (NeRF) directly from text, recent methods are able to produce remarkable…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Dana Cohen-Bar , Elad Richardson , Gal Metzer , Raja Giryes , Daniel Cohen-Or

We tackle the task of scalable unsupervised object-centric representation learning on 3D scenes. Existing approaches to object-centric representation learning show limitations in generalizing to larger scenes as their learning processes…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Tianyu Wang , Kee Siong Ng , Miaomiao Liu

Transformer based methods have enabled users to create, modify, and comprehend text and image data. Recently proposed Large Reconstruction Models (LRMs) further extend this by providing the ability to generate high-quality 3D models with…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Kunal Kathare , Ankit Dhiman , K Vikas Gowda , Siddharth Aravindan , Shubham Monga , Basavaraja Shanthappa Vandrotti , Lokesh R Boregowda

Recently, the impressive generative capabilities of diffusion models have been demonstrated, producing images with remarkable fidelity. Particularly, existing methods for the 3D object generation tasks, which is one of the fastest-growing…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Jaeseok Lee , Jaekoo Lee

We introduce ROGR, a novel approach that reconstructs a relightable 3D model of an object captured from multiple views, driven by a generative relighting model that simulates the effects of placing the object under novel environment…

Text-driven object insertion in 3D scenes is an emerging task that enables intuitive scene editing through natural language. However, existing 2D editing-based methods often rely on spatial priors such as 2D masks or 3D bounding boxes, and…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Chenxi Li , Weijie Wang , Qiang Li , Bruno Lepri , Nicu Sebe , Weizhi Nie

We present a method for automatically modifying a NeRF representation based on a single observation of a non-rigid transformed version of the original scene. Our method defines the transformation as a 3D flow, specifically as a weighted…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Zhenggang Tang , Zhongzheng Ren , Xiaoming Zhao , Bowen Wen , Jonathan Tremblay , Stan Birchfield , Alexander Schwing

Impressive progress in generative models and implicit representations gave rise to methods that can generate 3D shapes of high quality. However, being able to locally control and edit shapes is another essential property that can unlock…

We propose a generative technique to edit 3D shapes, represented as meshes, NeRFs, or Gaussian Splats, in approximately 3 seconds, without the need for running an SDS type of optimization. Our key insight is to cast 3D editing as a…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Amir Barda , Matheus Gadelha , Vladimir G. Kim , Noam Aigerman , Amit H. Bermano , Thibault Groueix

We propose DistillNeRF, a self-supervised learning framework addressing the challenge of understanding 3D environments from limited 2D observations in outdoor autonomous driving scenes. Our method is a generalizable feedforward model that…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Letian Wang , Seung Wook Kim , Jiawei Yang , Cunjun Yu , Boris Ivanovic , Steven L. Waslander , Yue Wang , Sanja Fidler , Marco Pavone , Peter Karkus

Generative models have shown great promise in synthesizing photorealistic 3D objects, but they require large amounts of training data. We introduce SinGRAF, a 3D-aware generative model that is trained with a few input images of a single…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Minjung Son , Jeong Joon Park , Leonidas Guibas , Gordon Wetzstein

Recent research has demonstrated that the combination of pretrained diffusion models with neural radiance fields (NeRFs) has emerged as a promising approach for text-to-3D generation. Simply coupling NeRF with diffusion models will result…

计算机视觉与模式识别 · 计算机科学 2023-06-19 Lu Yu , Wei Xiang , Kang Han

We present a deep generative scene modeling technique for indoor environments. Our goal is to train a generative model using a feed-forward neural network that maps a prior distribution (e.g., a normal distribution) to the distribution of…

计算机视觉与模式识别 · 计算机科学 2018-08-08 Zaiwei Zhang , Zhenpei Yang , Chongyang Ma , Linjie Luo , Alexander Huth , Etienne Vouga , Qixing Huang

Indoor scene modification has emerged as a prominent area within computer vision, particularly for its applications in Augmented Reality (AR) and Virtual Reality (VR). Traditional methods often rely on pre-existing object databases and…

计算机视觉与模式识别 · 计算机科学 2024-08-13 Yiyang Luo , Ke Lin , Chao Gu

Text-guided diffusion models have shown superior performance in image/video generation and editing. While few explorations have been performed in 3D scenarios. In this paper, we discuss three fundamental and interesting problems on this…

计算机视觉与模式识别 · 计算机科学 2023-10-13 Gang Li , Heliang Zheng , Chaoyue Wang , Chang Li , Changwen Zheng , Dacheng Tao

The insertion of objects into a scene and relighting are commonly utilized applications in augmented reality (AR). Previous methods focused on inserting virtual objects using CAD models or real objects from single-view images, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Xuening Zhu , Renjiao Yi , Xin Wen , Chenyang Zhu , Kai Xu

Previous portrait image generation methods roughly fall into two categories: 2D GANs and 3D-aware GANs. 2D GANs can generate high fidelity portraits but with low view consistency. 3D-aware GAN methods can maintain view consistency but their…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Jingxiang Sun , Xuan Wang , Yong Zhang , Xiaoyu Li , Qi Zhang , Yebin Liu , Jue Wang