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With the increasing availability of large databases of 3D CAD models, depth-based recognition methods can be trained on an uncountable number of synthetically rendered images. However, discrepancies with the real data acquired from various…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Sergey Zakharov , Benjamin Planche , Ziyan Wu , Andreas Hutter , Harald Kosch , Slobodan Ilic

Applying data-driven approaches to non-rigid 3D reconstruction has been difficult, which we believe can be attributed to the lack of a large-scale training corpus. Unfortunately, this method fails for important cases such as highly…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Aljaž Božič , Michael Zollhöfer , Christian Theobalt , Matthias Nießner

We introduce a method that can learn to predict scene-level implicit functions for 3D reconstruction from posed RGBD data. At test time, our system maps a previously unseen RGB image to a 3D reconstruction of a scene via implicit functions.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Nilesh Kulkarni , Linyi Jin , Justin Johnson , David F. Fouhey

Understanding three-dimensional (3D) geometries from two-dimensional (2D) images without any labeled information is promising for understanding the real world without incurring annotation cost. We herein propose a novel generative model,…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Atsuhiro Noguchi , Tatsuya Harada

A key goal of computer vision is to recover the underlying 3D structure from 2D observations of the world. In this paper we learn strong deep generative models of 3D structures, and recover these structures from 3D and 2D images via…

Computer Vision and Pattern Recognition · Computer Science 2018-06-20 Danilo Jimenez Rezende , S. M. Ali Eslami , Shakir Mohamed , Peter Battaglia , Max Jaderberg , Nicolas Heess

We present Scan2CAD, a novel data-driven method that learns to align clean 3D CAD models from a shape database to the noisy and incomplete geometry of a commodity RGB-D scan. For a 3D reconstruction of an indoor scene, our method takes as…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Armen Avetisyan , Manuel Dahnert , Angela Dai , Manolis Savva , Angel X. Chang , Matthias Nießner

Scene extrapolation -- the idea of generating novel views by flying into a given image -- is a promising, yet challenging task. For each predicted frame, a joint inpainting and 3D refinement problem has to be solved, which is ill posed and…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Shengqu Cai , Eric Ryan Chan , Songyou Peng , Mohamad Shahbazi , Anton Obukhov , Luc Van Gool , Gordon Wetzstein

Passive, compact, single-shot 3D sensing is useful in many application areas such as microscopy, medical imaging, surgical navigation, and autonomous driving where form factor, time, and power constraints can exist. Obtaining RGB-D scene…

Image and Video Processing · Electrical Eng. & Systems 2024-04-02 Bhargav Ghanekar , Salman Siddique Khan , Pranav Sharma , Shreyas Singh , Vivek Boominathan , Kaushik Mitra , Ashok Veeraraghavan

We propose SparseFusion, a sparse view 3D reconstruction approach that unifies recent advances in neural rendering and probabilistic image generation. Existing approaches typically build on neural rendering with re-projected features but…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Zhizhuo Zhou , Shubham Tulsiani

Three-dimensional (3D) reconstruction from a single image is an ill-posed problem with inherent ambiguities, i.e. scale. Predicting a 3D scene from text description(s) is similarly ill-posed, i.e. spatial arrangements of objects described.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Ziyao Zeng , Daniel Wang , Fengyu Yang , Hyoungseob Park , Yangchao Wu , Stefano Soatto , Byung-Woo Hong , Dong Lao , Alex Wong

Recent data-driven image colorization methods have enabled automatic or reference-based colorization, while still suffering from unsatisfactory and inaccurate object-level color control. To address these issues, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Jianxin Lin , Peng Xiao , Yijun Wang , Rongju Zhang , Xiangxiang Zeng

In this paper, we present a weakly-supervised RGB-D salient object detection model via scribble supervision. Specifically, as a multimodal learning task, we focus on effective multimodal representation learning via inter-modal mutual…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Aixuan Li , Yuxin Mao , Jing Zhang , Yuchao Dai

In this paper, we present a new perspective towards image-based shape generation. Most existing deep learning based shape reconstruction methods employ a single-view deterministic model which is sometimes insufficient to determine a single…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Yi Wei , Shaohui Liu , Wang Zhao , Jiwen Lu , Jie Zhou

The remarkable generative capabilities of denoising diffusion models have raised new concerns regarding the authenticity of the images we see every day on the Internet. However, the vast majority of existing deepfake detection models are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Dragos Tantaru , Elisabeta Oneata , Dan Oneata

Hyperspectral imaging is one of the most promising techniques for intraoperative tissue characterisation. Snapshot mosaic cameras, which can capture hyperspectral data in a single exposure, have the potential to make a real-time…

Image and Video Processing · Electrical Eng. & Systems 2021-12-02 Peichao Li , Michael Ebner , Philip Noonan , Conor Horgan , Anisha Bahl , Sebastien Ourselin , Jonathan Shapey , Tom Vercauteren

Recently, reconstruction-based methods have gained attention for AIGC image detection. These methods leverage pre-trained diffusion models to reconstruct inputs and measure residuals for distinguishing real from fake images. Their key…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Qingyu Liu , Zhongjie Ba , Jianmin Guo , Qiu Wang , Zhibo Wang , Jie Shi , Kui Ren

Deep reinforcement learning has achieved great success in laser-based collision avoidance works because the laser can sense accurate depth information without too much redundant data, which can maintain the robustness of the algorithm when…

Robotics · Computer Science 2022-09-02 Jianchuan Ding , Lingping Gao , Wenxi Liu , Haiyin Piao , Jia Pan , Zhenjun Du , Xin Yang , Baocai Yin

The creation of manufacturable and editable 3D shapes through Computer-Aided Design (CAD) remains a highly manual and time-consuming task, hampered by the complex topology of boundary representations of 3D solids and unintuitive design…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Md Ferdous Alam , Faez Ahmed

Reconstructing 3D objects from a single image remains challenging, especially under real-world occlusions. While recent diffusion-based view synthesis models can generate consistent novel views from a single RGB image, they typically assume…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yansong Qu , Shaohui Dai , Xinyang Li , Yuze Wang , You Shen , Liujuan Cao , Rongrong Ji

Recent approaches to jointly reconstruct 3D humans and objects from a single RGB image represent 3D shapes with template-based or coarse models, which fail to capture details of loose clothing on human bodies. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Ayushi Dutta , Marco Pesavento , Marco Volino , Adrian Hilton , Armin Mustafa