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A laser scanner can easily acquire the geometric data of physical environments in the form of a point cloud. Recognizing objects from a point cloud is often required for industrial 3D reconstruction, which should include not only geometry…

计算机视觉与模式识别 · 计算机科学 2020-07-01 Hyungki Kim , Moohyun Cha , Duhwan Mun

Many visual surveillance tasks, e.g.video summarisation, is conventionally accomplished through analysing imagerybased features. Relying solely on visual cues for public surveillance video understanding is unreliable, since visual…

计算机视觉与模式识别 · 计算机科学 2015-02-10 Xiatian Zhu , Chen Change Loy , Shaogang Gong

With the development of multimedia time, one sample can always be described from multiple views which contain compatible and complementary information. Most algorithms cannot take information from multiple views into considerations and fail…

计算机视觉与模式识别 · 计算机科学 2019-03-20 Huibing Wang , Jinjia Peng , Xianping Fu

Image-text matching plays a central role in bridging vision and language. Most existing approaches only rely on the image-text instance pair to learn their representations, thereby exploiting their matching relationships and making the…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Haoran Wang , Ying Zhang , Zhong Ji , Yanwei Pang , Lin Ma

Illumination estimation is often used in mixed reality to re-render a scene from another point of view, to change the color/texture of an object, or to insert a virtual object consistently lit into a real video or photograph. Specifically,…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Grégoire Nieto , Salma Jiddi , Philippe Robert

Rapid increase of digitized document give birth to high demand of document image retrieval. While conventional document image retrieval approaches depend on complex OCR-based text recognition and text similarity detection, this paper…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Mao Tan , Si-Ping Yuan , Yong-Xin Su

We present MVD-Fusion: a method for single-view 3D inference via generative modeling of multi-view-consistent RGB-D images. While recent methods pursuing 3D inference advocate learning novel-view generative models, these generations are not…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Hanzhe Hu , Zhizhuo Zhou , Varun Jampani , Shubham Tulsiani

3D shape completion is important to enable machines to perceive the complete geometry of objects from partial observations. To address this problem, view-based methods have been presented. These methods represent shapes as multiple depth…

计算机视觉与模式识别 · 计算机科学 2019-12-02 Tao Hu , Zhizhong Han , Matthias Zwicker

The task of synthesizing novel views from a single image is highly ill-posed due to multiple explanations for unobserved areas. Most current methods tend to generate unseen regions from ambiguity priors and interpolation near input views,…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Haowang Cui , Rui Chen , Jiaze Wang , Tao Guo , Zheng Qin

Real-time rendering with global illumination is crucial to afford the user realistic experience in virtual environments. We present a learning-based estimator to predict diffuse indirect illumination in screen space, which then is combined…

图形学 · 计算机科学 2025-11-06 Meng Gai , Guoping Wang , Sheng Li

Generating dense multiview images from text prompts is crucial for creating high-fidelity 3D assets. Nevertheless, existing methods struggle with space-view correspondences, resulting in sparse and low-quality outputs. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2024-08-27 Bonan Li , Zicheng Zhang , Xingyi Yang , Xinchao Wang

We explore the problem of view synthesis from a narrow baseline pair of images, and focus on generating high-quality view extrapolations with plausible disocclusions. Our method builds upon prior work in predicting a multiplane image (MPI),…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Pratul P. Srinivasan , Richard Tucker , Jonathan T. Barron , Ravi Ramamoorthi , Ren Ng , Noah Snavely

Similarity between objects is multi-faceted and it can be easier for human annotators to measure it when the focus is on a specific aspect. We consider the problem of mapping objects into view-specific embeddings where the distance between…

机器学习 · 统计学 2015-10-08 Liwen Zhang , Subhransu Maji , Ryota Tomioka

We present PyGFit, a program designed to measure PSF-matched photometry from images with disparate pixel scales and PSF sizes. While PyGFit has a number of uses, its primary purpose is to extract robust spectral energy distributions (SEDs)…

天体物理仪器与方法 · 物理学 2015-06-17 Conor L. Mancone , Anthony H. Gonzalez , Leonidas A. Moustakas , Andrew Price

Multi-view clustering has been applied in many real-world applications where original data often contain noises. Some graph-based multi-view clustering methods have been proposed to try to reduce the negative influence of noises. However,…

机器学习 · 计算机科学 2026-05-26 Xiang Fang , Yuchong Hu

State-of-the-art methods for counting people in crowded scenes rely on deep networks to estimate crowd density. They typically use the same filters over the whole image or over large image patches. Only then do they estimate local scale to…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Weizhe Liu , Mathieu Salzmann , Pascal Fua

The objective of multi-view unsupervised feature and instance co-selection is to simultaneously iden-tify the most representative features and samples from multi-view unlabeled data, which aids in mit-igating the curse of dimensionality and…

机器学习 · 计算机科学 2024-12-10 Yanyong Huang , Yuxin Cai , Dongjie Wang , Xiuwen Yi , Tianrui Li

In this paper, we present a new self-supervised scene flow estimation approach for a pair of consecutive point clouds. The key idea of our approach is to represent discrete point clouds as continuous probability density functions using…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Pan He , Patrick Emami , Sanjay Ranka , Anand Rangarajan

Aggregating signals from a collection of noisy sources is a fundamental problem in many domains including crowd-sourcing, multi-agent planning, sensor networks, signal processing, voting, ensemble learning, and federated learning. The core…

机器学习 · 计算机科学 2022-06-07 Ben Abramowitz , Nicholas Mattei

Recognizing out-of-distribution (OOD) samples is critical for machine learning systems deployed in the open world. The vast majority of OOD detection methods are driven by a single modality (e.g., either vision or language), leaving the…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Yifei Ming , Ziyang Cai , Jiuxiang Gu , Yiyou Sun , Wei Li , Yixuan Li