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Related papers: Instance Shadow Detection

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We propose a novel recurrent attentional structure to localize and recognize objects jointly. The network can learn to extract a sequence of local observations with detailed appearance and rough context, instead of sliding windows or…

Computer Vision and Pattern Recognition · Computer Science 2017-12-20 Jie Lyu , Zejian Yuan , Dapeng Chen

Generating realistic shadows for inserted objects requires reasoning about scene geometry and illumination. However, most existing methods operate purely in image space, leaving the physical relationship between objects, lighting, and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Shilin Hu , Jingyi Xu , Akshat Dave , Dimitris Samaras , Hieu Le

We propose a novel GAN-based framework for detecting shadows in images, in which a shadow detection network (D-Net) is trained together with a shadow attenuation network (A-Net) that generates adversarial training examples. The A-Net…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Hieu Le , Tomas F. Yago Vicente , Vu Nguyen , Minh Hoai , Dimitris Samaras

Deep learning has significantly improved the precision of instance segmentation with abundant labeled data. However, in many areas like medical and manufacturing, collecting sufficient data is extremely hard and labeling this data requires…

Computer Vision and Pattern Recognition · Computer Science 2021-06-02 Ye Zheng , Jiahong Wu , Yongqiang Qin , Faen Zhang , Li Cui

Vision-based road detection is an essential functionality for supporting advanced driver assistance systems (ADAS) such as road following and vehicle and pedestrian detection. The major challenges of road detection are dealing with shadows…

Computer Vision and Pattern Recognition · Computer Science 2014-12-11 José M. Álvarez , Ferran Diego , Joan Serrat , Antonio M. López

Shadows are frequently encountered natural phenomena that significantly hinder the performance of computer vision perception systems in practical settings, e.g., autonomous driving. A solution to this would be to eliminate shadow regions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Subhrajyoti Dasgupta , Arindam Das , Senthil Yogamani , Sudip Das , Ciaran Eising , Andrei Bursuc , Ujjwal Bhattacharya

Video shadow detection aims to generate consistent shadow predictions among video frames. However, the current approaches suffer from inconsistent shadow predictions across frames, especially when the illumination and background textures…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Xinpeng Ding , Jingweng Yang , Xiaowei Hu , Xiaomeng Li

We study the sample complexity of shadow tomography in the high-precision regime under realistic measurement constraints. Given an unknown $d$-dimensional quantum state $\rho$ and a known set of observables $\{O_i\}_{i=1}^m$, the goal is to…

Quantum Physics · Physics 2026-02-06 Senrui Chen , Weiyuan Gong , Sisi Zhou

The detection of object states in images (State Detection - SD) is a problem of both theoretical and practical importance and it is tightly interwoven with other important computer vision problems, such as action recognition and affordance…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Filippos Gouidis , Theodore Patkos , Antonis Argyros , Dimitris Plexousakis

Existing Earth Vision datasets are either suitable for semantic segmentation or object detection. In this work, we introduce the first benchmark dataset for instance segmentation in aerial imagery that combines instance-level object…

Computer Vision and Pattern Recognition · Computer Science 2019-08-29 Syed Waqas Zamir , Aditya Arora , Akshita Gupta , Salman Khan , Guolei Sun , Fahad Shahbaz Khan , Fan Zhu , Ling Shao , Gui-Song Xia , Xiang Bai

Nowadays, users demand for increased personalization of vision systems to localize and identify personal instances of objects (e.g., my dog rather than dog) from a few-shot dataset only. Despite outstanding results of deep networks on…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Umberto Michieli , Jijoong Moon , Daehyun Kim , Mete Ozay

In this work, we tackle the problem of instance segmentation, the task of simultaneously solving object detection and semantic segmentation. Towards this goal, we present a model, called MaskLab, which produces three outputs: box detection,…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Liang-Chieh Chen , Alexander Hermans , George Papandreou , Florian Schroff , Peng Wang , Hartwig Adam

Although point-based networks are demonstrated to be accurate for 3D point cloud modeling, they are still falling behind their voxel-based competitors in 3D detection. We observe that the prevailing set abstraction design for down-sampling…

Computer Vision and Pattern Recognition · Computer Science 2022-01-07 Chen Chen , Zhe Chen , Jing Zhang , Dacheng Tao

Safety of the Intended Functionality (SOTIF) addresses sensor performance limitations and deep learning-based object detection insufficiencies to ensure the intended functionality of Automated Driving Systems (ADS). This paper presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Milin Patel , Rolf Jung

Outdoor scene relighting is a challenging problem that requires good understanding of the scene geometry, illumination and albedo. Current techniques are completely supervised, requiring high quality synthetic renderings to train a…

Computer Vision and Pattern Recognition · Computer Science 2021-07-08 Ye Yu , Abhimitra Meka , Mohamed Elgharib , Hans-Peter Seidel , Christian Theobalt , William A. P. Smith

Shadow boundaries can be confused with material boundaries as both exhibit sharp changes in luminance or contrast within a scene. However, shadows do not modify the intrinsic color or texture of surfaces. Therefore, on both sides of shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Shilin Hu , Hieu Le , ShahRukh Athar , Sagnik Das , Dimitris Samaras

Salient object detection (SOD), which aims to find the most important region of interest and segment the relevant object/item in that area, is an important yet challenging vision task. This problem is inspired by the fact that human seems…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Pingping Zhang , Huchuan Lu , Chunhua Shen

Shadows often occur when we capture the documents with casual equipment, which influences the visual quality and readability of the digital copies. Different from the algorithms for natural shadow removal, the algorithms in document shadow…

Computer Vision and Pattern Recognition · Computer Science 2024-06-19 Zinuo Li , Xuhang Chen , Chi-Man Pun , Xiaodong Cun

We propose the ambiguity problem for the foreground object segmentation task and motivate the importance of estimating and accounting for this ambiguity when designing vision systems. Specifically, we distinguish between images which lead…

Computer Vision and Pattern Recognition · Computer Science 2017-05-02 Danna Gurari , Kun He , Bo Xiong , Jianming Zhang , Mehrnoosh Sameki , Suyog Dutt Jain , Stan Sclaroff , Margrit Betke , Kristen Grauman

Many objects do not appear frequently enough in complex scenes (e.g., certain handbags in living rooms) for training an accurate object detector, but are often found frequently by themselves (e.g., in product images). Yet, these…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Cheng Zhang , Tai-Yu Pan , Yandong Li , Hexiang Hu , Dong Xuan , Soravit Changpinyo , Boqing Gong , Wei-Lun Chao
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