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Unsupervised disentangled representation learning is a long-standing problem in computer vision. This work proposes a novel framework for performing image clustering from deep embeddings by combining instance-level contrastive learning with…

Machine Learning · Computer Science 2021-10-05 Ramakrishnan Sundareswaran , Jansel Herrera-Gerena , John Just , Ali Jannesari

Direct contour regression for instance segmentation is a challenging task. Previous works usually achieve it by learning to progressively refine the contour prediction or adopting a shape representation with limited expressiveness. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Tutian Tang , Wenqiang Xu , Ruolin Ye , Yan-Feng Wang , Cewu Lu

Instance segmentation of remote sensing images (RSIs) is an essential task for a wide range of applications such as land planning and intelligent transport. Instance segmentation of RSIs is constantly plagued by the unbalanced ratio of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Xuexue Li

Instance segmentation on point clouds is crucially important for 3D scene understanding. Most SOTAs adopt distance clustering, which is typically effective but does not perform well in segmenting adjacent objects with the same semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Weiguang Zhao , Yuyao Yan , Chaolong Yang , Jianan Ye , Xi Yang , Kaizhu Huang

Can a neural network estimate an object's dimension in the wild? In this paper, we propose a method and deep learning architecture to estimate the dimensions of a quadrilateral object of interest in videos using a monocular camera. The…

Computer Vision and Pattern Recognition · Computer Science 2022-12-29 Thariq Khalid , Mohammed Yahya Hakami , Riad Souissi

Prevalent state-of-the-art instance segmentation methods fall into a query-based scheme, in which instance masks are derived by querying the image feature using a set of instance-aware embeddings. In this work, we devise a new training…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Wenguan Wang , James Liang , Dongfang Liu

Modern one-stage video instance segmentation networks suffer from two limitations. First, convolutional features are neither aligned with anchor boxes nor with ground-truth bounding boxes, reducing the mask sensitivity to spatial location.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-13 Minghan Li , Shuai Li , Lida Li , Lei Zhang

Polygonal mesh reconstruction of a raw point cloud is a valuable topic in the field of computer graphics and 3D vision. Especially to 3D architectural models, polygonal mesh provides concise expressions for fundamental geometric structures…

Graphics · Computer Science 2024-07-30 Xin He , Chenlei Lv , Pengdi Huang , Hui Huang

In response to the ongoing COVID-19 pandemic, we present a robust deep learning pipeline that is capable of identifying correct and incorrect mask-wearing from real-time video streams. To accomplish this goal, we devised two separate…

Computer Vision and Pattern Recognition · Computer Science 2021-05-06 Yuchen Ding , Zichen Li , David Yastremsky

BiSeNet has been proved to be a popular two-stream network for real-time segmentation. However, its principle of adding an extra path to encode spatial information is time-consuming, and the backbones borrowed from pretrained tasks, e.g.,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-28 Mingyuan Fan , Shenqi Lai , Junshi Huang , Xiaoming Wei , Zhenhua Chai , Junfeng Luo , Xiaolin Wei

Letting a deep network be aware of the quality of its own predictions is an interesting yet important problem. In the task of instance segmentation, the confidence of instance classification is used as mask quality score in most instance…

Computer Vision and Pattern Recognition · Computer Science 2019-03-04 Zhaojin Huang , Lichao Huang , Yongchao Gong , Chang Huang , Xinggang Wang

Despite significant efforts, cutting-edge video segmentation methods still remain sensitive to occlusion and rapid movement, due to their reliance on the appearance of objects in the form of object embeddings, which are vulnerable to these…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Qihao Liu , Junfeng Wu , Yi Jiang , Xiang Bai , Alan Yuille , Song Bai

We present a learning approach for localization and segmentation of objects in an image in a manner that is robust to partial occlusion. Our algorithm produces a bounding box around the full extent of the object and labels pixels in the…

Computer Vision and Pattern Recognition · Computer Science 2015-07-29 Samarth Brahmbhatt , Heni Ben Amor , Henrik Christensen

Recent object detection systems rely on two critical steps: (1) a set of object proposals is predicted as efficiently as possible, and (2) this set of candidate proposals is then passed to an object classifier. Such approaches have been…

Computer Vision and Pattern Recognition · Computer Science 2015-09-02 Pedro O. Pinheiro , Ronan Collobert , Piotr Dollar

In recent years, the task of segmenting foreground objects from background in a video, i.e. video object segmentation (VOS), has received considerable attention. In this paper, we propose a single end-to-end trainable deep neural network,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-02 Ye Lyu , George Vosselman , Gui-Song Xia , Michael Ying Yang

Real-time light detection and ranging (LiDAR) perceptions, e.g., 3D object detection and simultaneous localization and mapping are computationally intensive to mobile devices of limited resources and often offloaded on the edge. Offloading…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Jin Heo , Gregorie Phillips , Per-Erik Brodin , Ada Gavrilovska

While 2D object detection has improved significantly over the past, real world applications of computer vision often require an understanding of the 3D layout of a scene. Many recent approaches to 3D detection use LiDAR point clouds for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-20 Jihao Andreas Lin , Jakob Brünker , Daniel Fährmann

Semantic segmentation and object detection research have recently achieved rapid progress. However, the former task has no notion of different instances of the same object, and the latter operates at a coarse, bounding-box level. We propose…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Anurag Arnab , Philip H. S Torr

Top-down instance segmentation framework has shown its superiority in object detection compared to the bottom-up framework. While it is efficient in addressing over-segmentation, top-down instance segmentation suffers from over-crop…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Qilong Zhangli , Jingru Yi , Di Liu , Xiaoxiao He , Zhaoyang Xia , Qi Chang , Ligong Han , Yunhe Gao , Song Wen , Haiming Tang , He Wang , Mu Zhou , Dimitris Metaxas

While there are a lot of models for instance segmentation, PolarMask stands out as a unique one that represents an object by a Polar coordinate system. With an anchor-box-free design and a single-stage framework that conducts detection and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Ke-Lei Wang , Pin-Hsuan Chou , Young-Ching Chou , Chia-Jen Liu , Cheng-Kuan Lin , Yu-Chee Tseng