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In this paper, we propose an end to end solution for image matting i.e high-precision extraction of foreground objects from natural images. Image matting and background detection can be achieved easily through chroma keying in a studio…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Rishab Sharma , Rahul Deora , Anirudha Vishvakarma

Point clouds are often sparse and incomplete, which imposes difficulties for real-world applications. Existing shape completion methods tend to generate rough shapes without fine-grained details. Considering this, we introduce a two-branch…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

Click Through Rate (CTR) prediction plays an essential role in recommender systems and online advertising. It is crucial to effectively model feature interactions to improve the prediction performance of CTR models. However, existing…

Information Retrieval · Computer Science 2023-11-09 Fangye Wang , Hansu Gu , Dongsheng Li , Tun Lu , Peng Zhang , Ning Gu

Transformer-based networks have achieved impressive performance in 3D point cloud understanding. However, most of them concentrate on aggregating local features, but neglect to directly model global dependencies, which results in a limited…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Hengjia Li , Tu Zheng , Zhihao Chi , Zheng Yang , Wenxiao Wang , Boxi Wu , Binbin Lin , Deng Cai

LiDAR depth-only completion is a challenging task to estimate dense depth maps only from sparse measurement points obtained by LiDAR. Even though the depth-only methods have been widely developed, there is still a significant performance…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Yufei Wang , Yuchao Dai , Qi Liu , Peng Yang , Jiadai Sun , Bo Li

Depth completion starts from a sparse set of known depth values and estimates the unknown depths for the remaining image pixels. Most methods model this as depth interpolation and erroneously interpolate depth pixels into the empty space…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Saif Imran , Xiaoming Liu , Daniel Morris

Gait recognition has emerged as a compelling biometric modality for surveillance and security applications, offering inherent advantages such as non-intrusiveness, resistance to disguise, and long-range identification capability. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Yabo Luo , Xiaoyun Wang , Cunrong Li

The sensing and manipulation of transparent objects present a critical challenge in industrial and laboratory robotics. Conventional sensors face challenges in obtaining the full depth of transparent objects due to the refraction and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Xianghui Fan , Chao Ye , Anping Deng , Xiaotian Wu , Mengyang Pan , Hang Yang

Depth estimation and 3D object detection are critical for scene understanding but remain challenging to perform with a single image due to the loss of 3D information during image capture. Recent models using deep neural networks have…

Computer Vision and Pattern Recognition · Computer Science 2019-04-19 Julie Chang , Gordon Wetzstein

Depth completion aims to recover a dense depth map from a sparse depth map with the corresponding color image as input. Recent approaches mainly formulate depth completion as a one-stage end-to-end learning task, which outputs dense depth…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Lina Liu , Xibin Song , Xiaoyang Lyu , Junwei Diao , Mengmeng Wang , Yong Liu , Liangjun Zhang

Image dehazing aims to recover the uncorrupted content from a hazy image. Instead of leveraging traditional low-level or handcrafted image priors as the restoration constraints, e.g., dark channels and increased contrast, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Dongdong Chen , Mingming He , Qingnan Fan , Jing Liao , Liheng Zhang , Dongdong Hou , Lu Yuan , Gang Hua

Fine-grained classification of microscopic image data with limited samples is an open problem in computer vision and biomedical imaging. Deep learning based vision systems mostly deal with high number of low-resolution images, whereas…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Mengran Fan , Tapabrata Chakrabort , Eric I-Chao Chang , Yan Xu , Jens Rittscher

Shape completion, the problem of estimating the complete geometry of objects from partial observations, lies at the core of many vision and robotics applications. In this work, we propose Point Completion Network (PCN), a novel…

Computer Vision and Pattern Recognition · Computer Science 2019-09-30 Wentao Yuan , Tejas Khot , David Held , Christoph Mertz , Martial Hebert

This research presents a novel depth estimation algorithm based on a Transformer-encoder architecture, tailored for the NYU and KITTI Depth Dataset. This research adopts a transformer model, initially renowned for its success in natural…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Linhan Xia , Junbang Liu , Tong Wu

Exploiting internal spatial geometric constraints of sparse LiDARs is beneficial to depth completion, however, has been not explored well. This paper proposes an efficient method to learn geometry-aware embedding, which encodes the local…

Computer Vision and Pattern Recognition · Computer Science 2022-06-02 Wenchao Du , Hu Chen , Hongyu Yang , Yi Zhang

Point clouds are often sparse and incomplete. Existing shape completion methods are incapable of generating details of objects or learning the complex point distributions. To this end, we propose a cascaded refinement network together with…

Computer Vision and Pattern Recognition · Computer Science 2020-06-08 Xiaogang Wang , Marcelo H Ang , Gim Hee Lee

Identifying robust and accurate correspondences across images is a fundamental problem in computer vision that enables various downstream tasks. Recent semi-dense matching methods emphasize the effectiveness of fusing relevant cross-view…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Hongkai Chen , Zixin Luo , Yurun Tian , Xuyang Bai , Ziyu Wang , Lei Zhou , Mingmin Zhen , Tian Fang , David McKinnon , Yanghai Tsin , Long Quan

Point clouds and images could provide complementary information when representing 3D objects. Fusing the two kinds of data usually helps to improve the detection results. However, it is challenging to fuse the two data modalities, due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-31 Xun Tan , Xingyu Chen , Guowei Zhang , Jishiyu Ding , Xuguang Lan

We propose a data-driven method for recovering miss-ing parts of 3D shapes. Our method is based on a new deep learning architecture consisting of two sub-networks: a global structure inference network and a local geometry refinement…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Xiaoguang Han , Zhen Li , Haibin Huang , Evangelos Kalogerakis , Yizhou Yu

Stereo-LiDAR fusion is a promising task in that we can utilize two different types of 3D perceptions for practical usage -- dense 3D information (stereo cameras) and highly-accurate sparse point clouds (LiDAR). However, due to their…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Jaesung Choe , Kyungdon Joo , Tooba Imtiaz , In So Kweon
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