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Both visual and auditory information are valuable to determine the salient regions in videos. Deep convolution neural networks (CNN) showcase strong capacity in coping with the audio-visual saliency prediction task. Due to various factors…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Yingzi Fan , Longfei Han , Yue Zhang , Lechao Cheng , Chen Xia , Di Hu

In recent years, semi-supervised learning has been widely explored and shows excellent data efficiency for 2D data. There is an emerging need to improve data efficiency for 3D tasks due to the scarcity of labeled 3D data. This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zhimin Chen , Longlong Jing , Yang Liang , YingLi Tian , Bing Li

We study an unsupervised domain adaptation problem for the semantic labeling of 3D point clouds, with a particular focus on domain discrepancies induced by different LiDAR sensors. Based on the observation that sparse 3D point clouds are…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Li Yi , Boqing Gong , Thomas Funkhouser

Road segmentation from remote sensing images is a challenging task with wide ranges of application potentials. Deep neural networks have advanced this field by leveraging the power of large-scale labeled data, which, however, are extremely…

Computer Vision and Pattern Recognition · Computer Science 2022-02-16 Lefei Zhang , Meng Lan , Jing Zhang , Dacheng Tao

In this paper, we propose the first framework (UCNet) to employ uncertainty for RGB-D saliency detection by learning from the data labeling process. Existing RGB-D saliency detection methods treat the saliency detection task as a point…

Computer Vision and Pattern Recognition · Computer Science 2020-04-14 Jing Zhang , Deng-Ping Fan , Yuchao Dai , Saeed Anwar , Fatemeh Sadat Saleh , Tong Zhang , Nick Barnes

Semantic understanding of 3D point clouds is important for various robotics applications. Given that point-wise semantic annotation is expensive, in this paper, we address the challenge of learning models with extremely sparse labels. The…

Computer Vision and Pattern Recognition · Computer Science 2021-09-20 Liyi Luo , Beiwen Tian , Hao Zhao , Guyue Zhou

Semantic segmentation suffers from significant performance degradation when the trained network is applied to a different domain. To address this issue, unsupervised domain adaptation (UDA) has been extensively studied. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Wangkai Li , Rui Sun , Huayu Mai , Tianzhu Zhang

Unsupervised domain adaptation (UDA) aims to improve the prediction performance in the target domain under distribution shifts from the source domain. The key principle of UDA is to minimize the divergence between the source and the target…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 JoonHo Lee , Gyemin Lee

In a constant evolving world, change detection is of prime importance to keep updated maps. To better sense areas with complex geometry (urban areas in particular), considering 3D data appears to be an interesting alternative to classical…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Iris de Gélis , Sébastien Lefèvre , Thomas Corpetti

Existing salient instance detection (SID) methods typically learn from pixel-level annotated datasets. In this paper, we present the first weakly-supervised approach to the SID problem. Although weak supervision has been considered in…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Xin Tian , Ke Xu , Xin Yang , Baocai Yin , Rynson W. H. Lau

Unsupervised Domain Adaptation (UDA) is essential for enabling semantic segmentation in new domains without requiring costly pixel-wise annotations. State-of-the-art (SOTA) UDA methods primarily use self-training with architecturally…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Beomseok Kang , Niluthpol Chowdhury Mithun , Abhinav Rajvanshi , Han-Pang Chiu , Supun Samarasekera

Semantic segmentation plays a critical role in enabling intelligent vehicles to comprehend their surrounding environments. However, deep learning-based methods usually perform poorly in domain shift scenarios due to the lack of labeled data…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Weihao Yan , Yeqiang Qian , Xingyuan Chen , Hanyang Zhuang , Chunxiang Wang , Ming Yang

Domain adaptation (DA) is transfer learning which aims to learn an effective predictor on target data from source data despite data distribution mismatch between source and target. We present in this paper a novel unsupervised DA method for…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Lingkun Luo , Liming Chen , Ying lu , Shiqiang Hu

This paper addresses the challenge of 3D instance segmentation by simultaneously leveraging 3D geometric and multi-view image information. Many previous works have applied deep learning techniques to 3D point clouds for instance…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Haoyu Guo , He Zhu , Sida Peng , Yuang Wang , Yujun Shen , Ruizhen Hu , Xiaowei Zhou

Point clouds provide intrinsic geometric information and surface context for scene understanding. Existing methods for point cloud segmentation require a large amount of fully labeled data. Using advanced depth sensors, collection of large…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jiacheng Wei , Guosheng Lin , Kim-Hui Yap , Tzu-Yi Hung , Lihua Xie

Recent developments in the unsupervised domain adaptation (UDA) enable the unsupervised machine learning (ML) prediction for target data, thus this will accelerate real world applications with ML models such as image recognition tasks in…

Machine Learning · Computer Science 2025-02-18 Hisashi Oshima , Tsuyoshi Ishizone , Tomoyuki Higuchi

The recent prevalence of deep neural networks has lead semantic segmentation networks to achieve human-level performance in the medical field when sufficient training data is provided. Such networks however fail to generalize when tasked…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Serban Stan , Mohammad Rostami

Unsupervised domain adaptation(UDA) has been applied to image semantic segmentation to solve the problem of domain offset. However, in some difficult categories with poor recognition accuracy, the segmentation effects are still not ideal.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Xuewei Li , Weilun Zhang , Jie Gao , Xuzhou Fu , Jian Yu

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

Multi-source unsupervised domain adaptation (MS-UDA) for sentiment analysis (SA) aims to leverage useful information in multiple source domains to help do SA in an unlabeled target domain that has no supervised information. Existing…

Computation and Language · Computer Science 2020-06-11 Yong Dai , Jian Liu , Xiancong Ren , Zenglin Xu
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