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LiDAR-generated point clouds are crucial for perceiving outdoor environments. The segmentation of point clouds is also essential for many applications. Previous research has focused on using self-attention and convolution (local attention)…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Abhishek Kuriyal , Vaibhav Kumar , Bharat Lohani

Semantic segmentation in very high resolution (VHR) aerial images is one of the most challenging tasks in remote sensing image understanding. Most of the current approaches are based on deep convolutional neural networks (DCNNs). However,…

计算机视觉与模式识别 · 计算机科学 2020-09-16 Ruigang Niu , Xian Sun , Yu Tian , Wenhui Diao , Kaiqiang Chen , Kun Fu

Cloud cover can significantly hinder the use of remote sensing images for Earth observation, prompting urgent advancements in cloud removal technology. Recently, deep learning strategies have shown strong potential in restoring…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Wenli Huang , Ye Deng , Yang Wu , Jinjun Wang

In real-world applications of image recognition tasks, such as human pose estimation, cameras often capture objects, like human bodies, at low resolutions. This scenario poses a challenge in extracting and leveraging multi-scale features,…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Xiangyong Lu , Masanori Suganuma , Takayuki Okatani

No-reference point cloud quality assessment (NR-PCQA) aims to automatically predict the perceptual quality of point clouds without reference, which has achieved remarkable performance due to the utilization of deep learning-based models.…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Ziyu Shan , Yujie Zhang , Qi Yang , Haichen Yang , Yiling Xu , Shan Liu

The scarcity of annotated data in LiDAR point cloud understanding hinders effective representation learning. Consequently, scholars have been actively investigating efficacious self-supervised pre-training paradigms. Nevertheless, temporal…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Weijie Wei , Fatemeh Karimi Nejadasl , Theo Gevers , Martin R. Oswald

In point cloud analysis tasks, the existing local feature aggregation descriptors (LFAD) are unable to fully utilize information in the neighborhood of central points. Previous methods rely solely on Euclidean distance to constrain the…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Haotian Hu , Fanyi Wang , Jingwen Su , Hongtao Zhou , Yaonong Wang , Laifeng Hu , Yanhao Zhang , Zhiwang Zhang

Learned Image Compression (LIC) has explored various architectures, such as Convolutional Neural Networks (CNNs) and transformers, in modeling image content distributions in order to achieve compression effectiveness. However, achieving…

图像与视频处理 · 电气工程与系统科学 2025-02-10 Zhuojie Wu , Heming Du , Shuyun Wang , Ming Lu , Haiyang Sun , Yandong Guo , Xin Yu

Multimodal aspect-based sentiment analysis(MABSA) seeks to identify aspect terms within paired image-text data and determine their fine grained sentiment polarities, representing a fundamental task for improving the effectiveness of…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Xiaoqiang He

The "interpretation through synthesis" approach to analyze face images, particularly Active Appearance Models (AAMs) method, has become one of the most successful face modeling approaches over the last two decades. AAM models have ability…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Chi Nhan Duong , Khoa Luu , Kha Gia Quach , Tien D. Bui

Robust principal component analysis (RPCA) decomposes an observation matrix into low-rank background and sparse object components. This capability has enabled its application in tasks ranging from image restoration to segmentation. However,…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Fengyi Wu , Yimian Dai , Tianfang Zhang , Yixuan Ding , Jian Yang , Ming-Ming Cheng , Zhenming Peng

Pruning is a promising approach to compress deep learning models in order to deploy them on resource-constrained edge devices. However, many existing pruning solutions are based on unstructured pruning, which yields models that cannot…

机器学习 · 计算机科学 2023-03-16 Kaiqi Zhao , Animesh Jain , Ming Zhao

Remarkable effectiveness of the channel or spatial attention mechanisms for producing more discernible feature representation are illustrated in various computer vision tasks. However, modeling the cross-channel relationships with channel…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Daliang Ouyang , Su He , Guozhong Zhang , Mingzhu Luo , Huaiyong Guo , Jian Zhan , Zhijie Huang

Deep learning drives a new wave in computing systems and triggers the automation of increasingly complex problems. In particular, Large Language Models (LLMs) have significantly advanced cognitive tasks, often matching or even surpassing…

The quadratic complexity of self attention in Transformer based LLMs renders long context inference prohibitively expensive. While Sliding Window Attention (SWA), the simplest sparse attention pattern, offers a linear complexity…

计算与语言 · 计算机科学 2026-03-27 Yijiong Yu , Jiale Liu , Qingyun Wu , Huazheng Wang , Ji Pei

Masked Autoencoders (MAE) have shown great potentials in self-supervised pre-training for language and 2D image transformers. However, it still remains an open question on how to exploit masked autoencoding for learning 3D representations…

计算机视觉与模式识别 · 计算机科学 2022-10-17 Renrui Zhang , Ziyu Guo , Rongyao Fang , Bin Zhao , Dong Wang , Yu Qiao , Hongsheng Li , Peng Gao

Despite remarkable progress in Single Image Super-Resolution (SISR), traditional models often struggle to generalize across varying scale factors, limiting their real-world applicability. To address this, we propose a plug-in Scale-Aware…

计算机视觉与模式识别 · 计算机科学 2026-01-14 Dongsik Yoon , Jongeun Kim

Detecting anomalies for multivariate time-series without manual supervision continues a challenging problem due to the increased scale of dimensions and complexity of today's IT monitoring systems. Recent progress of unsupervised…

机器学习 · 计算机科学 2021-10-19 Qinfeng Xiao , Shikuan Shao , Jing Wang

Recent advancements in foundation models have significantly impacted various fields, including natural language processing, computer vision, and multi-modal tasks. One area that stands to benefit greatly is Earth observation, where these…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Yohei Nakayama , Jiawei Su , Luis M. Pazos-Outón

In this work, we propose a Multi-Window Masked Autoencoder (MW-MAE) fitted with a novel Multi-Window Multi-Head Attention (MW-MHA) module that facilitates the modelling of local-global interactions in every decoder transformer block through…

声音 · 计算机科学 2023-10-03 Sarthak Yadav , Sergios Theodoridis , Lars Kai Hansen , Zheng-Hua Tan