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Related papers: Global Context Networks

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Pre-trained transformer-based models have recently shown great performance when applied to Named Entity Recognition (NER). As the complexity of their self-attention mechanism prevents them from processing long documents at once, these…

Computation and Language · Computer Science 2024-06-24 Arthur Amalvy , Vincent Labatut , Richard Dufour

Context plays an important role in visual pattern recognition as it provides complementary clues for different learning tasks including image classification and annotation. In the particular scenario of kernel learning, the general recipe…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Mingyuan Jiu , Hichem Sahbi

Inspired by the notion that ``{\it to copy is easier than to memorize}``, in this work, we introduce GNN-LM, which extends the vanilla neural language model (LM) by allowing to reference similar contexts in the entire training corpus. We…

Computation and Language · Computer Science 2022-05-05 Yuxian Meng , Shi Zong , Xiaoya Li , Xiaofei Sun , Tianwei Zhang , Fei Wu , Jiwei Li

Convolutional neural networks (CNN) have shown promising results for end-to-end speech recognition, albeit still behind other state-of-the-art methods in performance. In this paper, we study how to bridge this gap and go beyond with a novel…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Wei Han , Zhengdong Zhang , Yu Zhang , Jiahui Yu , Chung-Cheng Chiu , James Qin , Anmol Gulati , Ruoming Pang , Yonghui Wu

The self-attention mechanism has attracted wide publicity for its most important advantage of modeling long dependency, and its variations in computer vision tasks, the non-local block tries to model the global dependency of the input…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Sheng Fang , Kaiyu Li , Zhe Li

Transformer-based models have transformed the landscape of natural language processing (NLP) and are increasingly applied to computer vision tasks with remarkable success. These models, renowned for their ability to capture long-range…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Gracile Astlin Pereira , Muhammad Hussain

In the field of medical CT image processing, convolutional neural networks (CNNs) have been the dominant technique.Encoder-decoder CNNs utilise locality for efficiency, but they cannot simulate distant pixel interactions properly.Recent…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Hongyang He , Feng Ziliang , Yuanhang Zheng , Shudong Huang , HaoBing Gao

Modelling long-range contextual relationships is critical for pixel-wise prediction tasks such as semantic segmentation. However, convolutional neural networks (CNNs) are inherently limited to model such dependencies due to the naive…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Xiangtai Li , Li Zhang , Guangliang Cheng , Kuiyuan Yang , Yunhai Tong , Xiatian Zhu , Tao Xiang

Currently, convolutional neural networks (CNN) (e.g., U-Net) have become the de facto standard and attained immense success in medical image segmentation. However, as a downside, CNN based methods are a double-edged sword as they fail to…

Image and Video Processing · Electrical Eng. & Systems 2022-04-01 Reza Azad , Moein Heidari , Yuli Wu , Dorit Merhof

Text removal has attracted increasingly attention due to its various applications on privacy protection, document restoration, and text editing. It has shown significant progress with deep neural network. However, most of the existing…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Chongyu Liu , Lianwen Jin , Yuliang Liu , Canjie Luo , Bangdong Chen , Fengjun Guo , Kai Ding

Correspondence pruning aims to establish reliable correspondences between two related images and recover relative camera motion. Existing approaches often employ a progressive strategy to handle the local and global contexts, with a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Xiangyang Miao , Guobao Xiao , Shiping Wang , Jun Yu

We present PPFNet - Point Pair Feature NETwork for deeply learning a globally informed 3D local feature descriptor to find correspondences in unorganized point clouds. PPFNet learns local descriptors on pure geometry and is highly aware of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-05 Haowen Deng , Tolga Birdal , Slobodan Ilic

Existing Binary Neural Networks (BNNs) mainly operate on local convolutions with binarization function. However, such simple bit operations lack the ability of modeling contextual dependencies, which is critical for learning discriminative…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Xingrun Xing , Yangguang Li , Wei Li , Wenrui Ding , Yalong Jiang , Yufeng Wang , Jing Shao , Chunlei Liu , Xianglong Liu

Convolutional Neural Networks (CNNs) have been used extensively for computer vision tasks and produce rich feature representation for objects or parts of an image. But reasoning about scenes requires integration between the low-level…

Computer Vision and Pattern Recognition · Computer Science 2017-06-05 Syed Ashar Javed , Anil Kumar Nelakanti

The spatial attention mechanism captures long-range dependencies by aggregating global contextual information to each query location, which is beneficial for semantic segmentation. In this paper, we present a sparse spatial attention…

Computer Vision and Pattern Recognition · Computer Science 2021-09-07 Mengyu Liu , Hujun Yin

Spatial redundancy widely exists in visual recognition tasks, i.e., discriminative features in an image or video frame usually correspond to only a subset of pixels, while the remaining regions are irrelevant to the task at hand. Therefore,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Gao Huang , Yulin Wang , Kangchen Lv , Haojun Jiang , Wenhui Huang , Pengfei Qi , Shiji Song

Context plays a crucial role in visual recognition as it provides complementary clues for different learning tasks including image classification and annotation. As the performances of these tasks are currently reaching a plateau, any extra…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Mingyuan Jiu , Hichem Sahbi

Global context information is vital in visual understanding problems, especially in pixel-level semantic segmentation. The mainstream methods adopt the self-attention mechanism to model global context information. However, pixels belonging…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Yanwen Chong , Congchong Nie , Yulong Tao , Xiaoshu Chen , Shaoming Pan

We propose a novel transformer-style architecture called Global-Local Filter Network (GLFNet) for medical image segmentation and demonstrate its state-of-the-art performance. We replace the self-attention mechanism with a combination of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Athanasios Tragakis , Qianying Liu , Chaitanya Kaul , Swalpa Kumar Roy , Hang Dai , Fani Deligianni , Roderick Murray-Smith , Daniele Faccio

We present a technique for adding global context to deep convolutional networks for semantic segmentation. The approach is simple, using the average feature for a layer to augment the features at each location. In addition, we study several…

Computer Vision and Pattern Recognition · Computer Science 2015-11-23 Wei Liu , Andrew Rabinovich , Alexander C. Berg