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In computer vision, a larger effective receptive field (ERF) is associated with better performance. While attention natively supports global context, its quadratic complexity limits its applicability to tasks that benefit from…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Julian Spravil , Sebastian Houben , Sven Behnke

Diffusion models have recently achieved significant success in various image manipulation tasks, including image super-resolution and perceptual quality enhancement. Pretrained text-to-image models, such as Stable Diffusion, have exhibited…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Sanchar Palit , Subhasis Chaudhuri , Biplab Banerjee

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

Since context modeling is critical for estimating depth from a single image, researchers put tremendous effort into obtaining global context. Many global manipulations are designed for traditional CNN-based architectures to overcome the…

Computer Vision and Pattern Recognition · Computer Science 2022-05-02 Chang Shu , Ziming Chen , Lei Chen , Kuan Ma , Minghui Wang , Haibing Ren

Image harmonization has been significantly advanced with large-scale harmonization dataset. However, the current way to build dataset is still labor-intensive, which adversely affects the extendability of dataset. To address this problem,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-13 Junyan Cao , Wenyan Cong , Li Niu , Jianfu Zhang , Liqing Zhang

Finding semantic correspondences is a challenging problem. With the breakthrough of CNNs stronger features are available for tasks like classification but not specifically for the requirements of semantic matching. In the following we…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Nikolai Ufer , Kam To Lui , Katja Schwarz , Paul Warkentin , Björn Ommer

The convolutional neural network-based methods have become more and more popular for medical image segmentation due to their outstanding performance. However, they struggle with capturing long-range dependencies, which are essential for…

Image and Video Processing · Electrical Eng. & Systems 2024-01-30 Hongkun Sun , Jing Xu , Yuping Duan

Image matting refers to predicting the alpha values of unknown foreground areas from natural images. Prior methods have focused on propagating alpha values from known to unknown regions. However, not all natural images have a specifically…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Huanqia Cai , Fanglei Xue , Lele Xu , Lili Guo

Accurate beam prediction is essential for maintaining reliable links and high spectral efficiency in dynamic low-altitude wireless networks. However, existing approaches often fail to capture the deep correlations across heterogeneous…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Xiaotong Zhao , Yuanhao Cui , Weijie Yuan , Ziye Jia , Heng Liu , Chengwen Xing

Accurate and reliable image segmentation is an essential part of biomedical image analysis. In this paper, we consider the problem of biomedical image segmentation using deep convolutional neural networks. We propose a new end-to-end…

Computer Vision and Pattern Recognition · Computer Science 2018-10-02 Amirhossein Dadashzadeh , Alireza Tavakoli Targhi

Face parsing is an important problem in computer vision that finds numerous applications including recognition and editing. Recently, deep convolutional neural networks (CNNs) have been applied to image parsing and segmentation with the…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Sifei Liu , Jianping Shi , Ji Liang , Ming-Hsuan Yang

Fine-grained action recognition is a challenging task in computer vision. As fine-grained datasets have small inter-class variations in spatial and temporal space, fine-grained action recognition model requires good temporal reasoning and…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Mei Chee Leong , Haosong Zhang , Hui Li Tan , Liyuan Li , Joo Hwee Lim

Scene text recognition (STR) is an important bridge between images and text, attracting abundant research attention. While convolutional neural networks (CNNS) have achieved remarkable progress in this task, most of the existing works need…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Yue Tao , Zhiwei Jia , Runze Ma , Shugong Xu

Convolutional neural network (CNN) based methods have achieved great successes in medical image segmentation, but their capability to learn global representations is still limited due to using small effective receptive fields of convolution…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Pengfei Gu , Yejia Zhang , Chaoli Wang , Danny Z. Chen

This paper introduces a novel method for image colorization that utilizes a color transformer and generative adversarial networks (GANs) to address the challenge of generating visually appealing colorized images. Conventional approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Hamza Shafiq , Bumshik Lee

Recurrent Neural Networks were, until recently, one of the best ways to capture the timely dependencies in sequences. However, with the introduction of the Transformer, it has been proven that an architecture with only attention-mechanisms…

Machine Learning · Computer Science 2021-08-19 Radostin Cholakov , Todor Kolev

Medical image segmentation faces challenges due to variations in anatomical structures. While convolutional neural networks (CNNs) effectively capture local features, they struggle with modeling long-range dependencies. Transformers…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Lalit Maurya , Honghai Liu , Reyer Zwiggelaar

While convolutional neural networks have shown a tremendous impact on various computer vision tasks, they generally demonstrate limitations in explicitly modeling long-range dependencies due to the intrinsic locality of the convolution…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Guanglei Yang , Hao Tang , Mingli Ding , Nicu Sebe , Elisa Ricci

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

We present a method that achieves state-of-the-art results on challenging (few-shot) layout-to-image generation tasks by accurately modeling textures, structures and relationships contained in a complex scene. After compressing RGB images…

Computer Vision and Pattern Recognition · Computer Science 2022-06-03 Zuopeng Yang , Daqing Liu , Chaoyue Wang , Jie Yang , Dacheng Tao