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Many visual phenomena suggest that humans use top-down generative or reconstructive processes to create visual percepts (e.g., imagery, object completion, pareidolia), but little is known about the role reconstruction plays in robust object…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Seoyoung Ahn , Hossein Adeli , Gregory J. Zelinsky

Attention-based graph neural networks have made great progress in feature matching learning. However, insight of how attention mechanism works for feature matching is lacked in the literature. In this paper, we rethink cross- and…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yuxin Deng , Jiayi Ma

Convolutional layers are an integral part of many deep neural network solutions in computer vision. Recent work shows that replacing the standard convolution operation with mechanisms based on self-attention leads to improved performance on…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Souvik Kundu , Hesham Mostafa , Sharath Nittur Sridhar , Sairam Sundaresan

Visual attention, which assigns weights to image regions according to their relevance to a question, is considered as an indispensable part by most Visual Question Answering models. Although the questions may involve complex relations among…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Chen Zhu , Yanpeng Zhao , Shuaiyi Huang , Kewei Tu , Yi Ma

Image restoration (IR) is a long-standing task to recover a high-quality image from its corrupted observation. Recently, transformer-based algorithms and some attention-based convolutional neural networks (CNNs) have presented promising…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Fangwei Hao , Ji Du , Weiyun Liang , Jing Xu , Xiaoxuan Xu

Fine-grained visual recognition typically depends on modeling subtle difference from object parts. However, these parts often exhibit dramatic visual variations such as occlusions, viewpoints, and spatial transformations, making it hard to…

计算机视觉与模式识别 · 计算机科学 2017-09-19 Lin Wu , Yang Wang

Typically, objects with the same semantics are not always prominent in images containing different backgrounds. Motivated by this observation that accurately salient object detection is related to both foreground and background, we proposed…

计算机视觉与模式识别 · 计算机科学 2019-09-19 Changqun Xia , Jia Li , Jinming Su , Yonghong Tian

Recently, convolutional neural network (CNN) based image super-resolution (SR) methods have achieved significant performance improvement. However, most CNN-based methods mainly focus on feed-forward architecture design and neglect to…

图像与视频处理 · 电气工程与系统科学 2021-06-15 Huapeng Wu , Jie Gui , Jun Zhang , James T. Kwok , Zhihui Wei

In recent years, various applications in computer vision have achieved substantial progress based on deep learning, which has been widely used for image fusion and shown to achieve adequate performance. However, suffering from limited…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Zhengwen Shen , Jun Wang , Zaiyu Pan , Yulian Li , Jiangyu Wang

In many image processing tasks it occurs that pixels or blocks of pixels are missing or lost in only some channels. For example during defective transmissions of RGB images, it may happen that one or more blocks in one color channel are…

图像与视频处理 · 电气工程与系统科学 2022-09-19 Frank Sippel , Jürgen Seiler , André Kaup

Recently, Transformer architecture has been introduced into image restoration to replace convolution neural network (CNN) with surprising results. Considering the high computational complexity of Transformer with global attention, some…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Zheng Chen , Yulun Zhang , Jinjin Gu , Yongbing Zhang , Linghe Kong , Xin Yuan

The deployment of extremely large-scale array (ELAA) brings higher spectral efficiency and spatial degree of freedom, but triggers issues on near-field channel estimation. Existing near-field channel estimation schemes primarily exploit…

信号处理 · 电气工程与系统科学 2025-09-19 Zhiming Zhu , Shu Xu , Jiexin Zhang , Chunguo Li , Yongming Huang , Luxi Yang

Self-attention networks have proven to be of profound value for its strength of capturing global dependencies. In this work, we propose to model localness for self-attention networks, which enhances the ability of capturing useful local…

计算与语言 · 计算机科学 2018-10-25 Baosong Yang , Zhaopeng Tu , Derek F. Wong , Fandong Meng , Lidia S. Chao , Tong Zhang

Predicting human interaction is challenging as the on-going activity has to be inferred based on a partially observed video. Essentially, a good algorithm should effectively model the mutual influence between the two interacting subjects.…

计算机视觉与模式识别 · 计算机科学 2017-05-29 Yichao Yan , Bingbing Ni , Xiaokang Yang

Hyperspectral image super-resolution has attained widespread prominence to enhance the spatial resolution of hyperspectral images. However, convolution-based methods have encountered challenges in harnessing the global spatial-spectral…

图像与视频处理 · 电气工程与系统科学 2023-11-30 Shi Chen , Lefei Zhang , Liangpei Zhang

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong

Recently, Transformers have shown promising performance in various vision tasks. A challenging issue in Transformer design is that global self-attention is very expensive to compute, especially for the high-resolution vision tasks. Local…

计算机视觉与模式识别 · 计算机科学 2022-11-15 Zhemin Zhang , Xun Gong

This paper presents a new artificial neuron model capable of learning its receptive field in the topological domain of inputs. The model provides adaptive and differentiable local connectivity (plasticity) applicable to any domain. It…

神经与进化计算 · 计算机科学 2020-09-08 F. Boray Tek

More and more evidence has shown that strengthening layer interactions can enhance the representation power of a deep neural network, while self-attention excels at learning interdependencies by retrieving query-activated information.…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Yanwen Fang , Yuxi Cai , Jintai Chen , Jingyu Zhao , Guangjian Tian , Guodong Li

We propose "Areas of Attention", a novel attention-based model for automatic image captioning. Our approach models the dependencies between image regions, caption words, and the state of an RNN language model, using three pairwise…

计算机视觉与模式识别 · 计算机科学 2017-08-28 Marco Pedersoli , Thomas Lucas , Cordelia Schmid , Jakob Verbeek