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Prior works have proposed several strategies to reduce the computational cost of self-attention mechanism. Many of these works consider decomposing the self-attention procedure into regional and local feature extraction procedures that each…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Ting Yao , Yehao Li , Yingwei Pan , Yu Wang , Xiao-Ping Zhang , Tao Mei

Transformers have demonstrated a competitive performance across a wide range of vision tasks, while it is very expensive to compute the global self-attention. Many methods limit the range of attention within a local window to reduce…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Zhenzhe Hechen , Wei Huang , Yixin Zhao

Optical coherence tomography angiography (OCTA) is a noninvasive imaging technique that can reveal high-resolution retinal vessels. In this work, we propose an accurate and efficient neural network for retinal vessel segmentation in OCTA…

图像与视频处理 · 电气工程与系统科学 2023-09-19 Haojian Ning , Chengliang Wang , Xinrun Chen , Shiying Li

Transformer-based methods have shown impressive performance in low-level vision tasks, such as image super-resolution. However, we find that these networks can only utilize a limited spatial range of input information through attribution…

图像与视频处理 · 电气工程与系统科学 2023-03-21 Xiangyu Chen , Xintao Wang , Jiantao Zhou , Yu Qiao , Chao Dong

Recently, CNN and Transformer hybrid networks demonstrated excellent performance in face super-resolution (FSR) tasks. Since numerous features at different scales in hybrid networks, how to fuse these multiscale features and promote their…

计算机视觉与模式识别 · 计算机科学 2025-09-12 Xujie Wan , Wenjie Li , Guangwei Gao , Huimin Lu , Jian Yang , Chia-Wen Lin

The Segment Anything Model (SAM) has advanced interactive segmentation but is limited by the high computational cost on high-resolution images. This requires downsampling to meet GPU constraints, sacrificing the fine-grained details needed…

计算机视觉与模式识别 · 计算机科学 2024-11-26 You Huang , Wenbin Lai , Jiayi Ji , Liujuan Cao , Shengchuan Zhang , Rongrong Ji

Image super-resolution (SR) serves as a fundamental tool for the processing and transmission of multimedia data. Recently, Transformer-based models have achieved competitive performances in image SR. They divide images into fixed-size…

计算机视觉与模式识别 · 计算机科学 2022-12-01 Jie Liu , Chao Chen , Jie Tang , Gangshan Wu

We present a novel method that extends the self-attention mechanism of a vision transformer (ViT) for more accurate object detection across diverse datasets. ViTs show strong capability for image understanding tasks such as object…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Tan Nguyen , Coy D. Heldermon , Corey Toler-Franklin

Currently, lightweight hybrid backbone networks have partially alleviated the issue of computational saturation, but the imbalance in computational efficiencys between convolutional neural networks (CNNs) and attention mechanisms is…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Fengyun Li , Chao Zheng , Yangyang Fang , Jialiang Lan , Jianhua Liang , Luhao Zhang , Fa Si

Single Image Super-Resolution (SISR) is a vital technique for improving the visual quality of low-resolution images. While recent deep learning models have made significant advancements in SISR, they often encounter computational challenges…

图像与视频处理 · 电气工程与系统科学 2024-10-29 Chongxiao Liu

An object detector's ability to detect and flag \textit{novel} objects during open-world deployments is critical for many real-world applications. Unfortunately, much of the work in open object detection today is disjointed and fails to…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Matthew Inkawhich , Nathan Inkawhich , Hao Yang , Jingyang Zhang , Randolph Linderman , Yiran Chen

This paper introduces a Transformer-based integrative feature and cost aggregation network designed for dense matching tasks. In the context of dense matching, many works benefit from one of two forms of aggregation: feature aggregation,…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Sunghwan Hong , Seokju Cho , Seungryong Kim , Stephen Lin

In the research area of image super-resolution, Swin-transformer-based models are favored for their global spatial modeling and shifting window attention mechanism. However, existing methods often limit self-attention to non overlapping…

图像与视频处理 · 电气工程与系统科学 2024-12-11 Song-Jiang Lai , Tsun-Hin Cheung , Ka-Chun Fung , Kai-wen Xue , Kin-Man Lam

We present a lightweight model for high resolution portrait matting. The model does not use any auxiliary inputs such as trimaps or background captures and achieves real time performance for HD videos and near real time for 4K. Our model is…

计算机视觉与模式识别 · 计算机科学 2023-11-08 Yatao Zhong , Ilya Zharkov

Aggregating information from features across different layers is an essential operation for dense prediction models. Despite its limited expressiveness, feature concatenation dominates the choice of aggregation operations. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-01-20 Yung-Hsu Yang , Thomas E. Huang , Min Sun , Samuel Rota Bulò , Peter Kontschieder , Fisher Yu

An omnidirectional image (ODI) enables viewers to look in every direction from a fixed point through a head-mounted display providing an immersive experience compared to that of a standard image. Designing immersive virtual reality systems…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Cagri Ozcinar , Aakanksha Rana , Aljosa Smolic

Scattering and attenuation of light in no-homogeneous imaging media or inconsistent light intensity will cause insufficient contrast and color distortion in the collected images, which limits the developments such as vision-driven smart…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Yuxu Lu , Dong Yang , Yuan Gao , Ryan Wen Liu , Jun Liu , Yu Guo

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

Although Convolution Neural Networks (CNNs) has made substantial progress in the low-light image enhancement task, one critical problem of CNNs is the paradox of model complexity and performance. This paper presents a novel SurroundNet…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Fei Zhou , Xin Sun , Junyu Dong , Haoran Zhao , Xiao Xiang Zhu

The foundation model is not the last chapter of the model production pipeline. Transferring with few data in a general way to thousands of downstream tasks is becoming a trend of the foundation model's application. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Yujie Wang , Junqin Huang , Mengya Gao , Yichao Wu , Zhenfei Yin , Ding Liang , Junjie Yan