中文
相关论文

相关论文: Fourier-Guided Attention Upsampling for Image Supe…

200 篇论文

Computer vision models normally witness degraded performance when deployed in real-world scenarios, due to unexpected changes in inputs that were not accounted for during training. Data augmentation is commonly used to address this issue,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Puru Vaish , Shunxin Wang , Nicola Strisciuglio

Although recent advances in deep learning accelerated an improvement in a weakly supervised object localization (WSOL) task, there are still challenges to identify the entire body of an object, rather than only discriminative parts. In this…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Junghyo Sohn , Eunjin Jeon , Wonsik Jung , Eunsong Kang , Heung-Il Suk

Purpose Medical imaging diagnosis faces challenges, including low-resolution images due to machine artifacts and patient movement. This paper presents the Frequency-Guided U-Net (GFNet), a novel approach for medical image segmentation that…

图像与视频处理 · 电气工程与系统科学 2024-05-03 Haytham Al Ewaidat , Youness El Brag , Ahmad Wajeeh Yousef E'layan , Ali Almakhadmeh

The encoder-decoder architecture is widely used as a lightweight semantic segmentation network. However, it struggles with a limited performance compared to a well-designed Dilated-FCN model for two major problems. First, commonly used…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Jiangyun Li , Sen Zha , Chen Chen , Meng Ding , Tianxiang Zhang , Hong Yu

Transformer-based methods have achieved remarkable results in image super-resolution tasks because they can capture non-local dependencies in low-quality input images. However, this feature-intensive modeling approach is computationally…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Wei Long , Xingyu Zhou , Leheng Zhang , Shuhang Gu

We introduce Adaptive Guided Upsampling (AGU), an efficient method for upscaling low-light images capable of optimizing multiple image quality characteristics at the same time, such as reducing noise and increasing sharpness. It is based on…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Angela Vivian Dcosta , Chunbo Song , Rafael Radkowski

Open-set image recognition is a challenging topic in computer vision. Most of the existing works in literature focus on learning more discriminative features from the input images, however, they are usually insensitive to the high- or…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Qiulei Dong , Jiayin Sun , Mengyu Gao

We present an effective and efficient method that explores the properties of Transformers in the frequency domain for high-quality image deblurring. Our method is motivated by the convolution theorem that the correlation or convolution of…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Lingshun Kong , Jiangxin Dong , Mingqiang Li , Jianjun Ge , Jinshan Pan

Image signals typically are defined on a rectangular two-dimensional grid. However, there exist scenarios where this is not fulfilled and where the image information only is available for a non-regular subset of pixel position. For…

图像与视频处理 · 电气工程与系统科学 2022-07-15 Jürgen Seiler , André Kaup

For optical coherence tomography angiography (OCTA) images, a limited scanning rate leads to a trade-off between field-of-view (FOV) and imaging resolution. Although larger FOV images may reveal more parafoveal vascular lesions, their…

图像与视频处理 · 电气工程与系统科学 2024-12-06 Weiwen Zhang , Dawei Yang , Haoxuan Che , An Ran Ran , Carol Y. Cheung , Hao Chen

Raster images can have a range of various distortions connected to their raster structure. Upsampling them might in effect substantially yield the raster structure of the original image, known as aliasing. The upsampling itself may…

计算机视觉与模式识别 · 计算机科学 2007-05-23 Artur Rataj

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

Diffusion models are proficient at generating high-quality images. They are however effective only when operating at the resolution used during training. Inference at a scaled resolution leads to repetitive patterns and structural…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Haosen Yang , Adrian Bulat , Isma Hadji , Hai X. Pham , Xiatian Zhu , Georgios Tzimiropoulos , Brais Martinez

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

Many super-resolution (SR) models are optimized for high performance only and therefore lack efficiency due to large model complexity. As large models are often not practical in real-world applications, we investigate and propose novel loss…

图像与视频处理 · 电气工程与系统科学 2021-06-03 Dario Fuoli , Luc Van Gool , Radu Timofte

The popular VQ-VAE models reconstruct images through learning a discrete codebook but suffer from a significant issue in the rapid quality degradation of image reconstruction as the compression rate rises. One major reason is that a higher…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Xinmiao Lin , Yikang Li , Jenhao Hsiao , Chiuman Ho , Yu Kong

Pansharpening aims to combine a high-resolution panchromatic (PAN) image with a low-resolution multispectral (LRMS) image to produce a high-resolution multispectral (HRMS) image. Although pansharpening in the frequency domain offers clear…

图像与视频处理 · 电气工程与系统科学 2025-02-10 Jie Huang , Rui Huang , Jinghao Xu , Siran Pen , Yule Duan , Liangjian Deng

Medical image segmentation is a critical task in computer-aided diagnosis and treatment planning. However, deep learning models often struggle to generalize across datasets due to domain shifts arising from variations in imaging protocols,…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Phuoc-Nguyen Bui , Van-Nguyen Pham , Duc-Tai Le , Junghyun Bum , Hyunseung Choo

The rapid progression of generative AI (GenAI) technologies has heightened concerns regarding the misuse of AI-generated imagery. To address this issue, robust detection methods have emerged as particularly compelling, especially in…

图形学 · 计算机科学 2025-04-07 Hongfei Cai , Chi Liu , Sheng Shen , Youyang Qu , Peng Gui

High-resolution magnetic resonance images can provide fine-grained anatomical information, but acquiring such data requires a long scanning time. In this paper, a framework called the Fused Attentive Generative Adversarial Networks(FA-GAN)…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Mingfeng Jiang , Minghao Zhi , Liying Wei , Xiaocheng Yang , Jucheng Zhang , Yongming Li , Pin Wang , Jiahao Huang , Guang Yang
‹ 上一页 1 2 3 10 下一页 ›