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With the growth of digital networks such as the Internet, digital media have been explosively developed in e-commerce and online services. This causes problems such as illegal copy and fake ownership. Watermarking is proposed as one of the…

多媒体 · 计算机科学 2016-04-02 Malihe Mardanpour , Mohammad Ali Zare Chahooki

Hyperspectral image (HSI) denoising is critical for the effective analysis and interpretation of hyperspectral data. However, simultaneously modeling global and local features is rarely explored to enhance HSI denoising. In this letter, we…

图像与视频处理 · 电气工程与系统科学 2024-03-18 Shuai Hu , Feng Gao , Xiaowei Zhou , Junyu Dong , Qian Du

Video frame interpolation is an important low-level vision task, which can increase frame rate for more fluent visual experience. Existing methods have achieved great success by employing advanced motion models and synthesis networks.…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Lingtong Kong , Boyuan Jiang , Donghao Luo , Wenqing Chu , Ying Tai , Chengjie Wang , Jie Yang

Precise percutaneous needle detection is crucial for ultrasound (US)-guided interventions. However, inherent limitations such as speckles, needle-like artifacts, and low resolution make it challenging to robustly detect needles, especially…

图像与视频处理 · 电气工程与系统科学 2025-02-27 Dianye Huang , Chenyang Li , Angelos Karlas , Xiangyu Chu , K. W. Samuel Au , Nassir Navab , Zhongliang Jiang

One of the main challenges since the advancement of convolutional neural networks is how to connect the extracted feature map to the final classification layer. VGG models used two sets of fully connected layers for the classification part…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Mohammad Rahimzadeh , AmirAli Askari , Soroush Parvin , Elnaz Safi , Mohammad Reza Mohammadi

Convolutional neural networks (CNNs) have shown great capability of solving various artificial intelligence tasks. However, the increasing model size has raised challenges in employing them in resource-limited applications. In this work, we…

计算机视觉与模式识别 · 计算机科学 2018-09-06 Hongyang Gao , Zhengyang Wang , Shuiwang Ji

Channel Attention reigns supreme as an effective technique in the field of computer vision. However, the proposed channel attention by SENet suffers from information loss in feature learning caused by the use of Global Average Pooling (GAP)…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Hadi Salman , Caleb Parks , Shi Yin Hong , Justin Zhan

Today, image denoising by thresholding of wavelet coefficients is a commonly used tool for 2D image enhancement. Since the data product of spectroscopic imaging surveys has two spatial and one spectral dimension, the techniques for…

天体物理仪器与方法 · 物理学 2015-06-03 Lars Flöer , Benjamin Winkel

We present a novel generative modeling framework,Wavelet-Fourier-Diffusion, which adapts the diffusion paradigm to hybrid frequency representations in order to synthesize high-quality, high-fidelity images with improved spatial…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Andrew Kiruluta , Andreas Lemos

Decreased visibility, intensive noise, and biased color are the common problems existing in low-light images. These visual disturbances further reduce the performance of high-level vision tasks, such as object detection, and tracking. To…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Hao Chen , Zhi Jin

Given a degraded input image, image restoration aims to recover the missing high-quality image content. Numerous applications demand effective image restoration, e.g., computational photography, surveillance, autonomous vehicles, and remote…

图像与视频处理 · 电气工程与系统科学 2022-05-04 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

Since medical image data sets contain few samples and singular features, lesions are viewed as highly similar to other tissues. The traditional neural network has a limited ability to learn features. Even if a host of feature maps is…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Hongfeng You , Long Yu , Shengwei Tian , Xiang Ma , Yan Xing , Xiaojie Ma

In this work, we introduce a Denser Feature Network (DenserNet) for visual localization. Our work provides three principal contributions. First, we develop a convolutional neural network (CNN) architecture which aggregates feature maps at…

计算机视觉与模式识别 · 计算机科学 2021-03-15 Dongfang Liu , Yiming Cui , Liqi Yan , Christos Mousas , Baijian Yang , Yingjie Chen

Most neural vocoders are limited to one type: either GAN or diffusion-based. While state-of-the-art models like Vocos and WaveNeXt use powerful ConvNeXt-based generators, they have only been used in GAN frameworks and have limited…

音频与语音处理 · 电气工程与系统科学 2026-05-26 Wangzixi Zhou , Takuma Okamoto , Yamato Ohtani , Sakriani Sakti , Hisashi Kawai

The emergence of large foundation models has propelled significant advances in various domains. The Segment Anything Model (SAM), a leading model for image segmentation, exemplifies these advances, outperforming traditional methods.…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Saurabh Yadav , Avi Gupta , Koteswar Rao Jerripothula

Due to the potential risk of inducing cancers, radiation dose of X-ray CT should be reduced for routine patient scanning. However, in low-dose X-ray CT, severe artifacts usually occur due to photon starvation, beamhardening, etc, which…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Eunhee Kang , Junhong Min , Jong Chul Ye

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

This letter presents a novel hybrid method that leverages deep learning to exploit the multi-resolution analysis capability of the wavelets, in order to denoise a photoplethysmography (PPG) signal. Under the proposed method, a noisy PPG…

信息论 · 计算机科学 2023-01-18 Rabia Ahmed , Ahsan Mehmood , Muhammad Mahboob Ur Rahman , Octavia A. Dobre

High Dynamic Range (HDR) video reconstruction aims to recover fine brightness, color, and details from Low Dynamic Range (LDR) videos. However, existing methods often suffer from color inaccuracies and temporal inconsistencies. To address…

图像与视频处理 · 电气工程与系统科学 2026-02-10 Yang Zhang , Zhangkai Ni , Wenhan Yang , Hanli Wang

Adverse weather conditions often impair the quality of captured images, inevitably inducing cutting-edge object detection models for advanced driver assistance systems (ADAS) and autonomous driving. In this paper, we raise an intriguing…

计算机视觉与模式识别 · 计算机科学 2025-04-03 Yihua Fan , Yongzhen Wang , Mingqiang Wei , Fu Lee Wang , Haoran Xie