中文
相关论文

相关论文: Hierarchical Frequency-based Upsampling and Refini…

200 篇论文

For lossy image compression systems, we develop an algorithm, iterative refinement, to improve the decoder's reconstruction compared to standard decoding techniques. Specifically, we propose a recurrent neural network approach for…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Alexander G. Ororbia , Ankur Mali , Jian Wu , Scott O'Connell , David Miller , C. Lee Giles

The enhanced Deep Hierarchical Video Compression-DHVC 2.0-has been introduced. This single-model neural video codec operates across a broad range of bitrates, delivering not only superior compression performance to representative methods…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Ming Lu , Zhihao Duan , Wuyang Cong , Dandan Ding , Fengqing Zhu , Zhan Ma

Displaying high-quality images on edge devices, such as augmented reality devices, is essential for enhancing the user experience. However, these devices often face power consumption and computing resource limitations, making it challenging…

图像与视频处理 · 电气工程与系统科学 2024-06-10 Xiang Liu , Jiahong Chen , Bin Chen , Zimo Liu , Baoyi An , Shu-Tao Xia , Zhi Wang

Recently, implicit neural representations (INR) have made significant strides in various vision-related domains, providing a novel solution for Multispectral and Hyperspectral Image Fusion (MHIF) tasks. However, INR is prone to losing…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Yu-Jie Liang , Zihan Cao , Liang-Jian Deng , Xiao Wu

Hybrid-distorted image restoration (HD-IR) is dedicated to restore real distorted image that is degraded by multiple distortions. Existing HD-IR approaches usually ignore the inherent interference among hybrid distortions which compromises…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Xin Li , Xin Jin , Jianxin Lin , Tao Yu , Sen Liu , Yaojun Wu , Wei Zhou , Zhibo Chen

Image compression under ultra-low bitrates remains challenging for both conventional learned image compression (LIC) and generative vector-quantized (VQ) modeling. Conventional LIC suffers from severe artifacts due to heavy quantization,…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Lei Lu , Yize Li , Yanzhi Wang , Wei Wang , Wei Jiang

Addressing the issues of severe noise and high frequency structural degradation in visible images under low-light conditions, this paper proposes a Near Infrared (NIR) aided low light image restoration method based on Frequency Decoupled…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Ligen Shi , Zengyu Pang , Chang Liu , Shuchen Sun , Jun Qiu

A novel network for enhancement to underwater images is proposed in this paper. It contains a Reinforcement Fusion Module for Haar wavelet images (RFM-Haar) based on Reinforcement Fusion Unit (RFU), which is used to fuse an original image…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Jiajia Zhou , Junbin Zhuang , Yan Zheng , Di Wu

Diffusion models (DMs) have recently been introduced in image deblurring and exhibited promising performance, particularly in terms of details reconstruction. However, the diffusion model requires a large number of inference iterations to…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Zheng Chen , Yulun Zhang , Ding Liu , Bin Xia , Jinjin Gu , Linghe Kong , Xin Yuan

Implicit neural representations (INRs) have emerged as a promising approach for video storage and processing, showing remarkable versatility across various video tasks. However, existing methods often fail to fully leverage their…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Xinjie Zhang , Ren Yang , Dailan He , Xingtong Ge , Tongda Xu , Yan Wang , Hongwei Qin , Jun Zhang

We introduce a multi-scale Image Super Resolution (ISR) method building on recent advances in Visual Auto-Regressive (VAR) modeling. VAR models break image tokenization into additive, gradually increasing scales, using Residual Quantization…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Isma Hadji , Enrique Sanchez , Adrian Bulat , Brais Martinez , Georgios Tzimiropoulos

Video quality is often severely degraded by multiple factors rather than a single factor. These low-quality videos can be restored to high-quality videos by sequentially performing appropriate video enhancement techniques. However, the…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Giyong Choi , HyunWook Park

We present a perceptually-driven video compression framework integrating implicit neural representations (INRs) and pre-trained video diffusion models to address the extremely low bitrate regime (<0.05 bpp). Our approach exploits the…

图像与视频处理 · 电气工程与系统科学 2026-04-10 Eren Çetin , Lucas Relic , Yuanyi Xue , Markus Gross , Christopher Schroers , Roberto Azevedo

Learning-based image super-resolution aims to reconstruct high-frequency (HF) details from the prior model trained by a set of high- and low-resolution image patches. In this paper, HF to be estimated is considered as a combination of two…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Jian Zhang , Chen Zhao , Ruiqin Xiong , Siwei Ma , Debin Zhao

Implicit Neural Representations (INRs) have emerged as a powerful alternative to traditional pixel-based formats by modeling images as continuous functions over spatial coordinates. A key challenge, however, lies in the spectral bias of…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Sumit Kumar Dam , Mrityunjoy Gain , Eui-Nam Huh , Choong Seon Hong

Compressed video super-resolution (VSR) aims to restore high-resolution frames from compressed low-resolution counterparts. Most recent VSR approaches often enhance an input frame by borrowing relevant textures from neighboring video…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Zhongwei Qiu , Huan Yang , Jianlong Fu , Dongmei Fu

Recent works have successfully applied some types of Convolutional Neural Networks (CNNs) to reduce the noticeable distortion resulting from the lossy JPEG/MPEG compression technique. Most of them are built upon the processing made on the…

图像与视频处理 · 电气工程与系统科学 2025-10-14 Antonio J G Busson , Paulo R C Mendes , Daniel de S Moraes , Álvaro M da Veiga , Álan L V Guedes , Sérgio Colcher

This paper focuses on the task of quality enhancement for compressed videos. Although deep network-based video restorers achieve impressive progress, most of the existing methods lack a structured design to optimally leverage the priors…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Hanchi Sun , Xiaohong Liu , Xinyang Jiang , Yifei Shen , Dongsheng Li , Xiongkuo Min , Guangtao Zhai

Recent years have seen steady growth in the popularity and availability of High Dynamic Range (HDR) content, particularly videos, streamed over the internet. As a result, assessing the subjective quality of HDR videos, which are generally…

图像与视频处理 · 电气工程与系统科学 2023-12-15 Abhinau K. Venkataramanan , Cosmin Stejerean , Ioannis Katsavounidis , Alan C. Bovik

For decades, video compression technology has been a prominent research area. Traditional hybrid video compression framework and end-to-end frameworks continue to explore various intra- and inter-frame reference and prediction strategies…

图像与视频处理 · 电气工程与系统科学 2024-10-04 Gai Zhang , Xinfeng Zhang , Lv Tang , Yue Li , Kai Zhang , Li Zhang