NTIRE 2023 challenge on image denoising: Methods and results

Y Li, Y Zhang, R Timofte, L Van Gool… - Proceedings of the …, 2023 - openaccess.thecvf.com
This paper reviews the NTIRE 2023 challenge on image denoising (sigma= 50) with a focus
on the proposed solutions and results. The aim is to obtain a network design capable to …

Ntire 2020 challenge on nonhomogeneous dehazing

CO Ancuti, C Ancuti, FA Vasluianu… - Proceedings of the …, 2020 - openaccess.thecvf.com
This paper reviews the NTIRE 2020 Challenge on NonHomogeneous Dehazing of images
(restoration of rich details in hazy image). We focus on the proposed solutions and their …

Restormer: Efficient transformer for high-resolution image restoration

SW Zamir, A Arora, S Khan, M Hayat… - Proceedings of the …, 2022 - openaccess.thecvf.com
Since convolutional neural networks (CNNs) perform well at learning generalizable image
priors from large-scale data, these models have been extensively applied to image …

Uformer: A general u-shaped transformer for image restoration

Z Wang, X Cun, J Bao, W Zhou… - Proceedings of the …, 2022 - openaccess.thecvf.com
In this paper, we present Uformer, an effective and efficient Transformer-based architecture
for image restoration, in which we build a hierarchical encoder-decoder network using the …

Image super-resolution with non-local sparse attention

Y Mei, Y Fan, Y Zhou - … of the IEEE/CVF conference on …, 2021 - openaccess.thecvf.com
Both non-local (NL) operation and sparse representation are crucial for Single Image Super-
Resolution (SISR). In this paper, we investigate their combinations and propose a novel Non …

Multi-stage progressive image restoration

SW Zamir, A Arora, S Khan, M Hayat… - Proceedings of the …, 2021 - openaccess.thecvf.com
Image restoration tasks demand a complex balance between spatial details and high-level
contextualized information while recovering images. In this paper, we propose a novel …

Guided collaborative training for pixel-wise semi-supervised learning

Z Ke, D Qiu, K Li, Q Yan, RWH Lau - … , Glasgow, UK, August 23–28, 2020 …, 2020 - Springer
We investigate the generalization of semi-supervised learning (SSL) to diverse pixel-wise
tasks. Although SSL methods have achieved impressive results in image classification, the …

Cycleisp: Real image restoration via improved data synthesis

SW Zamir, A Arora, S Khan, M Hayat… - Proceedings of the …, 2020 - openaccess.thecvf.com
The availability of large-scale datasets has helped unleash the true potential of deep
convolutional neural networks (CNNs). However, for the single-image denoising problem …

Transfer learning from synthetic to real-noise denoising with adaptive instance normalization

Y Kim, JW Soh, GY Park, NI Cho - Proceedings of the IEEE …, 2020 - openaccess.thecvf.com
Real-noise denoising is a challenging task because the statistics of real-noise do not follow
the normal distribution, and they are also spatially and temporally changing. In order to cope …

Cvf-sid: Cyclic multi-variate function for self-supervised image denoising by disentangling noise from image

R Neshatavar, M Yavartanoo… - Proceedings of the …, 2022 - openaccess.thecvf.com
Recently, significant progress has been made on image denoising with strong supervision
from large-scale datasets. However, obtaining well-aligned noisy-clean training image pairs …