| Records |
Links |
| Author |
Marcos V Conde; Florin Vasluianu; Javier Vazquez; Radu Timofte |
|
| Title |
Perceptual image enhancement for smartphone real-time applications |
Type |
Conference Article |
| Year |
2023 |
Publication |
Proceedings of the IEEE/CVF Winter Conference on Applications of Computer Vision |
Abbreviated Journal |
|
|
| Volume |
|
Issue |
|
Pages |
1848-1858 |
|
| Keywords |
|
|
| Abstract |
Recent advances in camera designs and imaging pipelines allow us to capture high-quality images using smartphones. However, due to the small size and lens limitations of the smartphone cameras, we commonly find artifacts or degradation in the processed images. The most common unpleasant effects are noise artifacts, diffraction artifacts, blur, and HDR overexposure. Deep learning methods for image restoration can successfully remove these artifacts. However, most approaches are not suitable for real-time applications on mobile devices due to their heavy computation and memory requirements. In this paper, we propose LPIENet, a lightweight network for perceptual image enhancement, with the focus on deploying it on smartphones. Our experiments show that, with much fewer parameters and operations, our model can deal with the mentioned artifacts and achieve competitive performance compared with state-of-the-art methods on standard benchmarks. Moreover, to prove the efficiency and reliability of our approach, we deployed the model directly on commercial smartphones and evaluated its performance. Our model can process 2K resolution images under 1 second in mid-level commercial smartphones. |
|
| Address |
Waikoloa; Hawai; USA; January 2023 |
|
Corporate Author  |
|
Thesis |
|
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
WACV |
|
| Notes |
MACO; CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ CVV2023 |
Serial |
3900 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Danna Xue; Luis Herranz; Javier Vazquez; Yanning Zhang |
|
| Title |
Burst Perception-Distortion Tradeoff: Analysis and Evaluation |
Type |
Conference Article |
| Year |
2023 |
Publication |
IEEE International Conference on Acoustics, Speech and Signal Processing |
Abbreviated Journal |
|
|
| Volume |
|
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
Burst image restoration attempts to effectively utilize the complementary cues appearing in sequential images to produce a high-quality image. Most current methods use all the available images to obtain the reconstructed image. However, using more images for burst restoration is not always the best option regarding reconstruction quality and efficiency, as the images acquired by handheld imaging devices suffer from degradation and misalignment caused by the camera noise and shake. In this paper, we extend the perception-distortion tradeoff theory by introducing multiple-frame information. We propose the area of the unattainable region as a new metric for perception-distortion tradeoff evaluation and comparison. Based on this metric, we analyse the performance of burst restoration from the perspective of the perception-distortion tradeoff under both aligned bursts and misaligned bursts situations. Our analysis reveals the importance of inter-frame alignment for burst restoration and shows that the optimal burst length for the restoration model depends both on the degree of degradation and misalignment. |
|
| Address |
Rodhes Islands; Greece; June 2023 |
|
| Corporate Author |
|
Thesis |
|
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
ICASSP |
|
| Notes |
CIC; MACO |
Approved |
no |
|
| Call Number |
Admin @ si @ XHV2023 |
Serial |
3909 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Yawei Li; Yulun Zhang; Radu Timofte; Luc Van Gool; Zhijun Tu; Kunpeng Du; Hailing Wang; Hanting Chen; Wei Li; Xiaofei Wang; Jie Hu; Yunhe Wang; Xiangyu Kong; Jinlong Wu; Dafeng Zhang; Jianxing Zhang; Shuai Liu; Furui Bai; Chaoyu Feng; Hao Wang; Yuqian Zhang; Guangqi Shao; Xiaotao Wang; Lei Lei; Rongjian Xu; Zhilu Zhang; Yunjin Chen; Dongwei Ren; Wangmeng Zuo; Qi Wu; Mingyan Han; Shen Cheng; Haipeng Li; Ting Jiang; Chengzhi Jiang; Xinpeng Li; Jinting Luo; Wenjie Lin; Lei Yu; Haoqiang Fan; Shuaicheng Liu; Aditya Arora; Syed Waqas Zamir; Javier Vazquez; Konstantinos G. Derpanis; Michael S. Brown; Hao Li; Zhihao Zhao; Jinshan Pan; Jiangxin Dong; Jinhui Tang; Bo Yang; Jingxiang Chen; Chenghua Li; Xi Zhang; Zhao Zhang; Jiahuan Ren; Zhicheng Ji; Kang Miao; Suiyi Zhao; Huan Zheng; YanYan Wei; Kangliang Liu; Xiangcheng Du; Sijie Liu; Yingbin Zheng; Xingjiao Wu; Cheng Jin; Rajeev Irny; Sriharsha Koundinya; Vighnesh Kamath; Gaurav Khandelwal; Sunder Ali Khowaja; Jiseok Yoon; Ik Hyun Lee; Shijie Chen; Chengqiang Zhao; Huabin Yang; Zhongjian Zhang; Junjia Huang; Yanru Zhang |
|
| Title |
NTIRE 2023 challenge on image denoising: Methods and results |
Type |
Conference Article |
| Year |
2023 |
Publication |
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops |
Abbreviated Journal |
|
|
| Volume |
|
Issue |
|
Pages |
1904-1920 |
|
| Keywords |
|
|
| Abstract |
This paper reviews the NTIRE 2023 challenge on image denoising (σ = 50) with a focus on the proposed solutions and results. The aim is to obtain a network design capable to produce high-quality results with the best performance measured by PSNR for image denoising. Independent additive white Gaussian noise (AWGN) is assumed and the noise level is 50. The challenge had 225 registered participants, and 16 teams made valid submissions. They gauge the state-of-the-art for image denoising. |
|
| Address |
Vancouver; Canada; June 2023 |
|
| Corporate Author |
|
Thesis |
|
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
CVPRW |
|
| Notes |
MACO; CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ LZT2023 |
Serial |
3910 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Justine Giroux; Mohammad Reza Karimi Dastjerdi; Yannick Hold-Geoffroy; Javier Vazquez; Jean François Lalonde |
|
| Title |
Towards a Perceptual Evaluation Framework for Lighting Estimation |
Type |
Conference Article |
| Year |
2024 |
Publication |
Arxiv |
Abbreviated Journal |
|
|
| Volume |
|
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
rogress in lighting estimation is tracked by computing existing image quality assessment (IQA) metrics on images from standard datasets. While this may appear to be a reasonable approach, we demonstrate that doing so does not correlate to human preference when the estimated lighting is used to relight a virtual scene into a real photograph. To study this, we design a controlled psychophysical experiment where human observers must choose their preference amongst rendered scenes lit using a set of lighting estimation algorithms selected from the recent literature, and use it to analyse how these algorithms perform according to human perception. Then, we demonstrate that none of the most popular IQA metrics from the literature, taken individually, correctly represent human perception. Finally, we show that by learning a combination of existing IQA metrics, we can more accurately represent human preference. This provides a new perceptual framework to help evaluate future lighting estimation algorithms. |
|
| Address |
Seattle; USA; June 2024 |
|
| Corporate Author |
|
Thesis |
|
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
CVPR |
|
| Notes |
MACO; CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ GDH2024 |
Serial |
3999 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Trevor Canham; Javier Vazquez; D Long; Richard F. Murray; Michael S Brown |
|
| Title |
Noise Prism: A Novel Multispectral Visualization Technique |
Type |
Journal Article |
| Year |
2021 |
Publication |
31st Color and Imaging Conference |
Abbreviated Journal |
|
|
| Volume |
|
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
A novel technique for visualizing multispectral images is proposed. Inspired by how prisms work, our method spreads spectral information over a chromatic noise pattern. This is accomplished by populating the pattern with pixels representing each measurement band at a count proportional to its measured intensity. The method is advantageous because it allows for lightweight encoding and visualization of spectral information
while maintaining the color appearance of the stimulus. A four alternative forced choice (4AFC) experiment was conducted to validate the method’s information-carrying capacity in displaying metameric stimuli of varying colors and spectral basis functions. The scores ranged from 100% to 20% (less than chance given the 4AFC task), with many conditions falling somewhere in between at statistically significant intervals. Using this data, color and texture difference metrics can be evaluated and optimized to predict the legibility of the visualization technique. |
|
| Address |
|
|
| Corporate Author |
|
Thesis |
|
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
CIC |
|
| Notes |
MACO; CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ CVL2021 |
Serial |
4000 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Naila Murray |
|
| Title |
Perceptual Feature Detection |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
131 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Mur2009 |
Serial |
2390 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Maria del Camp Davesa |
|
| Title |
Human action categorization in image sequences |
Type |
Report |
| Year |
2011 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
169 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
Bellaterra (Spain) |
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
|
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CiC;CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Dav2011 |
Serial |
1934 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Albert Gordo |
|
| Title |
A Cyclic Page Layout Descriptor for Document Classification & Retrieval |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
128 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC;DAG |
Approved |
no |
|
| Call Number |
Admin @ si @ Gor2009 |
Serial |
2387 |
|
| Permanent link to this record |
| |
|
| |
| Author |
David Augusto Rojas |
|
| Title |
Colouring Local Feature Detection for Matching |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
133 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Roj2009 |
Serial |
2392 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Olivier Penacchio |
|
| Title |
Relative Density of L, M, S photoreceptors in the Human Retina |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
135 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Pen2009 |
Serial |
2394 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Xavier Boix |
|
| Title |
Learning Conditional Random Fields for Stereo |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
136 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Boi2009 |
Serial |
2395 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Shida Beigpour |
|
| Title |
Physics-based Reflectance Estimation Applied to Recoloring |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
137 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Bei2009 |
Serial |
2396 |
|
| Permanent link to this record |
| |
|
| |
| Author |
Jose Carlos Rubio |
|
| Title |
Graph matching based on graphical models with application to vehicle tracking and classification at night |
Type |
Report |
| Year |
2009 |
Publication |
CVC Technical Report |
Abbreviated Journal |
|
|
| Volume |
144 |
Issue |
|
Pages |
|
|
| Keywords |
|
|
| Abstract |
|
|
| Address |
|
|
| Corporate Author |
Computer Vision Center |
Thesis |
Master's thesis |
|
| Publisher |
|
Place of Publication |
Bellaterra, Barcelona |
Editor |
|
|
| Language |
|
Summary Language |
|
Original Title |
|
|
| Series Editor |
|
Series Title |
|
Abbreviated Series Title |
|
|
| Series Volume |
|
Series Issue |
|
Edition |
|
|
| ISSN |
|
ISBN |
|
Medium |
|
|
| Area |
|
Expedition |
|
Conference |
|
|
| Notes |
CIC |
Approved |
no |
|
| Call Number |
Admin @ si @ Rub2009 |
Serial |
2398 |
|
| Permanent link to this record |
