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With the rise of deep learning algorithms nowadays, scene image representation methods have achieved a significant performance boost in classification. However, the performance is still limited because the scene images are mostly complex…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Chiranjibi Sitaula , Tej Bahadur Shahi , Faezeh Marzbanrad , Jagannath Aryal

Style transfer is a problem of rendering image with some content in the style of another image, for example a family photo in the style of a painting of some famous artist. The drawback of classical style transfer algorithm is that it…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Alexey Schekalev , Victor Kitov

Recent neural rendering methods have demonstrated accurate view interpolation by predicting volumetric density and color with a neural network. Although such volumetric representations can be supervised on static and dynamic scenes,…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Julian Knodt , Joe Bartusek , Seung-Hwan Baek , Felix Heide

Reflections often degrade the quality of the image by obstructing the background scene. This is not desirable for everyday users, and it negatively impacts the performance of multimedia applications that process images with reflections.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-03 Suhong Kim , Hamed RahmaniKhezri , Seyed Mohammad Nourbakhsh , Mohamed Hefeeda

Visual change detection, aiming at segmentation of video frames into foreground and background regions, is one of the elementary tasks in computer vision and video analytics. The applications of change detection include anomaly detection,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Murari Mandal , Santosh Kumar Vipparthi

Shadows are frequently encountered natural phenomena that significantly hinder the performance of computer vision perception systems in practical settings, e.g., autonomous driving. A solution to this would be to eliminate shadow regions…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Subhrajyoti Dasgupta , Arindam Das , Senthil Yogamani , Sudip Das , Ciaran Eising , Andrei Bursuc , Ujjwal Bhattacharya

Deep neural networks produce state-of-the-art results when trained on a large number of labeled examples but tend to overfit when small amounts of labeled examples are used for training. Creating a large number of labeled examples requires…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Attaullah Sahito , Eibe Frank , Bernhard Pfahringer

We introduce light diffusion, a novel method to improve lighting in portraits, softening harsh shadows and specular highlights while preserving overall scene illumination. Inspired by professional photographers' diffusers and scrims, our…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 David Futschik , Kelvin Ritland , James Vecore , Sean Fanello , Sergio Orts-Escolano , Brian Curless , Daniel Sýkora , Rohit Pandey

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

Computer Vision and Pattern Recognition · Computer Science 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

In the realm of image composition, generating realistic shadow for the inserted foreground remains a formidable challenge. Previous works have developed image-to-image translation models which are trained on paired training data. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Qingyang Liu , Junqi You , Jianting Wang , Xinhao Tao , Bo Zhang , Li Niu

Recent advances in deep learning, in particular enabled by hardware advances and big data, have provided impressive results across a wide range of computational problems such as computer vision, natural language, or reinforcement learning.…

Computer Vision and Pattern Recognition · Computer Science 2021-12-23 Ileana Rugina , Rumen Dangovski , Mark Veillette , Pooya Khorrami , Brian Cheung , Olga Simek , Marin Soljačić

We present a method to estimate the direction and color of the scene light source from a single image. Our method is based on two main ideas: (a) we use a new synthetic dataset with strong shadow effects with similar constraints to the SID…

Computer Vision and Pattern Recognition · Computer Science 2020-09-21 Hassan A. Sial , Ramon Baldrich , Maria Vanrell , Dimitris Samaras

Transfer learning is an important field of machine learning in general, and particularly in the context of fully autonomous driving, which needs to be solved simultaneously for many different domains, such as changing weather conditions and…

Machine Learning · Computer Science 2020-04-28 Oliver Scheel , Loren Schwarz , Nassir Navab , Federico Tombari

With the goal of tuning up the brightness, low-light image enhancement enjoys numerous applications, such as surveillance, remote sensing and computational photography. Images captured under low-light conditions often suffer from poor…

Image and Video Processing · Electrical Eng. & Systems 2021-01-21 Zhuqing Jiang , Chang Liu , Ya'nan Wang , Kai Li , Aidong Men , Haiying Wang , Haiyong Luo

Visual recognition under adverse conditions is a very important and challenging problem of high practical value, due to the ubiquitous existence of quality distortions during image acquisition, transmission, or storage. While deep neural…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Ding Liu , Bowen Cheng , Zhangyang Wang , Haichao Zhang , Thomas S. Huang

Enhancing images in low-light scenes is a challenging but widely concerned task in the computer vision. The mainstream learning-based methods mainly acquire the enhanced model by learning the data distribution from the specific scenes,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Long Ma , Dian Jin , Nan An , Jinyuan Liu , Xin Fan , Risheng Liu

Scene recognition is one of the basic problems in computer vision research with extensive applications in robotics. When available, depth images provide helpful geometric cues that complement the RGB texture information and help to identify…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Andrea Ferreri , Silvia Bucci , Tatiana Tommasi

Image deraining holds great potential for enhancing the vision of autonomous vehicles in rainy conditions, contributing to safer driving. Previous works have primarily focused on employing a single network architecture to generate derained…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Ningning Xu , Jidong J. Yang

The task of extracting intrinsic components, such as reflectance and shading, from neural radiance fields is of growing interest. However, current methods largely focus on synthetic scenes and isolated objects, overlooking the complexities…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Yixiong Yang , Shilin Hu , Haoyu Wu , Ramon Baldrich , Dimitris Samaras , Maria Vanrell

Domain shift widely exists in the visual world, while modern deep neural networks commonly suffer from severe performance degradation under domain shift due to the poor generalization ability, which limits the real-world applications. The…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Yuyang Zhao , Zhun Zhong , Na Zhao , Nicu Sebe , Gim Hee Lee