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相关论文: Self-adaptive Single and Multi-illuminant Estimati…

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In this paper we present a method for the estimation of the color of the illuminant in RAW images. The method includes a Convolutional Neural Network that has been specially designed to produce multiple local estimates. A multiple…

计算机视觉与模式识别 · 计算机科学 2015-12-14 Simone Bianco , Claudio Cusano , Raimondo Schettini

Computational color constancy refers to the estimation of the scene illumination and makes the perceived color relatively stable under varying illumination. In the past few years, deep Convolutional Neural Networks (CNNs) have delivered…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Jun Zhang , Tong Zheng , Shengping Zhang , Meng Wang

Recently, Convolutional Neural Networks (CNNs) have been widely used to solve the illuminant estimation problem and have often led to state-of-the-art results. Standard approaches operate directly on the input image. In this paper, we argue…

图像与视频处理 · 电气工程与系统科学 2021-11-11 Firas Laakom , Jenni Raitoharju , Jarno Nikkanen , Alexandros Iosifidis , Moncef Gabbouj

Although recent deep learning-based calibration methods can predict extrinsic and intrinsic camera parameters from a single image, their generalization remains limited by the number and distribution of training data samples. The huge…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Khadidja Ould Amer , Oussama Hadjerci , Mohamed Abbas Hedjazi , Antoine Letienne

In this work we describe a Convolutional Neural Network (CNN) to accurately predict the scene illumination. Taking image patches as input, the CNN works in the spatial domain without using hand-crafted features that are employed by most…

计算机视觉与模式识别 · 计算机科学 2015-04-20 Simone Bianco , Claudio Cusano , Raimondo Schettini

In this paper we present a deep learning method to estimate the illuminant of an image. Our model is not trained with illuminant annotations, but with the objective of improving performance on an auxiliary task such as object recognition.…

计算机视觉与模式识别 · 计算机科学 2018-05-24 Marco Buzzelli , Joost van de Weijer , Raimondo Schettini

Multi-illuminant color constancy methods aim to eliminate local color casts within an image through pixel-wise illuminant estimation. Existing methods mainly employ deep learning to establish a direct mapping between an image and its…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Hang Luo , Rongwei Li , Jinxing Liang

We propose an automatic method to infer high dynamic range illumination from a single, limited field-of-view, low dynamic range photograph of an indoor scene. In contrast to previous work that relies on specialized image capture, user…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Marc-André Gardner , Kalyan Sunkavalli , Ersin Yumer , Xiaohui Shen , Emiliano Gambaretto , Christian Gagné , Jean-François Lalonde

Low-light image enhancement is an important task in computer vision, essential for improving the visibility and quality of images captured in non-optimal lighting conditions. Inadequate illumination can lead to significant information loss…

计算机视觉与模式识别 · 计算机科学 2025-05-15 Ezequiel Perez-Zarate , Oscar Ramos-Soto , Chunxiao Liu , Diego Oliva , Marco Perez-Cisneros

Real-time rendering with global illumination is crucial to afford the user realistic experience in virtual environments. We present a learning-based estimator to predict diffuse indirect illumination in screen space, which then is combined…

图形学 · 计算机科学 2025-11-06 Meng Gai , Guoping Wang , Sheng Li

In this work, we propose a step towards a more accurate prediction of the environment light given a single picture of a known object. To achieve this, we developed a deep learning method that is able to encode the latent space of indoor…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Henrique Weber , Donald Prévost , Jean-François Lalonde

This paper addresses the task of estimating the light arriving from all directions to a 3D point observed at a selected pixel in an RGB image. This task is challenging because it requires predicting a mapping from a partial scene…

计算机视觉与模式识别 · 计算机科学 2019-06-19 Shuran Song , Thomas Funkhouser

The aim of colour constancy is to discount the effect of the scene illumination from the image colours and restore the colours of the objects as captured under a 'white' illuminant. For the majority of colour constancy methods, the first…

计算机视觉与模式识别 · 计算机科学 2022-11-04 Ghalia Hemrit , Joseph Meehan

Imaging through scattering is an important, yet challenging problem. Tremendous progress has been made by exploiting the deterministic input-output "transmission matrix" for a fixed medium. However, this "one-to-one" mapping is highly…

图像与视频处理 · 电气工程与系统科学 2018-09-27 Yunzhe Li , Yujia Xue , Lei Tian

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

White balancing is a fundamental step in the image processing pipeline. The process involves estimating the chromaticity of the illuminant or light source and using the estimate to correct the image to remove any color cast. Given the…

计算机视觉与模式识别 · 计算机科学 2017-03-17 Peter van Beek , R. Wayne Oldford

Deep learning based methods have recently pushed the state-of-the-art on the problem of Single Image Super-Resolution (SISR). In this work, we revisit the more traditional interpolation-based methods, that were popular before, now with the…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Xu Jia , Hong Chang , Tinne Tuytelaars

While modern deep neural networks (DNNs) achieve state-of-the-art results for illuminant estimation, it is currently necessary to train a separate DNN for each type of camera sensor. This means when a camera manufacturer uses a new sensor,…

计算机视觉与模式识别 · 计算机科学 2019-12-17 Mahmoud Afifi , Michael S. Brown

We present Convolutional Mean (CM) - a simple and fast convolutional neural network for illuminant estimation. Our proposed method only requires a small neural network model (1.1K parameters) and a 48 x 32 thumbnail input image. Our…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Han Gong

Automatic color enhancement is aimed to adaptively adjust photos to expected styles and tones. For current learned methods in this field, global harmonious perception and local details are hard to be well-considered in a single model…

计算机视觉与模式识别 · 计算机科学 2019-07-23 Chaowei Shan , Zhizheng Zhang , Zhibo Chen
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