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With the advent of deep learning, the number of works proposing new methods or improving existent ones has grown exponentially in the last years. In this scenario, "very deep" models were emerging, once they were expected to extract more…

人工智能 · 计算机科学 2021-01-19 Mateus Roder , Leandro A. Passos , Luiz Carlos Felix Ribeiro , Clayton Pereira , João Paulo Papa

We present a novel framework to efficiently acquire near-planar anisotropic reflectance in a pixel-independent fashion, using a deep gated mixtureof-experts. While existing work employs a unified network to handle all possible input, our…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Xiaohe Ma , Yaxin Yu , Hongzhi Wu , Kun Zhou

Existing deep learning-based shadow removal methods still produce images with shadow remnants. These shadow remnants typically exist in homogeneous regions with low-intensity values, making them untraceable in the existing image-to-image…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Yuhao Liu , Qing Guo , Lan Fu , Zhanghan Ke , Ke Xu , Wei Feng , Ivor W. Tsang , Rynson W. H. Lau

This paper addresses the problem of inverse rendering from photometric images. Existing approaches for this problem suffer from the effects of self-shadows, inter-reflections, and lack of constraints on the surface reflectance, leading to…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Jingzhi Bao , Guanying Chen , Shuguang Cui

Since specular reflection often exists in the real captured images and causes deviation between the recorded color and intrinsic color, specular reflection separation can bring advantages to multiple applications that require consistent…

计算机视觉与模式识别 · 计算机科学 2022-01-26 Sijia Wen , Yingqiang Zheng , Feng Lu

Unsupervised transfer learning-based change detection methods exploit the feature extraction capability of pre-trained networks to distinguish changed pixels from the unchanged ones. However, their performance may vary significantly…

图像与视频处理 · 电气工程与系统科学 2024-05-17 Sudipan Saha

Image shadow removal is a crucial task in computer vision. In real-world scenes, shadows alter image color and brightness, posing challenges for perception and texture recognition. Traditional and deep learning methods often overlook the…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Jiajia Liang

Existing facial appearance capture methods can reconstruct plausible facial reflectance from smartphone-recorded videos. However, the reconstruction quality is still far behind the ones based on studio recordings. This paper fills the gap…

图形学 · 计算机科学 2025-06-05 Yuxuan Han , Junfeng Lyu , Kuan Sheng , Minghao Que , Qixuan Zhang , Lan Xu , Feng Xu

We introduce a novel method for using reflectance to identify materials. Reflectance offers a unique signature of the material but is challenging to measure and use for recognizing materials due to its high-dimensionality. In this work,…

计算机视觉与模式识别 · 计算机科学 2015-02-10 Hang Zhang , Kristin Dana , Ko Nishino

Lighting prediction from a single image is becoming increasingly important in many vision and augmented reality (AR) applications in which shading and shadow consistency between virtual and real objects should be guaranteed. However, this…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Jiayang Bai , Jie Guo , Chenchen Wan , Zhenyu Chen , Zhen He , Shan Yang , Piaopiao Yu , Yan Zhang , Yanwen Guo

A user-centric method for fast, interactive, robust and high-quality shadow removal is presented. Our algorithm can perform detection and removal in a range of difficult cases: such as highly textured and colored shadows. To perform…

计算机视觉与模式识别 · 计算机科学 2016-09-21 Han Gong , Darren P. Cosker

Image restoration is the task of recovering a clean image from a degraded version. In most cases, the degradation is spatially varying, and it requires the restoration network to both localize and restore the affected regions. In this…

图像与视频处理 · 电气工程与系统科学 2022-01-04 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

In this paper, we propose a 2-stage low-light image enhancement method called Self-Reference Deep Adaptive Curve Estimation (Self-DACE). In the first stage, we present an intuitive, lightweight, fast, and unsupervised luminance enhancement…

图像与视频处理 · 电气工程与系统科学 2023-09-12 Jianyu Wen , Chenhao Wu , Tong Zhang , Yixuan Yu , Piotr Swierczynski

Existing shadow detection models struggle to differentiate dark image areas from shadows. In this paper, we tackle this issue by verifying that all detected shadows are real, i.e. they have paired shadow casters. We perform this step in a…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Nikolina Kubiak , Elliot Wortman , Armin Mustafa , Graeme Phillipson , Stephen Jolly , Simon Hadfield

The reflections caused by common semi-reflectors, such as glass windows, can impact the performance of computer vision algorithms. State-of-the-art methods can remove reflections on synthetic data and in controlled scenarios. However, they…

计算机视觉与模式识别 · 计算机科学 2018-08-17 Patrick Wieschollek , Orazio Gallo , Jinwei Gu , Jan Kautz

Robust scene representation is essential for autonomous systems to safely operate in challenging low-visibility environments. Radar has a clear advantage over cameras and lidars in these conditions due to its resilience to environmental…

机器人学 · 计算机科学 2026-03-27 Judith Treffler , Vladimír Kubelka , Henrik Andreasson , Martin Magnusson

Lane detection algorithms are crucial for the development of autonomous vehicles technologies. The more extended approach is to use cameras as sensors. However, LIDAR sensors can cope with weather and light conditions that cameras can not.…

机器人学 · 计算机科学 2025-03-19 Novel Certad , Walter Morales-Alvarez , Cristina Olaverri-Monreal

Many studies have been conducted so far on image restoration, the problem of restoring a clean image from its distorted version. There are many different types of distortion which affect image quality. Previous studies have focused on…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Masanori Suganuma , Xing Liu , Takayuki Okatani

How to extract more and useful information for single image super resolution is an imperative and difficult problem. Learning-based method is a representative method for such task. However, the results are not so stable as there may exist…

图像与视频处理 · 电气工程与系统科学 2020-03-25 Hu Liang , Shengrong Zhao

We present a novel direction-aware feature-level frequency decomposition network for single image deraining. Compared with existing solutions, the proposed network has three compelling characteristics. First, unlike previous algorithms, we…

计算机视觉与模式识别 · 计算机科学 2021-06-16 Sen Deng , Yidan Feng , Mingqiang Wei , Haoran Xie , Yiping Chen , Jonathan Li , Xiao-Ping Zhang , Jing Qin
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