Robust Dense Depth Estimation in Foggy Weather Conditions

IF 5.9 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Hongjin Zhang;Hui Wei;Ren Zheng
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引用次数: 0

Abstract

This article addresses the challenge of obtaining reliable dense depth maps from outdoor stereo images captured in foggy weather conditions, which can help vehicles to achieve auto-driving in foggy weather. Traditional methods often fail to account for the impact of fog. Deep learning approaches face difficulties due to the randomness in the type and density of fog, making each fog event unique and training models effectively challenging. To better solve the stereo-matching problem in dense fog conditions, we propose a novel method that leverages preserved information in the matching cost function and neighboring disparity values. By utilizing functional analysis on the matching cost function, we generate candidate disparity results, which are filtered based on neighborhood information. Finally, we decouple the overall energy function to construct univariate functions for each pixel, obtaining the final disparity results through minimization. Experimental evaluations demonstrate the effectiveness of our method in achieving more accurate disparity results in foggy weather.
雾天条件下的鲁棒密集深度估计
本文解决了在大雾天气条件下从室外立体图像中获取可靠的密集深度图的挑战,这可以帮助车辆在大雾天气中实现自动驾驶。传统的方法往往不能解释雾的影响。由于雾的类型和密度的随机性,深度学习方法面临困难,使得每个雾事件都是独一无二的,训练模型具有有效的挑战性。为了更好地解决大雾条件下的立体匹配问题,我们提出了一种利用匹配代价函数和相邻视差值中保留信息的新方法。通过对匹配代价函数的泛函分析,生成候选视差结果,并根据邻域信息对候选视差结果进行过滤。最后,我们解耦整体能量函数,为每个像素构建单变量函数,通过最小化得到最终的视差结果。实验验证了该方法在雾天条件下获得更精确的视差结果的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Transactions on Instrumentation and Measurement
IEEE Transactions on Instrumentation and Measurement 工程技术-工程:电子与电气
CiteScore
9.00
自引率
23.20%
发文量
1294
审稿时长
3.9 months
期刊介绍: Papers are sought that address innovative solutions to the development and use of electrical and electronic instruments and equipment to measure, monitor and/or record physical phenomena for the purpose of advancing measurement science, methods, functionality and applications. The scope of these papers may encompass: (1) theory, methodology, and practice of measurement; (2) design, development and evaluation of instrumentation and measurement systems and components used in generating, acquiring, conditioning and processing signals; (3) analysis, representation, display, and preservation of the information obtained from a set of measurements; and (4) scientific and technical support to establishment and maintenance of technical standards in the field of Instrumentation and Measurement.
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