求翻译：近几年，户外视觉系统（如户外安全监控、道路监控）应用越来越广泛，对系统的适应性要求也越来越高。但低能见度条件下的天气使户外视觉系统所采集的户外景物图像的对比度和颜色都会改变或退化。对雨是恶劣天气中一种相对复杂的天气，雨天条件下降质图像清晰化方法的研究具有重要意义。是什么意思？

In recent years, outdoor vision systems (such as outdoor security monitoring, road monitoring) more widely, the system adaptability requirements are also increasing. But the weather conditions of low visibility, contrast and color will change or degradation of the outdoor scene images collected in t

In recent years, the outdoor visual system (such as an outdoor safety monitoring, road monitoring) applications are becoming more widespread, the adaptability of the system requirements are also becoming increasingly high. But the low visibility weather conditions to capture the outdoor visual syste

In recent years, the outdoors vision system (for example outdoors safe monitoring, path monitoring) applies more and more widely, more and more is also high to the system compatible request.But under the low visibility condition weather causes the outdoors scenery image contrast gradient and the col

In recent years, outdoor vision systems (such as outdoor security surveillance, road surveillance) application of more and more widely, the adaptability of the system requirements getting higher and higher. But under conditions of low visibility weather outdoor collection of outdoor scenes by the Vi

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