Image Dehazing Technique Based on Sky Weight Detection and Fusion Transmission

Jung-San Lee,
Yun-Yi Fan,
Hsin-Yu Lee,
Gah Wee Yong,
Ying-Chin Chen,

Abstract


Computer vision techniques are widely applied to the object detection, license plate recognition, remote sensing, and outdoor monitoring system. The performance of these applications mainly relies on the high quality of outdoor image. However, an outdoor image can be led to contrast decrease, color distortion, and unclear structure by poor weather conditions and human factors such as haze, fog, and air pollution. These issues may lower down the sharpness of a photo. Despite of the single-image dehazing is used to solve these issues, it cannot achieve a satisfactory result when the method deals with the bright scene and sky area. In this article, we aim to design an adaptive dehazing technique based on fusion transmission and sky weight detection. The sky weight detection is employed to distinguish the foreground and background, while detected results are applied to the fusion strategy to calculate deep and shallow transmissions. Thus, this can get rids of the subject of over-adjustment. Experimental results have demonstrated that the new method can outperform the latest state-of-the-art methods in terms of subjective and the objective assessments.

Keywords


Dehaze, Fog, Illumination, Dark channel, Fusion

Citation Format:
Jung-San Lee, Yun-Yi Fan, Hsin-Yu Lee, Gah Wee Yong, Ying-Chin Chen, "Image Dehazing Technique Based on Sky Weight Detection and Fusion Transmission," Journal of Internet Technology, vol. 23, no. 5 , pp. 967-980, Sep. 2022.

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