当前位置: X-MOL 学术Infrared Phys. Technol. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
High dynamic range infrared image acquisition based on an improved multi-exposure fusion algorithm
Infrared Physics & Technology ( IF 3.3 ) Pub Date : 2021-03-02 , DOI: 10.1016/j.infrared.2021.103698
Hang Gao , Qian Chen , Chengwei Liu , Guohua Gu

In this paper, a novel scheme for acquiring high dynamic range infrared images is proposed. We firstly apply non-uniformity correction and contrast enhancement to the raw infrared images captured at different integration times, and then obtain the high dynamic range infrared images by fusing the enhanced images via the proposed improved multi-exposure fusion algorithm. Compared with the calibration-based methods, the fussy calibration process is not required to estimate the camera response function of the infrared camera. The proposed multi-exposure fusion algorithm is based on the multi-scale strategy, and the multi-scale details of the fused pyramid and the weighted pyramid are compensated to reduce the loss of details during the pyramid fusion process. Thus, details of the original images are better preserved in the fused image. The experiments are conducted on the grayscale version of the multi-exposure fused image dataset given by Ma et al. [1] and Cai et al. [2]. The proposed method shows superior performance over the other five state-of-the-art methods in terms of the visual quality and the evaluation index MEF-SSIM. The intermediate and final images during the actual infrared image processing are also given to illustrate the robustness and effectiveness of the algorithm.



中文翻译:

基于改进的多曝光融合算法的高动态范围红外图像采集

本文提出了一种获取高动态范围红外图像的新方案。我们首先对在不同积分时间下捕获的原始红外图像进行非均匀性校正和对比度增强,然后通过提出的改进的多曝光融合算法将增强后的图像进行融合,从而获得高动态范围的红外图像。与基于校准的方法相比,不需要繁琐的校准过程来估计红外摄像机的摄像机响应功能。提出的多曝光融合算法基于多尺度策略,对金字塔金字塔和加权金字塔的多尺度细节进行补偿,以减少金字塔融合过程中细节的损失。因此,原始图像的细节更好地保留在融合图像中。实验是在Ma等人给出的多重曝光融合图像数据集的灰度版本上进行的。[1]和蔡等。[2]。在视觉质量和评估指标MEF-SSIM方面,所提出的方法显示出优于其他五种最新方法的性能。还给出了实际红外图像处理过程中的中间图像和最终图像,以说明该算法的鲁棒性和有效性。

更新日期:2021-03-09
down
wechat
bug