DMSP/OLS稳定夜间灯光影像的校正方法

doi:10.13474/j.cnki.11-2246.2017.0379

测绘通报 ›› 2017, Vol. 0 ›› Issue (12): 58-62,76.doi: 10.13474/j.cnki.11-2246.2017.0379

DMSP/OLS稳定夜间灯光影像的校正方法

张梦琪¹, 何宗宜¹, 樊勇^1,2

1. 武汉大学资源与环境科学学院, 湖北武汉 430079;
2. 信阳师范学院地理科学学院, 河南信阳 464000

收稿日期:2017-03-06 出版日期:2017-12-25 发布日期:2018-01-05
作者简介:张梦琪(1993-),女,硕士生,研究方向为灯光遥感、数字地图制图。E-mail:949038638@qq.com
基金资助:
国家自然科学基金（41071290）；国家自然科学基金青年项目（41701187）；教育部人文社会科学研究项目（14YJCZH028）

Calibration for DMSP/OLS Stable Nighttime Light Images

ZHANG Mengqi¹, HE Zongyi¹, FAN Yong^1,2

1. School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China;
2. College of Urban & Environmental Science, Xinyang Normal University, Xinyang 464000, China

Received:2017-03-06 Online:2017-12-25 Published:2018-01-05

摘要/Abstract

摘要： 由于DMSP/OLS稳定夜间灯光遥感图像的不连续性和过饱和问题，该数据不具有直接可比性，使用前需进行影像校正。本文提出了一套新的稳定夜间灯光数据的校正方法，包括传感器间的依次校正、连续性校正和过饱和校正，系统校正了1992—2013年时间序列上的34期影像，并对得到的目标影像进行了目视评价、定量评价、相关评价和优势分析。校正后的图像连续性、稳定性大幅提高，与社会经济数据呈现更强烈的线性相关。同时避免了传统方法中的误差引入问题，得到了较好的校正结果。

关键词: DMSP/OLS, 影像校正, 依次校正方法, 结果评价

Abstract: Because of the uncontinuity and the oversaturation of DMSP/OLS stable nighttime light images,the data cannot be compared with each other directly.Therefore,it's necessary to calibrate images before using them.In this paper,a new method is proposed to calibrate the nighttime light data,including mutual correction between sensors,continuity correction and oversaturation correction.The 34 images of 1992-2013 time series are corrected using this method systematically.And then the evaluation for the result is carried out,including visual evaluation,quantitative evaluation,relative evaluation and advantage analysis.After calibration,the continuity and stability of the images are greatly improved,and the linear correlation between nighttime light data and the economic data is stronger.Error introduction in the traditional method is avoided.This method leads to a good calibration result.

Key words: DMSP/OLS, image calibration, successive calibration, result evaluation

中图分类号:

张梦琪, 何宗宜, 樊勇. DMSP/OLS稳定夜间灯光影像的校正方法[J]. 测绘通报, 2017, 0(12): 58-62,76.

ZHANG Mengqi, HE Zongyi, FAN Yong. Calibration for DMSP/OLS Stable Nighttime Light Images[J]. 测绘通报, 2017, 0(12): 58-62,76.

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DMSP/OLS稳定夜间灯光影像的校正方法

Calibration for DMSP/OLS Stable Nighttime Light Images

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