change-detection image

基本解释

This paper discusses widely-used change detection techniques and mainly studies image differencing method.
本文对当前常用的变化检测技术进行了讨论，主要研究了图像差值变化检测方法。
First, moving foreground, i. e. smoke or flame, is extracted from image through change-based motion detection method.
首先，通过基于变化的运动目标检测法，对目标前景进行提取；
Relative radiometric normalization of multi-temporal satellite images is the necessary process in change detection or image mosaic.
多时相遥感影像的相对辐射归一化是进行变化检测或拼接不可缺少的步骤。