通过采取快速傅立叶变换以及优化滤波减弱了图像噪声对相关波峰的影响，能快速、准确、实时的对相关点进行定位。

By using the fast Fourier transform and optimized filter, the impact of image noise has been reduced, so we can estimate the correlation peak fast and accurate.

youdao

光电联合变换相关器具有实时处理光学图像能力，因此可用于景像匹配系统。

Opto-electronic joint transform correlator has real-time ability for processing optical images, so it can be used in scene matching system.

youdao

在B型超声机械扇形扫描成像当中，原始图像信号是以极坐标的形式输出的，对图像进行实时坐标变换和漏点插补是图像预处理所要解决的主要问题。

In the B-mode sector scan ultrasonic imaging system, the raw image is in polar coordinates, therefore, it is main tasks of image pre-processing to achieve image coordinate transform and interpolation.

youdao