Generation of Airborne Synthetic Aperture Radar Video from Stripmap and Spot mode images and Frame Rate Analysis

2020 IEEE India Geoscience and Remote Sensing Symposium (InGARSS) Pub Date : 2020-12-01 DOI:10.1109/InGARSS48198.2020.9358941

S. Manikandan, Chhabi Nigam, S. Ramakrishnan, D. Seshagiri

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Abstract

VideoSAR is the latest technology, where the radar system enables continuous data collection and processes SAR imagery as a sequence of images continuously when the radar platform either flies by or circles the region of interest. In this paper, the Synthetic Aperture Radar video is generated from Strip map mode and Spot light mode of SAR images. In case of strip map images to video conversion, the continuous image sequence is formed by mosaicing of multiple image strips and or by overlapping of batches. In spot mode, the target of interest is fixed and platform with radar flies by or in circular path and looks at same region of interest. Two to five spot images are considered per second to form the Spot video for 24 frames per second. Interpolation techniques are performed in between the spot images to make it into 24 frames. The results of the airborne Strip map and Spot mode SAR videos are given in the paper. The frame rates also analyzed for the airborne radar of the different velocities, ranges and resolution of images to produce better SAR video.

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基于带状图和点模式图像的机载合成孔径雷达视频生成及帧率分析

VideoSAR是最新的技术，当雷达平台飞过或环绕感兴趣的区域时，雷达系统可以连续收集数据并将SAR图像处理为连续的图像序列。本文利用SAR图像的条形图模式和聚光灯模式生成合成孔径雷达视频。在将条带映射图像转换为视频的情况下，通过对多个图像条带的拼接和或批量的重叠形成连续的图像序列。在点模式下，感兴趣的目标是固定的，雷达平台沿着或沿圆形路径飞行，并观察相同的感兴趣区域。每秒考虑2到5个点图像，以形成每秒24帧的点视频。在点图像之间执行插值技术，使其成为24帧。文中给出了机载Strip图和Spot模式SAR视频的结果。并对机载雷达在不同速度、距离和分辨率下的图像帧率进行了分析，以产生更好的SAR视频。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2020 IEEE India Geoscience and Remote Sensing Symposium (InGARSS)

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