首页> 外文会议>International Society for Photogrammetry and Remote Sensing Congress >THE TOGRAPHY OF ASTEROID IDA: A COMPARISON BETWEEN PHOTOGRAMMETRIC AND TWO-DIMENSIONAL PHOTOCLINOMETRIC IMAGE ANALYSIS
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THE TOGRAPHY OF ASTEROID IDA: A COMPARISON BETWEEN PHOTOGRAMMETRIC AND TWO-DIMENSIONAL PHOTOCLINOMETRIC IMAGE ANALYSIS

机译:小行星IDA的造影:摄影测量与二维复隙图像分析的比较

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We derived high resolution Digital Terrain Models from stereo images of the asteroid Ida that were obtained by the Galileo spacecraft during the flyby in August 1993 and compared these results with terrain models derived from two-dimensional photoclinometry. The comparison shows that there are striking discrepancies between the results from the two models depending on the spatial scale lenght of surface features. While photogrammetry resolves large- and medium-scale features, photoclinometry successfully resolves small-scale features. Ideally, both methods should be combined to optimize terrain modeling.
机译:我们从1993年8月在飞行期间由伽利略航天器在飞行期间获得的小行星IDA的立体图像中获得高分辨率数字地形模型,并将这些结果与来自二维光学算法的地形模型进行了比较。比较表明,根据表面特征的空间尺度增长,两种模型之间存在截然差异。虽然摄影测量可以解决大型和中型特征,但光扫描成功地解决了小规模的特征。理想情况下,两种方法都应组合以优化地形建模。

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