Against the bit error when the picture is compressed, with JND model in order to keep invisible, a new bit error correction method is proposed based on extraction-comparison.
针对图像压缩时所导致的误码，利用JND模型，提出了一种新的基于提取对比的误码修正算法。
In order to obtain a residual error map for remote sensing data after geometric correction, a GCP error propagation model was proposed.
为了获取遥感影像几何纠正误差空间分布情况，提出一种纠正控制点误差传播模型。
In order to obtain a residual error map for remote sensing data after geometric correction, a GCP error propagation model was proposed.
为了获取遥感影像几何纠正误差空间分布情况，提出一种纠正控制点误差传播模型。
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