Put forward to two methods for reducing the effect of projection difference.

提出了消除或者减少投影差对变化检测结果的影响的两种方法。

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A change detection method regarding shadow and projection difference is designed by integrating texture feature differences, automatic shadow extraction and projection difference handling.

利用阴影差值图像消除纹理差值法变化检测结果中的阴影影响，取得了很好的实验效果。

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There is obvious difference in absolute speed and angle of projection between male long jumpers in our country and abroad.

我国男子跳远运动员在绝对速度和腾起角度上与国外优秀选手存在明显差距。

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The CBO projection is $7 trillion. The difference between the two estimates lies primarily in the fact that the CBO assumes the expiration of Bush administration-era tax cuts, while the White House is assuming that President Barack Obama will honor his pledge against allowing taxes to rise on families earning less than $250,000 a year.

VOA: standard.2009.08.25