该算法是直接利用压缩视频流中的特征信息，采用基于统计的方法来快速计算出亮度直方图。
This algorithm is based on the information derived from the partially-decoded video bit stream, using the statistical method to get the histogram rapidly.
接下来，我想找到地震发生在哪里，以及如何快速计算出在我的研究范围内记录地震次数最多的是哪个区域。
Next, I want to find out where earthquakes are occurring, and somehow quickly measure which location logs the most earthquakes in my date range.
林克斯教授表示，科学家可以使用电脑快速模拟什么地方会受放射性物质影响，然后计算出受污染区域的大小。
Professor Links says scientists can use computers to quickly model where radioactive material has blown and settled. Then they measure how large an area is contaminated.
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