A new method for predetermination of all-zero blocks in low rate video coding is proposed, which is based on characters of discrete cosine transform (DCT) and quantization.

该文根据离散余弦变换(DCT)和量化运算的特点，提出了一种新的用于低比特率视频编码的全零块预先判别方法。

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In the low rate video encoding process, predetermination of all-zero blocks which can be applied to reduce the computational complexity is a common method to optimize the software coder.

在低比特率视频编码时，全零块的预先判断，能够有效地减少编码器的计算复杂性，是优化编码器常用的技术之一。

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According to the characteristics of integer discrete cosine transformation(DCT) and quantization, the coefficient-all-zero block was determined in advance to terminate meaningless search.

根据整数DCT变换和量化的特性，通过提前判定全零系数块来终止没有意义的运动搜索过程。

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Meanwhile, the number zero is. Alright, it's all zeros 0 so I'll--just for consistency, use four of them here, but that's just an aesthetic.

同时，数字0呢，自然，全部是,只是为了一致性，我采用四个，当然仅仅是为了美感。

哈佛公开课 - 计算机科学课程节选

First of all, happiness is a positive sum game-- it's not a zero sum game.

首先，快乐是正和游戏-,不是零和游戏。

哈佛公开课 - 幸福课课程节选

-- Else if n is greater than 4 and n is less than 6 -- 7 let's call it medium -- else if n is greater than or equal to 7, -- less than or equal to 10 -- let's call it "big" -- and if the user typed in zero or negative 10 or 20 or whatever, let's just use the all-inclusive else block and just say, "You picked an invalid number."

否则如果n大于4，并且n小于-,我们叫它为中间数--否则如果n大于等于，小于等于10--我们叫它为“大数“,如果用户键入了0或者-10或20或其它的，让我们用一个广泛的else子句，只需要说，“你选了一个非法的数字“

哈佛公开课 - 计算机科学课程节选

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