查询词典 chroma

For instance, we could subsample the chroma of a 4:4:4 YCbCr stream by a factor of 4 horizontally, as shown in Figure 3c, to end up with a 4:1:1 YCbCr stream.

例如，我们可以如图3c 所示的那样，以比例因数"4"来对一个4：4：4 YCbCr 流的水平行上的色度进行子采样，从而得到4：1：1 YCbCr 流。

For more information: read about JPEG chroma subsampling.

更多信息请查阅jpeg色度抽样。

Compression techniques such as chroma subsampling, which uses color variation undetectable to the human eye.

供应商通过应用诸如色彩子取样等算法压缩技术确保视频的质量，所谓的色彩子取样使用了人眼观察不到的颜色变化。

As a result, by subsampling these chroma values, video standards and compression algorithms can achieve large savings in video bandwidth.

于是，通过对这些色度值进行子采样的方法，视频标准和压缩算法可以大幅度缩减视频带宽。

Now, if we filter a 4:4:4 YCbCr signal by subsampling the chroma by a factor of 2 horizontally, we end up with 4:2:2 YCbCr.

现在，如果我们通过在水平方向上对色度信号进行因数为2的子采样，对一个4：4：4 YCbCr 信号进行滤波，于是将得到4：2：2 YCbCr 。

Does not employ chroma subsampling at all.

完全" "不使用色度部份取样。

Providers can ensure video quality by applying algorithmic compression techniques such as chroma subsampling, which uses color variation undetectable to the human eye.

供应商通过应用诸如色彩子取样等算法压缩技术确保视频的质量，所谓的色彩子取样使用了人眼观察不到的颜色变化。

The detailed processing and analysis of the experimental results indicate that the color discrimination characteristics of human eyes are different for individual color regions and directions in the a*-b* plane,and namely the CIE1976 a*-b* plane is visually non-uniform. The visual color tolerance in the third and fourth quadrants is smaller than the first and second quadrants, the biggest tolerance is in the region of high chroma orange, and the smallest is in blue.

通过对实验数据的详细处理和分析表明，等明度a*-b*平面非视觉均匀，人眼对一、二象限的色宽容度普遍高于三、四象限的色宽容度，对高彩度的橙色具有最高的宽容度，对蓝色具有最低的宽容度，所有的颜色在红-绿方向的视觉色差尺度均低于黄-蓝方向。

On basis of color factors of images, the relationship between chroma and color coordinates is obtained, and a method of color coordinates transformation applicable to skin-chromatic, lip-chromatic enhancement is established in this paper.

文中通过对彩色图像的色彩因素的分析，得出了关于色度与彩色坐标系的关系，建立了相应的肤色、唇色色系的坐标变换方法。

The samples of 600℃ group didn't crystallize, but the color became darker and yellower as the peolongation of the heating time; the samples of 650℃ and 700℃ groups crystallized in different degrees, the translucency and Chroma decreased as the prolongation of the heating time, but the Value increased.

600℃组各样本均未晶化，随着保温时间的延长，其颜色逐渐加深，偏黄，650℃及700℃组各样本均发生不同程度的晶化，随晶化温度的升高及保温时间的延长，样本的透明度逐渐降低，亮度逐渐升高，色调变浅且饱和度逐渐降低

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。