下采样 meaning in English
downsapling
Examples
- Dct domain video transcoding downscaling algorithms
域视频图像转码的下采样算法 - We then present an efficient motion re - estimation scheme which can handle not only the temporal but also the spatial resolution transcoding . in addition , compressed domain image down - conversion was introduced
在空间分辨率转码过程中，利用dct域空间下采样算法实现纹理数据的下采样，可以跳过dct idct变换，使得运算复杂度进一步降低。 - In this article , vectors are composed of mean gray level of image and texture features in detail images of 2d - wavelet transform without down - sampling . distances between each two objects " vectors are much larger than that of seisuke fukuda ' s
本文首次利用图像灰度均值与无下采样小波变换细节图像纹理能量组成特征矢量，使目标间纹理特征的差异比seisukefukuda等方法所得更明显。 - This paper studies the architectures and key algorithms of the transcoding from hdtv to sdtv in the dct domain . the key algorithms includes : motion vector mapping , picture downsizing in dct domain , motion compensation in dct domain and rate control
本文研究了dct域hdtv至sdtv转码的架构和关键算法。其中,关键算法包括:运动矢量映射算法、 dct域图像下采样算法、 dct域运动补偿算法、码率控制算法。