ONOFF
划词翻译
导航
建议反馈
词典App

spatial scalability中文是什么意思

  • 空间尺寸可调能力

"查查词典"手机版

千万人都在用的超大词汇词典翻译APP

  • 例句与用法
  • In fact, scaling technology is an essential component in many image / video processing such as to magnify / minify still image, to achieve special effect like picture-in-picture, to compress or transform digital video with spatial scalability etc . in this thesis we mainly employ this technology in video transcoding, which is a powerful but computationally intensive tools to convert one kind of video format into another, meeting different demand such as lower bitrates or various display terminals . in sum, there are two kinds of scaling schemes : one is in spatial domain and the other in transform domain . the scheme in transform domain can provide very good performance, that is, efficient computation and desirable image quality, whereas it has some disadvantage which is impossible or hardly to o vercome, especially some scenarios require arbitrary ratio zoom in horizontal and vertical, and excellent visual effect
    两种方法都各有其利弊:变换域的方法是利用现有常用的视频压缩方案都是基于dct这个特点,所以可以直接在变换域做处理,这样可以节省大量的计算,但其缺点是由于dct是基于块的变换,如88,所以很难找到一种方案可以进行任意比例的缩放,尤其是在纵横缩放比例不一致的情形,但这对诸如hd缩放到sd和空域分级的压缩方案来说尤为重要,基于空域滤波的方法却没有这样的限制,同时可以保证缩放后的图像的质量远高于基于变换域的方法,为了达到高的缩放质量,就不可避免导致计算量过大。
  • 推荐英语阅读
spatial scalability的中文翻译,spatial scalability是什么意思,怎么用汉语翻译spatial scalability,spatial scalability的中文意思,spatial scalability的中文spatial scalability in Chinesespatial scalability的中文spatial scalability怎么读,发音,例句,用法和解释由查查在线词典提供,版权所有违者必究。
Last modified time:Mon, 11 Aug 2025 00:29:56 GMT

说出您的建议或使用心得