例句與造句

1. A method erasing noises on raster map based on extension character
   基于外延特征的柵格地圖噪聲去除算法
2. The algorithm takes advantage of the merits of the watermarks both in low frequency and high frequency and can embed more information with less distortion . experimental results show the algorithm is robust to many common image operations . as for the vector map data , an uniform model of embeding watermark for vector maps and raster maps is proposed after current trend of research and watermarking methods of 3 - d vector images are summarized , primary study results show the model is effective and promising to further research
   目前該問(wèn)題在國(guó)內(nèi)外都還處于探索階段，作者在分析了國(guó)內(nèi)外三維矢量水印的研究狀況、研究方法后，提出了將矢量數(shù)據(jù)中的部分信息轉(zhuǎn)化為柵格形式后再嵌入水印的方法，該方法使地圖柵格數(shù)據(jù)和矢量數(shù)據(jù)在嵌入水印時(shí)能夠使用統(tǒng)一模型，初步的實(shí)驗(yàn)結(jié)果表明該方法為二維地圖矢量數(shù)據(jù)的水印嵌入開(kāi)辟了一種新途徑。
3. It's difficult to find raster map in a sentence. 用raster map造句挺難的