常見例句雙語(yǔ)例句Experiments demonstrate that the technique can well withstand such geometrical attacks as rotation, scaling, shearing and translation, and JPEG lossy compression.為了增強(qiáng)水印的抗幾何攻擊能力，本文提出了一種基于圖像內(nèi)容的水印方案。By the reconstruction of DCT coefficient, HSFW can accept JPEG lossy compression on the watermarked image to a pre-determined quality factor, and reject malicious attacks.基于DCT系數(shù)重構(gòu)的分層認(rèn)證水印算法利用預(yù)量化原理來實(shí)現(xiàn)對(duì)有損壓縮后的DCT系數(shù)的重構(gòu)，水印達(dá)到了對(duì)正常的JPEG有損壓縮魯棒，對(duì)惡意篡改脆弱的目的。Lossy compression schemes are best decoded in the processor, because it is necessary to rebuild and recreate the lost data, which in essence is what the processor is designed for.有損壓縮方案是最好的解碼處理器，因?yàn)樗亟ú⒅匦聞?chuàng)建丟失的數(shù)據(jù)，這實(shí)質(zhì)是什么處理器設(shè)計(jì)。權(quán)威例句Lossy compression digital music files, such as MP3s, take up about 6 to 7 MB.ENGADGET: iRiver's AK100 lossless-friendly music player heading to the States December 4th 返回 lossy compression