图像隐藏和数字水印。采用在空域隐藏，在每个象素的bit位的低位藏入图片。采用在DCT系数上附加信息的方法进行。-image hiding and digital watermarking. Hidden in the airspace used in each pixel of the low bit-into the possession of photographs. Using the DCT coefficient Additional information on the methods.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001796s ]
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002183s ]
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SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002448s ]
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