[問題] jpg彩色圖 -> jpg 8bit grayscale

作者: sleeeve (赴美留學的日子...)   2015-03-11 07:01:20
請問要如何將一個彩色(test1.jpg)圖轉成8-bit grayscale JPEG format呢?
x = imread('test1.jpg');
k = rgb2gray(x); % 轉成灰階
imwrite(k,'myGray.jpg') % 轉成JPG檔
然後要怎麼弄成8-bit呢?
感謝
作者: JamesChen (James)   2015-03-11 10:36:00
16 bit = 256 種變化 8 bit 就砍半就好換言之你把它除2 然後無條件進位即可

Links booklink

Contact Us: admin [ a t ] ucptt.com