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1、網(wǎng)絡(luò)多媒體小組數(shù)字圖像分析及應(yīng)用實(shí)例2021/10/4網(wǎng)絡(luò)多媒體小組2內(nèi)容提要2021/10/42數(shù)字圖像概念數(shù)字圖像分析原理步驟數(shù)字圖像分析應(yīng)用實(shí)例2021/10/4網(wǎng)絡(luò)多媒體小組3數(shù)字圖像概念圖像數(shù)字圖像灰色圖像彩色圖像模擬圖像2021/10/43數(shù)字圖像：將模擬圖象通過(guò)采樣離散化得到數(shù)字圖像，便于計(jì)算機(jī)處理。2021/10/4網(wǎng)絡(luò)多媒體小組4介紹常見(jiàn)詞像素RGB灰色圖像彩色圖像2021/10/4網(wǎng)絡(luò)多媒體小組5像素像素：組成數(shù)字圖像的元素。每一個(gè)像素的坐標(biāo)對(duì)應(yīng)特定的圖像網(wǎng)格位置。像素的數(shù)值反映圖像中對(duì)應(yīng)位置的亮度。像素2021/10/4網(wǎng)絡(luò)多媒體小組6RGB顏色空間之一--
2、RGB藍(lán)青品紅紅黑白綠黃歸一化的RGB顏色立方圖2021/10/4網(wǎng)絡(luò)多媒體小組7灰度圖像（單色圖像）每個(gè)像素的亮度用一個(gè)數(shù)值來(lái)表示，通常數(shù)值范圍在0到255之間（一個(gè)字節(jié)），0表示黑、255表示白，而其它表示灰度。255200100500125,153,158,157,127,0,103,120,129,144,144,150,150,147,150,160,165,160,164,16,67,175,175,166,133,133,154,158,100,116,120,97,74,54,4,118,146,148,150,145,157,164,157,158,162,16
3、5,171,155,115,88,155,163,95,112,123,101,137,108,81,71,63,137,142,146,152,159,161,159,154,138,81,78,84,114,167,69,85,59,65,43,85,34,69,78,104,101,117,132,134,149,160,165,158,143,114,99,57,45,51,57,54,46,38,44,38,36,44,36,25,48,115,113,114,124,135,152,168,169,156,75,43,39,41,38,42,41,58,30,44,3
4、5,28,69,144,147,57,60,93,106,119,124,131,144,175,177,63,30,30,124,139,65,31,39,61,35,75,51,66,58,167,177,153,58,80,95,108,120,133,155,182,137,84,74,54,61,149,96,36,29,115,71,84,105,6,136,172,175,128,126,114,106,109,115,127,169,187,105,102,5,117,120,131,148,144,113,112,109,115,128,162,193,143,
5、132,124,110,131,97,53,66,129,123,128,114,108,115,102,121,129,125,113,112,111,111,127,162,192,150,129,117,112,107,64,67,73,131,125,112,105,95,88,33,139,132,127,128,134,136,144,140,141,113,120,114,115,122,154,188,159,143,6,138,143,145,138,143,143,141,144,129,118,119,115,112,120,152,186,165,150,
6、139,128,117,109,104,93,140,146,147,145,150,154,147,149,143,132,127,124,117,112,117,142,184,171,144,139,129,119,114,112,100135,143,145,151,150,143,146,142,139,131,131,127,119,115,114,140,190,177,141,135,133,121,120,115,102128,137,141,149,150,148,143,141,136,128,120,122,116,109,116,136,182,182,
7、140,135,130,124,116,109,100131,132,141,143,148,147,143,140,134,125,116,117,108,109,120,130,171,185,133,132,127,120,117,110,36,131,139,136,140,141,140,136,132,121,114,117,109,106,112,130,163,192,130,126,131,132,132,136,140,134,135,128,117,110,
