巧用PS锐化功能使图片更清晰 (1)
原图：www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192078177801.jpg
打开原图，进入通道面板，选择绿通道，按Ctrl A，然后按Ctrl C，回到图层面板，新建立一图层，然后按Ctrl V，效果如下：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192084377802.jpg
然后执行特殊模糊：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192089077803.jpg
突出对比度，调整色阶：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192093777804.jpg
查找边缘：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192098477805.jpg
高斯模糊：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192098477806.jpg
原图：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192078177801.jpg
打开原图，进入通道面板，选择绿通道，按Ctrl A，然后按Ctrl C，回到图层面板，新建立一图层，然后按Ctrl V，效果如下：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192084377802.jpg
然后执行特殊模糊：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192089077803.jpg
突出对比度，调整色阶：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192093777804.jpg
查找边缘：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192098477805.jpg
高斯模糊：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192098477806.jpg
调整色阶
www.ad119.cn/bbs/attachments/photoshop/20090106/2009161119214677807.jpg
Ctrl I反相
www.ad119.cn/bbs/attachments/photoshop/20090106/2009161119219377808.jpg
回到通道，按Ctrl点击RGB载入选区：
www.ad119.cn/bbs/attachments/photoshop/20090106/20091611192118777809.jpg
删除图层1，进行USM锐化：
www.ad119.cn/bbs/attachments/photoshop/20090106/200916111921234778010.jpg
最终效果(花蕊部分)：
www.ad119.cn/bbs/attachments/photoshop/20090106/200916111921296778011.jpg
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