銆?湪Photoshop涓紝鍜岄?閬撴瘮杈冭捣鏉ワ紝浣嶅浘妯″紡浣跨敤鐨勯绻佺▼搴﹀嚑涔庡皯鐨勫彲鎬溿? Today, we take a look, when the two combine, what kind of changes will the image.鍏堟潵鐪嬬湅鏁堟灉濡備綍銆?(Figure 00)
Figure 00
1. First of all, first to select an appropriate image.鎴戞壘浜嗕竴寮犳紓浜殑澹佺焊锛屽湪Photoshop涓墦寮?悗锛岀敤瑁佸垏宸ュ叿瑁佸嚭鎵?渶鐨勫浘鍍忛儴鍒嗐? (Figure 01a, 01b)
Figure 01a
Figure 01b
When selecting material in the picture, if possible, try to select the higher quality picture. In addition, if the original material image larger part in selecting the desired image, it is best to use cutting tools to reduce the image size instead of the method.鍦ㄨ鍒囨椂锛岃娉ㄦ剰鍦ㄥ浘鍍忎富瑕佺洰鏍囧懆鍥寸暀涓嬩竴浜涜儗鏅紝瀹為檯涓婏紝杩欎簺涓昏瀵硅薄鍛ㄥ洿鐨勮儗鏅浘鍍忥紝鎵嶆槸鎴戜滑浠婂ぉ鐪熸鐨勪富瑙掋?
2. Open access panel and check the image for each channel condition.鐢变簬鎴戜滑鐨勪緥鍥炬槸RGB妯″紡锛屾墍浠ラ?閬撻潰鏉夸腑鍖呮嫭浜哛GB缁煎悎閫氶亾鍜岀孩鑹层?缁胯壊銆佽摑鑹查?閬撱? Click to view the various color channels, respectively, to identify the best channel contrast gray, select and drag the channel access panel below the "Create new channel" button, create a copy of the channel. Different image conditions, the gray scale of each channel are not the same situation, you need to have a specific situation to determine the best channel contrast. In this case, I chose the red channel to create a copy. (Figure 02)
Figure 02
Here, the copy of the channel only as a reference for the next step, in itself no effect, and we copy the channel just as a backup, so as not to accidentally damage the original channel.
3. Select the red copy of the channel, the following work will be carried out in the channel. Select the Lasso tool, select the image in the main object, an object slightly larger than the number of electoral boundaries.閫夋嫨涓嶇敤寰堜粩缁嗭紝澶ц嚧灏卞彲浠ヤ簡銆?If you want a more beautiful, you can use select> modify> smooth command, the sampling radius is set to 5 to 10 pixels, so that a constituency is quite smooth. Of course, the sampling radius is also determined based on your image, you can even omit the process smooth and constituency (Figure 03a). If the image is the main target of regular shape, you can also use the Marquee tool with the options> Change command to select the target constituency. (Figure 03b)
Figure 03a
Figure 03b
4. In the copy of the channel, click on the channel bottom panel "of the constituencies and stored as channel" button. This action would maintain the current constituency of the state, will be saved as a constituency named "Alpha 1" of the new channel.鍙屽嚮閫氶亾鍚嶇О锛屽皢Alpha 1鏀逛负鈥渂ak鈥濓紝杩欎釜閫氶亾灏嗕綔涓哄師濮嬮?鍖虹殑澶囦唤锛屼互渚垮悗闈㈢殑姝ラ鍑洪敊鏃跺彲浠ュ強鏃舵仮澶嶃? Click the store button again constituency, generate new channel Alpha 1.鎸塁trl+D锛屽彇娑堥?鎷╃姸鎬併? (Figure 04)
Figure 04
Double-click the channel name can be renamed Office channel, if the access panel in the other office double-click will bring up Channel Options dialog box, this technique we will use later.
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銆??5.閫夋嫨Alpha 1浣滀负鎴戜滑褰撳墠鐨勫伐浣滈?閬撱? Here we have gradually expanded through the channel Gaussian blur to the white pixels in the region. In order to filter the image can be observed while dealing with changing circumstances, we need to make two channels simultaneously in a visual status. Ensure that the current working channel to Alpha 1, click the red copy of the channel before the channel visibility icon image into a pink color at this time, you can also observe Alpha 1 copy of the white mask and red channel images. If you then start the fuzzy filter, then because of the white pixels after the edge of the extended fuzzy and pale red channel image is difficult to distinguish, so the practical effect of Gaussian blur difficult to identify. We need to increase the channel color, so that filter preview closer to the actual situation. Double-click the red copy of the first channel, or click on the small triangular access panel on the right, from the drop-down menu, select "access options." In the Channel Options dialog box, the opacity of the color channel from the default of 50% to 25%, this opacity can be observed not only access the image, it will not cover the content of other channels. Then double-click the channel Alpha 1, the channel color opacity to 80%. (Figure 05a)
Figure 05a
銆??鍦ㄩ?閬揂lpha 1鍐咃紝鎵撳紑婊ら暅>妯＄硦>楂樻柉妯＄硦婊ら暅锛屼竴杈硅皟鑺傚崐寰勬粦鍧楋紝涓?竟瑙傚療鍥惧儚鐨勫彉鍖栵紝鏍规嵁浣犵殑鍥惧儚闇?璁剧疆妯＄硦鍗婂緞銆?In this case, I will set the radius of 76.5 pixels. (Figure 05b)
Figure 05b
6. Next, we make the Alpha 1 channel within the appropriate increase the brightness of the gray pixels. You can use the Levels command to complete, or secretly lazy like me, simply use the image> adjust the menu of the Auto Levels or Auto Contrast command to adjust the image. If you're fuzzy on the effect of the previous step are satisfied, then this step can be omitted.鐒跺悗锛屾寜Ctrl+I锛屽弽杞?閬撳唴鍥惧儚棰滆壊銆?(Figure 06)
Figure 06
For starters, channel black and white images often make them confusing. In fact, just remember that word on it - that is, the channel is that we have to create a white constituency. No matter how behind the operation, your first step is to make the channel to meet the requirements within the white area. Understand this principle, you can boot image you need to change direction. For example, in this case, our ultimate aim is to remove the image around the main target of some of the image, then the constituency is the main target of the natural surroundings of these areas, this is what we reversed the purpose of image color channels.
銆?.濡傛灉璇村墠闈㈢殑姝ラ閮藉湪鎰忔枡涔嬩腑鐨勮瘽锛岄偅涔堟垜甯屾湜浠ヤ笅鐨勬楠よ兘缁欎綘甯︽潵涓?簺鎯婂銆傛垜浠瀵归?閬揂lpha 1涓殑鍥惧儚浣滃嚭涓?簺鏀瑰彉銆?First of all, you want it saved as a separate document. To access the image save, you can use Ctrl + A command, and then Ctrl + C command will channel all the images copied to the clipboard; then use the new command to create a new document, the document will be the default size to the clipboard image size, model gray; then use Ctrl + V command will paste the image into the layer 1. However, I do not recommend this approach. The reason is simple - we have a more efficient way to save the image to achieve the purpose. Ensure that the current in the channel Alpha 1, click the right side of the triangular channel panel menu, choose "Copy Channel" command, copy the channel in the dialog box, click the document drop-down list, the list includes the current image with the same image pixel size and "New" command.閫夋嫨鏂板缓锛岄噸鏂板懡鍚嶆枃妗ｄ负鈥淢ask鈥濓紝鐐瑰嚮纭畾銆?Photoshop will create a new document with the same size as the current multi-channel images, but contains only one channel, channel and background layers of images and documents in the channel just Alpha 1 are identical. In this document, we would not think twice, you can image manipulation. (Figure 07a, 07b)
Figure 07a
Figure 07b
8. Documentation Mask, we want to change the document model from multi-channel bitmap. Select Image> Mode> Bitmap command. Maintain the output resolution of the default state, from the use of drop-down list, select a custom design, Photoshop then you can choose one of the existing pattern. In this case I chose the "metal art" to determine the application. In the Mask document you will see the image changes. This is what we need to image. (Figure 08a, 08b)
Figure 08a
Figure 08b
See here, you should be able to understand why we want to document the work of Alpha 1 channel image saved out why. Yes! Because bitmap mode (note the bit map mode! Not to be confused and bitmap images!) Can only use two colors black and white to represent the image pixels, so if want to RGB mode document object model saved as a bitmap , we must first convert to grayscale mode, but will lose all the color information. This is devastating to our image in terms of results. Therefore, we copy the methods of channel access information to be processed separately to extract further processing, so it will not affect our goal images.
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