When you first open the image in Photoshop it will be on a layer named Background.
当你第一次再PS里打开这张图片，它应该在名为“背景”的图层里。
An efficient approach for segmenting and detecting small moving target in infrared image sequences against complex cloud layer background is given.
提出了一种对复杂云层背景下红外图像序列中弱小运动目标分割和检测的方法。
Now we can add a light source (I chose from the top right) for this image so later on we can have some dynamic light effect. To do this, go back to the background layer and duplicate it once more.
现在我们来为图片增加光源(我选的是右上方)，这样我们会有一些动感光线效果。
Now we can add a light source (I chose from the top right) for this image so later on we can have some dynamic light effect. To do this, go back to the background layer and duplicate it once more.
现在我们来为图片增加光源(我选的是右上方)，这样我们会有一些动感光线效果。
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