First look:
Description: source image.
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Description: 1. Open the image and press Ctrl + J to copy a layer;
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Description: 2. Image-adjustment-applied image. The channel is red and the hybrid mode is superimposed;
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Description: 3. Next, select the channel panel in blue;
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Description: The application image is displayed. The hybrid mode is stacked on the opening part. OK;
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Description: Select back to RGB and return to the layer panel. The picture is yellow;
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Description: 4. Then, the image is-adjusted-de-colored. The image is black and white with a high profile, and a new layer is created;
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Description: 5. Select the Rectangular Box selection tool in the toolbox,
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Description: select any selection area and double-click the selected area. The stroke area is black;
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Description: Double-click filling;
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Description: 50% gray;
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Description: Set the opacity of the layer panel to 40%;
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Description: complete:
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Description: it can also be as follows:
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