1. Select the picture to be watermarked, right-click and select "Drawing" as the opening method. Open the picture to be watermarked in the drawing tool, select the color selector in the toolbar, and click the left mouse button to select the color near the watermark. After selecting the color, the color will automatically jump to the brush tool, and the color will become the color just selected.

According to the size of the watermark, choose the size of the brush, and then smear it directly on the watermark until it is out of sight.

2. Open ps software, open the picture to be watermarked in the menu bar file, select the rectangle box selection tool in the left toolbar, select the watermark to be removed, select Fill in the menu bar editor, select the content identifier in the filled content, and click OK to remove the watermark.

Press Ctrl+D to cancel the selection and complete the operation.

Historical development of photos:

The development of chemistry and optics for more than several centuries and the invention of pinhole camera provided a good opportunity for the appearance of the first photo in the world. 1826, the French scientist Joseph nice phor EniéPCE took the world's first photo in his home, named "The Scenery Outside the Window of Legolas".

This photo is the courtyard and outbuilding outside the window from the upstairs of his house. The shooting method is formed by exposure on the asphalt metal plate in the pinhole camera, and the photographic paper is exposed under the photographic negative, and then developed and fixed into a picture of a person or thing.

In the information age, many photos are preserved in digital form, and digital cameras are developing at a high speed, while traditional cameras using film are gradually decreasing. First of all, from the content and theme, what is in the picture, what is the meaning, and what is shown from that angle, which reflects the author's thoughts and the society at that time.

Then, from the grasp of the use of light and shadow in the photo itself, it explains his light and shade, contrast, foil, the position of the theme in the picture, the distance and so on. Finally, explain whether his photography technique is accurate and clear, whether it highlights the theme and main scene, and whether it has been processed by computer.