How to cut pictures

Cutting is the process of removing the background part in the image and leaving the subject behind. Common cutout methods include: manual cutout: use image editing software to manually outline the edge of the subject. Automatic cutout: Use software to automatically identify the subject and separate it from the background. Use third-party cutout tools: use special tools to cut out images. Channel cutout: Use the channel of the image to segment and select channels with obvious differences from the subject color for operation.

How to cut pictures

Introduction

Cutting, also known as image segmentation, removes unnecessary background parts in the image and leaves the main part you want to retain. In image editing and processing, cutting is a very important technology.

method

There are many different ways to cut pictures, and the following are some of the most commonly used methods:

• Manually cut out the image: Use the selection tool in the image editing software to manually outline the edge of the subject, and then delete the background. This method requires some patience and skills, but can achieve accurate cutouts.
• Automatic cutout: Use the automatic cutout tool in the image editing software, the software will automatically detect the subject and separate it from the background. This method is faster and simple, but sometimes it may not produce accurate results.
• Take advantage of third-party cutout tools: Use specialized third-party cutout tools, which usually provide more powerful cutout features and finer control options.
• Channel cutout: Use the image channels (such as red, green, and blue channels) to divide them, and select channels with obvious differences from the subject color to operate. This method is more complicated, but can achieve fine cutouts.

Specific steps

Manually cutout:

1. Open the image editing software.
2. Select the right selection tool, such as the Lasso Tool or the Pen Tool.
3. Outline the selection along the edge of the main body.
4. Unselect the selection and delete the background.

Automatically cutout:

1. Open the image editing software.
2. Select the automatic cutout tool.
3. The software automatically selects the subject and separates it from the background.

Use third-party cutout tools:

1. Open the third-party cutout tool.
2. Import the image.
3. Use the functions in the tool to cut out the main body.

Channel cutout:

1. Open the image editing software.
2. Select the channel to be separated.
3. Use the appropriate selection tool or threshold tool to operate.
4. Unselect the selection and delete the background.

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