How to Remove Background in Gimp Fast and Smooth

Living Image
26 Sept 202206:10

TLDRIn this tutorial, the presenter demonstrates how to quickly and effectively remove the background from an image using GIMP. They introduce various selection tools available in GIMP, such as the rectangle, ellipse, and free select tools, and explain that while these can be used for straightforward images, they may not always yield the best results. The presenter then highlights the 'Select by Color Tool' as particularly useful for fast background removal, noting that it intelligently selects areas with minimal effort. After making a selection, the presenter shows how to invert the selection and clear it to remove the background. They also address common issues such as imperfections around hair and demonstrate how to use a layer mask with a soft brush to refine the edges for a more natural look. The video concludes with the presenter advising viewers on adjusting the brush hardness and flow for optimal results, ensuring a fast and smooth background removal process.

Takeaways

  • 🎨 **Use Selection Tools**: The video demonstrates using selection tools like rectangle, ellipse, and free select to remove the background of an image in GIMP.
  • 🔄 **Invert and Clear**: To remove the background, invert the selection and then clear it, which is a common technique in GIMP.
  • ⚙️ **Smart Selection Tool**: The 'Select by Edge' tool is highlighted as a smart tool that can intelligently select the area you want to keep.
  • 🖌️ **Layer Mask for Refinement**: If there are issues like hair strands, use a layer mask with a white full opacity to refine the selection.
  • 📏 **Adjust Brush Settings**: When using the paintbrush tool for refinement, adjust the hardness and flow to fine-tune the edges.
  • 🔍 **Zoom and Brush**: Zoom in on the image and use the brush to carefully clean up the edges, especially around complex areas like hair.
  • 🌈 **Change Background Color**: You can easily change the background to a color of your choice or keep it white.
  • 🏞️ **Transparent Background**: To create a transparent background, add an Alpha channel to the layer.
  • ⏱️ **Time Investment**: Spending more time on selection and refinement can yield better results, especially in complex areas.
  • 🛠️ **Alternative Tools**: Other tools like the foreground selection tool, select tool, and select by color can also be used for different scenarios.
  • 📈 **Efficiency vs. Quality**: While some tools like the 'Select by Edge' can be faster, they may require less precision, whereas others like the 'Paths' tool can be more time-consuming but offer better control.

Q & A

  • What is the main topic of this tutorial?

    -The main topic of this tutorial is demonstrating how to remove the background of an image quickly and smoothly using GIMP.

  • Which tools are mentioned for selecting the area to keep in an image?

    -The tools mentioned for selecting the area to keep are the rectangle select tool, ellipse select tool, and free select tool.

  • What is the process of removing the background after selecting the area to keep?

    -After selecting the area to keep, you invert the selection, then go to the edit menu and clear it to remove the background.

  • Why might the selection tools not always provide the best result?

    -The selection tools might not always provide the best result because they may not perfectly select complex areas like hair, and refining the selection can be time-consuming.

  • What is the 'Select by Color Tool' used for?

    -The 'Select by Color Tool' is used to select and remove the background by choosing a specific color in the image.

  • Which tool does the speaker recommend for fast background removal?

    -The speaker recommends the 'Select by Color Tool' for fast background removal as it can help select the subject faster than other tools.

  • How can you adjust the selection if you are not satisfied with it?

    -If you are not satisfied with the selection, you can use the backspace key to undo and adjust the selection until you are satisfied.

  • What is the process to change the background color of an image after removing the original background?

    -To change the background color, you can select the color you want in the color picker. If you want a transparent background, you need to go to the layer, right-click on the layer, and add an Alpha Channel.

  • How can you fix issues around the hair after removing the background?

    -You can fix issues around the hair by adding a layer mask which is white and full opacity, then using a paintbrush tool with low hardness and force to brush around the hair, recovering the natural look around the edges.

  • What is the importance of adjusting the hardness and force of the paintbrush tool?

    -Adjusting the hardness and force of the paintbrush tool is important to get the expected results when refining the edges of the selection, especially around complex areas like hair.

  • What does the speaker conclude about the effectiveness of the 'Select by Color Tool'?

    -The speaker concludes that the 'Select by Color Tool' is quite useful for removing the background quickly, but also emphasizes that spending more time on refining the selection can produce better results.

Outlines

00:00

🖼️ Removing Image Background with Selection Tools

This paragraph introduces the video's focus on demonstrating how to quickly remove the background of an image. The speaker has already imported an image and outlines the use of selection tools such as rectangle, ellipse, and free select to isolate the subject. The process involves inverting the selection and clearing it to remove the background. The paragraph also mentions alternative tools like the foreground selection tool, first select tool, and select by color tool. The presenter chooses the select tool for its efficiency in fast background removal but acknowledges that other tools can also yield good results, albeit more time-consuming. The paragraph concludes with the use of the select tool to intelligently select the area and the option to change the background color or make it transparent by adding an Alpha Channel.

05:03

🎨 Refining Edges and Hair with Layer Masks

The second paragraph delves into refining the edges, particularly around the hair, after the initial background removal. The presenter demonstrates how to use a layer mask to recover the natural look of the hair edges. It emphasizes the importance of adjusting the brush's hardness and flow to achieve the desired outcome. The paragraph concludes with a summary of the process for quickly removing an image's background using the select tool and an encouragement for viewers to spend more time on fine-tuning for better results. The tutorial ends with a thank you and a goodbye note to the viewers.

Mindmap

Keywords

💡Background Removal

Background removal is the process of eliminating the backdrop of an image to isolate the main subject. In the video, the author demonstrates how to use various tools in GIMP to remove the background efficiently. This is central to the video's theme as it allows for a cleaner presentation of the subject or for the image to be used in different contexts without the original background.

💡Selection Tools

Selection tools in GIMP are used to define a specific area of an image that the user wants to manipulate or keep intact. The video mentions rectangle, ellipse, and free select tools, which are crucial for background removal as they allow for precise selection of the subject to be kept while the background is cleared.

💡Invert Selection

Invert selection is a function that reverses the current selection in an image, selecting what was not previously selected and vice versa. In the context of the video, after selecting the subject, the author inverts the selection to target the background for removal.

💡Clear

The clear function in GIMP is used to delete the currently selected area of an image. After inverting the selection to target the background, the author uses the clear function to remove the background, leaving only the selected subject.

💡Smart Selection

Smart selection refers to a more intelligent and automated way of selecting areas in an image, often based on color, texture, or other visual cues. The video mentions using the 'Select by Color Tool' which is a smart selection tool that can help in quickly selecting and removing the background.

💡Layer Mask

A layer mask in GIMP is a non-destructive way to hide or show parts of a layer. The author uses a white layer mask after removing the background to fix any issues, particularly around the hair, allowing for a more natural look without affecting the original image.

💡Paint Brush Tool

The paint brush tool is used for applying color to specific areas of an image. In the video, the author uses this tool with a low hardness setting to refine the edges around the hair after applying a layer mask, which helps in blending the subject seamlessly with the new background.

💡Alpha Channel

An alpha channel in GIMP is an additional color channel that carries the transparency information for a layer. The author instructs viewers to add an Alpha Channel to the layer to create a transparent background instead of a solid color.

💡Foreground Selection Tool

The foreground selection tool in GIMP is used to select areas of the image that are similar to the currently selected foreground color. It is mentioned as an alternative tool for background removal, which can be useful for images with distinct color differences between the subject and the background.

💡Zooming Out

Zooming out is the action of reducing the magnification of an image to get a broader view. In the video, the author zooms out to better utilize the smart selection tool and to make more accurate selections for background removal.

💡Adjusting Hardness and Force

Hardness and force are settings on the paint brush tool that determine the edge softness and the intensity of the brush strokes, respectively. The author adjusts these settings to fine-tune the appearance of the hair edges after applying a layer mask, which is a critical step for a realistic and professional result.

Highlights

Demonstrates how to remove the background of an image quickly in GIMP

Uses selection tools like rectangle, ellipse, and free select to remove the background

Inverts the selection and clears it to remove the background

Selection tools may not always yield the best results

Smart select tool is highlighted as useful for fast background removal

Other tools like foreground selection, select tool, and select by color are mentioned

Pods tool can produce good results but is time-consuming

Smart select tool is used for its intelligent selection capabilities

Backspace can be used to adjust the selection if not satisfied

Pressing enter finalizes the selection

Changing the background color or making it transparent using the layer properties

Adding an Alpha Channel for a transparent background

Issues with hair details can be fixed using a layer mask and paintbrush tool

Adjusting the hardness and flow of the paintbrush for better edge recovery

Zooming in to carefully brush around hair for a natural look

Time investment can lead to better results in edge refinement

Tutorial concludes with a thank you and a goodbye