10+ Gimp トーンカーブ使い方 References

GIMPで写真の明るさ・色調整を初心者でも簡単な使い方 from createkidslab.com

Introduction

GIMP, the GNU Image Manipulation Program, is a popular open-source image editing software. It has been widely used by graphic designers, photographers, and artists for various projects. One of the most powerful tools in GIMP is the Tone Curve. In this article, we will explore how to use the GIMP Tone Curve to enhance your images.

What is Tone Curve?

Tone Curve is a tool that allows you to adjust the brightness, contrast, and color of an image. It works by manipulating the tones and colors of an image in a graph format. The Tone Curve is divided into three channels: Red, Green, and Blue. By adjusting the curves in these channels, you can create various effects and enhance the overall appearance of your image.

How to Access Tone Curve

To access the Tone Curve tool in GIMP, you can go to Colors > Curves. Alternatively, you can press Ctrl + M on your keyboard. Once you open the Tone Curve, you will see a graph with a diagonal line running through it. This line represents the original tonal values of the image.

Adjusting the Curve

To adjust the curve, you can click and drag the line up or down. Moving the line up will increase the brightness of the image, while moving it down will decrease the brightness. You can also adjust the curve by clicking on the curve and adding anchor points. These anchor points can be moved to adjust the tone and color of the image.

Using the Tone Curve for Contrast

One of the most common uses of Tone Curve is to adjust the contrast of an image. To increase the contrast, you can create an S-curve by dragging the shadows down and the highlights up. This will make the shadows darker and the highlights brighter, resulting in a more dramatic image.

Using the Tone Curve for Color Correction

Tone Curve can also be used for color correction. By adjusting the curves in the Red, Green, and Blue channels, you can correct any color casts in your image. For example, if your image has a blue color cast, you can move the curve in the Blue channel down to remove the blue tint.

Using the Tone Curve for Creativity

The Tone Curve is not just a tool for correction; it can also be used for creative purposes. By manipulating the curves, you can create various effects such as vintage, cross-processing, and high-key. You can also use the Tone Curve to create selective color effects by adjusting the curves in specific channels.

Conclusion

In conclusion, the Tone Curve is a powerful tool in GIMP that can help you enhance your images. Whether you're adjusting the contrast, correcting colors, or creating creative effects, the Tone Curve can help you achieve your desired results. With this guide, we hope you're able to master the Tone Curve and take your image editing skills to the next level in 2023!