Adobe Photoshop. The standard in professional image editing and compositing for creative design. Launch GIMP on your PC and load the image in it using File Open. Navigate to the. Glimpse is based on the GNU Image Manipulation Program (GIMP) and built with the goal of experimenting with new ideas to expand the use of free software. A strong reason for the change in name from GIMP to Glimpse is to strip the software of all connotations that may be considered ableist and of its joke reference origin.
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Gimp is a cross-platform image editing software or tool available for Windows, Linux, macOS, and more operating systems. It is open-source and free software, so you can change its source code and distribute modified software. It does not care what you are if you are a graphic designer, video editor, photographer, illustrator, or scientist GIMP provided you sophisticated tools to get your job done.
High-Quality Photo Manipulation
To do high-quality photo manipulations, GIMP provides you all tools you needed. It works beyond your imagination.
Original Artwork Creation
It provides you flexibility and artistic power so that you can transform images into a truly unique and advance creation.
Graphic Design ElementsMaking
It is wisely used for producing or creating graphical icons, graphical design elements, and user interface components.
GIMP is an excellent open-source photo editing program
It has a list of tools for the user to edit their photos. It has plenty of brushes (all of them are customizable), filters, auto image-enhancement tools, and compatibility for a wide range of pre-installed plugins, as well as more available for download. It also allows you to add filters. Gimp was built in Python, making it so flexible to use. They built it very adaptable because most of the users want to build their own photo editor. With this, you can add or remove any wanted and unwanted tool. All of this within the user-interface.
How to Use GIMP
GIMP is a package that works a lot more than Adobe Photoshop. But the main difference is, it is 100% free!
Step1: Installing GIMP
Download the latest version of the GNU image manipulation program. Open the downloaded file and select your preferred language. Run the installer, if you want to install it in the default folder then click on install. To change any install setting select customize and wait until the installation process gets finished.
Step2: Starting GIMP
Now open the installed program. At the start, it will load some necessary data files. When it finishes loading, several windows will appear on your screen. To start the blank page, click the file menu at the center and open a new file. Then, create a new image window will open, will ask you what size you will prefer, you can enter it manually or select preformatted sizes from the dropdown. Click ok when you have done selecting an image.
Step3: Cropping Image
Open an image you wish to crop, right-click on the image, and select a tool to transform tools then crop. You can also adjust the crop box by pixel, use the tool option at the bottom of the toolbox. Once all the adjustments have been made, click the center of the image to crop the image. It will automatically delete all unnecessary elements.
Step4: Flipping and Rotating Image
For flipping, select the image, then in tool option you can check the checkbox option you can choose between flip-type (horizontal or verticle). To perform rotation right click on image select tool->transform tools-> rotate. Then select whether you desire to rotate 90° clockwise, counterclockwise, or 180°.
Step5: Mastering Other Basics
Change the size of the image: Right-click on the image. Select an image from the menu, then click on scale image. The Scale Image window will open, and you can alter the size of the image. Enter value for the height or width and the image will adjust accordingly.
Draw straight line: Pick a drawing tool, such as Pencil or Airbrush. Click on the image to create a starting point for your line. Hold the Shift key and pass your mouse to where you want your endpoint.
Add text to an image: Press 'T' on your keyboard and click where you want to insert text. This will open the text toolbox you can start typing immediately.
What is great about GIMP?
It has a wide range of features, in a lot of ways you can touch up your photos. Features like color adjustment tools, gradients, layer masks, filters, customizable brushes, Bezier curves plus an animation package. You can also use channel mixer to create professional-quality black and white photographs. The retouching features are very useful to edit photographs professionally.
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There is another special reason why GIMP is very popular. Because it provides an open-source code. It is available to everyone so, anyone can create their version of GIMP. You can create a better-advanced version of the GNU image manipulation program but yes! off-course it needs codding skills.
GIMP was initially developed for Linux but developers have expanded programs for use on Mac and Windows. For windows, you need Windows 7 or newer.
How does GIMP compare with other photo editors?
There are other different software you could compare GIMP to, including DxO Optics Pro, Corel PaintShop Pro, Capture One, and Adobe Photoshop. Although Adobe Photoshop is best like gold and GIMP deserves to compare it with the best. Adobe has a few different editors you can work with. There is not only the famous ‘Adobe Photoshop' but also Adobe Photoshop Elements, and Adobe Photoshop Lightroom.
The simple answer is if you want to go with the premium version then adobe is best for you. And if you are searching for free with the same quality then GIMP is the best option for you.
How would you summarize GNU Image Manipulation Program?
It is free to download and use. It has excellent functionality and a habitual user interface. From pre-installed plugins to color adjustment tools, retouching photos, and layer masks, you can do most of the things with this free version. If you don't like anything about it you can change it.
Is downloading GIMP safe?
It is a free open-source graphics editing program and is not inherently unsafe. If you found any warning by your system at the time of installation then you should uninstall it immediately and download it from another source.
It is a free open-source graphics editing program and is not inherently unsafe. If you found any warning by your system at the time of installation then you should uninstall it immediately and download it from another source.
Do professionals use Gimp?
Yes, professionals use GIMP as it provides the same quality features as adobe Photoshop does.
How to remove background in GIMP?
The work of this tool is the same as the magic wand tool of photoshop. There are some simple steps you need to follow:
- At first, you need to open your image.
- Go to the layer of the image, right-click on it and select Add Alpha channel. If you choose this channel after removing the background, you will get a transparent background.
- Then, select the Fuzzy Selection Tool and simply click on the background and hit delete.
How to make a gif in GIMP?
Creating a GIF with GIMP photo editing is a straightforward and quick process.
- Create a new file in your GNU Image Manipulation Program with selecting height and width.
- Open each frame of animation as a new layer. Hold shift while selecting multiple image frames. Click open when you finish selecting.
- Add frame rates in milliseconds to each layer of the image frame, by the default frame rate of 10 frames (100ms) per second.
How to install brushes in GIMP?
Installing brushes is as simple as finding your favourite Brushes online and paste them into brushes folder.
STEP1: Find the brush pack online and download it. To begin to find a brush pack like this Powder Explosion pack.
STEP2: locate the brushes folder and drag brush kit into Program files->GIMP->Share->Gimp->2.0->Brushes folder.
STEP3: Refresh your brushes in your GNU Image Manipulation program.
How to install fonts in gimp?
Installing new fonts to your GIMP photo editing tool is a straightforward process. Especially when you are using a windows machine:
- Find the font you want to install from the Web.
- Download and extract the font
- Double click on OTF file and install fonts.
- Find + Use your new fonts in GIMP.
What is a layer in GIMP?
Layers are features which are used in advance image editing software like GIMP. Layers are like a stack of images, one on top of the another.
You can open an image, and add another image on top of it, move it around, resize/transform it, erase parts of it, add layer masks, etc.
What is the best way to mastering GIMP?
To master GIMP, there are several MOOC sites which you can try. Some MOOC sites offer free courses, or some offer both free and paid internships. For Video Tutorials, you can try UDEMY and Alison.com.
Else, you can go through the official GNU Image Manipulation tutorials step by step to becoming master of GIMP photo editing tool.
Text and images Copyright (C) 2002 Eric R. Jeschke and may not be used without permission of the author.
Intention¶
In this tutorial I'll show you how to do smart sharpening of your images. Applying an unsharp mask to an entire image is not always appropriate. A really good example of this is when you have an image with a lot of high ISO noise or film grain; applying across-the-board sharpening will enhance the noise/grain and make it even more visible, especially in large prints. Often there will be large areas of the image that you know you don't want to sharpen (e.g. a blue sky—the blue channel tends to get a lot of noise).
This technique does two 'smart' things to avoid sharpening noise:
- sharpen only the luminosity channel, and
- create a channel mask that contains only the edges in the image. Then you can load the channel mask as a selection and apply the unsharp mask to just the edges.
Giving credit where credit is due: I did not come up with this method. I adapted it for GIMP from a Photoshop tutorial on the luminous-landscape.com photography web site (great web site BTW, I recommend it).
The Procedure¶
You may want to maximize your browser window to properly see this tutorial. I didn't want to shrink the image windows down like I usually do for the other tutorials since sharpening and noise are subtle and really show up better at these larger sizes.
Step 1¶
Here's the original image loaded into GIMP. It is noticeably soft, probably due to bad autofocus. It really shows up in prints. Sign out of office.
Note: be sure to do any other editing that you want to on the image first, especially downsampling or upsampling (resizing). Sharpening should always be the last step that you do.
Step 2¶
Duplicate the image by pressing Ctrl+D or right-click and select Image -> Duplicate. It might be wise to minimize the original image window now. You can open it later to compare to the result.
Right-click on the duplicate image and select Image -> Mode -> Decompose. In the decompose dialog box, select LAB (or HSV; see Note 1). Check the 'As layers' checkbox (see Note 2) and click OK.
This will create a new window with the image decomposed into the Luminosity ('brightness'), A and B channels as 3 layers. This will allow us to isolate and sharpen the luninosity channel which is a) the most important, and b) should be the cleanest in terms of noise.
At this point I usually turn off visibility of the A and B layers in the Layers dialog by clicking on the 'eyes'.
Note 1: if you happen to have an older version of the compose/decompose plug-in it may not have the LAB option. In that case use HSV (hue/saturation/value) instead. For any reference to the 'LAB' image or 'luminosity' channel below, substitute the 'HSV' image/'value' window. The LAB option was not in my initial version of GIMP (ver 1.2.1), but I got the newer version of the plug-in at the GIMP Plug-in Registry and compiled it myself. Don't worry if you don't have it; HSV works great too.
Note 2: in the older version of the decompose plug-in there is no 'As layers' checkbox; instead it will create the three channels as separate windows rather than three layers in one window. It really doesn't matter if you do it this way; the layers way just reduces the clutter on your screen. If you don't have the 'As layers' option, I suggest you minimize (but not close) the hue and saturation (or A and B) windows. We'll need them later, but you don't want to accidentally pick one of them in the next few steps.
Step 3¶
Go to the duplicate image. Right-click and select Filters -> Edge Detect -> Edge. In the Edge Detect dialog box, select a parameter value of the appropriate size for the edges in your image. You may need to experiment with this. For the example image I chose 6.
Now convert the edges image to grayscale by right clicking on it and selecting Image -> Mode -> Grayscale. This image is going to become our sharpening mask.
Note: in some tutorials they recommend converting to greyscale and then running the edge detection filter. The premise there (my guess) is that perhaps you don't want to find noise as edges. My thinking is that there may be an edge in color, but not tonality (e.g. transition between two light colors). Once you have converted to greyscale you may not be able to detect that edge any more. Besides, with a high enough edge detection parameter (here 6) you will avoid detecting random CCD noise as edges.
Step 4¶
The next step is to adjust the tonality a little so that areas that need sharpening are really white and anything that doesn't need sharpening at all is really black.
Open the Levels dialog ( Image -> Colors -> Levels). Bring the black point up and the white point down to filter out any insignificant edges. You may need to play around with the exact positions of the sliders. Click OK when the image outlines the significant edges in white and most everything else is black.
How much you'll need to tweak this really depends on the image. There wasn't a lot of spurious edges shown here, so a small adjustment was all that was necessary.
Step 5¶
Now apply a gaussian blur ( Filters -> Blur -> Gaussian Blur) to smooth out the edges a little. A radius of between 3 and 10 pixels (horizontal and vertical) should be enough. In the example I used 7.
Step 6¶
If you want to you can use Levels again to adjust the white and black points of the mask. I find this is usually a good idea after the blur.
In this example I pulled the white point slider down a bit.
Step 7¶
Open the Layers dialog. Select the LAB image (if HSV, value) in the drop down box at the top and then click on the Channels tab.
Click on the new channel button () at the bottom of the dialog to create a new channel. Name it 'Sharpening Mask'.
Step 8¶
Right-click in the blurred/edges image window and Select -> All. Right-click again and select Edit -> Copy. (Alternatively you can use keyboard shortcuts Ctrl+A and Ctrl+C in succession).
In the Layers dialog, make sure the Sharpening Mask channel is selected. Go back to the LAB (value) window and paste ( Edit -> Paste or Ctrl+V).
Select the Layers tab in the Layers dialog and click on the anchor button () to anchor the floating image.
Step 9¶
Click on the Channels tab in the Layers dialog. You should see a tiny version of the sharpening mask in the channel icon, indicating that you properly pasted the sharpening mask into the new channel. At this point you may wish to click on the eye icon to make the sharpening mask invisible.
Select the Sharpening Mask channel and click the 'Channel to Selection' button (). You should see 'marching ants'.
You can experiment with feathering the selection here if you want; I usually don't.
Step 10¶
Important: in the Layers dialog, click on the Layers tab and make sure the luminosity layer (if HSV, Background layer of Value window) is selected, and is the only one selected. We only want to sharpen the luminosity channel.
Apply an unsharp mask ( Filters -> Enhance -> Unsharp Mask). You may want to experiment with the settings here. You will find that you can use much higher amounts of sharpening (than if the entire image were selected) without significantly degrading the image.
In the example here I used Radius=1, Amount=2.0 (200% ?), Threshold=0.
Now get rid of the selection (right-click and Select -> None) and zoom in (= key) to examine the results. If you're not happy with the results, undo and try the sharpen step again with different parameters.
Step 11¶
It's time to reconstruct our original image from the LAB (HSV) components.
Right-click in the luminosity (value) window and select ( Image -> Mode -> Compose). In the Compose Options dialog, make sure that you have selected LAB (HSV) on the left and on the right that the Luminosity, A and B (Hue, Saturation and Value) components are matched up with their respective images.
Click OK; this should create a new composite image.
Final Step¶
Examine the resulting image, zooming in to examine edge detail.
It may help to unminimize the original image for comparison. If you feel your image needs more/less sharpening, then go back to the LAB window, undo twice and redo the unsharp mask step above.
When you are satisfied with the result you can close all the extraneous windows.
The images on the right are zoomed to 100% and cropped:
- Left image: original image
- Center image: smart-sharpened image
- Right image: sharpened with a typical unsharp mask filter (Radius=1, Amount=1.0 (100% ?), Threshold=0)
The smart sharpened image hardly shows any additional noise over the original image. Notice how the 'regular' unsharp masked version at half the sharpening amount has much more visible noise, especially in the shadows on the side of the face and in the door frame of the car.
Check out the shadow noise in the larger images on the smart sharpening shortcuts and variations page.
Tips¶
- If this seems like too long and complicated of a process, you might be interested in looking at some shortcuts and variations that are still better than a simple sharpening step.
Some very well-respected experts on image manipulation (e.g. Real World Photoshop, Blatner and Fraser—great book) suggest that mode changes in and out of RGB are not to be taken lightly. You can lose a suprising amount of information. For example, try the following experiment:
Open a new blank image.
- Using the gradient tool, create a gradient from black to white across it.
- Convert it to RGB ( Image -> Mode -> RGB).
- Look at it's histogram ( Image -> Colors -> Histogram).
- Convert it to LAB, by decomposing to LAB ( Image -> Mode -> Decompose), then do a compose on the LAB image back to RGB ( Image -> Mode -> Compose).
- Look at the new image's histogram.
Here is what you'll see if you compare them:
Left image: Gradient in RGBRight image: RGB -> LAB -> RGB
Left image: Histogram of the RGB image.Right image: Histogram of the RGB -> LAB -> RGB image.
Left image: Zoom 400% of the RGB image.Right image: Zoom 400% of the RGB -> LAB -> RGB image.
Look at all the information that has been lost in the converted image! There is obvious posterization in the zoomed close up.
You are now thinking to yourself, 'Good grief! Why on earth would he suggest changing modes to sharpen the luminosity channel if it has this kind of effect?'
Look at the histograms of the original image and the one smart sharpened on the luminosity channel:
Left image: Histogram, original imageRight image: Smart-sharpened on luminosity channel
You can see that in practice, changing modes does not always have this drastic of an effect.
What should you do? I suggest trying it and look at the histogram! This is the beauty of the digital darkroom. If your image is not that noisy anyway, then no need to change modes, as suggested in the shortcuts. However, this does point out a general piece of advice, which is to use the histogram regularly. It is a great tool to monitor what is happening to your image 'numerically' as you edit it.
Other Examples¶
First image: Original (pretty noisy)Left image: Standard unsharp maskRight image: Smart sharpened Android studio setup.
This example is kind of contrived. It doesn't really need much sharpening in the first place, and the smart-sharpened version looks over-sharpened. I include it here mainly because it is pretty noisy, so it really shows what happens when you sharpen noise, and how the smart sharpening technique doesn't affect the noise. For details on reducing CCD noise (using this image as an example), see this tutorial.
Left image: Edge sharpened (Amt=1.25)Right image: Standard unsharp mask (Amt=0.50)
Gimp Image Editor For Android Windows 7
Further Reading¶
Gimp Image Editor Free
- Follow-up article to the above, A Two-Pass Approach to Sharpening in Photoshop
- Fred Miranda: The Ultimate Sharpening Technique
Gimp Photo Editor Windows 10
The original tutorial used to appear on gimpguru.
