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How Do I Rasterize an Image in Photoshop?

Last updated on September 24, 2022 @ 12:29 am

Raster images are made up of pixels, which are tiny squares of color. When you enlarge a raster image, it begins to look blurry because the pixels become visible.

Photoshop has a built-in Image Size command that can resize images. However, this command doesn’t have any options for resampling, which is the process of changing the number of pixels in an image. To resize an image and resample it in Photoshop, you’ll need to use the Image Size dialog box.

Here’s how to do it:

1. Open your image in Photoshop.
2. Go to Image > Image Size.
3. In the Image Size dialog box, make sure the Resample checkbox is selected.

There are different resampling algorithms, or methods, that Photoshop can use to calculate the new pixel values. The three most common resampling methods are:

PRO TIP: When rasterizing an image, Photoshop automatically creates a new layer called “Background.” This layer is locked by default and cannot be edited. To edit the image, you must unlock the layer or create a new layer.

– Bilinear: A basic algorithm that samples the four nearest pixels and uses a weighted average to determine the pixel values of the resampled image.

– Bicubic Smoother: A more sophisticated algorithm that does a better job of preserving sharpness and details than Bilinear does. This method is best for enlarging images.

– Bicubic Sharper: A more sophisticated algorithm that does a better job of preserving sharpness and details than Bilinear does. This method is best for reducing the size of an image.

The quality of a rasterized image depends on its resolution, or PPI (pixels per inch). The higher the resolution, the better the quality. To change an image’s resolution in Photoshop, follow these steps:

1.

2. Go to Image > Image Size.

3.Image Size dialog box, make sure the Resample checkbox is deselected.

Changing an image’s resolution doesn’t affect its file size. However, if you increase an image’s resolution, you’ll need more disk space to store the file. And if you reduce an image’s resolution, you may lose some detail and sharpness.

How Do I Rasterize an Image in Photoshop? To rasterize an image in Photoshop, go to Image > Image Size and make sure that Resample is checked.

There are different resampling algorithms that Photoshop can use to calculate new pixel values – Bilinear, Bicubic Smoother, and Bicubic Sharper. The quality of a rasterized image depends on its resolution (PPI).

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Madison Geldart

Madison Geldart

Cloud infrastructure engineer and tech mess solver.