Digital cameras have surged forward in capability in the past five years. Early digital cameras may have taken smaller photos at one MB or less; current models have the capability of taking photos that are many times that size. It is not possible to increase the size of the file in the camera; however, it is possible to use an external graphics processing program such as Photoshop or GIMP to create a larger image from a small camera photo using their interpolation features.
Instructions
1. Open the image in your graphics processing software. This process will vary depending on your software, but is generally found under the "File" menu by selecting the "Open" option and navigating to the desired file.
2. Perform any adjustments, such as color correction or contrast adjustments. These will be mimicked in the larger file, so it is best to perform these operations on the file at its native size.
3. Open the image interpolation feature. The location of this feature will vary depending upon which software package you are using.
4. Select an interpolation algorithm. This feature determines how the program will fill in the missing information in the image when the image size is increased. Most programs will offer a number of algorithm selections, such as bicubic, smooth bicubic, and nearest neighbor. You may need to try more than one algorithm to see which will work best with your data.
5. Enter the desired dimensions into the image resize palette, then click "OK." This will apply your chosen algorithm to the image and create a larger version of the photo.
6. Apply any post-processing features, such as sharpening or other filters. These should be applied to the resized image to retain the most quality and clarity. Save your image file to complete the process.
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