Image editor can adjust the size, commonly known as image scaling process of the image to make it bigger, or smaller. High-resolution camera images can produce, which are often on the Internet to reduce the use of an area of a large number of pictures. Image editing program uses a mathematical process is called re-sampling to calculate the new distance is greater than or less than the original pixel values of a smaller pixel value. Internet Use image is kept small, such as 640 × 480 pixels which would equal to 0.3 megapixels.
Digital editor is used to crop the image. Choose an image planted to create an ideal rectangular section provides a new image for itself. Unwanted part of the image will be discarded. Image cropping does not reduce the resolution in the region. The best results, get the original image with high resolution. A major reason is the growing increase in the new image composition.
Related knowledge of photo editing software:
Selecting and merging of images