The Relationship Of Image Quality And Image Resolution

When talking about image quality, the resolution often comes up in the conversation. Resolution of course, refers to the size of an image measured in pixels (picture elements). When you multiply the image resolution width and height, it gives the total number of pixels in an image.

The quality means the image’s representation of details that are stored in the pixels, like the color, shadows, contrast, etc. I have heard some people explain that higher resolutions improve the quality of an image. That means that if you have a low resolution shot image, increasing its resolution would also increase its quality. Does that really make any improvements to the image’s quality?

This is the original image at actual resolution size of 1280 x 960 pixels.

I have a photo shot with a camera resolution of 1280 x 960 pixels. The original image is displayed along with a zoomed in view of 646%.

Original resolution image displayed on the left, zoomed in at the right.Click image for larger version.

When zoomed in, the details are still noticeable to show the scene. Although the image becomes more pixelated and blurry as the image is zoomed, the quality still…