Image processing may be defined as any form of signal processing for which the input is an image, such as photographs or frames of video; the output of which can be either an image or a set of characteristics or parameters related to the image.

Image editing includes the processes of altering images; they may be digital photographs, traditional analog photographs, or illustrations. Traditional analog image editing is known as photo retouching, using tools such as an airbrush to modify photographs, or editing illustrations with any traditional art medium.

There are several good free digital photo editing software programs available for download that can fit the bill for most common photo editing needs. All you have to do is perform a search for "free photo editing software" and you should have plenty of results to choose from. Image distortion is a deviation from rectilinear projection, a projection in which straight lines in a scene remain straight in an image. It is a form of optical aberration.

PhotoShop is one of the most widely used image manipulation software in the world today. Some tips for better pictures

1. Retouching via PhotoShop effects tutorials helps people get rid of red eye, fix skewed angles and basically make the picture presentable. This is done through the various tools offered by Photo Shop.
2. Lighting effects - a change in the lighting can dramatically alter the mood of a photograph.
3. Photography - many photographers today resort to using special filters and customizing their cameras to get different effects. They take pictures in ultra-red, monochrome, and other styles to give people a whole new look.

This Image retouching / photo editing services could be very useful for:

• Photographers
• Studios
• Art Galleries
• Magazine Editors
• Real Estate Agents
• Online Shopping Stores

While having a good knowledge of Photo/Image editing jobs is very important to take optimum use of these image editing softwares. Here, Cignus Web comes into light with its Photo editing, Image retouching, Image processing and Image editing services. Cignus Web is having good pool of experience photo editors / graphic designers to offer quality services worldwide.