All of us wonder the logic behind the instant print of any digital photograph. The process involves a series of individual images that are captured instantly within nanoseconds and overlapped on each other producing the final image. This series of activity is collectively called work flow of digital imaging. The digital photography process does not end there. There are post photography workshop activities involved. The series of activities include saving the data from the digital camera to the hard disk, giving a quick revision for image quality, storing the photographs in to folders, making minor or major changes in the images using softwares, and publishing. The combined set of these activities is collectively called “editing digital photographs.”
There are many programs available to manipulate a digital image. They can be grouped as vector, raster or 3D graphic editors. These are the initial tools that any user uses to edit any digital photograph. These programs can also be used to make images from stage one. Certain captured images may require some enhancement procedures to give a qualifying effect to the photograph. There are certain images that may require complete transformation. There are creation photo editors, which provide the option of aligning an audience that have turned away from the camera, to be changed to the effect of having facing the camera!
The first and foremost step is any editing process is selection of the image composite to be modifies. The area of the image that requires modification is skillfully outlined using a casual digital sketching process. The digital sketching can be achieved via mouse or other specific tools available for this purpose like lasso, marquee, joy stick or other tools. Masking, edge detection, composting and channel editing are new advances in image selection.
Layers are the cornerstones behind the optical illusion of any image. The multiple layers pasted over each other is skillfully manipulated by the digital work flow mechanism. The manipulation is such that the onlooker senses the final image as a single stamp image rather than an over lap of multiple layers of images. Such a patched arrangement of the layers becomes very useful in preserving the original identity of the layers. During the process of photo editing a 3D image a particular layer can be edited without affecting the overlying and underlying areas. Thus the original layer of the image is preserved. This nondestructive editing methodology helps retaining the originality of any edited image rather than resaving it at every stage or editing.
Scaling refers to the size modeling of any picture. Size modeling is nothing but the maximization and minimization of any picture. The maximization and minimization of any image has nothing to interfere with the resolution of the primary or original picture. The scaling process works on the foundation principles of pixel arithmetic. The pixel arithmetic is nothing but a series of calculation that remobilizes the pixel value as subsidized by the scaling process. The pixel value reduces of the resultant image is small and the pixel value increases of the resultant image is maximized.
There are many undesired image composite retention is any picture that can be harvested off the snap by the cropping technique. Similar to most digital editing techniques cropping also does not spoil the image resolution. It is just used to weed out the a certain selection of image layer from the graphic. Selection of a particular portion of the image and modifying the pixel ranges is also a kind of cropping. Cutting and masking procedures also constitute cropping mechanism.
Digital editing can be done by thousands of methods. All the methods cannot be explained in a single article. This article series will speak of other techniques in the oncoming follow up tutorials.
