Cropping the photo
In most of the photos, even if they are well composed, you will find that there are some portions in it which you do not need. Hence the next step in Photoshop image editing is to remove the unwanted area of the photo, which can be easily done by using the crop tool. You have to press the control key to select the crop tool, and then create a box inside your photo. As you notice a tick-box in the corners of your crop-box, you can move and resize your area to select the precise area you wish to crop.
Removing Sensor Dust
Another element to enhance the quality of your photo is to remove the spots of dust which many times sticks to the lens of your camera. The sensor dust and other crud on your camera’s sensor are most visible on images taken at small apertures or those taken on plain areas such as the sky. Hence you should use the Healing Brush to get rid of the dust spots on the photo.
The next important factor in Photoshop image editing is to boost the contrast of the image to make it more lively. This can be easily done by brightening the highlights and darkening the shadows of the image. You have to drag the white arrow (right hand) in the levels window to the left for lightening, and the black arrow (left hand) to the right for darkening.
Fine tuning the colors
In some images, you may need to fine tune the colors of your picture, as garish, noisy colors often look awful. Hence you can boost the saturation levels of your image. Although adding lots of saturation makes the picture look more colorful, but you should try to keep the changes to the colors minimal as more saturation may make the image look unnatural.
Sharpening up the image
Finally you should sharpen up the image to make it more clear and precise. Almost all digital images can be sharpened up, but the exact settings will depend on the final image has to be viewed on screen or has to be seen in a printed format. This has to be done very discreetly to avoid unwanted digital noise.