Overall Color, Contrast and Sharpness Adjustments
Analyzing the Image: The first thing to do when determining how to process an image is to develop
a strategy based on the intended use. When you know what you plan to do with the image the next
step is to look at the image and determine how to get the image ready for that intended use.
COLOR CORRECTION WITH PHOTOSHOP
This tutorial will take you through these steps using the example
photograph, “Barn and Pond,” Figure .The Evaluation of this image
indicates that the image is:
1- De-saturated (Lacks Purity of Color)
2- Flat (Lacks Contrast)
3- Slightly Magenta (Has a Color Cast)
The next tutorials using the Photoshop Color Correction Tools will
correct each of these flaws.
Step 1. MAKE A COPY OF THE ORIGINAL FILE
Always make a copy of your original file before making changes.
Select File>Save As and rename your file. Save it as a PSD.
Step 2. CREATE ADJUSTMENT LAYER
Making changes on an Adjustment Layer method does not change the
data of the file. It preserves the original data and the corrections are
done in layers and can be undone easily.
When making changes, it is possible to evaluate different methods by
toggling back and forth between Adjustment Layers. This is done by
creating a new Adjustment Layer for each change. The down side is
that this method adds data to the file which increases the file size and
To Make and Adjustment Layer:
Pull Down Layer Menu, Select New Adjustment Layer
For this Exercise Choose Levels
NOTE: Be sure the Preview Button is Selected in the Dialogue Box so
you can see the changes.
Creating a new Adjustment Layer.
Step 3. LEVELS AUTO ADJUSTMENT
To the Right is the dialogue box for Levels Adjustments. It contains a
Histogram, which indicates the amount of data related to RGB and
Shadows and High