PICTURE ENHANCEMENTS Photoshop/Cadmus
The HISTOGRAM is a graph indicating the number of pixels at each color intensity level.
Low key-underexposed, High key-overexposed
IMAGE>Adjustments:
LEVELS-used to compress or expand the image’s range of brightness values. The histogram shows the density of the pixels within a given tonal range.
1. Channel pull-down menu
2. Output levels bar displays a smooth blend from black to white to help judge where you are setting the output sliders
CURVES-Gives control over brightness, contrast, color
1. Channel pull down menu
2. Auto
3. Input-output-choose pixel in the image with eye dropper (shadow, midtones, highlights)
COLOR BALANCE-Changes the mood or creates special effects
1. Makes generalized color corrections
2. Tone balance radio buttons (s,m,h)
BRIGHTNESS/CONTRAST
HUE/SATURATION
Hue=color
Saturation=intensity of color
Click on colorize to colorize entire image, can create sepia tones
Edit pull down menu-provides simultaneous or individual editing of all primary and secondary colors
1. Choose color range to modify
2. Click on color in the image you want to change
3. Drag sliders
CHANNEL MIXER-creates special effects
Output channel pull down lets you choose a color channel into which colors from other channels willbe mixed.
Constant slider adjusts opacity. Drag it to the right to decrease opacity.
Monochrome-turns image into a monochromatic pic
THRESHOLD-creates B/W images by pushing all the pixels brighter than a certain level to white and all those below a certain level to black. (try also with find edges filter)
Set threshold
Histogram -displays a graph of pixel density at any level of brightness
POSTERIZE-reduces all the colors to a particular number.
Enter any level of brightness values from 0-255
VARIATIONS-lets you control brightness and color balance by clicking on preadjusted thumbnails Values for shadows, midtones, highlights
PHOTO FILTER-Color adjustments by simulating Kodak Wratten filters
SHADOW/HIGHLIGHT-adjust tone, color, etc.
MATCH COLOR-applies color from another picture
Corrections using- heal/patch, smudge, blur, sharpen, dodge, burn, saturate, desaturate
PHOTOSHOP/CADMUS
THE RED-EYE, COLOR REPLACEMENT TOOL
In the options bar, choose: a brush tip, once, discontiguous
Set tolerance (0-255, the higher the number, the broader the range of colors will be replaced
Choose antialias
Choose a foreground color to replace the unwanted color
Click the color you want to replace
Remove red eye
Recolor an article of clothing, hair, or other area