Editing Tutorial

1. Manipulating Digital Image
Manipulating Digital Image
Visual Technology
Production

2. IMAGE TRANSFORMATION
hue and saturation
modifying image color
modifying image lighting

3. Image transformation
• Refers to the process of revising the structure of an object
from various aspects such as perspective , size, angle of
view and so on .
• Through this process , the uniformity of the images can be
generated either from the size , view , lighting and so on in
order to form a more perfect image
• This process also allows an object or image is placed at an
angle or location needed in a more realistic situation and
meet the requirements
• There are many type of image transformation like scale,
rotate, skew, distort, perspective, warp and flip.

4. Image transformation
• Scale
Before
After

5. Image transformation
• Scale
Before
After

6. Image transformation
• Rotate
Before
After

7. Image transformation
• Rotate
Before
After

8. Image transformation
• Skew
Before
After

9. Image transformation
• Skew
Before
After

10. Image transformation
• Distort
Before
After

11. Image transformation
• Distort
Before
After

12. Image transformation
• Perspective
Before
After

13. Image transformation
• Perspective
Before
After

14. Image transformation
• Warp
Before
After

15. Image transformation
• Warp
Before
After

16. Image transformation
• Crop
Before
After

17. Image transformation
• Flip Horizontal
Before
After

18. Image transformation
• Flip Vertical
Before
After

20. To change/
adjust/replace certain
colors in the image

21. 3 simple ways to change
the color of an object in
Photoshop:
Using the
Color
Replacement
Tool
Using the
Selective
Color
Using the
Replace
Color

22. Using the
Color
Replacement
Tool

23. BACK

24. Using the
Selective
Color

25. Using the
Selective
Color
From this drop down
menu, you can select the
color that you want to
make a changes
Use the sliders below
to change the Yellows in
your photograph.
When you change the
sliders, you can see the
changes affecting your
final photograph

26. Using the
Selective
Color
BACK

27. Using the
Replace
Color

28. Eyedropper tool
(to select the image
you want to make
change the color
This the original
color,
Use the sliders to
change the hue, sat.
and lightness color in
your selected image
To change
the color,
click here
Using the
Replace
Color

31. HUE
The colour
in the image
SATURATION
The intensity
or richness
of that color

32. To adjust colors in
an image that
appears slightly out
of phase or skewed
toward a color To create stylistic
changes by
dramatically
changing colors in
an object

33. Example using
hue/saturation in
Photoshop…

34. Example using
hue/saturation in
Photoshop…

36. On-image
adjustment tool
Hue slider
Saturation slider
Lightness slider
Eyedropper tool Colorize
Color bar

38. So… let practice guys.. Please
open your Adobe Photoshop on
your PC.. we do some hands on
activity..

39. MODIFYING IMAGE
LIGHTING

40. Why we want to modify lighting?

41. To perceive certain period of a day
To trick people
To enhance the picture

44. AFTERBEFORE

45. Add lighting
• Using layer style> blend mode>screen

46. underexposed

47. What tool in photoshop we will use?
Image > adjustment>
 shadows/highlight
 curves
 level
Image > adjustment>
 shadows/highlight
 curves
 level

48. Photoshop shadows/highlight tool
to fix a backlit photo - the light source is
behind the object not in front of

49. Shadows/highlight

50. AfterBefore

51. Curves
Using the Curves tool in Photoshop gives you
more control in editing photographs such as the
brightness, contrast and tones

52. Curves tool before adjustment:
Curves tool after adjustment:

53. How to brighten or darken an image in
Photoshop using the Curves Dialogue Box

54. BEFORE AFTER

55. BEFORE
AFTER

56. References
Jamalludin Harun dan Zaidatun Tasir (2003).
Adobe Photoshop 7. Venton Publishing (M)
Sdn Bhd. Kuala Lumpur..