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Digital Images
    Kiran Budhrani
    kiran.enderun@gmail.com
Explore a beautiful media element
Text Images Audio Video
 Access
            Select   Use
(capture)
1. WEB
Access Images   2. CAMERA
                3. SCANNER
Use

For Screen         For Print
Selection
4 Factors :

    CONTENT       What is it ?

  RESOLUTION        How big ?

                    How clear ?
 ...
PIXELS WIDE




PIXELS
  TALL
Photos vs. Illustrations

 Photos
  Real, Evidence


 Illustrations   / Graphics
  Representation, Not real

  Illus ...
Graphic
Illustration
2D Graphic   3D Graphic
3D Graphic
Logos
File Formats
  .JPEG   (joint photographic experts group)
  Photos

  .PNG    (portable network graphic)
  High qualit...
Common Trends



Image Resolution   Image Quality   File Size
Selection
4 Factors :

    CONTENT       Photo / Illustration

  RESOLUTION      Image   Size

    QUALITY       Clarit...
Selection and Use

             FOR SCREEN      FOR PRINT

Content      Appropriate     Appropriate

Resolution   Low-High...
The more megapixels a camera
  has, the better the pictures.




12.1 MEGA PIXELS   5 MEGA PIXELS
The more megapixels a camera
  has, the better the pictures.



      big fat lie
12.1 MEGA PIXELS   5 MEGA PIXELS
Understanding Megapixels

3	
  Megapixel	
  Camera	
  has	
  3	
  Million	
  
        %ny	
  colored	
  dots	
  in	
  a	
 ...
 High MP is only useful if you will usually:
 1. Crop photos
 2. Print photos that are blown-up

 4MP camera
 – good eno...
  If
    there are more pixels in an inch..
  – higher quality, higher resolution
Compare Cropping Details

10 MP camera   5 MP camera
10 MP   7”




5”
10 MP   7”




5”
10 MP   7”




5”
10 MP   7”




5”
5 MP   7”




5”
5 MP   7”




5”
5 MP   7”




5”
Digital Images
Digital Images
Digital Images
Digital Images
Digital Images
Digital Images
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Digital Images

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Transcript of "Digital Images"

  1. 1. Digital Images Kiran Budhrani kiran.enderun@gmail.com
  2. 2. Explore a beautiful media element
  3. 3. Text Images Audio Video Access Select Use (capture)
  4. 4. 1. WEB Access Images 2. CAMERA 3. SCANNER
  5. 5. Use For Screen For Print
  6. 6. Selection 4 Factors : CONTENT  What is it ? RESOLUTION   How big ?   How clear ? QUALITY How bright / dark ? FILE FORMAT  What type of file ?
  7. 7. PIXELS WIDE PIXELS TALL
  8. 8. Photos vs. Illustrations  Photos  Real, Evidence  Illustrations / Graphics  Representation, Not real  Illus – typically hand-drawn  Graphics – typically created with the computer
  9. 9. Graphic
  10. 10. Illustration
  11. 11. 2D Graphic 3D Graphic
  12. 12. 3D Graphic
  13. 13. Logos
  14. 14. File Formats   .JPEG (joint photographic experts group)  Photos   .PNG (portable network graphic)  High quality web graphics or photos  Supports transparency   .GIF (graphics interchange format)  Low quality web graphics  Supports transparency  Logos
  15. 15. Common Trends Image Resolution Image Quality File Size
  16. 16. Selection 4 Factors : CONTENT  Photo / Illustration RESOLUTION   Image Size QUALITY   Clarity, Brightness FILE FORMAT  File Extension
  17. 17. Selection and Use FOR SCREEN FOR PRINT Content Appropriate Appropriate Resolution Low-High Must be High (file size) (file size) Quality Must be Good Must be Good Format JPG, PNG, GIF JPG, PNG
  18. 18. The more megapixels a camera has, the better the pictures. 12.1 MEGA PIXELS 5 MEGA PIXELS
  19. 19. The more megapixels a camera has, the better the pictures. big fat lie 12.1 MEGA PIXELS 5 MEGA PIXELS
  20. 20. Understanding Megapixels 3  Megapixel  Camera  has  3  Million   %ny  colored  dots  in  a  photo   2,048 (horizontal) x 1,536 (vertical) pixels 3,145,728 pixels
  21. 21.  High MP is only useful if you will usually: 1. Crop photos 2. Print photos that are blown-up  4MP camera – good enough for screen view
  22. 22.   If there are more pixels in an inch.. – higher quality, higher resolution
  23. 23. Compare Cropping Details 10 MP camera 5 MP camera
  24. 24. 10 MP 7” 5”
  25. 25. 10 MP 7” 5”
  26. 26. 10 MP 7” 5”
  27. 27. 10 MP 7” 5”
  28. 28. 5 MP 7” 5”
  29. 29. 5 MP 7” 5”
  30. 30. 5 MP 7” 5”
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