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Digital images Search, find, use…

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Presentation on theme: "Digital images Search, find, use…"— Presentation transcript:

1 Digital images Search, find, use…

2 Before we start What do we need? Hardware Software What do we need? Hardware Software

3 Hardware Computer + internet Digital camera Scanner Tablet USB-stick Computer + internet Digital camera Scanner Tablet USB-stick

4 Software MS Internet Explorer or FireFox Freeware MS Internet Explorer or FireFox Freeware

5 Lesson 1: technical information ►The weight: High compression = light = bad quality Small compression = heavy = good quality 1 Megabyte (MB) = 1000 Kilobyte (KB) 1 Gigabyte (GB) = 1000 Megabyte (MB) ►The weight: High compression = light = bad quality Small compression = heavy = good quality 1 Megabyte (MB) = 1000 Kilobyte (KB) 1 Gigabyte (GB) = 1000 Megabyte (MB)

6 Lesson 1: technical information ► The size, dimensions: Expressed in pixels Small amount of pixels = bad quality Big amount of pixels = good quality Paper = A4 = at the very least 800 x 600 pixels Paper = A5 = at the very least 400 x 300 pixels ► The size, dimensions: Expressed in pixels Small amount of pixels = bad quality Big amount of pixels = good quality Paper = A4 = at the very least 800 x 600 pixels Paper = A5 = at the very least 400 x 300 pixels

7 Lesson 1: technical information pixels

8 Lesson 1: technical information

9 Lesson 1: technical information

10 Lesson 1: technical information

11 Lesson 1: technical information

12 Lesson 1: technical information ► The image format: File extensions ► The image format: File extensions GIF JPG BMP PNG RAW TIFF

13 Lesson 1: technical information ► The image format: File extensions GIF –256 colors –Drawings –Not complex ► The image format: File extensions GIF –256 colors –Drawings –Not complex

14 Lesson 1: technical information ► The image format: File extensions JPG –Millions of colors –Photos –Shades of color ► The image format: File extensions JPG –Millions of colors –Photos –Shades of color

15 Lesson 1: technical information ► The image format: File extensions PNG –Millions of colors –Photos –Lossless compression ► The image format: File extensions PNG –Millions of colors –Photos –Lossless compression

16 Lesson 1: technical information ► The image format: File extensions BMP –Millions of colors –Very heavy, old… –24-bits true-color = NO compression ► The image format: File extensions BMP –Millions of colors –Very heavy, old… –24-bits true-color = NO compression

17 Lesson 1: technical information ► Where, how can we know? File format Size Weight

18 Lesson 1: technical information ► Where, how can we know? Properties Size

19 Lesson 2: discover ►Photos

20 Lesson 2: discover ►Photos ►Clipart ►Icons ►Animations ►Buttons ►Pictograms… ►Photos ►Clipart ►Icons ►Animations ►Buttons ►Pictograms…

21 Lesson 2: discover ►Images, drawings, clipart…

22 Lesson 2: discover ►Animations

23 Lesson 2: discover ►Icons

24 Lesson 2: discover ►Buttons ► Pictograms ►Buttons ► Pictograms

25 Lesson 3: search ►Search engine –Keywords –Wide approach –Advanced search ►Web portal –Already catagorized –Narrowed search ►Search engine –Keywords –Wide approach –Advanced search ►Web portal –Already catagorized –Narrowed search

26 Lesson 3: search ►Search engines Google Picsearch Altavista Alltheweb Mediamingle Faganfinder Imagery Yahoo Exalead

27 Lesson 3: search ►Web portal Photos Part 1 Freefoto Morguefile Corbis FreeImages ImageAfter FreeMediaGoo Designpacks FreePhotosBank FreePixel Woophy Cepolina

28 Lesson 3: search ►Web portal Photos Part 2 ImageBase Abstractinfluence PhotoRack UnProFound FreeDigitalPhotos PublicDomainPictures FotoGenika OpenPhoto NationsIllustrated Del.icio.us

29 Lesson 3: search ►Web portal Clipart PictureDictionary PictoArchief L.T. Clipart Library ClassroomClipart Kaboose ClipartStart DiscoveryEducation Schoolplaten OxfordPictures Pics4Learning Do2Learn

30 Lesson 3: search ►Web portal Icons ►Web portal Pictograms ►Web portal Icons ►Web portal Pictograms IconArchive FreeIconsWeb Schoolicons CoolArchive IconBazaar FreeIconsDownload PixelsGirls Sclera Picto’s

31 Lesson 3: search ►Web portal Animations AnimatedGifArchive AnimationWorld Artie AnimationLibrary LeeJoo FreeAnimations BestAnimations GifAnimations Gifs.NET

32 Lesson 4: software

33 Website


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