Representation and Still Pictures.


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Design and Still Pictures John H. Krantz Hanover School Layout Representation Sorts Creating with Paint Pictures Document Sorts Procuring Utilizing ImageJ Nuts and bolts Propelled Illustrations versus Pictures A few definitions: mine for clarity here: Illustrations Def: PC produced or drawn by you.
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Design and Still Images John H. Krantz Hanover College

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Outline Graphics Types Developing with Paint Images File Types Acquiring Using ImageJ Basics Advanced

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Graphics versus Pictures Some definitions: mine for clarity here: Graphics Def: PC produced or drawn by you. Picture: examined, caught, take photo or a realistic record not produced by you. Distinction: In a realistic, you can specifically control the components in light of the fact that you drew them – Sprites In a picture, you can control pixels however not straightforwardly the components. This has an awesome effect.

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Graphic Types Storing Formats: Bitmap (bmp, PCT, Tiff) – enormous, not useful for web Compressed Graphic Interchange Format (Gif) can vitalize 8 bits of shading – palette – no spatial pressure Can be some lawful issues – verify the generator legitimately can produce GIF’s Generally best pressure for straightforward illustrations Can create straightforward locales JPG Generally better for pictures and photographs Spatial not shading pressure, can twist picture spatially. Presently can energize too.

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Developing with ImageJ Free Very straightforward yet simple Access to pixels No against associating Downside: jaggies Upside: in complete control of representation Can store in Lots of Formats

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Try some Basic Graphics Objects Cutting and Pasting Transparency Adding Text Saving in Different Format Transparency (set in site page program). Perusing Different Formats

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Image Types Same as with design JPG is for the most part better as far as pressure proportion, littler records, for pictures For complex pictures, minor spatial mutilations will be covered up.

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Example JPG

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Acquiring Scanning Flatbed gives best quality. Utilize 35 MM film for pictures – best determination Scan at an abnormal state and test down later Any model appears to be great this day.

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Scanned Image

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Digital Cameras No misfortune in Scanning CCD 3.1 Megapixel at any rate if need photograph quality there are 5 megapixel Can utilize lower quality if need web. Simple to download Good in low light

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Low Light Digital Image

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Taking Photos Digitally Focusing: Automatic and Manual Regular center Macro – permits centering very close Spot Focus: center is dictated by point Shutter Speed Zoom: Do not utilize computerized zoom – if require more zoom, do it on PC later On my default is off aside from films

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Taking Pictures (cont.) White Balance, controls for our shading steadiness Effect of the Illuminant Flash: frequently I keep it off. Picture Size: I keep at standard (full pixel thickness, some JPG pressure). Harmony between picture quality and capacity to store on plate ~ 1 Meg/picture

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Use of Flash Flash No Flash

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Editing Images with ImageJ Free at: http://rsb.info.nih.gov/ij/index.html Overview Java program Interface a touch cumbersome on the grounds that not free (no alternate routes) Expandable by means of modules Covers all fundamental altering and numerous progressed

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Basic Editing Most Important Command: Revert Under the File Menu Ctrl-z is fix however stand out step. Recommend do “save as” or make duplicate first so don’t decimate unique Resize for web: under Image: Scale or Adjust: Size

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Basic Editing Selecting an area Clear outside Cropping Rotating and Flipping Adjusting Brightness and Contrast Thresholding

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An Example How symmetrical am I? The first picture

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Select the area I utilized the rectangular locale – simpler Centered on some component in center – discover the x esteem (I utilized a crevice as a part of my teeth)

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Cropped Flipped Horizontally Crop and Flip

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Cut and Paste Final Picture Reopen unique face Select all of half face Paste into other Adjust area

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Paste Control Copy Blend

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Paste Control Difference Transparent

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Converting Images Save concerning Image Types – use GIF or JPG Must include augmentation, it is not included consequently Always utilize save as to spare something besides a TIFF This is a full shading uncompressed picture

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Converting Images Converting Color Depth or to Grayscale picture 8-bit, 16-bit, 32-bit are grayscale 8-bit RGB and RGB are shading It is unrealistic to discretionarily change over pictures yet ImageJ gives table of conceivable transformations e.g. can just change over JPG to and 8bit grayscale.

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Adding to Images Setting Colors Edit: Options: Foreground Color Image: Colors Adding Text Set textual style in Edit: Options: Font Draws in chose shading

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Adding to Images Drawing a fundamental design article Draw width: Edit: Options: Line Width Select shape Put shape on picture Edit: Draw or ctrl-D Filled areas Same as above, however: line width not essential Use Edit: Fill or ctrl-F

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Filtering Images Under the Process menu Sharpen: more edges Smooth: dull points of interest

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Filtering Images Edges: discovers them – so kind of blueprint

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Filtering Images Gaussian: hazy spots Amount of obscure relies on the standard deviation (called span)

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Some Useful Plugins Some have restrains yet as improvements go, you will have the capacity to get new ones without these breaking points Can assemble your own Uses Java directions on website page RGB Recolor Inverter File opener: numerous

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