4 Image Processing And Analysis

Multimedia Computing · Unit 4

Image Processing and Analysis

Exam-focused notes for Image Processing and Analysis (Multimedia Computing, BIT356): what the TU syllabus asks and how it has actually been tested, with 4 solved past questions from this unit.

What this unit covers

  • Image formats and types
  • Image storage methods
  • Image analysis techniques
  • Dithering process
  • Image recognition steps
  • Animation in images
  • Computer based animation steps
  • Timeline based animation
  • Frame based animation

Dithering process

208110 marks

What is dithering? How image analysis is done? Describe the steps of image recognition.[10]

Dithering is a technique used in image processing to reduce the number of colors in an image while maintaining the visual quality and appearance of the original image. Key characteristics: - It is applied when converting images from higher color depth to lo...

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Computer based animation steps

20815 marks

Describe the steps of computer based animation. [5]

Computer-based animation involves a systematic process to create moving images. The main steps are: - Define the animation concept, story, and objectives - Create storyboards showing key scenes and sequences - Determine the style, tone, and visual direction...

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Timeline based animation

20815 marks

Differentiate between Timeline and frame based animation. [5]

Definition: Timeline-based animation uses a continuous timeline where animations are defined by keyframes placed at specific points in time. The animation progresses smoothly along this timeline. Key Characteristics: - Animations are controlled by time valu...

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Image formats and types

010 marks

Describe image formats. How they are stored? How animation in done?[10]

Image formats are standardized ways of encoding and storing visual data. Common formats include: Raster (Bitmap) Formats: - BMP (Bitmap): Uncompressed format storing pixel data directly; large file sizes - JPEG (Joint Photographic Experts Group): Lossy comp...

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