Goals of Computer Vision. To make useful decisions based on sensed images To construct 3D structure from 2D images. Related Areas of Computer Vision. Computer Graphics Image Processing Pattern Recognition Artificial Intelligence Virtual Reality. Applications of Computer Vision.
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Goals of Computer Vision • To make useful decisions based on sensed images • To construct 3D structure from 2D images.
Related Areas of Computer Vision • Computer Graphics • Image Processing • Pattern Recognition • Artificial Intelligence • Virtual Reality
Applications of Computer Vision • Human Face Identification • Image Database Query • Inspecting Products • Examining the Inside of a Human Head (MRI) • Optic Character Recognition (OCR) • Analyze Satellite Image • Unmanned Autonomous Vehicle (UAV)
How do we see an object? Light Eye Object • Luminance Lightness Rods • Chrominance Color Cones Human eye is more sensitive to luminance than to chrominance
Types of Images • Analog Image • Digital Image • Binary Image • Gray-scale Image • Color (Multispectral) Image
Image Formats • Vector Image • Bitmap Image • RAW no header • RLE (Run-Length Encoding) • PGM,PPM,PNM (Portable Gray Map) • GIF (Graphics Interchange Format) no more than 256 colors • TIF (Tag Image File Format) Scanner • EPS (Encapsulated Postscript) Printer • JPEG (Joint Photographic Experts Group) Compression ratio • MPEG (Motion Picture Experts Group) Video