computer science thesis in digital image processing
TRANSCRIPT
Computer Science Thesis in
DIGITAL IMAGE PROCESSINGby SiliconMentor
www.siliconmentor.comPhone: 0120-4293554, +91-7827766551
Track to Talk …..
Introduction Image Processing Digital Image Processing Examples ConclusionResearch Areas in Image
Processing
Introduction …
What Actually an IMAGE is ??• An image is the two dimensional (2-D) picture that gives appearance
to a subject usually a physical object or a person.
Standard Image of ‘Einstein’
The size of the row (M) and column (N) gives the size (or resolution) of M*N image. A small block ( 8 * 8 ) of the image is indicated at the right corner in the form of matrix. Each element in the matrix represents the dots of the image. Each dot represents the pixel value at that position.
Digital Image Processing…
• Digital Image processing is processing of images using mathematical operations.
• It is a subfield of signals and systems but focus particularly on images.• For which the input is an image, such as a photograph or video frame and the
output of image processing may be either an image or a set of characteristics or parameters related to the image ,using efficient algorithms.
• In digital Image processing operation typically defines a new image g in terms of an existing image f.
• We can transform either the range of f. Or the domain of f:
• The most common example is Adobe Photoshop. It is one of the widely used application for processing digital images.
Digital Image Processing …
• Digitization implies that a digital image is an approximation of a real scene
Examples: Image Enhancement
Examples: Artistic Effects Artistic effects are used to make images more visually appealing, to
add special effects and to make composite images
Examples: MedicineTake slice from MRI scan of canine heart, and find boundaries between types of tissue.
◦ Image with gray levels representing tissue density◦ Use a suitable filter to highlight edges
Original MRI Image of a Dog Heart Edge Detection Image
Examples: GIS Geographic Information Systems
◦ Digital image processing techniques are used extensively to manipulate satellite imagery
◦ Terrain classification◦ Meteorology
Examples: Law EnforcementImage processing techniques are used extensively by law enforcers
◦ Number plate recognition for speed cameras/automated toll systems
◦ Fingerprint recognition◦ Enhancement of CCTV images
Examples: HCITry to make human computer interfaces more natural
◦ Face recognition◦ Gesture recognition
Conclusion
Image Acquisition
Image Restoration
Morphological Processing
Segmentation
Representation &
Description
Image Enhancemen
t
Object Recognition
Problem DomainColour Image
ProcessingImage
Compression
Digital image processing deals with developing a digital system that performs operations on an digital image.
Research Areas in Image Processing Image Enhancement Image Defogging Image Registration Image Fusion Image Compression/Decompression Image Classification Image Steganography Image Watermarking Image Colorization
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