APPLICATIONS OF DIGITAL IMAGE PROCESSING IMAGE SHARPENING AND

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APPLICATIONS OF DIGITAL IMAGE PROCESSING- IMAGE SHARPENING AND RESTORATION M MANOJ 18 -PCS-001

APPLICATIONS OF DIGITAL IMAGE PROCESSING- IMAGE SHARPENING AND RESTORATION M MANOJ 18 -PCS-001

What is Image Sharpening and Restoration?

What is Image Sharpening and Restoration?

�Image sharpening and restoration refers here to process images that have been captured from

�Image sharpening and restoration refers here to process images that have been captured from the camera to make them a better image or to manipulate those images in way to achieve desired result. It refers to do what Photoshop usually does. �This includes Zooming, blurring , sharpening , gray scale to color conversion, detecting edges and vice versa , Image retrieval and Image recognition. The common examples are: IMAGE SHARPENING AND RESTORATION:

The original image- The zoomed image

The original image- The zoomed image

�Pixel replication or (Nearest neighbor interpolation) �Zero order hold method or (Zoom Twice) �Zooming

�Pixel replication or (Nearest neighbor interpolation) �Zero order hold method or (Zoom Twice) �Zooming K times Algorithms Used in Zooming a Picture:

Blurr image

Blurr image

Blurring can be achieved by many ways. The common type of filters that are

Blurring can be achieved by many ways. The common type of filters that are used to perform blurring are: � Mean filter � Weighted average filter � Gaussian filter Blurring Fliters:

Sharp image

Sharp image

�Unsharp Masks � High-pass Filter �Laplacian Sharpening Methods:

�Unsharp Masks � High-pass Filter �Laplacian Sharpening Methods:

Edges

Edges

�Prewitt Operator �Sobel Operator �Robinson Compass Masks �Krisch Compass Masks �Laplacian Operator. Filters Used

�Prewitt Operator �Sobel Operator �Robinson Compass Masks �Krisch Compass Masks �Laplacian Operator. Filters Used in Detecting Edges:

�Beauty. Plus �You. Cam Perfect �B 612 �Insta. Beauty �Beauty. Cam Real Time Applications:

�Beauty. Plus �You. Cam Perfect �B 612 �Insta. Beauty �Beauty. Cam Real Time Applications:

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