Bucaro TecHelp
Maintain Your Computer and Use it More Effectively
to Design a Web Site and Make Money on the Web

About BTH User Agreement Privacy Site Map Contact News Feeds

Stop the Slaughter of Innocents. Congress is bought and paid for by gun lunatics and gun promotion groups. If you want to live in a safe America, help buy Congress back for America. Send a donation to Mayors Against Illegal Guns, 909 Third Avenue, 15th Floor New York, NY 10022

Image Processing Filters - How to Sharpen a Photograph

By Stephen Bucaro

Blurry photograph

Do you have a blurry image that you would like to sharpen? Most image editing applications provide an image sharpen function. If you don't already have an image editing application, you can either pay over $100 for Adobe Photoshop, or you can download the free Paint.NET image editing application for Windows.

Pixels Before sharpen algorythm Pixels after sharpen algorythm

Image sharpening works scanning through the pixels of the image and performing a mathematical matrix operation on each pixel. The formula uses the color and intensity of the pixel, along with the color and intensity of the surrounding pixels to calculate how much to increase the contrast of the target pixel.

Paint.NET photo sharpen operation