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2. Image - Wikipedia

   en.wikipedia.org/wiki/Image

   The act of making a 2D image with a mobile phone camera.The display of the mobile phone shows the image being made. An image is a visual representation. An image can be two-dimensional, such as a drawing, painting, or photograph, or three-dimensional, such as a carving or sculpture.

3. Image quality - Wikipedia

   en.wikipedia.org/wiki/Image_quality

   Oversharpening, can degrade image quality by causing "halos" to appear near contrast boundaries. Images from many compact digital cameras are sometimes oversharpened to compensate for lower image quality. Noise is a random variation of image density, visible as grain in film and pixel level variations in digital images. It arises from the ...

4. Digital imaging - Wikipedia

   en.wikipedia.org/wiki/Digital_imaging

   The Internet allows editing, viewing, and sharing digital photos and graphics. A quick browse around the web can easily turn up graphic artwork from budding artists, news photos from around the world, corporate images of new products and services, and much more.

5. Lenna - Wikipedia

   en.wikipedia.org/wiki/Lenna

   It is a picture of the Swedish model Lena Forsén, shot by photographer Dwight Hooker and cropped from the centerfold of the November 1972 issue of Playboy magazine. The image has attracted controversy in recent years because of its subject matter, [ 2 ] and many journals have deemed it inappropriate and discouraged its use, while others have ...

6. Binary image - Wikipedia

   en.wikipedia.org/wiki/Binary_image

   An entire class of operations on binary images operates on a 3×3 window of the image. This contains nine pixels, so 2 9 or 512 possible values. Considering only the central pixel, it is possible to define whether it remains set or unset, based on the surrounding pixels.

7. Image resolution - Wikipedia

   en.wikipedia.org/wiki/Image_resolution

   The term applies to digital images, film images, and other types of images. "Higher resolution" means more image detail. Image resolution can be measured in various ways. Resolution quantifies how close lines can be to each other and still be visibly resolved. Resolution units can be tied to physical sizes (e.g. lines per mm, lines per inch ...