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2. 1951 USAF resolution test chart - Wikipedia

   en.wikipedia.org/.../1951_USAF_resolution_test_chart

   A 1951 USAF resolution test chart is a microscopic optical resolution test device originally defined by the U.S. Air Force MIL-STD-150A standard of 1951. The design provides numerous small target shapes exhibiting a stepped assortment of precise spatial frequency specimens. It is widely used in optical engineering laboratory work to analyze and ...

3. Dots per inch - Wikipedia

   en.wikipedia.org/wiki/Dots_per_inch

   Dots per inch. A close-up of the dots produced by an inkjet printer at draft quality. Actual size is approximately 1⁄4 by 1⁄4 inch (6 by 6 mm). Individual coloured droplets of ink are visible; this sample is about 150 DPI. Dots per inch ( DPI, or dpi [1]) is a measure of spatial printing, video or image scanner dot density, in particular ...

4. 5K resolution - Wikipedia

   en.wikipedia.org/wiki/5K_resolution

   The most common 5K resolution is 5120 × 2880, which has an aspect ratio of 16∶9 with around 14.7 million pixels (just over seven times as many pixels as 1080p Full HD ), with exactly twice the linear resolution of 1440p and four times that of 720p. This resolution is typically used in computer monitors to achieve a higher pixel density, and ...

5. File:Peter Kaufmann's Business Card.jpg - Wikipedia

   en.wikipedia.org/wiki/File:Peter_Kaufmann's...

   Kaufmann's business (visiting) card gives his name, his profession (in German and English), and his contact address. Source E. Kaufmann, Grindelwald Date Original ca. 1900; copy 2016 Author Peter Kaufmann (1858-1924) Permission (Reusing this file)

6. Image resolution - Wikipedia

   en.wikipedia.org/wiki/Image_resolution

   An image that is 2048 pixels in width and 1536 pixels in height has a total of 2048×1536 = 3,145,728 pixels or 3.1 megapixels. One could refer to it as 2048 by 1536 or a 3.1-megapixel image. The image would be a very low quality image (72ppi) if printed at about 28.5 inches wide, but a very good quality (300ppi) image if printed at about 7 ...

7. BMP file format - Wikipedia

   en.wikipedia.org/wiki/BMP_file_format

   The BMP file format or bitmap, is a raster graphics image file format used to store bitmap digital images, independently of the display device (such as a graphics adapter ), especially on Microsoft Windows [2] and OS/2 [3] operating systems. The BMP file format is capable of storing two-dimensional digital images in various color depths, and ...