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2. Aspect ratio (image) - Wikipedia

   en.wikipedia.org/wiki/Aspect_ratio_(image)

   In motion picture formats, the physical size of the film area between the sprocket perforations determines the image's size. The universal standard (established by William Dickson and Thomas Edison in 1892) is a frame that is four perforations high. The film itself is 35 mm wide (1.38 in), but the area between the perforations is 24.89 mm × 18 ...

3. Letterboxing (filming) - Wikipedia

   en.wikipedia.org/wiki/Letterboxing_(filming)

   Window-boxing occurs when an image appears centered in a television screen, with blank space on all four sides of the image, [9] [10] such as when a widescreen image that has been previously letter-boxed to fit 1.33:1 is then pillar-boxed to fit 1.78:1. It is also called "matchbox", "gutter box", and "postage stamp" display.

4. Image scaling - Wikipedia

   en.wikipedia.org/wiki/Image_scaling

   Image scaling can be interpreted as a form of image resampling or image reconstruction from the view of the Nyquist sampling theorem. According to the theorem, downsampling to a smaller image from a higher-resolution original can only be carried out after applying a suitable 2D anti-aliasing filter to prevent aliasing artifacts. The image is ...

5. FITS Liberator - Wikipedia

   en.wikipedia.org/wiki/FITS_Liberator

   The ESA/ESO/NASA FITS (Flexible Image Transport System) Liberator is a free software program for processing and editing astronomical data in the FITS format to reproduce images of the universe. Version 3 [ 1 ] and later are standalone programs; earlier versions were plugins for Adobe Photoshop .

6. Framing (visual arts) - Wikipedia

   en.wikipedia.org/wiki/Framing_(visual_arts)

   Framing can make an image more aesthetically pleasing and keep the viewer's focus on the framed object(s). It can also be used as a repoussoir , to direct attention back into the scene. It can add depth to an image, and can add interest to the picture when the frame is thematically related to the object being framed.

7. Comparison of graphics file formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_graphics...

   AV1 Image File Format Alliance for Open Media (AOMedia) AV1.avif image/avif General purpose royalty-free BAY: Casio RAW Casio.bay BMP: raw-data unencoded or encoded bitmap simple colour image format, far older than Microsoft; some .bmp encoding formats developed/owned by Microsoft.bmp, .dib, .rle,.2bp (2bpp) image/x-bmp Used by many 2D ...