Indian_Head_interlace.gif(576 × 384 píxels, mida del fitxer: 54 Ko, tipus MIME: image/gif, en bucle, 2 fotogrames, 0,1 s)
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DescripcióIndian Head interlace.gif
English: Demonstration of interlace and so-called "interline twitter", based on part of an RCA Indian Head Test Card ca. 1940. From left to right: progressive, interlace animation, and reconstructed using "bob" (interpolation per field) algorithm. Top row: original full-resolution image; bottom row: vertically blurred using [1 4 6 4 1]/16 kernel. Progressive images are darkened somewhat to match the effective brightness of the interlaced images.
Això és una imatge retocada, cosa que vol dir que ha estat alterada digitalment de la seva versió original. Modificacions: Interlaced, animated, retouched, and blurred. L'original es pot veure a: RCA Indian Head test pattern.JPG: . Modificacions fetes per Damian Yerrick.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description={{en|Demonstration of interlace and so-called "interline twitter", based on part of an RCA Indian Head Test Card ca. 1940. From left to right: progressive, interlace animation, and reconstructed using "bob" (interpolation per fi