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  2. Visual snow syndrome - Wikipedia

    en.wikipedia.org/wiki/Visual_snow_syndrome

    Uncommon (understudied) Visual snow syndrome ( VSS) is an uncommon neurological condition in which the primary symptom is that affected individuals see persistent flickering white, black, transparent, or colored dots across the whole visual field. [ 7][ 4] Other common symptoms are palinopsia, enhanced entoptic phenomena, photophobia, and ...

  3. Noise (video) - Wikipedia

    en.wikipedia.org/wiki/Noise_(video)

    Noise (video) Noise in a CRT television (top) and flat screen television (bottom) Noise, static or snow screen captured from a VHS tape. Noise, commonly known as static, white noise, static noise, or snow, in analog video and television, is a random dot pixel pattern of static displayed when no transmission signal is obtained by the antenna ...

  4. Closed-eye hallucination - Wikipedia

    en.wikipedia.org/wiki/Closed-eye_hallucination

    Closed-eye hallucination. Closed-eye hallucinations and closed-eye visualizations ( CEV) are hallucinations that occur when one's eyes are closed or when one is in a darkened room. They should not be confused with phosphenes, perceived light and shapes when pressure is applied to the eye's retina, or some other non-visual external cause ...

  5. Bliss (photograph) - Wikipedia

    en.wikipedia.org/wiki/Bliss_(photograph)

    Bliss, originally titled Bucolic Green Hills, is the default wallpaper of Microsoft's Windows XP operating system. It is an unedited photograph of a green hill and blue sky with white clouds in the Los Carneros American Viticultural Area of Wine Country, California. Charles O'Rear took the photo in January 1996 and Microsoft bought the rights ...

  6. Image noise - Wikipedia

    en.wikipedia.org/wiki/Image_noise

    Image noise. Image noise is random variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the image sensor and circuitry of a scanner or digital camera. Image noise can also originate in film grain and in the unavoidable shot noise of an ideal photon detector. Image noise is ...

  7. Front projection effect - Wikipedia

    en.wikipedia.org/wiki/Front_projection_effect

    A front projection effect is an in-camera visual effects process in film production for combining foreground performance with pre-filmed background footage. In contrast to rear projection, which projects footage onto a screen from behind the performers, front projection projects the pre-filmed material over the performers and onto a highly ...

  8. Pepper's ghost - Wikipedia

    en.wikipedia.org/wiki/Pepper's_ghost

    The "Musion Eyeliner" uses thin metalized film placed across the front of the stage at an angle of 45 degrees towards the audience; recessed below the screen is a bright image supplied by an LED screen or powerful projector. When viewed from the audience's perspective, the reflected images appear to be on the stage.

  9. iMovie - Wikipedia

    en.wikipedia.org/wiki/IMovie

    iMovie is a free video editing application made by Apple for the Mac, the iPhone, and the iPad. [2] It includes a range of video effects and tools like color correction and image stabilization, but is designed to be accessible to users with little or no video editing experience. [3] iMovie's professional equivalent is Apple's Final Cut Pro X. [4]

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