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  2. Bokeh - Wikipedia

    en.wikipedia.org/wiki/Bokeh

    The term comes from the Japanese word boke (暈け/ボケ), which means "blur" or "haze", resulting in boke-aji (ボケ味), the "blur quality".This is derived as a noun form of the verb bokeru, which is written in several ways, [7] with additional meanings and nuances: 暈ける refers to being blurry, hazy or out-of-focus, whereas the 惚ける and 呆ける spellings refer to being mentally ...

  3. Deblurring - Wikipedia

    en.wikipedia.org/wiki/Deblurring

    While this process is sometimes known as unblurring, deblurring is the correct technical word. The blur K is typically modeled as point spread function and is convolved with a hypothetical sharp image S to get B, where both the S (which is to be recovered) and the point spread function K are unknown. This is an example of an inverse problem.

  4. Gaussian blur - Wikipedia

    en.wikipedia.org/wiki/Gaussian_blur

    The difference between a small and large Gaussian blur. In image processing, a Gaussian blur (also known as Gaussian smoothing) is the result of blurring an image by a Gaussian function (named after mathematician and scientist Carl Friedrich Gauss).

  5. Unsharp masking - Wikipedia

    en.wikipedia.org/wiki/Unsharp_masking

    Unsharp masking applied to lower part of image. Unsharp masking (USM) is an image sharpening technique, first implemented in darkroom photography, but now commonly used in digital image processing software.

  6. 30 Times People Took A Pic Of A Dog And Got A Blurry But ...

    www.aol.com/120-times-dogs-were-captured...

    This is a must for owners whose pets have dark fur, as the light sensors in the phone's camera can have a hard time determining the correct exposure. "Tap the subject of your photo so that a sun ...

  7. Image noise - Wikipedia

    en.wikipedia.org/wiki/Image_noise

    In low light, correct exposure requires the use of slow shutter speed (i.e. long exposure time) or an opened aperture (lower f-number), or both, to increase the amount of light (photons) captured which in turn reduces the impact of shot noise.

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