RID11424 smearing

synonym blurring

definition From random (non-periodic) motion. Examples: peristalsis, swallowing, positional change, cough, hiccup, tremor. Random motion causes smearing (less preferred synonym used by some authors: blurring) of image. The severity depends on the distance moved.

comment From random (non-periodic) motion. Examples: peristalsis, swallowing, positional change, cough, hiccup, tremor. Random motion causes smearing (less preferred synonym used by some authors: blurring) of image. The severity depends on the distance moved.