| 摘要 |
A method of detecting a digital color picture movement signal precisely and economically for three-dimensional processing for the purpose of improving TV and VTR picture quality comprises the steps of detecting the differential between the brightness signals of an input digital color picture signal and the preceding picture delayed one frame period, of detecting in the input signal brightness signal components having frequencies in the vicinity of the color subcarrier frequency, and of allowing the passage of the brightness signal having components in the higher frequency range of the color subcarrier frequency.
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