Y. Shishikui, A STUDY ON INTRODUCTION OF POWER SPECTRUM DENSITY MODEL FOR FIELD MERGED SIGNAL AND ITS ANALYSIS, Electronics & communications in Japan. Part 1, Communications, 79(6), 1996, pp. 18-25
This paper describes a theoretical model of the power spectrum density
(PSD) for a field-merged frame signal and compares the efficiency bet
ween the field-based coding and frame-based coding which uses the fiel
d-merged signal. The field-merged signal has also been used recently a
s an input signal to the spatial coding process for the coding of inte
rlaced-scanned television signals. However, the nature of PSD, which i
s an important basis for high-efficiency coding, is not sufficiently u
nderstood in the area of field-merged signal. For instance, optimality
of the conventional techniques applied to the field-merged signal is
not assured. A theoretical PSD model for the field-merged signal has b
een introduced and its properties have been clarified in relation to t
he motion of the image. The performance of frame based-coding is calcu
lated using this model.