A video processing method comprising the steps of: determining (S102; S201; S302; S402) a first bandwidth applied to a plurality of divided areas which are set on a processing target image which forms a video image so as to section the processing target image, the first bandwidth being common for the divided areas, wherein the divided areas are determined using a predetermined division size or division number, and the first bandwidth is determined with reference to a table in which values of the first bandwidth are associated with the division size; computing (S103; S202; S303; S403) a first filter coefficient array for implementing frequency characteristics corresponding to a band limitation using the first bandwidth; generating (S105; S203; S305; S405) filtered image data by subjecting image data of the processing target image to a filtering process using the first filter coefficient array; computing (S106; S205; S306; S406), for each divided area, a PSNR (Peak Signal to Noise Ratio) of the filtered image data by comparing the image data of the processing target image with the filtered image data, and determining an allocation coefficient by dividing a constant PSNR by the computed PSNR in a manner such that the smaller the computed PSNR, the larger the allocation coefficient is; determining (S108; S207; S308; S408), for each divided area, an optimum bandwidth in a manner such that the larger the allocation coefficient, the larger the optimum bandwidth is; computing (S109; S208; S311; S411), for each divided area, an optimum filter coefficient array for implementing the frequency characteristics corresponding to a band limitation using the determined optimum bandwidth; generating (S110; S209; S312; S412) optimum filtered divided image data of each divided area by subjecting the image data of each divided area to a filtering process using the optimum filter coefficient array; and synthesizing (S112; S211; S314; S414) the optimum filtered divided image data of each divided area. determining (S102; S201; S302; S402) a first bandwidth applied to a plurality of divided areas which are set on a processing target image which forms a video image so as to section the processing target image, the first bandwidth being common for the divided areas, wherein the divided areas are determined using a predetermined division size or division number, and the first bandwidth is determined with reference to a table in which values of the first bandwidth are associated with the division size; computing (S103; S202; S303; S403) a first filter coefficient array for implementing frequency characteristics corresponding to a band limitation using the first bandwidth; generating (S105; S203; S305; S405) filtered image data by subjecting image data of the processing target image to a filtering process using the first filter coefficient array; computing (S106; S205; S306; S406), for each divided area, a PSNR (Peak Signal to Noise Ratio) of the filtered image data by comparing the image data of the processing target image with the filtered image data, and determining an allocation coefficient by dividing a constant PSNR by the computed PSNR in a manner such that the smaller the computed PSNR, the larger the allocation coefficient is; determining (S108; S207; S308; S408), for each divided area, an optimum bandwidth in a manner such that the larger the allocation coefficient, the larger the optimum bandwidth is; computing (S109; S208; S311; S411), for each divided area, an optimum filter coefficient array for implementing the frequency characteristics corresponding to a band limitation using the determined optimum bandwidth; generating (S110; S209; S312; S412) optimum filtered divided image data of each divided area by subjecting the image data of each divided area to a filtering process using the optimum filter coefficient array; and synthesizing (S112; S211; S314; S414) the optimum filtered divided image data of each divided area.