LOW BIT RATE COMPRESSION FORMAT CONVERSION FOR IMPROVED RESOLUTION

摘要

Format conversion method, field of step and the aforementioned 1st resolution which offer the 1st interlace image signal which includes the non progressive image of 1st resolution includes with the step which it knocks down converts to 2nd resolution and the aforementioned field the step which with 3rd resolution it synthesizes and interlaces and. The image signal is transmitted with 3rd resolution. The image signal of 3rd resolution, in order to form progressive format image, interlaces is cancelled. Progressive format image, for indicating for forming the upper part and the lower field of 1st resolution, is converted to 1st non progressive resolution position of the progressive format of 3rd resolution by each one alternately rising and falling adjust.