Fig. 1. Working flow chart of the multi-resolution video transmission processing system

Fig. 2. Working folw chart of video capture part

Fig. 3. Schematic diagram of 4K video 4 screen split

Fig. 4. Video SDI line structure

Fig. 5. Extended logic signal sequence diagram

Fig. 6. Schematic diagram of video change after clipping

Fig. 7. Overall system test architecture

Fig. 8. Timing simulation of four picture segmentation module

Fig. 9. Timing simulation of pixel filling module

Fig. 10. 4K segmented four channel 1 080P video display

Fig. 11. （a）1 024×768P@60 display diagram before clipping；（b）1 024×768P@60 display diagram after clipping.