[frame rate doubling] development and implementation of FPGA based video frame rate doubling system Verilog

1. Software version

ISE14.7

2. System Overview

        The algorithm mainly lies in the effective combination of unidirectional motion estimation and bidirectional motion estimation , It combines the advantages of the two algorithms , The performance of the motion algorithm is improved . The specific system structure is as follows ：

        Firstly, the motion vector is quickly obtained as the initial value of bidirectional motion estimation by the method of unidirectional motion estimation , Then do the block decomposition , Get high precision estimation results , Then calculate the motion vector SDA value , If SDA The value is greater than the predetermined threshold , Then continue with the block decomposition , know SDA The value is less than the threshold , Then motion compensation , Finally, output the video after frame insertion . After reading all the information you provided , Propose the above algorithm , namely “ Unidirectional motion estimation + Multilevel bidirectional motion estimation “ combination “ Adaptive bidirectional motion estimation ” Method for motion estimation .

    In order to highlight the high performance of this algorithm , The improved algorithm is not only provided here , Original bidirectional motion estimation , Several classical algorithms are also simulated , There are three main search steps , Global search estimates ,ARPS Search estimate , Unidirectional motion estimation . A complete set of MATLAB The basic structure of the code is ：