实现图像的中值滤波

底层模块

`timescale 1ns / 1ps
module median_filter
#(parameter DATA_WIDTH = 8
)
(input    clk             , //pixel clkinput    reset_p         ,input    [7:0] data_in   ,input    data_in_valid   ,input    data_in_hs      ,input    data_in_vs      ,output  [7:0] data_out   ,output   data_out_valid  ,output   data_out_hs     ,output   data_out_vs);
reg data_in_valid_dly1;
reg data_in_valid_dly2;
reg data_in_valid_dly3;
reg data_in_hs_dly1   ;
reg data_in_hs_dly2   ;
reg data_in_hs_dly3   ;
reg data_in_vs_dly1   ;
reg data_in_vs_dly2   ;
reg data_in_vs_dly3   ;always @(posedge clk)
begindata_in_valid_dly1 <= data_in_valid;data_in_valid_dly2 <= data_in_valid_dly1;data_in_valid_dly3 <= data_in_valid_dly2;data_in_hs_dly1 <= data_in_hs;data_in_hs_dly2 <= data_in_hs_dly1;