value8.m

将一幅多媒体图像根据各个块的不同特性蔡用不同的编码方式

 %ovic88=[1 1 1 1 2 2 3 2 4 4 4 4]                            
function [zhi]=value8(ovic88)

p=1;
                           pp=1;
                          biaozhi=['00' '01' '10' '11'];
                          bz4(1,1)=[biaozhi(1)];
                          bz4(2,1)=[biaozhi(2)];
                          zhi(1)=ovic88(1);
                          for i= 2:64;
                             for j=1:i-1
                               if ovic88(j)==ovic88(i);
                                  bz4(1,i)=bz4(1,j);
                                  bz4(2,i)=bz4(2,j);
                                break;
                            end
                                if j==i-1
                                   pp=pp+1;
                                   zhi(pp)=ovic88(i);%zhi(pp)记录四种象素值
                                   p=p+2;
                                   bz4(1,i)=[biaozhi(p)] ;
                                   bz4(2,i)=[biaozhi(p+1)];         
                               end
                           end
                          end
                        
                           
                           for i1=1:64
                            bma41(i1)=bz4(1,i1);
                            bma41num(i1)=str2num(bma41(i1));%bma41/2记录两个比特面
                            bma42(i1)=bz4(2,i1);
                            bma42num(i1)=str2num(bma42(i1));
                           end
                         
                      youcheng(bma41num);
                      youcheng(bma42num);
                      for j1=1:4
                          total_cell(point+1)=uint8(zhi(j1));
                          point=point+1;
                      end
                      return