H.264视频编码

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%This Function DECODE gets Encoded information from encoder Side_Info and%
%using the old image decodes the image by H.264 Std. For the Current Block%
%specified by （ij） based on the prediction mentioned in Side_info the   %
%corresponding reconstruction is Done.                                     %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

function blk_im=decode（Side_Infoim_oldrecons_imijrblk cblkN）


%initialisation for Temporal Prediction
W=2*N; % width of search window
%Replicate the image along borders to be used for inter Prediction
im_old1 = double（padarray（im_old[W/2 W/2]‘replicate‘））;
%im_new1 = double（padarray（im_new[W/2 W/2]‘replicate‘））;

    switch Side_Info（rblkcblk）.prediction 
        case ‘Inter‘
            motion=Side_Info（rblkcblk）.motion;
            pred_err=Side_Info（rblkcblk）.pred_err;
            
            [rim_inter]=inter_recons（im_old1motionpred_errijN）;
            blk_im=rim_inter;        
        case ‘Intra‘
        
            intra_mode=Side_Info（rblkcblk）.Mode;
                % intra Reconstruction
            rim_intra=intra_recons（recons_imintra_modeijN）; %change pred_im_tp to reconstructed Image
            blk_im=rim_intra;  
        
        case ‘IPCM‘
            
            rim_ipcm=Side_Info（rblkcblk）.Data;
            blk_im=Side_Info（rblkcblk）.Data;
        otherwise
            error（‘Unknown Prediction Type‘）;

    end
    
end

    

 属性            大小     日期    时间   名称
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     文件     236278  2015-11-02 20:38  H_264_AVC5.bmp

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