blockdequant263.m

来自「用matlab写的仿真H.263标准的程序」· M 代码 · 共 15 行

function BlockCoeff = BlockDequant263(QCoeff,Qp)
%h263方式量化
%输入 QCoeff: 已量化Dct系数，8x8,double
%输入 Qp: QP, double
%输出 BlockCoeff:反量化系数

msg = nargchk(2,2,nargin);

if ~(isempty(msg)) %检查输入参数是否为2个
    disp(msg)
    return ;
end

BlockCoeff = round(QCoeff*2*Qp);