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Page 1: ESTUDIO E IMPLEMENTACIÓN DE LA TRANSFORMADA WAVELET … · ly 5hvxphq 5hvxp $evwudfw /d7hvl ’rfwrudotxhhvsuhvhqwdkdvljxwghvhqurwoodgdglqvghosurmhfwh &,&

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pbb2 := pixel(13 downto 0)*bb(i);pbb3 := pixel(27 downto 14)*bb(i+4);pbb1 := pbb3+pbb2+pbb1;pba2 := pixel(13 downto 0)*ba(i);pba3 := pixel(27 downto 14)*ba(i+4);pba1 := pba3+pba2+pba1;pab2 := pixel(13 downto 0)*ab(i);pab3 := pixel(27 downto 14)*ab(i+4);pab1 := pab3+pab2+pab1;paa2 := pixel(13 downto 0)*aa(i);paa3 := pixel(27 downto 14)*aa(i+4);paa1 := paa3+paa2+paa1;

constant bb : MATRIX_BIORTO3:= MATRIZ_BB_BI3;constant ba : MATRIX_BIORTO3:= MATRIZ_BA_BI3;constant ab : MATRIX_BIORTO3:= MATRIZ_AB_BI3;constant aa : MATRIX_BIORTO3:= MATRIZ_AA_BI3;

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temp_0A(13 downto 0) :=pixel(13 downto 0);temp_0A(21 downto 14) := (others => pixel(13));temp_1A:=pixel(13 downto 0)*"00000011";temp_2A:=pixel(13 downto 0)*"00001001";Mtemp_0A := -temp_0A;Mtemp_1A := -temp_1A;Mtemp_2A := -temp_2A;temp_0B(13 downto 0) :=pixel(27 downto 14);temp_0B(21 downto 14) := (others => pixel(27));temp_1B:=pixel(27 downto 14)*"00000011";temp_2B:=pixel(27 downto 14)*"00001001";Mtemp_0B := -temp_0B;Mtemp_1B := -temp_1B;Mtemp_2B := -temp_2B;

case i iswhen 1 =>

pbb1 := (2=>'1', others => '0');pba1 := (3=>'1', others => '0');pab1 := (3=>'1', others => '0');paa1 := (4=>'1', others => '0');

pbb2 := temp_0A;pbb3 := Mtemp_1B;pba2 := temp_1B;pba3 := Mtemp_0A;pab2 := temp_1B;pab3 := Mtemp_0A;paa2 := temp_0A;paa3 := Mtemp_1B;

when 2 =>pbb2 := temp_2B;pbb3 := Mtemp_1A;pba2 := temp_1A;pba3 := Mtemp_2B;pab2 := temp_1A;pab3 := Mtemp_2B;paa2 := temp_2B;paa3 := Mtemp_1A;..

end case;

pbb1 := pbb2+pbb3+pbb1;pba1 := pba2+pba3+pba1;pab1 := pab2+pab3+pab1;paa1 := paa2+paa3+paa1;

if i = 8 theni:=1;

elsei:=i+1;

end if;

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