This is a JPEG encoding & decoding program of still image. It does not use level shifting. Discrete Cosine transform (DCT) is performed both by classical & Chen s Flowgraph methods. Predefined JPEG quantization array & zigzag order are used here. RUN - LEVEL coding is used instead of Huffman coding. Compression ratio is compared for each DCT method. Effect of coarse and fine quantization is also examined. The execution time of 2 DCT methods is also checked. In addition, most energatic DCT coefficients are also applied to examine the effect in MatLab 7.4.0 R2007a. Input is 9 gray scale pictures & output is 9*9=81 pictures to compare. Blocking effect is obvious.

BusAdaptor_OCP_master_basic.v
CADTOOL.tcl
calculate.pl
DC_EX_gen.v
DC_gen.v
DOI.txt
etri_cad.pl
ExternalMemory_gen.v
EX_gen.v
EX_MEM_gen.v
FETCH_gen.v
FE_DC_gen.v
FE_gen.v
header_all.vcd

LT_VLIW_2i_gen.v
LT_VLIW_2i_wrap_gen.v
MemoryFile_gen.v
MEM_gen.v
MEM_WB_gen.v
MS.txt
Package_LT_VLIW_2i_gen.v
PF_FE_gen.v
PF_gen.v
pipe_gen.v
PIPE_MEM_gen.v
pre_computation.txt
RegisterFile_gen.v
replace.pl
SimMemSync_rp2_wp2_cp0.v
Testbench.v
Testbench_gen.v
TopLevel_gen.v
TP.txt
unit_pipe_DC_gen.v
unit_pipe_EX_gen.v
unit_pipe_MEM_gen.v
unit_pipe_PF_gen.v
unit_pipe_WB_gen.v
values.txt
WB_gen.v
WTR_with_en.pl

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