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Recent content by chitra ranganath

  1. C

    FPGA implementation for image compression

    k sir thanks for the suggestion will start frm now ---------- Post added at 09:29 ---------- Previous post was at 09:26 ---------- how can i give those contents in text file as input if file io cannot be done on fpga.
  2. C

    FPGA implementation for image compression

    the locations of these files need to be changed at lines 84 n 85 n 86
  3. C

    FPGA implementation for image compression

    fine sir i don`t use but wat can be a substitute. like jus now i thot of integer atleast. but we i changed to integer i`m gettin other error like bad condition in wait statement or only one clock per process ---------- Post added at 09:18 ---------- Previous post was at 09:17 ---------- i`ll...
  4. C

    FPGA implementation for image compression

    here is the code
  5. C

    FPGA implementation for image compression

    shall i post my code ---------- Post added at 09:07 ---------- Previous post was at 09:04 ---------- i just want to make my code to be implemented on fpga. or i can say it must be a code which is eligible to be implemented on fpga
  6. C

    FPGA implementation for image compression

    i`m assigning real for a ratio in my code. so if the ratio comes around 2.187, n i`m using std_logic_vector how far is it justified???
  7. C

    FPGA implementation for image compression

    in my vhdl code i synthesized but i`m left wid an error that signal<> of type real not supported.. n simulation i carried out using modelsim. i`m gettin the expected result. but how to overcome this error of signal pf type real???? the expected result in my code needs to be floating point...
  8. C

    VHDL code error: signal of type real is not supported

    hi in my vhdl code i`m getting an error saying Xst:1547 - "F:/Xilinx/img_wr1/img_wr.vhd" line 75: Signal <comp_cnt> of type real is not supported. pls help me to overcome this error as early as possible
  9. C

    FPGA implementation for image compression

    hi i have written a vhdl code for image compression n i have simulated using modelsim too. if i have to implement on fpga wat is that i need to do. i really have no knowledge of FPGA. i jus want to know do all thae programs which are simulated are eligible for FPGA implementation ????? or...
  10. C

    discrete wavelet transform in vhdl for image processing

    hi can anybody help me in coding 2d dwt for image processing. i have no idea about the transform. till now i`ve completed the entropy encoding, but i heard entropy encoding need to be applied for the results of transform during image compression. is it really necessary to apply DWT for pixel...
  11. C

    reading text file using vhdl

    hi i want to know how many characters does a readline command reads. is it full one line or is there any limitation for it.?????????
  12. C

    to count number of bits in matlab

    z= 10010101 10101010 11110001 i jus want to count number of bits in this.
  13. C

    how to recover the bits using matlab

    hi can pls somebody help me in solving this doubt z= 10101010 1 1 0 10101111 0 11111111 here in this i`ve stored some bits with spaces in reg z the logic is after reading 1st 8 bits i`ll see wat is next bit. if it is '1' i should get output as previous same 8 bits. else if bit is '0' i shd...
  14. C

    to count number of bits in matlab

    no sir the command which u gave is working properly and i obtained proper result also. but my doubt is if bits are like one below the other z= 10010101 10101010 11110001 like this how to count the number of bits? bcos the command which u gave wil work only for string. so shd i convert these...
  15. C

    How to read data file by VHDL

    fine sir if i need to move to next line wat is that i need to do. i tried putting for loop for readline but this didn`t work. i don`t knw wats wrong bcos when "while not endfile loop" is given it should read all values in text rite???
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