Urmila

自 2013 起处于活动状态

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Student at college of engg, pune,

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提问

pixel acessing in xillinx using vhdl
I have stored pixels of image in brom in xilinx using vhdl , now i dont understand how to acess each pixel.plz help me.

10 years 前 | 0 个回答 | 0

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1D dct equation implementation
i have written a code to implent 1D dct formula. but the results are not matching with result of inbuilt function 'dct' for the ...

10 years 前 | 0 个回答 | 0

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pixel scrambling of image
I have done image scrambling by exchanging pixels using following method: 1. pn sequence is generated 2.For every bit value ...

10 years 前 | 0 个回答 | 0

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image scrambling in matlab
I have a frame of size 144*176 and i have generated pn sequence of same size. now i want to scramble image by using following me...

10 years 前 | 1 个回答 | 0

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提问

pn sequence generation using independent seed
how to generate pn sequence using independent seed, and for the same seed the same sequence should be generated.i want to use it...

10 years 前 | 1 个回答 | 0

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提问

xor operation using loop
i have 1 dimentional array say p=[1 0 1 0 1 1 1 0 0], now i want to xor its bits like Q(l)= xor(p(i))...... where i=l,l+N,l+...

10 years 前 | 1 个回答 | 0

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提问

dividing image into blocks and access them seperately
I am diving image into 8x8 blocks 1) using loop kk=0; for i=1:(r/bs) for j=1:(c/bs) Block(:,:,kk+j)=...

10 years 前 | 2 个回答 | 0

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Problem in blockwise zigzag processing of frame
I have two frames and i am dividing each frame into 8x8 blocks now i want to apply zigzag on each 8x8 block of both frames.here ...

10 years 前 | 0 个回答 | 0

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已回答
How to convert video into Frames
you can use mmreader(filemame) function. see matlab documentation on mmreader function.

10 years 前 | 0

提问

feedback with carry shift register.I have tried to write fcsr code. can anybody tell whether it is write or I should have to do changes in that.
I have tried to write fcsr code. can anybody tell whether it is write or I should have to do changes in that.also I want help fo...

10 years 前 | 0 个回答 | 0

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Bitwise addition if bit is 1.but not gettin answer.
I am taking one number and converting it into binary and checking each bit whether it is 1 and if it is 1 then is added to next ...

10 years 前 | 2 个回答 | 0

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image compression using dct,zigzag scan and runlength coding.
hello, I am trying to compress an image by applying dct, zigzag scan and run length coding. but I am stuck at zigzag coding.so ...

11 years 前 | 1 个回答 | 0

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Can anybody tell me how to apply cover up attack in matlab?
Actually i want to do tamper detection and for that i want to tamper the image by cover up attack.But i am very confused how to ...

11 years 前 | 1 个回答 | 0

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提问

why i am getting error in mmreader function?
when i write the following piece of code i am getting error. clc obj=mmreader('wildlife.wmv') vedio=rea...

11 years 前 | 1 个回答 | 0