Difference between two TIF image files

November 16, 2015 at 22:31:22
Specs: wINDOWS 7 AND xp
I HAVE 2 ".TIF" IMAGE FILES
FIRST OF ALL I WANT TO COMPARE THESE FILES AND GENERAE ANOTHER OUTPUT ".TIF" FILES OR BNARY COTENT WHICH WILL CONTAIN DIFFRENCE BETWEEN 2 FILES.

sUPPOSE IN FIRST FILE I AM HAVING SQUARE INSIDE CIRCLE
AND IN SECOND ILE I ONLY HAVE SQUARE.

SO OUTPUT SHOULD BE A FILE OR SOMETHING WHICH CAN CREATE FILE WITH CIRCLE.


thank YOU,
gAURAV


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#1
November 16, 2015 at 22:56:40
Will dos file compare FC work for what you want to do?
It can do a binary compare between two files and other compare operations.
Enter FC /? at the command prompt for a list of switches.
I believe you can have it output to file by entering >> file.txt at the end of the line.
Something like FC C:\Folder\File D:\Folder\File >> file.txt
What are you trying to do with this?

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#2
November 16, 2015 at 23:24:48
I AM COMPARING .TIF FILE BUT IN FILE .TXT I AM NOT GETTING BUT WITH UNREADABLE CHARACTERS.. IS THERE ANY ALTERNATE WAY TO MAKE IT READABLE?

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#3
November 16, 2015 at 23:29:17
I HAVE USED fc /B FILEPATH1 FILEPATH2 >> FILE.TXT

AND IT IS NOT SHOWING ANY OUTPUT I THINK IT IS HANGED...

I AM TRYING TO COMPARE TWO .TIF FILES ...

ACTUALLY I AM WORKING ON SAP PLM MODULE... I WANT TO USE THIS COMMAND AS AN EXTERNAL COMMAND AS WE ARE FETCHING FILES FROM PRESENTATION SERVER...

I WANT TO SHOW DIFFRENCE BETWEEN 2 ".TIF " FILE VERSIONS IN ANOTHER OUTPUT ".TIF" FILE....


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#4
November 17, 2015 at 03:11:14
What you're asking would be a process to compare two pictures pixel by pixel. But even then you might not get anything worthwhile because even pictures which look the same will not have the same files unless they're copies of one another. You might want to google something like "pixel by pixel" compare for some ideas on what is available or the process involved.

If you could use FC or some other utility and copy the differences between the two pictures in your example to a third file it would not be a picture of a circle. It would just be a jumble of code.

The closest thing now 'for the masses' is photoshop or other photo editing software.

message edited by DAVEINCAPS


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#5
November 17, 2015 at 04:49:07
Also, please don't type in all caps. It's considered rude/yelling and is very difficult to read.

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#6
November 17, 2015 at 06:47:52
In addition, TIF files are LZW compressed, to reduce the file size.
So you have to decompress the files at first or you have to convert the TIF files to BMP file, which is uncompressed file format and can be compared pixel by pixel.

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#7
November 17, 2015 at 08:00:24
Are the images you want to compare the same number of
pixels high and the same number of pixels wide?

What program are you currently using to edit images?

-- Jeff, in Minneapolis


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