Nidelva river through Trondheim Norway

Nidelva river through Trondheim Norway
by Saaru Lindestokke                

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I wasn't matching the compression type before, which at least partially resulted in a larger file size. In case someone comes across this question and is curious, here are the results of a shoot-out of various programs, rotating a 21.3 MB TIFF file 90° counterclockwise, matching for compression type (LZW) and byte order (big-endian) (if given the option): ...


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It is possible and even trivial but I am not aware of any application to do that task specifically. There reason why the file size changes when rotated is that TIFF files are encoded losslessly as one would compress a stream of pixels components from one corner of the image to the opposite one. If you consider Run-Length-Encoding (RLE) which a common TIFF ...


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pixel has different meaning in spheres of display technology and sensor technology. pixel of RGB Bayer sensor is represented by only one number (roughly one colour) while pixel of most of RGB graphic displays is represented by three numbers. The number of pixels noted on cameras is not the number of dots divided by four - it is actual number of dots on the ...


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Basically, a RAW file stores data directly from the sensor of your camera. Most DSLR are using what is called a Bayer filter (https://en.wikipedia.org/wiki/Bayer_filter) to retrieve information about color. Usually, for 4 "pixels" (sensitive elements), 2 are used to get information about green, 1 for red and 1 for blue. However, keep in mind that this sensor ...


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By exporting to TIFF (and any other format using RGB pixels) you lose the ability to use different demosaicing algorithms. Demosaicing influences noise reduction, picture sharpness and false color (moire) reduction. The future color and exposure manipulation is not affected (assuming sufficient bit depth - 16 bit TIFF).



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