ASP and Canon 5D3 mRaw/sRaw images

Bugs & Suggestions
MikeFromMesa
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Re: ASP and Canon 5D3 mRaw/sRaw images

Post by MikeFromMesa »

spoilerhead wrote:imho a "RAW" File is what presents as closely as possible the output of the image sensor itself.
a m/sRAW is what i consider a HDR Jpeg (what it basically is) m/sRAW is demosaiced, thereby can't be "sensor data" anymore.
I guess there are purists and non-purists. I am the latter.

I consider a file to be raw if it acts like a raw file. That is, if all of the adjustment functionality is available with a file that is available with a raw, then I consider it raw. I consider dng to be raw and I consider mRaw and sRaw files to be raw. I guess I go by the standard that if it looks like a duck, swims like a duck and quacks like a duck it is seems reasonable to assume it is a duck or, at least, call it a duck.

I understand that others feel differently and only consider something that mirrors exact sensor data to be raw, but, for me, that standard is too narrow. Anything that acts like a raw file should be considered to be a raw file. In my opinion.

But, beyond my opinion, it seems to me that the latter posts are missing the whole point of the original post. ASP properly handles the mRaw and sRaw images from earlier Canon DSLRs. It does a fine job with those from the 60D and the 7D as well as the 500D so why does it fail with the 5D3? That was the basic question posed in the first post. And, regardless of whether or not users consider mRaw and sRaw images to be truly RAW, if the software properly processed them from earlier cameras surely it is a bug if it does not do so with later cameras.
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Re: ASP and Canon 5D3 mRaw/sRaw images

Post by SteveCase »

MikeFromMesa wrote: But, beyond my opinion, it seems to me that the latter posts are missing the whole point of the original post. ASP properly handles the mRaw and sRaw images from earlier Canon DSLRs. It does a fine job with those from the 60D and the 7D as well as the 500D so why does it fail with the 5D3? That was the basic question posed in the first post. And, regardless of whether or not users consider mRaw and sRaw images to be truly RAW, if the software properly processed them from earlier cameras surely it is a bug if it does not do so with later cameras.
The bug is that they have to reverse engineer the mRAW/sRAW each time a new camera comes out. C1 was also struggling with the
5D3.
Steve in Seattle,WA
MikeFromMesa
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Re: ASP and Canon 5D3 mRaw/sRaw images

Post by MikeFromMesa »

SteveCase wrote: The bug is that they have to reverse engineer the mRAW/sRAW each time a new camera comes out. C1 was also struggling with the
5D3.
I would imagine that is true.

Perhaps it might help if they just put up a message saying that the software does not, at this point, handle mRaw and sRaw images. Dxo does this and at least the user knows why the image cannot be processed. That would have short-circuited this entire thread.
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Re: ASP and Canon 5D3 mRaw/sRaw images

Post by ferdinand-paris »

MikeFromMesa wrote:I guess I go by the standard that if it looks like a duck, swims like a duck and quacks like a duck it is seems reasonable to assume it is a duck or, at least, call it a duck.
I have absolutely no experience at all with these pseudo-RAW formats, but based on what I have read in this thread I would be surprised if they behaved exactly the same as a genuine duck. As I understand it, effective highlight recovery and noise reduction, esp RAW and Impulse noise, both rely on an un-demosaiced file. If these pseudo-RAW formats are demosaiced, then how can these things be as effective? Are they in linear gamma or some other gamma? If JPEG compression is applied, can you produce an uncompressed 16 bit TIFF for editing in Photoshop that is genuinely 16 bit?

I don't want to continue the debate, since it seems to be agreed that it is an undocumented proprietary format, a bit like maker notes in EXIF, but I was puzzled by the assertion that there were no performance costs.

F_P
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Re: ASP and Canon 5D3 mRaw/sRaw images

Post by Terence »

it's a quack in duck's clothing!

:P
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