[OpendTect_Users] Importing digitized seismic images.

[曾剑]

 Dear , ALL
As Alex said in your last OD users mail:
> I wonder if there is a way to import digitized seismic images (as JPEG
> or TIFF files) into OpendTect so we can interpret them? If so, how to
> proceed?
Our company has a self-developed software which can convert digitized
seismic images (as JPEG or TIFF files) into segy format, It's truely a new
software and the result is noticeable better than other competitors. So, if
you have a lot of seismic images need to be convert, Would you please
contact us and make a free evaluation? By the way, we just provide service
not sell our software.

Best regards,

ZENG Jian


2014-01-31 Gordon MacMillan <gmacmillan at canesis.net>:

> I've been in the business of vectorizing tiff images of seismic sections
> since the early 90s and I'm always surprised by how little known this
> technology is in the industry. This may be because most of the more
> advanced
> software is developed in Europe, specifically Britain, by small companies
> without global reach that are focussed, as we are, on services and
> speculative projects, not software sales.
>
> There are many examples of the successful application of seismic
> vectorizing, notably the large discoveries made in India in the 1990s by
> Cairn Energy, who re-interpreted vectorized seismic data over acreage
> abandoned by Shell. My company was heavily involved in that project.
>
> It is important to be aware that not all of the software available is
> equal.
> Most of it detects only the black peaks of each seismic trace and outputs a
> series of square waves that are filtered to produce a semblance of seismic
> data. I appreciate that this might suffice for some applications.
>
> At the high-end are software packages that follow the waveform, tracking
> the
> negative-going wiggle part of the trace as well as the in-filled peaks.
>
> Clearly the output quality is constrained by the condition of the original
> hard-copy section, the care with which it is scanned and the subsequent
> processing of the image prior to vectorizing. It is also clear that the
> dynamic range of the output cannot exceed the dynamic range recorded on the
> hard copy.
>
> If a good quality segy conversion is required, I would suggest that the job
> is farmed out to a specialist contractor.
>
> Gordon MacMillan
> gmacmillan at canesis.net
>
>
>
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