Archived posting to the Leica Users Group, 2010/12/21
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]That's why we use Hidden Markov Models. Daniel On Wed, Dec 22, 2010 at 8:34 AM, Nathan Wajsman <photo at frozenlight.eu> wrote: > It's because techies have an inherent interest in making things as complex > as possible. Makes it more fun, and makes it less likely that mere mortals > will see through the hoax. > > Nathan Wajsman > Alicante, Spain > http://www.frozenlight.eu > http://www.greatpix.eu > http://www.nathanfoto.com > PICTURE OF THE WEEK: http://www.fotocycle.dk/paws > Blog: http://www.fotocycle.dk/blog > > YNWA > > > > > > > > On Dec 22, 2010, at 8:04 AM, Richard Man wrote: > >> We have a standing joke of "Small Matter of Programming." :-) >> >> How difficult can it be, just some algorithms and data structures :-) >> >> On Tue, Dec 21, 2010 at 10:58 PM, Geoff Hopkinson <hopsternew at >> gmail.com>wrote: >> >>> Hmm, in military aviation sytems integrations.we had a standing joke >>> (from >>> a >>> "technical expert") that 'it's just a bit of sheet metal work and a >>> simple >>> software change". It never is of course. >>> The point I was making since Richard talked about other 24x36 CMOS >>> sensors >>> is that both the M9 sensor and the required firmware are unique. >>> Leica Camera and Jenoptik might disagree with you that the firmware >>> differences are trivial. Or offer you a job. There's some millions of >>> euro >>> in it. >>> Cheers >>> Geoff >>> http://www.pbase.com/hoppyman >>> >>> >>> On 22 December 2010 16:40, Frank Filippone <red735i at earthlink.net> >>> wrote: >>> >>>> I was in the Semiconductor Industry...... ?Usually , the technology used >>> to >>>> make a product rarely effects the way the device is used (SW) from the >>>> outside of the device.... ?Sure, there are some different "rules" or >>>> ways >>>> of >>>> making it work, but in general, the function and purpose and end goal >>>> determines the SW, not the technology..... >>>> >>>> "Trivial" is pretty relative.... >>>> >>>> The purpose of the SW is to take the data presented by the sensor output >>>> and >>>> format it to the memory location called the SDHC Card. ?In the process, >>> the >>>> data may be filtered in different ways, JPEG'd ( which in itself is a >>>> special filter), or maybe transformed to another color or spatial system >>> or >>>> a combination of any or all of these. >>>> >>>> Whether you use a CCD or a CMOS Image sensor, the process is the same. >>>> Implementation is different, but that is both the trivial ( difference) >>>> part >>>> as well as the "Secret Ingredients" part. ? I personally think Nikon has >>>> done a superb job with their "secret ingredients" in high ISO >>> performance. >>>> >>>> Geoff,,,,, in your response, you actually agree with what I am saying, >>>> in >>>> the technical sense. ?More instructions to do more pixels is "trivial", >>>> It >>>> is really not different, just more of the same..... Using 2 processors >>>> rather than one is also a pretty "trivial" exercise and totally >>> independent >>>> from the technology used to make the sensor.. >>>> >>>> " To provide a plain and neutral image, we do a lot of complex >>>> compensation, >>>> sensor corrections and lens vigentting corrections"... Would have been >>>> needed whether they used a CCD or a CMOS sensor, just "different" >>>> algorithms >>>> or implementations.......to achieve the image goal. >>>> >>>> I do not want to make it sound like all of this is easy.... it certainly >>> is >>>> not. ? But don't go around thinking that because it is CCD or CMOS that >>>> there is massively more work to write the SW ( Actually FW, but who is >>>> going >>>> to be fussy in a name). for one over the other. ?It is the same goal in >>>> either case. ?It is just different. >>>> >>>> >>>> Frank Filippone >>>> Red735i at earthlink.net >>>> >>>> >>>> Do you work in the industry with direct experience? >>>> >>>> I don't, but I know enough that it's not trivial change. >>>> >>>> >>>> >>>> >>>> _______________________________________________ >>>> Leica Users Group. >>>> See http://leica-users.org/mailman/listinfo/lug for more information >>>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >>> >> >> >> >> -- >> // richard <http://www.imagecraft.com/> >> // icc blog: <http://imagecraft.com/blog/> >> // photo blog: <http://www.5pmlight.com> >> [ For technical support on ImageCraft products, please include all >> previous >> replies in your msgs. ] >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >