Crossing the Dunes at Murray Buttes, Sites 54-62, Sols 1353-1659, May 28 2016-Apr 6 2017 |
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Crossing the Dunes at Murray Buttes, Sites 54-62, Sols 1353-1659, May 28 2016-Apr 6 2017 |
 Jan 20 2017, 02:01 PM
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#901
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 Martian Photographer  Group: Members Posts: 352 Joined: 3-March 05 Member No.: 183  |
KAI-2020 is like Mastcam, not the Navcam used in these images--the different FOV might be an issue. I'm not aware of any Mastcam capability to use the JPL DD-detection code. I suspect the Navcams (buffered frame transfer & electronic shutter, same hardware as Spirit) could use the code, but not in the current flight software.
Spirit's automated detections were used, at least, in the Greeley et al. 2010 dust devil climatology. |
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Jan 20 2017, 02:13 PM
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#902
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 Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
QUOTE (fredk @ Jan 20 2017, 06:14 AM)  Well, there was the automatic DD-detection code used by Spirit: https://www.researchgate.net/publication/25..._the_MER_Rovers Yep, that's what I was thinking of, but couldn't find the link to! If a rover has 17 "eyes" then a bit of processing power to add reflexes so it "reacts and remembers" when something around it changes quickly makes sense. That way, off duty nav-cams catch dust devils, or mardi catches wind swirling around the rover or morning frost. |
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Jan 20 2017, 02:21 PM
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#903
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Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
QUOTE (Deimos @ Jan 20 2017, 03:01 PM) KAI-2020 is like Mastcam, not the Navcam used in these images--the different FOV might be an issue. I'm not aware of any Mastcam capability to use the JPL DD-detection code. I suspect the Navcams (buffered frame transfer & electronic shutter, same hardware as Spirit) could use the code, but not in the current flight software. Spirit's automated detections were used, at least, in the Greeley et al. 2010 dust devil climatology. Good point, I'd missed that, popular press indicates the KAI-2020 chips are on 4 cameras, Mahli, Mardi & 2 Mastcams, not the navcams. |
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Jan 20 2017, 05:55 PM
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#904
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 Senior Member Group: Members Posts: 4246 Joined: 17-January 05 Member No.: 152 |
Clouds on sol 1580:
There are possibly two layers, one moving from 7 to 1 o'clock, and another more diffuse moving 5 to 11-ish. |
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Jan 20 2017, 07:19 PM
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#905
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Senior Member Group: Members Posts: 2820 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
Sol 1584 Navcam L view.
Jan van Driel
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Jan 20 2017, 08:31 PM
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#906
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Senior Member Group: Members Posts: 2511 Joined: 13-September 05 Member No.: 497 |
QUOTE (HSchirmer @ Jan 19 2017, 09:02 PM) A quick bit of searching indicates the cameras use KAI-2020 chips, with "electronic shutters" which (if I read the whitepaper correctly) means the camera sensors stay on and what gets turned on/off is the sensor's connection to data storage. It doesn't work that way. When the camera is off, it's off. It takes a fair amount of power to run the cameras (a few watts), so it's not like they are run more than needed. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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Jan 20 2017, 11:11 PM
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#907
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 Senior Member Group: Members Posts: 2428 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
Looks like a short drive on 1585 to take us towards a target featured in the 1584 'drive direction' L-MastCams (center)
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Jan 21 2017, 12:45 AM
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#908
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Solar System Cartographer Group: Members Posts: 10151 Joined: 5-April 05 From: Canada Member No.: 227 |
Jan's panorama in circular form, sol 1584.
Phil
-------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PD: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Jan 22 2017, 08:56 AM
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#909
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
I would love to see a nice mastcam R portrait of Ireson Hill.
Maybe the elves at rover HQ read this, maybe they don't.... 
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Jan 22 2017, 10:30 AM
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#910
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Senior Member Group: Members Posts: 2428 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
QUOTE (Sean @ Jan 22 2017, 04:56 PM) I would love to see a nice mastcam R portrait of Ireson Hill. Seconded  |
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Jan 22 2017, 11:00 PM
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#911
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Senior Member Group: Members Posts: 2428 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
The pre drive NavCam thumbs for sol 1587 suggest a larger than normal search for DD's
MP reported the drive as ~27.4m South (170º), possibly bypassing Ireson Hill? Heading straight for the gap in the Dunes? Or maybe they have seen a better path to the butte Quick and dirty post drive pan in MS ICE
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Jan 23 2017, 04:46 AM
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#912
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Solar System Cartographer Group: Members Posts: 10151 Joined: 5-April 05 From: Canada Member No.: 227 |
Thanks, Paul - Half a panorama is enough for an unambiguous location, thanks to some big blocks nearby. Here it is in circular form.
On the dust devil front, I now have a dust devil from sol 1545, but nothing earlier. The long sequence on sol 1587 will make a nice movie if any DDs show up. Almost all the DDs I have noted earlier were south of the rover, and only one showed up looking north. Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PD: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Jan 23 2017, 02:31 PM
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#913
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
Posting this here from HiRISE thread as it covers the area around Ireson & beyond, actually that is a better title! Ah well.
Click thru to see the video...  @HiRISE data in Blender/Max/Photoshop/After Effects -------------------- |
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Jan 23 2017, 03:06 PM
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#914
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Senior Member Group: Members Posts: 2820 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
The complete Navcam L view on Sol 1585.
Jan van Driel
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Jan 23 2017, 03:54 PM
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#915
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Solar System Cartographer Group: Members Posts: 10151 Joined: 5-April 05 From: Canada Member No.: 227 |
Great movie, Sean!
DDs on sol 1585 - here's one:
There are two very faint ones in the late day sequence as well. Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PD: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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