SoC - Revision history

Andrey.filippov at 04:58, 3 May 2007

2007-05-03T04:58:12Z

Kbjra: /* Application process */

2007-04-11T17:32:34Z

Application process

← Older revision		Revision as of 17:32, 11 April 2007
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	=== Application process ===		=== Application process ===
	Application process is different. We do not offer any web forms to fill, '''the main tool for submitting your proposals is this wiki''' - you start ~~you~~ proposal page here and place a link to it on this page. In the case your application will be accepted that page will become your project page. Just email us at soc@elphel.com with with additional personal information (same as required at GSoC) and identifying your wiki project name/page. [[Talk:SoC\|Discussion]] section of this article may be a good place to start.		Application process is different. We do not offer any web forms to fill, '''the main tool for submitting your proposals is this wiki''' - you start your proposal page here and place a link to it on this page. In the case your application will be accepted that page will become your project page. Just email us at soc@elphel.com with with additional personal information (same as required at GSoC) and identifying your wiki project name/page. [[Talk:SoC\|Discussion]] section of this article may be a good place to start.

	=== Licensing ===		=== Licensing ===

Andrey.filippov: /* Hardware for the projects */

2007-04-05T15:11:16Z

Hardware for the projects

← Older revision		Revision as of 15:11, 5 April 2007
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	It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country where you live there could be some import or customs difficulties (camera shipments are more regulated than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.		It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country where you live there could be some import or customs difficulties (camera shipments are more regulated than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.

	''Questions? You may get them answered at #elphel@irc.freenode.net''		''Questions? You may get them answered at #elphel@irc.freenode.net (if you ask)''

	'''Good luck !'''		'''Good luck !'''

Andrey.filippov: /* Hardware for the projects */

2007-04-04T07:29:15Z

Hardware for the projects

← Older revision		Revision as of 07:29, 4 April 2007
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	=== Hardware for the projects ===		=== Hardware for the projects ===
	It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country where you live there could be some import or customs difficulties (camera shipments are more regulated than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.		It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country where you live there could be some import or customs difficulties (camera shipments are more regulated than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.

			''Questions? You may get them answered at #elphel@irc.freenode.net''

	'''Good luck !'''		'''Good luck !'''

Andrey.filippov: /* Dates and deadlines */

2007-04-03T22:38:13Z

Dates and deadlines

← Older revision		Revision as of 22:38, 3 April 2007
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	As promised - we are now accepting applications for the [[SoC#Design_Ideas\|projects]] related to the Elphel open hardware.		As promised - we are now accepting applications for the [[SoC#Design_Ideas\|projects]] related to the Elphel open hardware.
	=== Dates and deadlines ===		=== Dates and deadlines ===
	For the mentored work itself we will keep the same dates as GSoC ('''May 28 - August 31, 2007'''), but we start accepting applications later (~~today,~~ '''April 2, 2007''') and the application period will last longer - through '''April 30, 2007''' - full 4 weeks. We will announce our decision who is selected in a week after the end of the application period - on '''May 7, 2007'''.		For the mentored work itself we will keep the same dates as GSoC ('''May 28 - August 31, 2007'''), but we start accepting applications later ('''April 2, 2007''') and the application period will last longer - through '''April 30, 2007''' - full 4 weeks. We will announce our decision who is selected in a week after the end of the application period - on '''May 7, 2007'''.

	Application period is longer because Elphel area of interest is on the border between the software and the hardware (and of course it is free software and open hardware) - it is much less familiar to most of you than many software projects selected for GSoC. You may need more time to find out about us and our projects, to ask us additional questions (via email, IRC, forums or just a phone call).		Application period is longer because Elphel area of interest is on the border between the software and the hardware (and of course it is free software and open hardware) - it is much less familiar to most of you than many software projects selected for GSoC. You may need more time to find out about us and our projects, to ask us additional questions (via email, IRC, forums or just a phone call).

Kbjra: /* Number of students Elphel can accept */

2007-04-03T16:42:27Z

Number of students Elphel can accept

← Older revision		Revision as of 16:42, 3 April 2007
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	=== Number of students Elphel can accept ===		=== Number of students Elphel can accept ===
	We will accept just one to three students - it will depend on how impressed we~~'ll~~ are with your applications.		We will accept just one to three students - it will depend on how impressed we are with your applications.

	=== Application process ===		=== Application process ===

Kbjra: /* Number of students Elphel can accept */

2007-04-03T16:41:53Z

Number of students Elphel can accept

← Older revision		Revision as of 16:41, 3 April 2007
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	=== Number of students Elphel can accept ===		=== Number of students Elphel can accept ===
	We will accept just one to three students - it will depend on how we'll ~~be impressed by~~ your applications.		We will accept just one to three students - it will depend on how impressed we'll are with your applications.

	=== Application process ===		=== Application process ===
	Application process is different. We do not offer any web forms to fill, '''the main tool for submitting your proposals is this wiki''' - you start you proposal page here and place a link to it on this page. In the case your application will be accepted that page will become your project page. Just email us at soc@elphel.com with with additional personal information (same as required at GSoC) and identifying your wiki project name/page. [[Talk:SoC\|Discussion]] section of this article may be a good place to start.		Application process is different. We do not offer any web forms to fill, '''the main tool for submitting your proposals is this wiki''' - you start you proposal page here and place a link to it on this page. In the case your application will be accepted that page will become your project page. Just email us at soc@elphel.com with with additional personal information (same as required at GSoC) and identifying your wiki project name/page. [[Talk:SoC\|Discussion]] section of this article may be a good place to start.

Kbjra: /* T-shirts */

2007-04-03T16:40:37Z

T-shirts

← Older revision		Revision as of 16:40, 3 April 2007
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	We will post here just the important diffs - feel free to post questions into [[Talk:SoC\|discussion]] section of this wiki article.		We will post here just the important diffs - feel free to post questions into [[Talk:SoC\|discussion]] section of this wiki article.
	=== T-shirts ===		=== T-shirts ===
	Elphel will send you our [[Media:Lt2005ts2c.jpeg\|T-shirts]] [[Image:Lt2005ts2c.jpeg\|frame\|[[Media:Lt2005ts2.jpeg\|Elphel T-shirts at LinuxTag]]]] even if they ~~may be~~ not as cool as GSoC ones.		Elphel will send you our [[Media:Lt2005ts2c.jpeg\|T-shirts]] [[Image:Lt2005ts2c.jpeg\|frame\|[[Media:Lt2005ts2.jpeg\|Elphel T-shirts at LinuxTag]]]] even if they are not as cool as GSoC ones.

	=== Number of students Elphel can accept ===		=== Number of students Elphel can accept ===
	We will accept just one to three students - it will depend on how we'll be impressed by your applications.		We will accept just one to three students - it will depend on how we'll be impressed by your applications.

Andrey.filippov: /* Electronic Rolling Shutter Distortion Compensation */

2007-04-02T16:59:01Z

Electronic Rolling Shutter Distortion Compensation

← Older revision		Revision as of 16:59, 2 April 2007
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	To some extent the effect of moving camera can be compensated by post-processing of the video, estimating the movement of the camera by comparing consecutive frames and assuming that the accelerations (changes in camera movement/rotation speed) during a single frame were low. This seem to be implemented in [http://www.guthspot.se/video/deshaker.htm#rolling%20shutter%20setting Deshaker for VirtualDub]		To some extent the effect of moving camera can be compensated by post-processing of the video, estimating the movement of the camera by comparing consecutive frames and assuming that the accelerations (changes in camera movement/rotation speed) during a single frame were low. This seem to be implemented in [http://www.guthspot.se/video/deshaker.htm#rolling%20shutter%20setting Deshaker for VirtualDub]

	The quality of correction could be higher if the movement of the camera was tracked with higher temporal resolution. There are other applications that require high resolution (and precision) imagery that could benefit from such system. This can be tested by converting a camera (or one of the several sensors of the same camera - see [[10353#10359\|sensor multiplexer board]) into an "optical mouse". Regular optical mice have tiny cameras (with usually just 16x16 or 32x32 pixel resolution) running at a high frame rate and calculating correlation between images. Similar could be done with the Elphel reconfigurable hardware - run a small window on a regular sensor board and port/implement correlation code in the FPGA.		The quality of correction could be higher if the movement of the camera was tracked with higher temporal resolution. There are other applications that require high resolution (and precision) imagery that could benefit from such system. This can be tested by converting a camera (or one of the several sensors of the same camera - see [[10353#10359\|sensor multiplexer board]]) into an "optical mouse". Regular optical mice have tiny cameras (with usually just 16x16 or 32x32 pixel resolution) running at a high frame rate and calculating correlation between images. Similar could be done with the Elphel reconfigurable hardware - run a small window on a regular sensor board and port/implement correlation code in the FPGA.

	Supplementing recorded images/video from the main sensor with precise orientation/position of the camera during each line exposure will allow correction of the ERS distortion during post-processing.		Supplementing recorded images/video from the main sensor with precise orientation/position of the camera during each line exposure will allow correction of the ERS distortion during post-processing.

Andrey.filippov: /* Hardware for the projects */

2007-04-02T16:54:42Z

Hardware for the projects

← Older revision		Revision as of 16:54, 2 April 2007
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	=== Hardware for the projects ===		=== Hardware for the projects ===
	It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country you there could be some import or customs difficulties (camera are more ~~expensive~~ than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.		It is difficult (but not impossible) to work with the hardware if you do not have it in hands. We plan to provide each of the students with '''our latest hardware (model 353 camera) that will remain yours''' after the summer will be over. Depending on the country where you live there could be some import or customs difficulties (camera shipments are more regulated than T-shirts) so while working on their resolution (hoping it will not take long) we will provide you with online access to the individual cameras in our facility - the author of one of the first video streamers for Elphel earlier cameras had only remote Internet access to the hardware.

	'''Good luck !'''		'''Good luck !'''



	== Design Ideas ==		== Design Ideas ==