Photo-finish - Revision history

Oleg: /* Line scan with Elphel */

2018-01-30T22:40:25Z

Line scan with Elphel

← Older revision		Revision as of 22:40, 30 January 2018
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	[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from 2592x8000 and rotated by 90° CCW]]		[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from 2592x8000 and rotated by 90° CCW]]
			[[File:Photofinish example 2.jpeg\|thumb\|500px\|Another sample]]

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Oleg: /* Tips and notes */

2018-01-30T20:26:09Z

Tips and notes

← Older revision		Revision as of 20:26, 30 January 2018
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	* How to process [[JP4#JP4\|JP4]]		* How to process [[JP4#JP4\|JP4]]
	* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.		* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.
	<~~!--* At~~ 2000 fps and PH_HEIGHT=2, The 2592x16384 composite frame consists of 8192 2592x2 stacked frames and covers 4.096 seconds~~.--~~>		* FPS can be controlled by exposure for sensor in a freerun mode or external or internal trigger for sensor in a snapshot mode (TRIG=4)
			<font size='2'>Example: at 2000 fps and PH_HEIGHT=2, The 2592x16384 composite frame consists of 8192 2592x2 stacked frames and covers 4.096 seconds</font>

	==<font color='blue'>Instructions for 353</font>==		==<font color='blue'>Instructions for 353</font>==

Oleg: /* Instructions for 353 */

2018-01-30T20:23:38Z

Instructions for 353

← Older revision		Revision as of 20:23, 30 January 2018
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	* Works in JPEG format		* Works in JPEG format
	* 2 consecutive JPEG photo finish frames can be "seamlessly" joined without any special processing. Demosaicing related artifacts are taken care of in fpga.		* 2 consecutive JPEG photo finish frames can be "seamlessly" joined without any special processing. Demosaicing related artifacts are taken care of in fpga.
			* FPS can be controlled by setting exposure. Setting fps for line scan by programming internal trigger period was not implemented for 353.

	==<font color='blue'>Important notes</font>==		==<font color='blue'>Important notes</font>==

Oleg: /* Instructions for 393 */

2018-01-30T20:19:49Z

Instructions for 393

← Older revision		Revision as of 20:19, 30 January 2018
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	** WOI_HEIGHT=3872		** WOI_HEIGHT=3872
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
	~~<!--~~
	* '''Example 3:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter at '''2000 fps'''		* '''Example 3:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter at '''2000 fps'''
	** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=5		** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=5
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	** TRIG=4		** TRIG=4
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
	~~-->~~

	===Tips and notes===		===Tips and notes===

Oleg: /* Tips and notes */

2018-01-29T20:01:11Z

Tips and notes

← Older revision		Revision as of 20:01, 29 January 2018
Line 108:		Line 108:
	* How to process [[JP4#JP4\|JP4]]		* How to process [[JP4#JP4\|JP4]]
	* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.		* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.
	* At 2000 fps and PH_HEIGHT=2, The 2592x16384 composite frame consists of 8192 2592x2 stacked frames and covers 4.096 seconds.		<!--* At 2000 fps and PH_HEIGHT=2, The 2592x16384 composite frame consists of 8192 2592x2 stacked frames and covers 4.096 seconds.-->



	==<font color='blue'>Instructions for 353</font>==		==<font color='blue'>Instructions for 353</font>==

Oleg: /* Examples */

2018-01-29T20:00:14Z

Examples

← Older revision		Revision as of 20:00, 29 January 2018
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	** WOI_HEIGHT=3872		** WOI_HEIGHT=3872
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
			<!--
	* '''Example 3:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter at '''2000 fps'''		* '''Example 3:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter at '''2000 fps'''
	** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=5		** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=5
Line 102:		Line 102:
	** TRIG=4		** TRIG=4
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
			-->

	===Tips and notes===		===Tips and notes===

Oleg: /* Examples */

2018-01-29T19:59:51Z

Examples

← Older revision		Revision as of 19:59, 29 January 2018
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	** PF_HEIGHT=2		** PF_HEIGHT=2
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
			<!--
	* '''Example 2:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter: '''2000fps'''		* '''Example 2:''' 2592x1936, not changing any frame dimensions, sensor is triggered from internal counter: '''2000fps'''
	** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=1		** COMPRESSOR_RUN=0, WB_EN=0, AUTOEXP_ON=0, EXPOS=400, TRIG=0, COLOR=1
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	** TRIG=4		** TRIG=4
	** COMPRESSOR_RUN=2		** COMPRESSOR_RUN=2
			-->

	===Tips and notes===		===Tips and notes===

Oleg: /* Line scan with Elphel */

2018-01-26T21:49:48Z

Line scan with Elphel

← Older revision		Revision as of 21:49, 26 January 2018
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	==<font color='blue'>Line scan with Elphel</font>==		==<font color='blue'>Line scan with Elphel</font>==

	[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from ~~2592x3872~~ and rotated by 90° CCW]]		[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from 2592x8000 and rotated by 90° CCW]]

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	Due to the Bayer pattern of the sensor the minimal sample height is 2 lines.		Due to the Bayer pattern of the sensor the minimal sample height is 2 lines.




	==<font color='blue'>Instructions for 393</font>==		==<font color='blue'>Instructions for 393</font>==

Oleg at 20:08, 24 January 2018

2018-01-24T20:08:33Z

← Older revision		Revision as of 20:08, 24 January 2018
Line 110:		Line 110:
	* How to process [[JP4#JP4\|JP4]]		* How to process [[JP4#JP4\|JP4]]
	* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.		* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.
	* At 2000 fps, 2592x16384 composite frame covers 8.~~192~~ seconds.		* At 2000 fps and PH_HEIGHT=2, The 2592x16384 composite frame consists of 8192 2592x2 stacked frames and covers 4.096 seconds.

Oleg at 19:40, 24 January 2018

2018-01-24T19:40:14Z

← Older revision		Revision as of 19:40, 24 January 2018
Line 60:		Line 60:

	Due to the Bayer pattern of the sensor the minimal sample height is 2 lines.		Due to the Bayer pattern of the sensor the minimal sample height is 2 lines.




	==<font color='blue'>Instructions for 393</font>==		==<font color='blue'>Instructions for 393</font>==
Line 108:		Line 111:
	* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.		* To '''seamlessly''' join 2 consecutive JP4 photo finish frames - their pixels has to be joined before demosaicing. Otherwise demosaicing algorithm will create a seam.
	* At 2000 fps, 2592x16384 composite frame covers 8.192 seconds.		* At 2000 fps, 2592x16384 composite frame covers 8.192 seconds.



	==<font color='blue'>Instructions for 353</font>==		==<font color='blue'>Instructions for 353</font>==

← Older revision		Revision as of 22:40, 30 January 2018
Line 38:		Line 38:

	[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from 2592x8000 and rotated by 90° CCW]]		[[File:Elphelimg 1015229 a.jpeg\|thumb\|500px\|This image is downsized from 2592x8000 and rotated by 90° CCW]]
			[[File:Photofinish example 2.jpeg\|thumb\|500px\|Another sample]]

	{\| class='wikitable'		{\| class='wikitable'