motion blur on the hdr-fx1 at DVinfo.net

Joel Corral · December 17th, 2004, 01:54 PM

i went out and shot some surfing footage today down in huntington beach, ca. when i got home to cature the footage i realized that there was a ton of motion blur is there anyway to reduce this? maybe my settings were wrong?

these are the setting i used

f4.0 - 5.4 ND1 - ND2
1/60th
60i
no gain

any help?

thanks

joel

Kevin Dooley · December 17th, 2004, 03:30 PM

Well, generally speaking, the higher the shutter speed, the less blur--too high though and you'll cause stobing. I usually use 1/125th for chroma stuff to cut down on blur when the subject's moving. You might want to give it a try--I don't think that's too stroby...

Joel Corral · December 17th, 2004, 03:37 PM

ok so its the shutter speed. i'll try it thanks a mill!!!!

Joel Corral · December 21st, 2004, 02:45 AM

well i tried shooting at many different shutter speeds but i still get motion blur when i am panning. its ok if i don't have to be to tight but if i am tight and have to pan to keep a surfer in the shot, i get a loss of detail and blur.

i surely don't get type of motion blurring with my Canon GL2.
is there any settings that i can change on the HDR-FX1?

thanks,

joel

Aaron Shaw · December 21st, 2004, 09:03 AM

Joel, a lot of that is due to the limitations of the HDV format. Whenever you have very fast movement you will loose res and get a blurry image.

Barry Goyette · December 21st, 2004, 11:02 AM

Joel,

Just to elaborate on Aarons comment. The HDV format's compression scheme compares frames to maximize the use of it's rather slim data rate. When panning every single pixel of every frame changes, thus the camera must lower the resolution to avoid a train wreck...as the data stream during a pan would surely outpace the max data rate of HDV.

In my eye, this is the single issue that hold's me back from this class of camcorder. My guess is we'll get used to it..just like we got used to the anomalies of DV and progressive scan in days of old.

Barry

Davi Dortas · December 21st, 2004, 11:19 AM

Howevers, when the camera is mainly stationery or on a tripod, the image quality far exceeding that of DV, simply cuz more info bits can be give to the I frames of the GOP stream. That everyone know.

Thusly, you simply dont get artifacts (mosquito, rolling jaggies, blocks) when the scene is very very complex, but would be a mess with DCT-based DV compression. In additions, plus you never will get the type of blocky colors you get with DV.

Having seen high-motion HDV videos, I can say the mpeg2 compressions of HDV is very good (at least Sony implementation is excelllent).

In the near futures, Sony will likely update their MPEG2 encoder for ever better quality and speed.

HDV is much more suited for classic films productions styles where each shot is blocked off. DV is more suited to amateur hour of handheld-type shooting styles.

Davi Dortas · December 21st, 2004, 11:20 AM

I jsut want to include that for preference, I prefer HDV compression over DV, as it is more efficient, so I have no qualmies about switching over to HDV.

December 17th, 2004, 01:54 PM	#1
Joel Corral Major Player Join Date: Nov 2003 Location: Brea, CA Posts: 356	motion blur on the hdr-fx1 i went out and shot some surfing footage today down in huntington beach, ca. when i got home to cature the footage i realized that there was a ton of motion blur is there anyway to reduce this? maybe my settings were wrong? these are the setting i used f4.0 - 5.4 ND1 - ND2 1/60th 60i no gain any help? thanks joel

December 17th, 2004, 03:30 PM	#2
Kevin Dooley Major Player Join Date: Dec 2003 Location: Fort Worth, TX Posts: 414	Well, generally speaking, the higher the shutter speed, the less blur--too high though and you'll cause stobing. I usually use 1/125th for chroma stuff to cut down on blur when the subject's moving. You might want to give it a try--I don't think that's too stroby... __________________ Kevin Dooley Media Director, Pantego Bible Church

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December 17th, 2004, 03:37 PM	#3
Joel Corral Major Player Join Date: Nov 2003 Location: Brea, CA Posts: 356	ok so its the shutter speed. i'll try it thanks a mill!!!!

December 21st, 2004, 02:45 AM	#4
Joel Corral Major Player Join Date: Nov 2003 Location: Brea, CA Posts: 356	well i tried shooting at many different shutter speeds but i still get motion blur when i am panning. its ok if i don't have to be to tight but if i am tight and have to pan to keep a surfer in the shot, i get a loss of detail and blur. i surely don't get type of motion blurring with my Canon GL2. is there any settings that i can change on the HDR-FX1? thanks, joel

December 21st, 2004, 09:03 AM	#5
Aaron Shaw Major Player Join Date: Jul 2004 Posts: 587	Joel, a lot of that is due to the limitations of the HDV format. Whenever you have very fast movement you will loose res and get a blurry image.

December 21st, 2004, 11:02 AM	#6
Barry Goyette Trustee Join Date: Oct 2001 Location: San Luis Obispo CA Posts: 1,195	Joel, Just to elaborate on Aarons comment. The HDV format's compression scheme compares frames to maximize the use of it's rather slim data rate. When panning every single pixel of every frame changes, thus the camera must lower the resolution to avoid a train wreck...as the data stream during a pan would surely outpace the max data rate of HDV. In my eye, this is the single issue that hold's me back from this class of camcorder. My guess is we'll get used to it..just like we got used to the anomalies of DV and progressive scan in days of old. Barry

December 21st, 2004, 11:19 AM	#7
Davi Dortas Membership Suspended Join Date: Oct 2002 Location: Brazil Posts: 78	Howevers, when the camera is mainly stationery or on a tripod, the image quality far exceeding that of DV, simply cuz more info bits can be give to the I frames of the GOP stream. That everyone know. Thusly, you simply dont get artifacts (mosquito, rolling jaggies, blocks) when the scene is very very complex, but would be a mess with DCT-based DV compression. In additions, plus you never will get the type of blocky colors you get with DV. Having seen high-motion HDV videos, I can say the mpeg2 compressions of HDV is very good (at least Sony implementation is excelllent). In the near futures, Sony will likely update their MPEG2 encoder for ever better quality and speed. HDV is much more suited for classic films productions styles where each shot is blocked off. DV is more suited to amateur hour of handheld-type shooting styles.

December 21st, 2004, 11:20 AM	#8
Davi Dortas Membership Suspended Join Date: Oct 2002 Location: Brazil Posts: 78	I jsut want to include that for preference, I prefer HDV compression over DV, as it is more efficient, so I have no qualmies about switching over to HDV.