Re: fast video encoding

2009-08-04 Thread greg
Rhodri James wrote: Unfortunately, water pixels change a lot from frame to frame, even when the camera is static, so it doesn't gain you as much as you might hope in cases like you mention. In the case mentioned, the water is of no interest, so it could be removed altogether by a suitable

Re: fast video encoding

2009-08-03 Thread Rhodri James
On Sun, 02 Aug 2009 03:44:17 +0100, sturlamolden sturlamol...@yahoo.no wrote: On 29 Jul, 10:14, gregorth gregor.thalham...@gmail.com wrote: for a scientific application I need to save a video stream to disc for further post processing. I have worked a bit on this as well. There are two

Re: fast video encoding

2009-08-01 Thread sturlamolden
On 29 Jul, 10:14, gregorth gregor.thalham...@gmail.com wrote: for a scientific application I need to save a video stream to disc for further post processing. I have worked a bit on this as well. There are two things that make scientific applications different form common video encoding:

Re: fast video encoding

2009-07-31 Thread Scott David Daniels
gregorth wrote: for a scientific application I need to save a video stream to disc for further post processing. My cam can deliver 8bit grayscale images with resolution 640x480 with a framerate up to 100Hz, this is a data rate of 30MB/s. Writing the data uncompressed to disc hits the data

Re: fast video encoding

2009-07-31 Thread David Bolen
gregorth gregor.thalham...@gmail.com writes: I am a novice with video encoding. I found that few codecs support gray scale images. Any hints to take advantage of the fact that I only have gray scale images? I don't know that there's any good way around the fact that video encoding is simply

fast video encoding

2009-07-29 Thread gregorth
Hi all, for a scientific application I need to save a video stream to disc for further post processing. My cam can deliver 8bit grayscale images with resolution 640x480 with a framerate up to 100Hz, this is a data rate of 30MB/s. Writing the data uncompressed to disc hits the data transfer limits

Re: fast video encoding

2009-07-29 Thread Marcus Wanner
On 7/29/2009 4:14 AM, gregorth wrote: Hi all, for a scientific application I need to save a video stream to disc for further post processing. My cam can deliver 8bit grayscale images with resolution 640x480 with a framerate up to 100Hz, this is a data rate of 30MB/s. Writing the data