googleba88693c99e7e8ce.html
tel. 22 813 10 29 email: biuro@gravsoft.pl
pon-pt w godz. 8-16

Gravsoft informatyka śledcza

Home Informatyka śledcza - ForensicInformatyka śledcza › Vindex

Vindex

Vindex

Vindex is short for "Video Indexer" and that is what it does.  It plays videos at the highest possible frame rate (up to 64 times the normal playing speed) and captures significant changes in the frame considering these to be "scene changes".  The result is a display on the screen of a relatively small number of frame thumbnails showing you the significant action in the video - without having to sit through the entire thing yourself.  It is quite a bit different than simply playing the video at high speed because that involves simply skipping frames and presenting the frames that are played at about 1/30th of a second each.  Easy to miss something that way.  Vindex doesn't miss things like that at all.

Vindex version 1 was a pretty impressive product in itself.  Now, in version 2 we have added video enhancement.  This means that within the context of Vindex itself you can change the brightness and contrast as well as using a sharpening filter and/or a noise reduction filter.  It will do this on any computer but if you happen to have an NVIDIA graphics card, Vindex will make use of its parallel processing capabilities to significantly speed things up.  If you have an NVIDIA graphics card, Vindex version 2 will also process surveillance video files (H.264 compression) directly.

Vindex version 2 still uses some fairly sophisticated math to notice changes in the video frame-by-frame and applies a trend analysis so as not to miss relatively subtle changes that may not count as a real "scene change".  This is done so as to miss very little and capture a full-resolution still frame for each section of the video that is "significantly different".  The result is a set of frames representing the entire content of the video without having to watch all of it at a slow playback rate.  With the trend analysis it is possible to have very simple controls that do not have to be tuned for each video.

Vindex 2.2 introduces some new capabilities and adds the ability to read surveillance DVR video streams without a NVIDIA GPU.  This release also adds the ability to restrict the area of the frames which are being compared.  This is called Area of Interest or AoI.

For each frame you can individually copy it to the clipboard, print it out or save it as a JPEG picture.  You can also produce reports showing all of the frames.  You can even exclude frames from reports that aren't significant to you but Vindex picked.

Vindex also includes a player - double-click any frame and play the video from that point.  Options are provided to control how far before and after the selected frame is shown.

If you have a lot of videos to process, you can also run them all through in a batch and have reports saved to the same folder as the video files.

Do you think this might save you some time?  We think this is going to make a significant difference in how you work with video.

Vindex has both a 32-bit and 64-bit version to take advantage of the full capabilities of your computer with all 64-bit versions of Windows but still maintain compatibility with 32-bit codecs.

  • Brak komentarzy
Podobne w tej kategorii