Questions on the importing/exporting of video files in Mathematica, as well as the use of Mathematica to manipulate video files.

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0answers
32 views

How to export quicktime video as h.264?

I am trying to export sequences of images as quicktime movies. The dafault codec (cinepak) produces low quality and large file sizes. There is little documentation of the other codecs, which can be ...
2
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0answers
124 views

Is there a way to use video codecs for avi files in Mathematica?

I would like to use Mathematica to create compressed .avi video files from image sequences. I read the documentation on .avi but couldn't find a solution. In the documentation it says: ...
0
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1answer
41 views

Determination of export video runtime

I have a huge simulation and tried to export it as a video file (or .gif). However regardlessly what I specify under the Framerate option the video its just running for 4 seconds (too fast). When I ...
5
votes
1answer
171 views

Capture an image by non-default device

Guys! I need capture video from certain webcam which isn't $DefaultImagingDevice. As I know there is one legal way: ...
3
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0answers
95 views

Problem importing individual frames from QuickTime file

I am having difficulties with a code I am trying to run. Essentially I want to Read in a large .mov video file (60000+frames). ...
3
votes
2answers
437 views

video image recognition [closed]

Has anybody experience with video and image recognition? I've made a video of two teams playing soccer. Now I would like to translate each soccer-player to a (x,y) coordinate and follow them during ...
0
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0answers
30 views

Applying Some Kind of Timing Function to AutoRunSequence [duplicate]

Ok, so I'm exporting a video to MOV format that is coming from a manipulate function (I'm demonstrating CLT to a class that doesn't have calculus as a pre-req, if anyone is curious). Anyhow, I'm ...
7
votes
1answer
593 views

Exporting a sequence of graphs as video efficiently

I have a sequence of graphs that are being created within Mathematica which I'm exporting to create an animated plot of the graph, as follows. ...
6
votes
4answers
293 views

How do I overlay corresponding values over each frame of an animation?

I recorded a phenomenon using video capturing (phen.avi, imported into Mathematica) and simultaneous measurement of some electrical properties of that phenomenon (a ...
5
votes
1answer
245 views

Is there an equivalent of “shiftdim” of MATLAB?

Recently I'm spending my time implementing some computer vision algorithms, which usually handle a large amount of data. The problem I'm facing now is that I have to reform my video data to pass it ...
3
votes
1answer
421 views

Exporting a Video of a Simulation of Pendulum Motion

In a series of previous questions, I asked how to solve a series of differential equations describing a series of coupled pendulums, and then how to plot this data by coloring the different pendulums. ...
18
votes
4answers
770 views

How to efficiently import videos

I need to do frame-by-frame analysis of videos. I can import the video files I need, but each file is too large to import at once. I can use the ...
2
votes
2answers
185 views

Import[] bug (video)?

I have the following code: frames = Import["myvideo.avi",{"Frames",{50,60,70}}]; This imports frames 1,2, and 3 of the video, not 50,60 and 70. It imports the ...
2
votes
1answer
826 views

Export Animate command to MOV video

I'm trying to export a rather complex Animate command into a full-HD resolution video, but having no success so far. The animation has around 520 frames (the number ...
5
votes
1answer
671 views

Efficiently exporting many images as a video

I have many .gif images and I would like to export them as a single video file (I prefer .mov, but any video format is fine). But what if I have several tens of megabytes of .gif images? Is it ...
10
votes
2answers
2k views

Changing the speed of exported AVI videos

I am exporting an animation created using Manipulate in the .avi format. However the video runs very fast (I am putting it in ...
28
votes
1answer
2k views

Does Mathematica support variable frame rate for any video format, in analogue of GIF-style “DisplayDurations”?

The good old GIF animation format allows us to set the duration of each individual frame in the animation separately. This is especially useful if some frames in ...
3
votes
1answer
346 views

Take[] and other Mathematica functions with live streams

I have a live video feed that I would like to convert into raw numbers that could be used for a variety of different things. I would also like to do simple operations on these numbers live with as ...
29
votes
4answers
2k views

Importing videos in Mathematica

Mathematica's Import command is purportedly able to import .AVI files. However, I find that many files that I want to import do only result in MMA showing a blank ...