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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22
votes
1answer
1k 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 ...
19
votes
3answers
1k 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 ...
15
votes
2answers
486 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 ...
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 ...
7
votes
1answer
344 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
249 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
203 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 ...
5
votes
1answer
83 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: ...
4
votes
1answer
518 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 ...
3
votes
1answer
314 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 ...
3
votes
1answer
326 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. ...
3
votes
0answers
56 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). ...
2
votes
2answers
270 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 ...
2
votes
1answer
604 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 ...
2
votes
2answers
172 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 ...
0
votes
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 ...