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Questions tagged [video]

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3 votes
1 answer
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How virtual ads work in stadiums?

I was looking at a technology which enables virtual advertisement on the perimeter ads in soccer. It's relatively an old technology for a few years back, but I'm surprised to see the quality of it. ...
Tina J's user avatar
  • 193
2 votes
0 answers
1k views

object tracking in raw h.264 compressed video

I am working on a project that requires me to detect and track a human in a live video from a webcam connected to a Beagleboard xm. I have completed this task using Opencv in pixel domain. The results ...
bunny's user avatar
  • 21
1 vote
0 answers
77 views

How to calculate the cross-correlation of two signals that have different sizes?

I have two video signals of the same video. One encoded in MPEG format and the other in H.263 format. These signals are represented in .txt files with the frame sizes in an array. I need to calculate ...
user72361's user avatar
1 vote
0 answers
59 views

Is there a way to see video after applying packet loss

I have encoded a video stream using JM using RTP. Then i have applied rtp_loss on it but after that i am unable to decode video. Like in this example a video with different packet loss percentages are ...
james's user avatar
  • 137
0 votes
0 answers
9 views

Is it possible to introduce (banding, moire and other effects) on a presented video that makes it impossible to capture with an iPhone?

an absolute noob here, so possibly a silly question. I wonder if it's possible through video editing, to purposefully induce screen capture distortion effects on a video to such an extent that when ...
Akinator1234's user avatar
0 votes
0 answers
91 views

How can I combine two analogue video signals into one single analogue output?

Once upon a time desktop PCs had a 2D graphics card and a 3D graphics card. A pass through cable connected the 2D into the 3D card, which combined and outputted the two signals over layed. If I had, ...
RoboJ1M's user avatar
  • 101
0 votes
0 answers
58 views

Apply fft on video as 4D array

I working on a project called " eulerian video magnification " and i want to apply FFT on video and get the frequency response from the video . I have gotten 4D array ( frames,width,high,...
younes hajjar's user avatar
0 votes
0 answers
184 views

Convert h264 to VFR mp4 with duplicated frames/timestamps

I have a .h264 video file with a separate text file containing timestamps for each frame in timestamp v2 format. Where the ...
Jaka's user avatar
  • 1
0 votes
0 answers
158 views

API/ Library for re-orienting 360 degree camera frame efficiently

I am trying to correct the orientation of a 360 degree camera frame using roll, pitch and yaw estimates coming from my C++ Extended Kalman Filter (EKF) code. I am interested in using libraries and ...
skr's user avatar
  • 293
-1 votes
1 answer
603 views

How can I convert raw pixel data to AVI video?

I have series of gray-scale 8-bit frames and I want to convert them into AVI video. How can I do this? Is there any existing converting utils or products for this type of task? I even do not ...
stronk_kisik's user avatar
-1 votes
1 answer
198 views

Want to do shot boundary detection via SVM, what are some good features?

I want to do shot boundary detection via SVM's. I'm dividing the frame into nxn blocks. Per block I'm finding these features: shannons entropy edges (H,V,Diag) standard deviation for consecutive ...
user26763's user avatar