Faster than real-time detection of shot boundaries, sampling structure and dynamic keyframes in video
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Abstract (arXiv)
The detection of shot boundaries (hardcuts and short dissolves), sampling structure (progressive / interlaced / pulldown) and dynamic keyframes in a video are fundamental video analysis tasks which have to be done before any further high-level analysis tasks. We present a novel algorithm which does all these analysis tasks in an unified way, by utilizing a combination of inter-frame and intra-frame measures derived from the motion field and normalized cross correlation. The algorithm runs four times faster than real-time due to sparse and selective calculation of these measures. An initial evaluation furthermore shows that the proposed algorithm is extremely robust even for challenging content showing large camera or object motion, flashlights, flicker or low contrast / noise.
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References · 4
- 2020TransNet V2: An effective deep network architecture for fast shot transition detectioncited by 171
- 2016Fast Optical Flow using Dense Inverse Searchcited by 71
- 2023AutoShot: A Short Video Dataset and State-of-the-Art Shot Boundary Detectioncited by 23
- 2017Large-scale, Fast and Accurate Shot Boundary Detection through Spatio-temporal Convolutional Neural Networkscited by 12
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