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Shot Detection

Python mmcv

Easy-to-use

python shotdetect.py # to process a single video
python shotdetect_p.py # to process a list of videos in parallel

Introduction

Shot detection from videos with useful portals for long complicated videos, e.g., movies scenarios. The repo is based on PySceneDetect, which is under BSD 3-Clause License.

Features

  • Parallel processing.
  • Keyframe saving.
  • Optimal detector that is tested on movie/tv epsoides scenarios, e.g., HSV-LUV joint model.
  • Average sampler.

Misc

The following function could help you to organize the output list file (in the case with three keyframes) into a dictionary.

def read_shot_list(txt_fn):
    list_raw = read_txt_list(txt_fn)
    shot_dict = {}
    for shot_ind, item in enumerate(list_raw):
        shot_dict[str(shot_ind).zfill(4)] = {
            "start": int(item.split(" ")[0]),
            "end": int(item.split(" ")[1]),
            'keyf': int(item.split(" ")[3])
            }
    return shot_dict

Citation

@inproceedings{rao2020local,
title={A Local-to-Global Approach to Multi-modal Movie Scene Segmentation},
author={Rao, Anyi and Xu, Linning and Xiong, Yu and Xu, Guodong and Huang, Qingqiu and Zhou, Bolei and Lin, Dahua},
booktitle={IEEE Conference on Computer Vision and Pattern Recognition (CVPR)},
year={2020}
}

@misc{brandon2018,
author = {Brandon Castellano},
title = {PySceneDetect: Intelligent scene cut detection and video splitting tool},
year = 2018,
howpublished = {\url{https://pyscenedetect.readthedocs.io/en/latest/}},
}