USC at THUMOS 2014

نویسندگان

  • Chen Sun
  • Ram Nevatia
چکیده

We submitted one run for THUMOS 2014 action recognition task. The system used improved dense trajectory features and fisher vector coding. Since testing videos are temporally untrimmed, we applied a sliding window of 100 frames for both training and testing videos. We utilized the background videos by iteratively training SVM classifiers and selecting hard negative samples. Video-level scores were generated by maximum pooling.

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تاریخ انتشار 2014