we collected a new dataset using publicly available YouTube volleyball videos. We annotated 4830 frames that were handpicked from 55 videos with 9 player action labels and 8 team activity labels. We used frames from 2/3 rd of the videos for training, and the remaining 1/3 rd for testing. The list of action and activity labels and related statistics are tabulated in following tables. Group Activity Class No. of Instances Right set 644 Right spike 623 Right pass 801 Right winpoint 295 Left winpoint 367 Left pass 826 Left spike 642 Left set 633 Action Classes No. of Instances Waiting 3601 Setting 1332 Digging 2333 Falling 1241 Spiking 1216 Blocking 2458 Jumping 341 Moving 5121 Standing 38696 Notes - The dataset is 55 videos. Each video has a directory for it with sequntial IDs (0, 1...54) - Train Videos: 1 3 6 7 10 13 15 16 18 22 23 31 32 36 38 39 40 41 42 48 50 52 53 54 - Validation Videos: 0 2 8 12 17 19 24 26 27 28 30 33 46 49 51 - Test Videos: 4 5 9 11 14 20 21 25 29 34 35 37 43 44 45 47 - Inside each video directory, a set of directories corresponds to annotated frames (e.g. volleyball/39/29885) - Each frame directory has 41 images (20 images before target frame, target frame, 20 frames after target frame) - You can use such window as your temporal window. - Scences change in fast manner in volleyball, hence frames beyond that window shouldn't represent belong to target frame most of time. - In our work, we used 5 before and 4 after frames. - Each video directory has annotations.txt file that contains selected frames annotations. - Each annotation line in format: {Frame ID} {Frame Activity Class} {Player Annotation} {Player Annotation} ... - Player Annotation corresponds to a tight bounding box surrounds each player - Each {Player Annotation} in format: {Action Class} X Y W H ============================================== Informal info: - Following is a list of youtube videos. Downloading the video and extracting the frames with correct resolution, bit rate..etc might be challenging. 0 150718 FIVB World Grand Prix 2015그랑프리 China vs USA 720P 1 Brazil vs Russian Fed. - Women's Volleyball Quarterfinal _ London 2012 2 Brazil vs USA - Women's Volleyball Final - London 2012 Olympic Games 3 Live - Brazil vs China - FIVB World Grand Prix Finals 2015 4 Live - Brazil vs France - FIVB Volleyball World League Finals 2015 5 Live - Brazil vs Japan - FIVB World Grand Prix Finals 2015 6 Live - Brazil vs Russia - FIVB World Grand Prix Finals 2015 7 Live - Brazil vs USA - FIVB Volleyball World League Final 2015 8 Live - China vs Italy - FIVB World Grand Prix Finals 2015 9 Live - China vs Russia - FIVB World Grand Prix Finals 2015 10 Live - France vs Poland - FIVB Volleyball World League Final 2015 11 Live - Italy vs Brazil - FIVB World Grand Prix Finals 2015 12 Live - Italy v Turkey - FIVB Volleyball Girls' U18 World Championship Peru 2015 13 Live - Italy vs Japan - FIVB World Grand Prix Finals 2015 14 Live - Italy vs Russia - FIVB World Grand Prix Finals 2015 15 Live - Japan vs China - FIVB World Grand Prix Finals 2015 16 Live - Japan vs Russia - FIVB World Grand Prix 2015 17 Live - Poland vs Italy - FIVB Volleyball World League Final 2015 18 Live - Serbia vs France - FIVB Volleyball World League Finals 2015 19 Live - Serbia vs Poland - FIVB Volleyball World League Final 2015 20 Live - USA vs Brazil - FIVB World Grand Prix Finals 2015 21 USA vs China _ 26 July 2015 _ Week 5 _ Final Round _ 2015 FIVB World Grand Prix 22 Live - USA vs France - FIVB Volleyball World League Final 2015 23 Live - USA vs Italy - FIVB World Grand Prix Finals 2015 24 Live - USA vs Japan - FIVB World Grand Prix Finals 2015 25 Live - USA vs Poland - FIVB Volleyball World League Finals 2015 26 Live - USA vs Russia - FIVB World Grand Prix Finals 2015 27 Live - USA vs Serbia - FIVB Volleyball World League Final 2015 28 Men's Volleyball Pool B - BRA v SRB _ London 2012 Olympics 29 Men's Volleyball Pool B - BRA v USA _ London 2012 Olympics 30 Men's Volleyball Preliminary - BRA v GER _ London 2012 Olympics 31 Men's Volleyball Preliminary Round - AUS v POL _ London 2012 Olympics 32 Men's Volleyball Preliminary Round - RUS v SRB _ London 2012 Olympics 33 Men's Volleyball Preliminary Round USA v TUN - Highlights _ London 2012 Olympics 34 Men's Volleyball Quarter-Finals - BUL v GER _ London 2012 Olympics 35 Men's Volleyball Quarterfinals - ITA vs USA _ London 2012 Olympics 36 Men's Volleyball Quarter-Finals - POL v RUS _ London 2012 Olympics 37 Volleyball - Men - BRA-RUS - London 2012 Olympic Games 38 Volleyball - Men - BRA-TUN - London 2012 Olympic Games 39 Volleyball - Men Bronze Final - London 2012 Olympic Games 40 Volleyball - Men Gold Final & VC RUS-BRA - London 2012 Olympic Games 41 Volleyball - Men RUS-USA - London 2012 Olympic Games 42 Volleyball - Men SF 2 BRA-ITA - London 2012 Olympic Games 43 Volleyball Men's Preliminary Pool A Italy v Bulgaria - Full Replay _ London 2012 Olympics 44 Volleyball - Women Bronze Final JPN-KOR - London 2012 Olympic Games 45 Volleyball - Women SF 2 BRA-JPN - London 2012 Olympic Games 46 Women's Volleyball Pool A - ITA v JPN _ London 2012 Olympics 47 Women's Volleyball Pool A - ITA v RUS _ London 2012 Olympics 48 Women's Volleyball Pool A - JPN V GBR _ London 2012 Olympics 49 Women's Volleyball Pool B - BRA v TUR _ London 2012 Olympics 50 Women's Volleyball Pool B - Korea v USA _ London 2012 Olympics 51 Women's Volleyball Pool B - CHN v KOR _ London 2012 Olympics 52 Women's Volleyball Pool B - USA v Brazil _ London 2012 Olympics 53 Women's Volleyball Preliminary Round - ITA v ALG _ London 2012 Olympics 54 Women's Volleyball Quarter Finals - JPN v CHN _ London 2012 Olympics