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SOCIA Lab. - Soft Computing and Image Analysis Group 

Department of Computer Science, University of Beira Interior, 6201-001 Covilhã, Portugal

hugomcp@di.ubi.pt

 

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P-DESTRE

Fully Annotated Datasets for Pedestrian Detection, Tracking, Re-Identification and Search from Aerial Devices

 

  


Dataset


The P-DESTRE dataset is the result of a joint effort from researchers at the University of Beira Interior (Portugal) and at the JSS Science and Technology University (India). In order to enable the research on pedestrian identification from aerial data, a set of "DJI Phantom 4" drones controlled by human operators flied over different scenes of the campus of both universities, acquiring data that simulate the everyday conditions in outdoor urban crowded environments. All the subjects in the dataset offered explicitly as volunteers and they were asked to simply ignore the UAVs (Fig. 1), that were flying at between 5.5 and 6.7 meters height, with the camera pitch angles varying between 45º to 90º. Volunteers were mostly in the 18-24 age interval (> 90%), roughly divided into two halves for gender (approx 65% males), and ethnicity (”white” and ”Indian”). About 28% of the volunteers were using glasses, 10% of these were using sunglasses. Data were recorded at 30fps, with 4K spatial resolution (3,840 × 2,160), and stored in ”mp4” format, with H.264 compression.

Image Acquisition Framework

Camera: 1/2.3” CMOS, Effective pixels:12.4 M

Frame Size: 3,840 x 2,160

Lens 0 FOV 94° 20 mm (35 mm format equivalent) f/2.8 focus at ∞

ISO Range: 100-3200

Camera Pitch Angle: [45º, 90º]

Drone Altitude: [5.5, 6.7] meters

Format: MP4

Fps: 30


Bit Depth: 24 bit

Volunteers

Total Subjects = 269

Gender: Male: 175 (65%); Female: 94 (35%)


The data acquisition protocol used in all video sessions is depicted in Fig. 1:

Fig 1. Cohesive view of the data acquisition protocol used to obtain the P-DESTRE data sets. Human operators controlled "DJI Phantom 4" aircrafts, flying at between 5.5 and 6.7 meters altitude, in order to simulate the autonomous surveillance of urban scenes. The gimbal pitch angle varied between 45º to 90º. All participating subjects explicitly offered themselves as volunteers for this experiment.





Annotation

The P-DESTRE data sets are fully annotated at the frame level, by providing one text file for each video file (with the same name plus the ".txt" extension), as illustrated in the example below:


Fig 2
. Example of one ".txt" annotation file, providing for each pair subject/frame in the video 26 labels (#frame, #subject ID, bounding box (x4), head pose information (x4) and soft label information (x16)). 


The annotation protocol is as following:



Attribute
Values
Frame 0,1,....
ID 0,1,...
Bounding Box
x, y, h, w (Top left column, top left row, height, width)
Head Pose
flag, yaw, pitch, roll (flag=-1: "Not available", flag=1: "Available") yaw, pitch and roll given in degrees
Gender
0: Male, 1: Female, 2: Unknown
Age 0: 0-11, 1: 12-17, 2: 18-24, 3: 25-34, 4: 35-44, 5: 45-54, 6: 55-64, 7: >65, 8: Unknown
Height 0: Child, 1: Short, 2: Medium, 3: Tall, 4: Unknown
Body Volume (Weight)
0: Thin, 1: Medium, 2: Fat, 3: Unknown
Ethnicity 0: White, 1: Black, 2: Asian, 3: Indian, 4: Unknown
Hair Color
0: Black, 1: Brown, 2: White, 3: Red, 4: Gray, 5: Occluded, 6: Unknown
Hairstyle 0: Bald, 1: Short, 2: Medium, 3: Long, 4: Horse Tail, 5: Unknown
Beard 0: Yes, 1: No, 2: Unknown
Moustache 0: Yes, 1: No, 2: Unknown
Glasses 0: Normal glass, 1: Sun glass, 2: No, 3: Unknown
Head Accessories
0: Hat, 1: Scarf, 2: Neckless, 3: Cannot see, 4: Unknown
Upper Body Clothing
0: T Shirt, 1: Blouse, 2: Sweater, 3: Coat, 4: Bikini, 5: Naked, 6: Dress, 7: Uniform, 8: Shirt, 9: Suit, 10: Hoodie, 11: Cardigan, 12: Unknown
Lower Body Clothing
0: Jeans, 1: Leggins, 2: Pants, 3: Shorts, 4: Skirt, 5: Bikini, 6: Dress, 7: Uniform, 8: Suit, 9: Unknown
Feet 0: Sport Shoe, 1: Classic Shoe, 2: High Heels, 3: Boots, 4: Sandal, 5: Nothing, 6: Unknown
Accessories 0: Bag, 1: Backpack Bag, 2: Rolling Bag, 3: Umbrella, 4: Sport Bag, 5: Market Bag, 6: Nothing, 7: Unknown
Action 0: Walking, 1: Running, 2: Standing, 3: Sitting, 4: Cycling, 5:Exercising, 6: Petting, 7: Talking over the Phone, 8: Leaving Bag, 9: Fall, 10: Fighting, 11: Dating, 12: Offending, 13: Trading




 

Head Pose Statistics

 
A subset of the bounding boxes in the P-DESTRE dataset, with exception to backside view samples, the Deep Head Pose [1] method was used to infer the 3D head pose information, expressed in terms of yaw, pitch and roll angles (provided in degrees). The corresponding statistic are given below (the horizontal axes denote the angles and the vertical axes correspond to the absolute frequency of bounding boxes).


Yaw



Pitch



Roll
 


[1] N. Ruiz, E. Chong and J. Rehg. Fine-Grained Head Pose Estimation Without Keypoints. In proceedings of the  IEEE Conference on Computer Vision and Pattern Recognition (CVPR) Workshops, doi:  10.1109/CVPRW.2018.00281, 2018.



 

Download

 
This dataset is freely available, under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license. Users can share the dataset only if they: 1) give credit to the citation below; 2) do not use the dataset for any commercial purposes, and 3) distribute any additions, transformations or changes to the dataset under this license.

 
Download TAR Files
(38.9GB): [tar

  



Citation


All documents that report research using the P-DESTRE datasets must include an appropriate citation:
 
S.V. Aruna Kumar, Ehsan Yaghoubi, Abhijit Das, B.S. Harish and Hugo Proença. "The P-DESTRE: A Fully Annotated Dataset for Pedestrian Detection, Tracking, Re-Identification and Search from Aerial Devices", arXiv:2004.02782, http://arxiv.org/abs/2004.02782, 2020.
 
Also, a copy of all reports and papers that use the P-DESTRE datasets and are for public or general release must be forwarded upon release or publication to the following email address: hugomcp@di.ubi.pt

 

 

 

 

 

 

 

 

 


 




 

 


 

 

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