Introduction
Shoeprint is one of the most important and common forms of footprint. Footprints are the traces left on the surface of ground by the treading contacts when people walk, run, climb and jump. They can be divided into bare feet, socks and shoes prints. The research on the analysis and identification of footprint for biological characteristics in China started as early as the 19th century, which has been in the leading position in the world. However, there are still many challenges in footprint research and many potentials to be realized. In particular, the accuracy for footprint-related analysis is often not good enough with big variations, and expert identification is needed. To address these issues, we collected the first large-scale annotated dataset of shoeprints for biological profile estimation, forensic investigation, and sport and health studies based on shoeprints. We hope this dataset can benefit the research community in related studies.
ShoePrints2020 is a dataset of shoeprints by the following licence. It contains 100,000 shoeprints of 50,000 subjects in the ages of 7-80 years old.
Description of ShoePrints2020
The data in ShoePrints2020 were obtained from various cities using the Everspry Outsole Scanner (EverOS™) V2.0. The samples of ShoePrints2020 are shown as Figure 1.
Number of samples
There are 50,000 subjects in the database, and total 100,000 shoeprints while each subject has two shoeprints (left and right shoeprints).
Size
Original:110GB,Shoenet:3.9GB,Demo:98MB
Dataset organization
The dataset is organized according to different age groups, and the name of each folder is age group and number of persons. The name of subfolder in the age group folder is personal ID without duplicates, and the subfolder stores the shoeprints of the same person.
Label information
In the database, each age group folder contains a .TXT file, which records the age information in integrer of all the people in the age group, and the value is 0 in case of any missing information.
Download ShoePrints2020
If you wish to have a copy of ShoePrints2020 for non-commercial research and/or educational use, we can send you the access linkage through our site, after you accept the conditions written in the licence and do the following:
1.Use the ‘Registration’ function. You will be asked to provide your full name, phone number, email address, organization and the purpose of using ShoePrints2020.
2.If you are a researcher/educator registered with an 'edu' in your email address (e.g., missouri.edu or jlu.edu.cn/, the download linkage and password will automatically be sent to you.
3.Otherwise, we will review your request and send download linkage if we approve it.
Licence
You agree the following terms of access for ShoePrints2020 provided by Dalian Everspry Science and Technology Company Ltd (described as Everspry in the following):
1.Scope of confidentiality
You agree not to disclose or provide any the information and data provided by Everspry to a third party, including but not limited to (1) all data in ShoePrints2020; (2) any labeled information. You need keep all the above information as confidential information, as such information plays an important role and commercial value for Everspry.
2.You undertake to terms
（1）ShoePrints2020 should not be used for any purpose other than written in registration. No commercial use of the dataset is allowed unless approved by Everspry.
（2）You should share the code, algorithm, intellectual property rights with Everspry if it is developed based on ShoePrints2020. And it is strictly prohibited to sell, transfer or use such information for any commercial activities without approval of Everspry.
3.Confidentiality period
The confidentiality period of this agreement starts from the sign date until to the date when Everspry make the dataset completely public.
4.Liability for breach of contract
（1）If you fail to comply with the confidentiality in this agreement, you will be liable for breach of contract to Everspry.
（2）In case of any loss to Everspry caused by your breach of contract, you should bear full compensation liability.
5.Application of law and dispute resolution
（1）This Agreement shall be governed by and interpreted in accordance with the laws of the People's Republic of China.
（2）Any dispute arising from or in connection with this Agreement shall be settled through friendly negotiation; if it cannot be settled through friendly negotiation, it should be brought to the court with jurisdiction in the place where Everspry is located.
6.Supplementary
（1）You have known and approved the contents of this licence. If there are any matters not covered in this letter, Everspry will announce it at any time.
（2）This agreement will come into effect after you submit the information and obtains the data download link.
Registration here!
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