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Data collection and video annotation: weapon detection on the streets

The system allowed identifying weapons in 99% of images of people on the streets and indoors

Industry and use case:

Video systems and video analysis

Data:

100 hours of video for annotation

Project duration:

28 days

Our Challenge:

The client’s task was to create a system for recognizing weapons on people in the streets of a large city. To achieve this, it was necessary to create the required data domain and perform weapon detection in public areas and streets. There were no open datasets with weapons, and web scraping provided an insufficient amount of data. The client didn’t know how to organize the data collection process, so they turned to Training Data

Our Solution:

To create the necessary data domain, we formed several groups of extras, provided them with replica weapons of various sizes, and mapped routes in the city so that the extras would frequently appear on the external surveillance cameras. Each extra participated in shooting 10 scenes: 5 indoors and 5 on the streets. Subsequently, videos from the cameras were collected and provided to a team of assessors for conducting bounding box detection

Outcome:

  • The client received a high-quality dataset according to the technical specifications and trained a neural network with a 99% weapon recognition rate
  • From scratch, within a tight timeline, the process of collecting staged videos and photos was organized, and a methodology was outlined for similar tasks

Stages of work

  • Application

    /01
    Leave a request on the website for a free consultation with an expert. Th e acco unt manager will guide you on the services, timelines, and price

  • Free pilot

    /02
    We will conduct a test pilot project for you and provide a golden set, based on which we will determine the final technical requirements and approve project metrics

  • Agreement

    /03
    We prepare a contract and all necessary documentation upon the request of your accountants and lawyers

  • Workflow customization

    /04
    We form a pool of suitable tools and assign an experienced manager who will be in touch with you regarding all project details

  • Quality control

    /05
    Data uploads for verification are done iteratively, allowing your team to review and approve collected/annotated data

  • Post-payment

    /06
    You pay for the work after receiving the data in agreed quality and quantity

Timeline

  • 24 hours
    Application
  • 24 hours
    Consultation
  • 1 to 3 days
    Pilot
  • 1 to 5 days
    Conducting a pilot
  • 1 day to several years
    Carrying out work on the project
  • 1 to 5 days
    Quality control
You pay for the work after you have received the data
in the established quality and quantity

Why
Training Data

  • Quality Assurance:
  • Enhanced Data Accuracy
  • Consistency in Labels
  • Reliable Ground Truth
  • Mitigation of Annotation Biases
  • Cost and Time Efficiency
  • Data Security and Confidentiality:
  • GDPR Compliance
  • Non-disclosure agreement
  • Data Encryption
  • Multiple data storage options
  • Access Controls and Authentication
  • Expert Team:
  • 6 years in industry
  • 35 top project managers
  • 40+ languages
  • 100+ countries
  • 250k+ assessors
  • Flexible and Scalable Solutions:
  • 24/7 availability of customer service
  • 100% post payment
  • $550 minimum check
  • Variable Workload
  • Customized Solutions
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