Leadership Team:

Name Affiliation
Ben Cox University College London
Janek Gröhl German Cancer Research Center (DKFZ)
Lina Hacker University of Cambridge

Mission:

Our overarching goal is to enable intercomparison of photoacoustic imaging (PAI) data between different users (scientific groups / industries). To achieve this goal the Data Acquisition and Management (DAM) theme is conducting work towards three main goals:

Goal 1 is to define an essential list of metadata to fully characterise the format of PAI data acquired from commercial and custom-built PAI instruments and to transfer the device-specific data of instruments within the consortium to an open access database. Goal 2 is to implement an open source tool that enables conversion to the prior agreed standardized data format (HDF5). Goal 3 is to provide an open-access platform for PA reference data that can be used for comparison of processing algorithms etc.

Progress:

A table summarizing information on the technical specifications of all PAI systems that are used within the consortium has been created and three main recommendations have been made: (1) To initially only include raw time series data into the standardization, (2) To use HDF5 as the standardized file format, and (3) To create a standardized list of metadata parameters. Furthermore, the working group has formulated a plan to create an open source conversion tool between data formats.

Proposed deliverables:

Towards goal 1:

  1. Consensus document: This document aims to define a comprehensive list of necessary parameters to fully characterise PAI data. IPASC consensus should be reached on:

  2. (1) Definitions of the required terminology.
    (2) A detailed description of the metadata parameters identified as being essential to characterize PA devices.
    (3) Definition of the physical units and data format of the respective parameters.

  3. Strategy document: This document aims to describe the steps necessary to set up a PA device database. IPASC consensus should be reached on:

  4. (1) A device data collection strategy.
    (2) A device data storage strategy (containing e.g. the database format).
    (3) A tool to transfer the technical information of the PAI devices to the created database.

Towards goal 2:

  1. Software tool: The software tool should be able to provide conversion functionality from multiple different proprietary formats to the agreed HDF5 format including all metadata. This entails:

  2. (1) A requirement analysis: Collection of all requirements for the tool.
    (2) Setup of a code repository: A repository that contains the implementation of the converters.

Towards goal 3:

  1. Strategy document: This document aims to describe a strategy how to create an open access data repository for the reference data sets. IPASC consensus should be reached on:

  2. (1) The ideal composition of a reference data set for comparison of processing algorithms.
    (2) A hosting strategy (single data items; data sets; Application programming interface (API) access)
    (3) A reporting strategy (referencing of raw data sets after processing; computed metrics)