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1     Functions

Visual Instance Identification (OSD-VII):

Receives Visual Object To be identified.
Produces An Instance ID Identifying an element of a set of Visual Objects belonging to a level in a taxonomy.

2     Reference Model

Figure 1 specifies the Reference Model of the Visual Instance Identification (OSD-VII) AIM.

Figure 1 – The Visual Instance Identification (OSD-VII) AIM Reference Model

3    Input/Output Data

Table 1 specifies the Input and Output Data of the Visual Instance Identification (OSD-VII) AIM.

Table 1 – I/O Data of Visual Instance Identification (OSD-VII) AIM

Input Description
Target Visual Object The Visual Object crossed by the line traversing the forefinger of the Entity.
Output Description
Visual Instance Identifier The Identifier of the specific Visual Object belonging to a level in the taxonomy.

4     SubAIMs

No SubAIMs.

5     JSON Metadata

https://schemas.mpai.community/OSD/V1.2/AIMs/VisualInstanceIdentification.json

6     Profiles

No Profiles

7     Reference Software

8     Conformance Testing

Table 2 provides the Conformance Testing Method for OSD-VII AIM.

Note that a schema may contain references to other schemas. In this case, validation of data for the primary schema implies that any data that refers to a secondary schema shall also validate.

Table 2 – Conformance Testing Method for OSD-VII AIM

Receives Visual Object Shall validate against Visual Object schema.
Visual Data shall conform with Qualifier.
Produces Instance ID Shall validate against Instance ID schema.

Table 3 provides an example of MMC-AQM AIM conformance testing.

Table 3 – An example MMC-AQM AIM conformance testing

Input Data Data Type Input Conformance Testing Data
Input Image JPEG All input Text files to be drawn from Image files.
Output Data Data Type Data Format
Object Instance ID Identifier All Identifiers of Visual Objects shall be represented according to Instance Identifier

9     Performance Assessment

An OSD-VII AIM Performance Assessment Report shall be based on the following steps and specify the input visual object dataset and the Taxonomy of visual objects.

For each Recognised Visual Instance Identifier produced by the VII Implementation being Assessed for Performance in response to a Visual Instance provided as input:

  1. Compare the Recognised Visual Instance Identifier with the Identifier provided by the Taxonomy.
  2. Compute the Accuracy of Recognised Visual Instances.

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