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Visage Technologies strives to minimize changes in API and configuration files when releasing new versions of the SDK. The inevitable changes are listed here together with specific instructions for developers who have existing applications built with older versions.

For each visage|SDK release, incremental changes in relation to the previous release are listed. To apply the changes correctly, apply them in order from the older version to the newer version without skipping intermediary versions.

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visage|SDK 8.7

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visage|SDK 8.6.1

General

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titleConfigurable neural network runners

To improve the performance of our algorithms and to support a wider variety of neural network models we are introducing a configurable framework for choosing between different neural network runners.

As a result, additional configuration file NeuralNet.cfg is now included in visage|SDK (located in Samples/data). This file allows the users to configure which runner will be used by visage|SDK. Users can choose between:

  • Visage's in-house developed runner and

  • OpenVINO™ toolkit.

For more information on the parameters of NeuralNet.cfg file see the API page.

OpenVINO is a trademark of Intel Corporation or its subsidiaries.

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titleConfigurable tracking algorithm

New experimental algorithm for face tracking and alignment introduced - VNN algorithm.

For the price of slightly reduced tracking speed/performance, it significantly improves tracking quality and robustness. VisageTracker and VisageFeaturesDetector can be configured to use VNN algorithm via configuration parameter - use_vnn.

For more information on use_vnn parameter, please consult VisageTracker Configuration Manual and VisageTracker class documentation.

Info

It is recommended to use VNN algorithm with OpenVINO™ toolkit which significantly improves speed of running neural networks thus mitigating any performance reductions.

OpenVINO is a trademark of Intel Corporation or its subsidiaries.

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titleUnity projects distribution changes

VisageTrackerUnityDemo sample applicationisdistributed as a Unity projects, not as a prebuilt application.

Build and run instruction are provided in the VisageTrackerUnityDemo sample documentation

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Info

Instructions on visage|SDK integration with Unity can be found here

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visage|SDK 8.5

Changes in configuration file

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