ailia SDK Tutorial (C#)

This article explains how to use ailia SDK from Visual Studio and C#, making it possible to easily incorporate AI features into applications developed in C#.

Download Project Files

Samples using ailia SDK from Visual Studio and C# are available on github below.

https://github.com/ailia-ai/ailia-csharp

ailia-csharp repository

Download ailia SDK

The DLLs needed for running C# samples can be found in the ailia SDK that you can download from the link below.

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Build Project

Open the projectailia-csharp.sln, change the Active Platform from Any CPU to x64 and build.

Visual Studio platform settings

Copy ailia.dll included in ailia SDK to /ailia-csharp/ailia-csharp/bin/x64/Debug.For trial versions of ailia SDK, you also need to copy the license file in the same folder.

Run Samples

The sample shows CPU inference of the object detection model YOLOX and the face detection FaceMesh.

YOLOX sample

FaceMesh sample

To perform inference on the GPU, copy not only ailia.dll but also ailia_vulkan.dll and set the gpu_mode variable in AiliaYoloxSample.cs and AiliaFaceMeshSample.cs to true.

Difference between C# for Unity and C# for Visual Studio

API

The C# LowLevel API and Model Class provided for Unity in the Alia SDK can be used in Visual Studio without modification.

ailia SDK Tutorial (Unity)Here is a tutorial on using ailia SDK in Unity, a fast way to perform deep learning inference using Unity with the GPU.medium.com

ailia: ailia Unity Plugin Documentailia-ai.github.io

C# Interfaces

The interface definition files for Unity included in the ailia SDK without modification in Visual Studio C# projects. You can find those in the sample project below.

ailia-csharp/ailia-csharp/ailia-csharp/ailia at main · ailia-ai/ailia-csharpailia SDK example for Visual Studio C#. Contribute to ailia-ai/ailia-csharp development by creating an account on…github.com

Compatilibity with Unity-specific Types

ailia’s interface definition for Unity uses the UnityEngine namespace and some non-standard C# functions such as Debug, Color32, Vector2, and Mathf. The file AiliaMigrattion.cs is provided to define these functions.

ailia-csharp/ailia-csharp/ailia-csharp/ailia/AiliaMigration.cs at main · ailia-ai/ailia-csharpailia SDK example for Visual Studio C#. Contribute to ailia-ai/ailia-csharp development by creating an account on…github.com

Order of Images

Unity handles images in B2T (Bottom To Top) but the C# Bitmap class uses T2B (Top to Bottom), so it must be flipped upside down to be handled in the ailia SDK sample for Unity.

About ailia MODELS Unity

Since the code in ailia MODELS Unity depends on the Unity renderer and textures, the renderer part must be replaced with Bitmap Graphics and the textures with Bitmap. The C# sample project provided versions of YOLOX and FaceMesh with the renderer replaced with Graphics, so you can refer to the rewritten parts.

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