Brainchip Akida x86 Manual de usuario

Akida x86 Evaluation Kit - User Guide

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Akida x86 Evaluation Kit

User Guide

Akida x86 Evaluation Kit - User Guide

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Table of contents

1 INTRODUCTION ................................................................................................................................................... 3

2 SYSTEM INFORMATION ...................................................................................................................................... 3

3 SYSTEM SETUP FOR RUNNING DEMOS & THE AKIDA BOARD EVALUATION ................................................. 3

4 INITIAL SYSTEM CHECK AND SETUP .................................................................................................................. 4

5 AKIDA DEMOS ..................................................................................................................................................... 5

5.1 RUN THE AKIDA DEMOS ................................................................................................................................... 5

5.2 AKIDA KWS DEMO .......................................................................................................................................... 5

5.3 AKIDA CLASSIFICATION DEMO ........................................................................................................................... 6

5.4 AKIDA EDGE LEARNING DEMO ............................................................................................................................ 6

5.5 EDGE FACE RECOGNITION DEMO ......................................................................................................................... 7

5.6 DETECTION DEMO ............................................................................................................................................ 8

6 APPLICATION SETTINGS ..................................................................................................................................... 9

6.1 SWITCH FROM HARDWARE TO SOFTWARE BACKEND ............................................................................................. 9

6.2 TURN ON DISPLAY ABOUT PERFORMANCE ......................................................................................................... 10

6.3 AKIDA DEMO (FLASK) .................................................................................................................................... 10

7 THE AKIDA METATF ML TOOLS ......................................................................................................................... 11

8 SHUTTLE PC RE-INSTALLATION ......................................................................................................................... 12

9 TROUBLESHOOT ................................................................................................................................................ 13

9.1 RUNNING ISSUE .............................................................................................................................................. 13

9.2 ERROR WHEN CHECKING PCI BUS ...................................................................................................................... 13

9.3 FLASK CANNOT START THE CAMERA ................................................................................................................... 13

Version 1.6.6, document revision: a

Akida x86 Evaluation Kit - User Guide

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1 INTRODUCTION

This PC-based system is setup for Akida NSoC ADK1000 testing and evaluation.

The Akida evaluation board is already installed and tested on the Shuttle PC. The Miniconda

virtual environment

is installed along with several demo applications. All demos can run on

the Software backend or the Akida hardware seamlessly.

2 SYSTEM INFORMATION

Evaluation environment description:

• Platform: Shuttle PC, CPU Core i5, i7 or i9 SSD 2.5, and 16GB RAM

• OS: Ubuntu 20.04

• Virtual environment: Miniconda

• Brainchip Mini PCI Express AKD1000 Reference Board

Figure 1: Akida MiniPCIe card

3 SYSTEM SETUP FOR RUNNING DEMOS & THE AKIDA BOARD EVALUATION

To setup the system:

1. Plug in power supply.

2. Plug in keyboard and mouse in the USB ports.

3. Plug camera into USB port.

4. Connect monitor to HDMI or VGA port.

5. Optional: Plug speaker in the audio jack. This is for KWS demo.

See https://doc.brainchipinc.com/installation.html

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4 INITIAL SYSTEM CHECK AND SETUP

‘Out of the box’ procedure:

1. Power up the Shuttle PC

Username: bcdemo

Password: Demo123

2. Check if the Linux OS has enumerated the Akida board.

From a terminal window enter the command:

lspci

The output for Ubuntu 20.04 should include the following for the Akida board.

Co-processor: Device 1e7c:bca1 (rev 01)

3. Verify the PCIe driver is installed and running.

In conda Akida environment, running akida devices command should display the

available backend as shown on the screen shot below.

Open a Terminal window.

Enter:

conda activate akida

And then, enter:

akida devices

The following messages should appear in your terminal window:

Figure 2: Terminal window showing Akida device name

Once your system is up and running you can

- Have a look at the demos installed on your machine (see paragraph 5)

- Run some of the Akida Examples coming from our online Akida documentation

(https://doc.brainchipinc.com/examples/) but already installed on your machine (see

paragraph 7)

- Code your own python program in our conda environment or creating another one,

including your favorite libraries

And don’t forget you can get support from Brainchip using Akida customer support portal:

https://support.brainchip.com/portal/en/signin

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5 AKIDA DEMOS

5.1 RUN THE AKIDA DEMOS

1. Open a terminal window, navigate to /home/bcdemo/akida_demo

2. Enter: conda activate akida

The system is now ready to run the demos.

5.2 AKIDA KWS DEMO

This application uses a MobileNet-like model for "Keyword Spotting" example from akida-

models. The model will take sounds as inputs and will classify them. You will need to plug in

a microphone and speaker on the Shuttle PC front panel. If you have a monitor with

speakers that will work as your sound output. Make sure the settings for input and output

match your microphone and speakers > setting > sound > input & output.

Enter

python kws_demo.py

Hover your cursor over Record input audio. This will display a list of words that you can

pronounce to be identified by the KWS model. Click Record and pronounce one of the

words.

Wait for the recording to finish then click on Run. You will hear the word and the word

prediction will be displayed.

Figure 3: KWS demonstration window

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5.3 AKIDA CLASSIFICATION DEMO

This application uses the MobileNet/ImageNet model from akida-models to classify Webcam

frames. This demo requires a USB camera.

Enter

python classification_demo.py

Place objects in front of the camera for prediction.

Figure 4: Classification demonstration window

5.4 AKIDA EDGE LEARNING DEMO

This application uses MobileNet models replacing the last layer to learn new classes from the

Webcam frames. This demo requires a USB camera.

Enter

python edge_demo.py

Enter class name in the label field and click Learn new class for each new class. Start with

background as the first class. Next choose other objects the same or similar to images in the

ImageNet dataset for best results. For testing, place learned object in the field of view.

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Figure 5: Edge learning demonstration window

5.5 EDGE FACE RECOGNITION DEMO

This application uses MobileNet models replacing the last layer to learn new classes from the

Webcam frames. This demo requires a USB camera.

Enter

python edge_face_recognition_demo.py

Enter person’s name in the label field and click Learn for each new person.

When the person reenters the field of view his face will be recognized, surrounded with a

bounding box and his name will be displayed.

Figure 6: Edge face recognition demonstration window

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5.6 DETECTION DEMO

This application uses a YOLO model from akida-models to detect objects or faces into webcam

frames. This demo requires a USB camera.

Enter

python detection_demo.py

Face, person, or object detection should occur with bounding boxes as well as scores. Two

modes available: Car/person and Face.

Figure 7: Person and object detection demonstration window

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6 APPLICATION SETTINGS

Press F1, a menu will display > Application Settings.

Figure 8: General settings window

6.1 SWITCH FROM HARDWARE TO SOFTWARE BACKEND

Switch HW / SW: Select “HW device” for Akida HW backend, then > Close.

Figure 9: Application settings window

Background changes with the selected backend: blue for SW, grey for HW.

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Figure 10: Application window background changes depending on chosen backend

The screen background color is blue when Akida demo is running with the software backend while

it’s grey when running with the hardware backend.

6.2 TURN ON DISPLAY ABOUT PERFORMANCE

There is a setting switch used to enable or disable Akida HW power, see figure 9.

6.3 AKIDA DEMO (FLASK)

Execute `akida_demo_flask.py` with Demo name in argument:

python akida_demo_flask.py "Classification Demo"

Available demos are:

* Classification Demo

* Detection Demo

* Edge Demo

After a few seconds, from your shuttle PC, start a browser and go to

http://127.0.0.1:5000

Or, from any machine in your local network, start a browser and go to

http://<YOUR-SHUTTLE-PC-IP@>:5000

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