#author("2020-05-02T11:35:24+00:00","default:mizutu","mizutu")
[[私的AI研究会]] > AIカメラ作成
* AIカメラを作る [#ud8188ee]
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** 画像認識 Google Vision の設定 [#q6b79327]
*** カメラの設定 [#h9ecb736]
- すでに設定済みのカメラ機能の再確認
$ raspistill -o image.jpg
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#clear
*** Google Vision クイックスタート [#pd25e647]
#ref(vision_001m.jpg,left,around,12.5%,vision_001m.jpg)
[[Vision AI オフィシャルページ>+https://cloud.google.com/vision/]] から~
「クイックスタート」(「Raspberry Pi + AI 電子工作入門」275ページ)を呼び出す。~
#br
1.「使ってみる」を押す。~
#clear
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2. 左メニューから「Vision API」を選択。~
3. 左メニューから「クライアントライブラリの使用」を選択。~
#clear
#br
*** Google Vision の設定 [#b6d9b60b]
#ref(vision_005m.jpg,left,around,12.5%,vision_005m.jpg)
&color(red){※Microsoft Edge or IE11 では不具合があるようなので。Google Chromeを使用する。};~
~
1. [[Google Cloud Console>+http://console.cloud.google.com/]] を開く。~
検索窓に「cloud vision」と入力して「Cloud Vision API」を選択」する。
#clear
#ref(vision_006m.jpg,left,around,12.5%,vision_006m.jpg)
2. 「有効にする」を選択。
#clear
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3. 左メニューより「認証情報」を選択。
#clear
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4. メニュー中央の「＋認証情報の作成」から「サービスアカウント」を選ぶ。
#clear
#ref(vision_009m.jpg,left,around,12.5%,vision_009m.jpg)
5. サービスアカウント名を入力~
cloudvision~
6. 「作成」を押す。~
#clear
#ref(vision_010m.jpg,left,around,12.5%,vision_010m.jpg)
7. ロールの右▼を押し「オーナー」を選ぶ。~
8. 「続行」を押す。~
#clear
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9. 「＋キーを作成」を押す。
#clear
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10. 「作成」を押す。
#clear
#ref(vision_013m.jpg,left,around,12.5%,vision_013m.jpg)
11. キーが作成されて、自動的に秘密鍵がダウンロードされる。~
&color(red){※Microsoft Edge or IE11 ではダウンロードできないので注意。};~
~
12. ダウンロードされた秘密鍵をラズパイのホームディレクトリ(/home/pi/)に転送する。~
#clear
#br
*** Raspberry Pi 上の設定 [#ra5bcc16]
+ 認証ファイルを環境変数として読み込ませる。~
$ export GOOGLE_APPLICATION_CREDENTIALS=/home/pi/raspberryai-mizutu-ec573de141fd.json
+ Client Library インストール~
$ pip install --upgrade google-cloud-vision
Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
Collecting google-cloud-vision
Downloading https://files.pythonhosted.org/packages/0d/7f/e10d602c2dc3f749f1b78377a3357790f1da71b28e7da9e5bc20b3a9bd40/google_cloud_vision-1.0.0-py2.py3-none-any.whl (435kB)
100% |████████████████████████████████| 440kB 231kB/s
Requirement already satisfied, skipping upgrade: enum34; python_version < "3.4" in /usr/lib/python2.7/dist-packages (from google-cloud-vision) (1.1.6)
Collecting google-api-core[grpc]<2.0.0dev,>=1.14.0 (from google-cloud-vision)
Downloading https://files.pythonhosted.org/packages/4c/b9/c0dd70bcdf06a43d1e21f387448e7997e0ce91f10d0fbee359af4cde1571/google_api_core-1.17.0-py2.py3-none-any.whl (70kB)
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Collecting futures>=3.2.0; python_version < "3.2" (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/d8/a6/f46ae3f1da0cd4361c344888f59ec2f5785e69c872e175a748ef6071cdb5/futures-3.3.0-py2-none-any.whl
Requirement already satisfied, skipping upgrade: requests<3.0.0dev,>=2.18.0 in /usr/lib/python2.7/dist-packages (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision) (2.21.0)
Collecting googleapis-common-protos<2.0dev,>=1.6.0 (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/05/46/168fd780f594a4d61122f7f3dc0561686084319ad73b4febbf02ae8b32cf/googleapis-common-protos-1.51.0.tar.gz
Collecting google-auth<2.0dev,>=1.14.0 (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/d2/f8/1623d69e5de22e499b68a0cb5e5d02cd6a2843e55acc19f314f48fe04299/google_auth-1.14.1-py2.py3-none-any.whl (89kB)
100% |████████████████████████████████| 92kB 328kB/s
Collecting protobuf>=3.4.0 (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/27/9c/ef816295b4b40298fd0a17bf8f0ba6cf3e0c44cb2ce72257168e09996b8b/protobuf-3.11.3-py2.py3-none-any.whl (434kB)
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Requirement already satisfied, skipping upgrade: setuptools>=34.0.0 in /usr/lib/python2.7/dist-packages (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision) (40.8.0)
Requirement already satisfied, skipping upgrade: six>=1.10.0 in /usr/lib/python2.7/dist-packages (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision) (1.12.0)
Requirement already satisfied, skipping upgrade: pytz in /usr/lib/python2.7/dist-packages (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision) (2019.1)
Collecting grpcio<2.0dev,>=1.8.2; extra == "grpc" (from google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/a4/16/3138c5bec5255a1b1bf9b1024ecc22b643c4207c7b328535c4303fdc0a37/grpcio-1.28.1-cp27-cp27mu-linux_armv7l.whl (19.8MB)
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Collecting rsa<4.1,>=3.1.4 (from google-auth<2.0dev,>=1.14.0->google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/02/e5/38518af393f7c214357079ce67a317307936896e961e35450b70fad2a9cf/rsa-4.0-py2.py3-none-any.whl
Collecting pyasn1-modules>=0.2.1 (from google-auth<2.0dev,>=1.14.0->google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/95/de/214830a981892a3e286c3794f41ae67a4495df1108c3da8a9f62159b9a9d/pyasn1_modules-0.2.8-py2.py3-none-any.whl (155kB)
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Collecting cachetools<5.0,>=2.0.0 (from google-auth<2.0dev,>=1.14.0->google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/2f/a6/30b0a0bef12283e83e58c1d6e7b5aabc7acfc4110df81a4471655d33e704/cachetools-3.1.1-py2.py3-none-any.whl
Collecting pyasn1>=0.1.3 (from rsa<4.1,>=3.1.4->google-auth<2.0dev,>=1.14.0->google-api-core[grpc]<2.0.0dev,>=1.14.0->google-cloud-vision)
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Downloading https://files.pythonhosted.org/packages/62/1e/a94a8d635fa3ce4cfc7f506003548d0a2447ae76fd5ca53932970fe3053f/pyasn1-0.4.8-py2.py3-none-any.whl (77kB)
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Building wheels for collected packages: googleapis-common-protos
Running setup.py bdist_wheel for googleapis-common-protos ... done
Stored in directory: /home/pi/.cache/pip/wheels/2c/f9/7f/6eb87e636072bf467e25348bbeb96849333e6a080dca78f706
Successfully built googleapis-common-protos
Installing collected packages: futures, protobuf, googleapis-common-protos, pyasn1, rsa, pyasn1-modules, cachetools, google-auth, grpcio, google-api-core, google-cloud-vision
The scripts pyrsa-decrypt, pyrsa-encrypt, pyrsa-keygen, pyrsa-priv2pub, pyrsa-sign and pyrsa-verify are installed in '/home/pi/.local/bin' which is not on PATH.
Consider adding this directory to PATH or, if you prefer to suppress this warning, use --no-warn-script-location.
Successfully installed cachetools-3.1.1 futures-3.3.0 google-api-core-1.17.0 google-auth-1.14.1 google-cloud-vision-1.0.0 googleapis-common-protos-1.51.0 grpcio-1.28.1 protobuf-3.11.3 pyasn1-0.4.8 pyasn1-modules-0.2.8 rsa-4.0
+ '~/Programs/' ディレクトリにサンプルファイルをダウンロードする。~
$ cd Programs
$ git clone https://github.com/GoogleCloudPlatform/python-docs-samples.git
Cloning into 'python-docs-samples'...
remote: Enumerating objects: 78, done.
remote: Counting objects: 100% (78/78), done.
remote: Compressing objects: 100% (67/67), done.
remote: Total 29487 (delta 25), reused 25 (delta 7), pack-reused 29409
Receiving objects: 100% (29487/29487), 39.48 MiB | 196.00 KiB/s, done.
Resolving deltas: 100% (15567/15567), done.
$ ls
aibot googlesamples hello_nihongo.py image.jpg python-docs-samples switch_led2.py talk2text
exercise hello.py hello_today.py led.py switch_led.py switch_speaker.py
