Oficina de Computacao Cognitiva/Visual Recognition IBM Watson

system · Janeiro 3, 2025, 6:28am

Para reconhecimento de imagem:

Dentro do IBM Bluemix:

Criar um app de Visual Recognition

Clique em Service Credentials View Credentials

{

"url": "https://gateway-a.watsonplatform.net/visual-recognition/api",
"note": "It may take up to 5 minutes for this key to become active",
"api_key": "9e27a30f3c6e32e42cd6cbbacf5006451c333efx"

}

No Terminal de comando, no linux:

Para instalar:

$ npm install watson-developer-cloud --save

Comandos para Classificacao de imagem:

$ image_url=http://r.ddmcdn.com/s_f/o_1/APL/uploads/2015/07/cecil-AP463227356214-1000x400.jpg

$ api_key=9e27a30f3c6e32e42cd6cbbacf5006451c333efx

$ curl -X GET "https://gateway-a.watsonplatform.net/visual-recognition/api/v3/classify?api_key=${api_key}&version=2016-05-20&url=${image_url}"

Resultado:

Comandos para reconhecimento de imagem:

$ image_url=http://hypescience.com/wp-content/uploads/2016/07/obama.jpg

$ api_key=9e27a30f3c6e32e42cd6cbbacf5006451c333efx

$ curl -X GET "https://gateway-a.watsonplatform.net/visual-recognition/api/v3/detect_faces?api_key=${api_key}&version=2016-05-20&url=${image_url}"

Resultado:

Para trabalhar no NodeRed com reconhecimento de imagem, classificacao ou deteccao de texto, inicie um novo app no Watson IoT Platform e associe ele ao Visual Recognition do Watson.

Crie o seguinte aplicativo em Node Red:

Para cria-lo de forma rapida, copie e cole o JSON abaixo na sessao import -> clipboard.

[

{
"id": "dba7f7ca.9b6f58",
"type": "tab",
"label": "Flow 1"
},
{
"id": "a9bb9560.630f5",
"type": "ibmiot",
"z": "",
"name": "",
"keepalive": "60",
"domain": "",
"cleansession": true,
"appId": "",
"shared": false
},
{
"id": "d7501fec.f671",
"type": "ibmiot",
"z": "",
"name": "",
"keepalive": "60",
"domain": "",
"cleansession": true,
"appId": "",
"shared": false
},
{
"id": "53a902f7.0483e4",
"type": "ibmiot",
"z": "",
"name": "iot-lhc",
"keepalive": "60",
"domain": "",
"cleansession": true,
"appId": "",
"shared": false
},
{
"id": "997d054e.50b3",
"type": "inject",
"z": "dba7f7ca.9b6f58",
"name": "URL",
"topic": "",
"payload": "http://r.ddmcdn.com/s_f/o_1/cx_633/cy_0/cw_1725/ch_1725/w_720/APL/uploads/2014/11/too-cute-doggone-it-video-playlist.jpg",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 383.5,
"y": 105.5,
"wires": [
[
"1f0ef5e5.bbc442"
]
]
},
{
"id": "1f0ef5e5.bbc442",
"type": "visual-recognition-v3",
"z": "dba7f7ca.9b6f58",
"name": "Classify an image",
"apikey": "__PWRD__",
"image-feature": "classifyImage",
"lang": "en",
"x": 777.5,
"y": 104.5,
"wires": [
[
"e817c082.941738"
]
]
},
{
"id": "dcc39aab.4a483",
"type": "inject",
"z": "dba7f7ca.9b6f58",
"name": "URL",
"topic": "",
"payload": "https://sd.keepcalm-o-matic.co.uk/i-w600/too-much-love-will-kill-you-everytime.jpg",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 383,
"y": 187.5,
"wires": [
[
"b062078e.4eb698"
]
]
},
{
"id": "b062078e.4eb698",
"type": "visual-recognition-v3",
"z": "dba7f7ca.9b6f58",
"name": "Recognize Text",
"apikey": "__PWRD__",
"image-feature": "recognizeText",
"x": 788,
"y": 186.5,
"wires": [
[
"e817c082.941738"
]
]
},
{
"id": "3eeb983b.ffbf1",
"type": "visual-recognition-v3",
"z": "dba7f7ca.9b6f58",
"name": "Detect Faces",
"apikey": "__PWRD__",
"image-feature": "detectFaces",
"x": 769.5,
"y": 294.5,
"wires": [
[
"e817c082.941738"
]
]
},
{
"id": "4c738167.7a20a8",
"type": "inject",
"z": "dba7f7ca.9b6f58",
"name": "URL",
"topic": "",
"payload": "http://hypescience.com/wp-content/uploads/2016/07/obama.jpg",
"payloadType": "str",
"repeat": "",
"crontab": "",
"once": false,
"x": 386,
"y": 294.5,
"wires": [
[
"3eeb983b.ffbf1"
]
]
},
{
"id": "e817c082.941738",
"type": "debug",
"z": "dba7f7ca.9b6f58",
"name": "",
"active": true,
"console": "false",
"complete": "result",
"x": 1087.5,
"y": 150.5,
"wires": []
}