Entwickeln einer Objekterkennungsclientanwendung
Nachdem Sie ein Objekterkennungsmodell trainiert haben, können Sie das Azure AI Custom Vision SDK verwenden, um eine Clientanwendung zu entwickeln, die neue zu analysierende Bilder sendet.
from msrest.authentication import ApiKeyCredentials
from azure.cognitiveservices.vision.customvision.prediction import CustomVisionPredictionClient
# Authenticate a client for the prediction API
credentials = ApiKeyCredentials(in_headers={"Prediction-key": "<YOUR_PREDICTION_RESOURCE_KEY>"})
prediction_client = CustomVisionPredictionClient(endpoint="<YOUR_PREDICTION_RESOURCE_ENDPOINT>",
credentials=credentials)
# Get classification predictions for an image
image_data = open("<PATH_TO_IMAGE_FILE>", "rb").read()
results = prediction_client.detect_image("<YOUR_PROJECT_ID>",
"<YOUR_PUBLISHED_MODEL_NAME>",
image_data)
# Process predictions
for prediction in results.predictions:
if prediction.probability > 0.5:
left = prediction.bounding_box.left
top = prediction.bounding_box.top
height = prediction.bounding_box.height
width = prediction.bounding_box.width
print(f"{prediction.tag_name} ({prediction.probability})")
print(f" Left:{left}, Top:{top}, Height:{height}, Width:{width}")
using System;
using System.IO;
using Microsoft.Azure.CognitiveServices.Vision.CustomVision.Prediction;
// Authenticate a client for the prediction API
CustomVisionPredictionClient prediction_client = new CustomVisionPredictionClient(new ApiKeyServiceClientCredentials("<YOUR_PREDICTION_RESOURCE_KEY>"))
{
Endpoint = "<YOUR_PREDICTION_RESOURCE_ENDPOINT>"
};
// Get classification predictions for an image
MemoryStream image_data = new MemoryStream(File.ReadAllBytes("<PATH_TO_IMAGE_FILE>"));
var result = prediction_client.DetectImage("<YOUR_PROJECT_ID>",
"<YOUR_PUBLISHED_MODEL_NAME>",
image_data);
// Process predictions
foreach (var prediction in result.Predictions)
{
if (prediction.Probability > 0.5)
{
var left = prediction.BoundingBox.Left;
var top = prediction.BoundingBox.Top;
var height = prediction.BoundingBox.Height;
var width = prediction.BoundingBox.Width;
Console.WriteLine($"{prediction.TagName} ({prediction.Probability})");
Console.WriteLine($" Left:{left}, Top:{top}, Height:{height}, Width:{width}");
}
}