객체 탐지용 외부 API를 담당하는 클래스 작성

back-end2/src/services/api/object_detect_api.py

+from google.cloud import vision
+
+class ObjectDetectAPI:
+    def detect_objects(self, image_bytes):
+        client = vision.ImageAnnotatorClient()
+        image = vision.Image(content=image_bytes)
+        objects = client.object_localization(
+            image=image).localized_object_annotations
+        return objects
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