collection_name = "test_collection"

model = SentenceTransformer('clip-ViT-B-32')
search_image = Image.open("image_to_search.jpeg")
search_image_vector = model.encode(search_image)

res = client.search(
    collection_name=collection_name,
    anns_field="image_vector",
    data=[search_image_vector],
    limit=3,
    search_params={"metric_type": "COSINE"}
)