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Runtime error
Runtime error
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import cv2
import numpy as np
from fastapi import APIRouter, File, Response, WebSocket, WebSocketDisconnect
from app.constants import classNames, colors
from app import detector
from mmcv import imfrombytes
from app.custom_mmcv.main import imshow_det_bboxes
from app import logger
router = APIRouter(prefix="/image", tags=["Image"])
@router.post("")
async def handleImageRequest(
file: bytes = File(...),
threshold: float = 0.3,
raw: bool = False,
):
try:
img = imfrombytes(file, cv2.IMREAD_COLOR)
if raw:
bboxes, labels = inferenceImage(img, threshold, raw)
return {"bboxes": bboxes.tolist(), "labels": labels.tolist()}
img = inferenceImage(img, threshold, raw)
except Exception as e:
logger.error(e)
return Response(content="Failed to read image", status_code=400)
ret, jpeg = cv2.imencode(".jpg", img)
if not ret:
return Response(content="Failed to encode image", status_code=500)
jpeg_bytes: bytes = jpeg.tobytes()
return Response(content=jpeg_bytes, media_type="image/jpeg")
def inferenceImage(img, threshold: float, isRaw: bool):
bboxes, labels, _ = detector(img)
if isRaw:
removeIndexs = []
for i, bbox in enumerate(bboxes):
if bbox[4] < threshold:
removeIndexs.append(i)
bboxes = np.delete(bboxes, removeIndexs, axis=0)
labels = np.delete(labels, removeIndexs)
return bboxes, labels
return imshow_det_bboxes(
img=img,
bboxes=bboxes,
labels=labels,
class_names=classNames,
colors=colors,
score_thr=threshold,
)
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