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FastDeploy/examples/vision/classification/yolov5cls/python/infer.py
guxukai 9cd00ad4c5 [Model] Refactoring code of YOLOv5Cls with new model type (#1237)
* Refactoring code of YOLOv5Cls with new model type

* fix reviewed problem

* Normalize&HWC2CHW -> NormalizeAndPermute

* remove cast()
2023-02-08 11:19:00 +08:00

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import fastdeploy as fd
import cv2
import os
def parse_arguments():
import argparse
import ast
parser = argparse.ArgumentParser()
parser.add_argument(
"--model", required=True, help="Path of YOLOv5Cls model.")
parser.add_argument(
"--image", type=str, required=True, help="Path of test image file.")
parser.add_argument(
"--topk", type=int, default=1, help="Return topk results.")
parser.add_argument(
"--device",
type=str,
default='cpu',
help="Type of inference device, support 'cpu' or 'gpu'.")
parser.add_argument(
"--use_trt",
type=ast.literal_eval,
default=False,
help="Wether to use tensorrt.")
return parser.parse_args()
def build_option(args):
option = fd.RuntimeOption()
if args.device.lower() == "gpu":
option.use_gpu()
if args.use_trt:
option.use_trt_backend()
option.set_trt_input_shape("images", [1, 3, 224, 224])
return option
args = parse_arguments()
# 配置runtime加载模型
runtime_option = build_option(args)
model = fd.vision.classification.YOLOv5Cls(
args.model, runtime_option=runtime_option)
model.postprocessor.topk = args.topk
# 预测图片分类结果
im = cv2.imread(args.image)
result = model.predict(im)
print(result)