ComDesignProject/detect.py

34 lines
1004 B
Python

import cv2
import torch
import numpy as np
from torchvision import transforms
from models.experimental import attempt_load
from utils.general import check_img_size,non_max_suppression
import param
class YOLOv7(object):
def __init__(self,option:param.Parameters) -> None:
# load FP32 model
self.opt = option
self.model = attempt_load(weights=self.opt.weights_yolo, device=self.opt.device)
def detect(self,imgs:torch.Tensor) -> list:
# img.size should be (Batch,3,H,W),every value should be range of [0,1]
# Both H and W % 64 == 0
# Initialize
model = self.model
opt = self.opt
# Inference
with torch.no_grad(): # Calculating gradients would cause a GPU memory leak
pred = model(imgs, augment=opt.augment)[0]
# Apply NMS
pred = non_max_suppression(pred, opt.conf_thres, opt.iou_thres, classes=opt.classes, agnostic=opt.agnostic_nms)
return pred