ragflow/python/cv/ppdetection.py
2023-12-14 19:19:03 +08:00

43 lines
1.4 KiB
Python

from paddle.inference import create_predictor
from paddle.inference import Config
from ppdet.infer import Detector
from ppdet.visualize import visualize_box_mask
import os, yaml, logging
from huggingface_hub import snapshot_download
class PPDet:
def __init__(self):
model_dir = snapshot_download(repo_id="InfiniFlow/picodet_lcnet_x1_0_fgd_layout_cdla")
self.mdl = Detector(model_dir)
with open(os.path.join(model_dir, 'infer_cfg.yml'), "r") as f:
self.conf = yaml.safe_load(f)
def __call__(self, image_list:list, thr=0.7):
result = self.mdl.predict_image(image_list, visual=False)
cate = self.conf['label_list']
start_idx = 0
res = []
for idx, img in enumerate(image_list):
im_bboxes_num = result['boxes_num'][idx]
bb = []
for b in result["boxes"][start_idx:start_idx +im_bboxes_num]:
clsid, bbox, score = int(b[0]), b[2:], b[1]
if score < thr:continue
if clsid >= len(cate):
logging.warning(f"bad category id")
continue
bb.append({
"type": cate[clsid].lower(),
"bbox": bbox,
"score": score
})
res.append(bb)
start_idx += im_bboxes_num
return res