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AiDA_Python/app/service/design_test/pipeline/segmentation.py

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2024-09-19 14:20:56 +08:00
import logging
import os
import cv2
import numpy as np
from app.core.config import SEG_CACHE_PATH
from app.service.design.utils.design_ensemble import get_seg_result
from app.service.utils.oss_client import oss_get_image
logger = logging.getLogger()
class Segmentation:
def __init__(self, minio_client):
self.minio_client = minio_client
def __call__(self, result):
if "seg_mask_url" in result.keys() and result['seg_mask_url'] != "":
seg_mask = oss_get_image(oss_client=self.minio_client, bucket=result['seg_mask_url'].split('/')[0], object_name=result['seg_mask_url'][result['seg_mask_url'].find('/') + 1:], data_type="cv2")
seg_mask = cv2.resize(seg_mask, (result['img_shape'][1], result['img_shape'][0]), interpolation=cv2.INTER_NEAREST)
# 转换颜色空间为 RGBOpenCV 默认是 BGR
image_rgb = cv2.cvtColor(seg_mask, cv2.COLOR_BGR2RGB)
r, g, b = cv2.split(image_rgb)
red_mask = r > g
green_mask = g > r
# 创建红色和绿色掩码
result['front_mask'] = np.array(red_mask, dtype=np.uint8) * 255
result['back_mask'] = np.array(green_mask, dtype=np.uint8) * 255
result['mask'] = result['front_mask'] + result['back_mask']
else:
# 本地查询seg 缓存是否存在
_, seg_result = self.load_seg_result(result["image_id"])
result['seg_result'] = seg_result
if not _:
# 推理获得seg 结果
seg_result = get_seg_result(result["image_id"], result['image'])[0]
self.save_seg_result(seg_result, result['image_id'])
# 处理前片后片
temp_front = seg_result == 1.0
result['front_mask'] = (255 * (temp_front + 0).astype(np.uint8))
temp_back = seg_result == 2.0
result['back_mask'] = (255 * (temp_back + 0).astype(np.uint8))
result['mask'] = result['front_mask'] + result['back_mask']
return result
@staticmethod
def save_seg_result(seg_result, image_id):
file_path = f"{SEG_CACHE_PATH}{image_id}.npy"
try:
np.save(file_path, seg_result)
print("保存成功", os.path.abspath(file_path))
except Exception as e:
print(f"保存失败: {e}")
@staticmethod
def load_seg_result(image_id):
file_path = f"{SEG_CACHE_PATH}{image_id}.npy"
logger.info(f"load seg file name is :{SEG_CACHE_PATH}{image_id}.npy")
try:
seg_result = np.load(file_path)
return True, seg_result
except FileNotFoundError:
print("文件不存在")
return False, None
except Exception as e:
print(f"加载失败: {e}")
return False, None