Feat: classification 프로젝트 명세 변경에 따른 수정

This commit is contained in:
김진현 2024-09-27 14:08:43 +09:00
parent 02929ebc86
commit 83737e566d
3 changed files with 56 additions and 64 deletions

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@ -1,32 +1,32 @@
from fastapi import APIRouter, HTTPException, Request
from fastapi import APIRouter, HTTPException
from api.yolo.detection import get_classes, run_predictions, get_random_color, split_data
from schemas.predict_request import PredictRequest
from schemas.train_request import TrainRequest
from schemas.train_request import TrainRequest, TrainDataInfo
from schemas.predict_response import PredictResponse, LabelData
from schemas.train_report_data import ReportData
from schemas.train_response import ClassificationTrainResponse
from services.load_model import load_classification_model
from services.create_model import save_model
from utils.file_utils import get_dataset_root_path, process_directories_in_cls, process_image_and_label_in_cls, join_path
from utils.slackMessage import send_slack_message
from utils.api_utils import send_data_call_api
import random
router = APIRouter()
@router.post("/predict")
async def classification_predict(request: PredictRequest):
send_slack_message(f"cls predict 요청: {request}", status="success")
send_slack_message(f"predict 요청: {request}", status="success")
# 모델 로드
model = get_model(request)
# 모델 레이블 카테고리 연결
classes = list(request.label_map) if request.label_map else None
model = get_model(request.project_id, request.m_key)
# 이미지 데이터 정리
url_list = list(map(lambda x:x.image_url, request.image_list))
# 이 값을 모델에 입력하면 해당하는 클래스 id만 출력됨
classes = get_classes(request.label_map, model.names)
# 추론
results = run_predictions(model, url_list, request, classes)
@ -40,20 +40,7 @@ def get_model(request: PredictRequest):
try:
return load_classification_model(request.project_id, request.m_key)
except Exception as e:
raise HTTPException(status_code=500, detail="load model exception: " + str(e))
# 추론 실행 함수
def run_predictions(model, image, request, classes):
try:
return model.predict(
source=image,
iou=request.iou_threshold,
conf=request.conf_threshold,
classes=classes
)
except Exception as e:
raise HTTPException(status_code=500, detail="model predict exception: " + str(e))
raise HTTPException(status_code=500, detail="exception in get_model(): " + str(e))
# 추론 결과 처리 함수
def process_prediction_result(result, image, label_map):
@ -68,7 +55,7 @@ def process_prediction_result(result, image, label_map):
"points": [
[0, 0]
],
"group_id": label_map[summary['class']] if label_map else summary['class'],
"group_id": label_map[summary['name']],
"shape_type": "point",
"flags": {}
}
@ -80,71 +67,63 @@ def process_prediction_result(result, image, label_map):
imageDepth=result.orig_img.shape[2]
)
except Exception as e:
raise HTTPException(status_code=500, detail="model predict exception: " + str(e))
raise HTTPException(status_code=500, detail="exception in process_prediction_result(): " + str(e))
return PredictResponse(
image_id=image.image_id,
data=label_data.model_dump_json()
)
def get_random_color():
random_number = random.randint(0, 0xFFFFFF)
return f"#{random_number:06X}"
@router.post("/train")
async def classification_train(request: TrainRequest):
send_slack_message(f"cls train 요청{request}", status="success")
send_slack_message(f"train 요청{request}", status="success")
# 데이터셋 루트 경로 얻기
# 데이터셋 루트 경로 얻기 (프로젝트 id 기반)
dataset_root_path = get_dataset_root_path(request.project_id)
# 모델 로드
model = get_model(request)
model = get_model(request.project_id, request.m_key)
# 학습할 모델 카테고리, 카테고리가 추가되는 경우 추가 작업 필요
model_categories = model.names
# 이 값을 학습할때 넣으면 이 카테고리들이 학습됨
names = list(request.label_map)
# 데이터 전처리
preprocess_dataset(dataset_root_path, model_categories, request.data, request.ratio)
# 데이터 전처리: 학습할 디렉토리 & 데이터셋 설정 파일을 생성
process_directories_in_cls(dataset_root_path, names)
# 데이터 전처리: 데이터를 학습데이터와 테스트 데이터로 분류
train_data, test_data = split_data(request.data, request.ratio)
# 데이터 전처리: 데이터 이미지 및 레이블 다운로드
download_data(train_data, test_data, dataset_root_path)
# 학습
results = run_train(request,model,dataset_root_path)
results = run_train(request, model,dataset_root_path)
# best 모델 저장
model_key = save_model(project_id=request.project_id, path=join_path(dataset_root_path, "result", "weights", "best.pt"))
response = {"model_key": model_key, "results": results.results_dict}
result = results.results_dict
response = ClassificationTrainResponse(
modelKey=model_key,
precision= result["accuracy_top1"],
fitness= result["fitness"]
)
send_slack_message(f"train 성공{response}", status="success")
return response
def preprocess_dataset(dataset_root_path, model_categories, data, ratio):
def download_data(train_data:list[TrainDataInfo], test_data:list[TrainDataInfo], dataset_root_path:str):
try:
# 디렉토리 생성 및 초기화
process_directories_in_cls(dataset_root_path, model_categories)
# 학습 데이터 분류
train_data, test_data = split_data(data, ratio)
if not train_data or not test_data:
raise HTTPException(status_code=400, detail="data split exception: data size is too small or \"ratio\" has invalid value")
# 학습 데이터 처리
for data in train_data:
process_image_and_label_in_cls(data, dataset_root_path, "train")
# 검증 데이터 처리
for data in test_data:
process_image_and_label_in_cls(data, dataset_root_path, "test")
except HTTPException as e:
raise e # HTTP 예외를 다시 발생
except Exception as e:
raise HTTPException(status_code=500, detail="preprocess dataset exception: " + str(e))
raise HTTPException(status_code=500, detail="exception in download_data(): " + str(e))
def run_train(request, model, dataset_root_path):
try:
@ -164,6 +143,7 @@ def run_train(request, model, dataset_root_path):
data = ReportData(
epoch=trainer.epoch, # 현재 에포크
total_epochs=trainer.epochs, # 전체 에포크
seg_loss=0, # seg loss
box_loss=0, # box loss
cls_loss=loss["train/loss"], # cls loss
dfl_loss=0, # dfl loss
@ -174,7 +154,7 @@ def run_train(request, model, dataset_root_path):
# 데이터 전송
send_data_call_api(request.project_id, request.m_id, data)
except Exception as e:
raise HTTPException(status_code=500, detail=f"send_data exception: {e}")
raise HTTPException(status_code=500, detail="exception in send_data: "+ str(e))
# 콜백 등록
model.add_callback("on_train_epoch_start", send_data)
@ -198,6 +178,6 @@ def run_train(request, model, dataset_root_path):
except HTTPException as e:
raise e # HTTP 예외를 다시 발생
except Exception as e:
raise HTTPException(status_code=500, detail=f"run_train exception: {e}")
raise HTTPException(status_code=500, detail="exception in run_train(): "+str(e))

View File

@ -7,3 +7,8 @@ class TrainResponse(BaseModel):
mAP50: float
mAP5095: float
fitness: float
class ClassificationTrainResponse(BaseModel):
modelKey: str
accuracy: float
fitness: float

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@ -118,10 +118,10 @@ def get_file_name(path):
raise FileNotFoundError()
return os.path.basename(path)
def process_directories_in_cls(dataset_root_path:str, model_categories:dict[int,str]):
def process_directories_in_cls(dataset_root_path:str, model_categories:list[str]):
"""classification 학습을 위한 디렉토리 생성"""
make_dir(dataset_root_path, init=False)
for category in model_categories.values():
for category in model_categories:
make_dir(os.path.join(dataset_root_path, "train", category), init=True)
make_dir(os.path.join(dataset_root_path, "test", category), init=True)
if os.path.exists(os.path.join(dataset_root_path, "result")):
@ -140,4 +140,11 @@ def process_image_and_label_in_cls(data:TrainDataInfo, dataset_root_path:str, ch
label_path = os.path.join(dataset_root_path,child_path,label_name)
# url로부터 이미지 다운로드
if os.path.exists(label_path):
urllib.request.urlretrieve(data.image_url, os.path.join(label_path, img_name))
else:
# raise FileNotFoundError("failed download")
print("Not Found Label Category. Failed Download")
# 레이블 데이터 중에서 프로젝트 카테고리에 해당되지않는 데이터가 있는 경우 처리 1. 에러 raise 2. 무시(+ warning)