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eval.py
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eval.py
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from __future__ import print_function
import numpy as np
import argparse
import torch
import torch.nn as nn
import pdb
import os
import pandas as pd
from utils.utils import *
from math import floor
import matplotlib.pyplot as plt
from dataset_modules.dataset_generic import Generic_WSI_Classification_Dataset, Generic_MIL_Dataset, save_splits
import h5py
from utils.eval_utils import *
# Training settings
parser = argparse.ArgumentParser(description='CLAM Evaluation Script')
parser.add_argument('--data_root_dir', type=str, default=None,
help='data directory')
parser.add_argument('--results_dir', type=str, default='./results',
help='relative path to results folder, i.e. '+
'the directory containing models_exp_code relative to project root (default: ./results)')
parser.add_argument('--save_exp_code', type=str, default=None,
help='experiment code to save eval results')
parser.add_argument('--models_exp_code', type=str, default=None,
help='experiment code to load trained models (directory under results_dir containing model checkpoints')
parser.add_argument('--splits_dir', type=str, default=None,
help='splits directory, if using custom splits other than what matches the task (default: None)')
parser.add_argument('--model_size', type=str, choices=['small', 'big'], default='small',
help='size of model (default: small)')
parser.add_argument('--model_type', type=str, choices=['clam_sb', 'clam_mb', 'mil'], default='clam_sb',
help='type of model (default: clam_sb)')
parser.add_argument('--k', type=int, default=10, help='number of folds (default: 10)')
parser.add_argument('--k_start', type=int, default=-1, help='start fold (default: -1, last fold)')
parser.add_argument('--k_end', type=int, default=-1, help='end fold (default: -1, first fold)')
parser.add_argument('--fold', type=int, default=-1, help='single fold to evaluate')
parser.add_argument('--micro_average', action='store_true', default=False,
help='use micro_average instead of macro_avearge for multiclass AUC')
parser.add_argument('--split', type=str, choices=['train', 'val', 'test', 'all'], default='test')
parser.add_argument('--task', type=str, choices=['task_1_tumor_vs_normal', 'task_2_tumor_subtyping'])
parser.add_argument('--drop_out', type=float, default=0.25, help='dropout')
parser.add_argument('--embed_dim', type=int, default=1024)
args = parser.parse_args()
device=torch.device("cuda" if torch.cuda.is_available() else "cpu")
args.save_dir = os.path.join('./eval_results', 'EVAL_' + str(args.save_exp_code))
args.models_dir = os.path.join(args.results_dir, str(args.models_exp_code))
os.makedirs(args.save_dir, exist_ok=True)
if args.splits_dir is None:
args.splits_dir = args.models_dir
assert os.path.isdir(args.models_dir)
assert os.path.isdir(args.splits_dir)
settings = {'task': args.task,
'split': args.split,
'save_dir': args.save_dir,
'models_dir': args.models_dir,
'model_type': args.model_type,
'drop_out': args.drop_out,
'model_size': args.model_size}
with open(args.save_dir + '/eval_experiment_{}.txt'.format(args.save_exp_code), 'w') as f:
print(settings, file=f)
f.close()
print(settings)
if args.task == 'task_1_tumor_vs_normal':
args.n_classes=2
dataset = Generic_MIL_Dataset(csv_path = 'dataset_csv/tumor_vs_normal_dummy_clean.csv',
data_dir= os.path.join(args.data_root_dir, 'tumor_vs_normal_resnet_features'),
shuffle = False,
print_info = True,
label_dict = {'normal_tissue':0, 'tumor_tissue':1},
patient_strat=False,
ignore=[])
elif args.task == 'task_2_tumor_subtyping':
args.n_classes=3
dataset = Generic_MIL_Dataset(csv_path = 'dataset_csv/tumor_subtyping_dummy_clean.csv',
data_dir= os.path.join(args.data_root_dir, 'tumor_subtyping_resnet_features'),
shuffle = False,
print_info = True,
label_dict = {'subtype_1':0, 'subtype_2':1, 'subtype_3':2},
patient_strat= False,
ignore=[])
# elif args.task == 'tcga_kidney_cv':
# args.n_classes=3
# dataset = Generic_MIL_Dataset(csv_path = 'dataset_csv/tcga_kidney_clean.csv',
# data_dir= os.path.join(args.data_root_dir, 'tcga_kidney_20x_features'),
# shuffle = False,
# print_info = True,
# label_dict = {'TCGA-KICH':0, 'TCGA-KIRC':1, 'TCGA-KIRP':2},
# patient_strat= False,
# ignore=['TCGA-SARC'])
else:
raise NotImplementedError
if args.k_start == -1:
start = 0
else:
start = args.k_start
if args.k_end == -1:
end = args.k
else:
end = args.k_end
if args.fold == -1:
folds = range(start, end)
else:
folds = range(args.fold, args.fold+1)
ckpt_paths = [os.path.join(args.models_dir, 's_{}_checkpoint.pt'.format(fold)) for fold in folds]
datasets_id = {'train': 0, 'val': 1, 'test': 2, 'all': -1}
if __name__ == "__main__":
all_results = []
all_auc = []
all_acc = []
for ckpt_idx in range(len(ckpt_paths)):
if datasets_id[args.split] < 0:
split_dataset = dataset
else:
csv_path = '{}/splits_{}.csv'.format(args.splits_dir, folds[ckpt_idx])
datasets = dataset.return_splits(from_id=False, csv_path=csv_path)
split_dataset = datasets[datasets_id[args.split]]
model, patient_results, test_error, auc, df = eval(split_dataset, args, ckpt_paths[ckpt_idx])
all_results.append(all_results)
all_auc.append(auc)
all_acc.append(1-test_error)
df.to_csv(os.path.join(args.save_dir, 'fold_{}.csv'.format(folds[ckpt_idx])), index=False)
final_df = pd.DataFrame({'folds': folds, 'test_auc': all_auc, 'test_acc': all_acc})
if len(folds) != args.k:
save_name = 'summary_partial_{}_{}.csv'.format(folds[0], folds[-1])
else:
save_name = 'summary.csv'
final_df.to_csv(os.path.join(args.save_dir, save_name))