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eval_davis_2016.py
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eval_davis_2016.py
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import os
from os import path
import time
from argparse import ArgumentParser
import torch
from torch.utils.data import DataLoader
import numpy as np
from PIL import Image
from model.eval_network import STCN
from dataset.davis_test_dataset import DAVISTestDataset
from inference_core import InferenceCore
from progressbar import progressbar
"""
Arguments loading
"""
parser = ArgumentParser()
parser.add_argument('--model', default='saves/GSFM.pth')
parser.add_argument('--davis_path', default='data/DAVIS/2016')
parser.add_argument('--output')
parser.add_argument('--top', type=int, default=20)
parser.add_argument('--amp', action='store_true')
parser.add_argument('--mem_every', default=3, type=int)
args = parser.parse_args()
davis_path = args.davis_path
out_path = args.output
# Simple setup
os.makedirs(out_path, exist_ok=True)
torch.autograd.set_grad_enabled(False)
# Setup Dataset, a small hack to use the image set in the 2017 folder because the 2016 one is of a different format
test_dataset = DAVISTestDataset(davis_path, imset='../../2017/trainval/ImageSets/2016/val.txt', single_object=True)
test_loader = DataLoader(test_dataset, batch_size=1, shuffle=False, num_workers=4, pin_memory=True)
# Load our checkpoint
top_k = args.top
prop_model = STCN().cuda().eval()
# Performs input mapping such that stage 0 model can be loaded
prop_saved = torch.load(args.model)
for k in list(prop_saved.keys()):
if k == 'value_encoder.conv1.weight':
if prop_saved[k].shape[1] == 4:
pads = torch.zeros((64,1,7,7), device=prop_saved[k].device)
prop_saved[k] = torch.cat([prop_saved[k], pads], 1)
prop_model.load_state_dict(prop_saved)
total_process_time = 0
total_frames = 0
# Start eval
for data in progressbar(test_loader, max_value=len(test_loader), redirect_stdout=True):
with torch.cuda.amp.autocast(enabled=args.amp):
rgb = data['rgb'].cuda()
msk = data['gt'][0].cuda()
info = data['info']
name = info['name'][0]
k = len(info['labels'][0])
torch.cuda.synchronize()
process_begin = time.time()
processor = InferenceCore(prop_model, rgb, k, top_k=top_k, mem_every=args.mem_every)
processor.interact(msk[:,0], 0, rgb.shape[1])
# Do unpad -> upsample to original size
out_masks = torch.zeros((processor.t, 1, *rgb.shape[-2:]), dtype=torch.float32, device='cuda')
for ti in range(processor.t):
prob = processor.prob[:,ti]
if processor.pad[2]+processor.pad[3] > 0:
prob = prob[:,:,processor.pad[2]:-processor.pad[3],:]
if processor.pad[0]+processor.pad[1] > 0:
prob = prob[:,:,:,processor.pad[0]:-processor.pad[1]]
out_masks[ti] = torch.argmax(prob, dim=0)*255
out_masks = (out_masks.detach().cpu().numpy()[:,0]).astype(np.uint8)
torch.cuda.synchronize()
total_process_time += time.time() - process_begin
total_frames += out_masks.shape[0]
this_out_path = path.join(out_path, name)
os.makedirs(this_out_path, exist_ok=True)
for f in range(out_masks.shape[0]):
img_E = Image.fromarray(out_masks[f])
img_E.save(os.path.join(this_out_path, '{:05d}.png'.format(f)))
del rgb
del msk
del processor
print('Total processing time: ', total_process_time)
print('Total processed frames: ', total_frames)
print('FPS: ', total_frames / total_process_time)