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"""
Crop images to prepare for training
"""
import click
# from PIL import Image, ImageOps, ImageFilter, ImageDraw
from app.settings import types
from app.utils import click_utils
from app.settings import app_cfg as cfg
color_filters = {'color': 1, 'gray': 2, 'all': 3}
@click.command()
@click.option('-i', '--input', 'opt_fp_files', required=True,
help='Input file meta CSV')
@click.option('-o', '--output', 'opt_fp_out', required=True,
help='Output CSV')
@click.option('-e', '--ext', 'opt_ext',
default='jpg', type=click.Choice(['jpg', 'png']),
help='File glob ext')
@click.option('--size', 'opt_size',
type=(int, int), default=(300, 300),
help='Output image size')
@click.option('-t', '--detector-type', 'opt_detector_type',
type=cfg.FaceDetectNetVar,
default=click_utils.get_default(types.FaceDetectNet.DLIB_CNN),
help=click_utils.show_help(types.FaceDetectNet))
@click.option('-g', '--gpu', 'opt_gpu', default=0,
help='GPU index')
@click.option('--conf', 'opt_conf_thresh', default=0.85, type=click.FloatRange(0,1),
help='Confidence minimum threshold')
@click.option('-p', '--pyramids', 'opt_pyramids', default=0, type=click.IntRange(0,4),
help='Number pyramids to upscale for DLIB detectors')
@click.option('--slice', 'opt_slice', type=(int, int), default=(None, None),
help='Slice list of files')
@click.option('--display/--no-display', 'opt_display', is_flag=True, default=False,
help='Display detections to debug')
@click.option('--recursive/--no-recursive', 'opt_recursive', is_flag=True, default=False,
help='Use glob recursion (slower)')
@click.option('-f', '--force', 'opt_force', is_flag=True,
help='Force overwrite file')
@click.option('--color', 'opt_color_filter',
type=click.Choice(color_filters.keys()), default='color',
help='Filter to keep color or grayscale images (color = keep color')
@click.pass_context
def cli(ctx, opt_dirs_in, opt_fp_out, opt_ext, opt_size, opt_detector_type,
opt_gpu, opt_conf_thresh, opt_pyramids, opt_slice, opt_display, opt_recursive, opt_force, opt_color_filter):
"""Converts frames with faces to CSV of ROIs"""
import sys
import os
from os.path import join
from pathlib import Path
from glob import glob
from tqdm import tqdm
import numpy as np
import dlib # must keep a local reference for dlib
import cv2 as cv
import pandas as pd
from app.utils import logger_utils, file_utils, im_utils
from app.processors import face_detector
# -------------------------------------------------
# init here
log = logger_utils.Logger.getLogger()
if not opt_force and Path(opt_fp_out).exists():
log.error('File exists. Use "-f / --force" to overwite')
return
if opt_detector_type == types.FaceDetectNet.CVDNN:
detector = face_detector.DetectorCVDNN()
elif opt_detector_type == types.FaceDetectNet.DLIB_CNN:
detector = face_detector.DetectorDLIBCNN(opt_gpu)
elif opt_detector_type == types.FaceDetectNet.DLIB_HOG:
detector = face_detector.DetectorDLIBHOG()
elif opt_detector_type == types.FaceDetectNet.MTCNN:
detector = face_detector.DetectorMTCNN()
elif opt_detector_type == types.FaceDetectNet.HAAR:
log.error('{} not yet implemented'.format(opt_detector_type.name))
return
# -------------------------------------------------
# process here
color_filter = color_filters[opt_color_filter]
# get list of files to process
fp_ims = []
for opt_dir_in in opt_dirs_in:
if opt_recursive:
fp_glob = join(opt_dir_in, '**/*.{}'.format(opt_ext))
fp_ims += glob(fp_glob, recursive=True)
else:
fp_glob = join(opt_dir_in, '*.{}'.format(opt_ext))
fp_ims += glob(fp_glob)
log.debug(fp_glob)
if opt_slice:
fp_ims = fp_ims[opt_slice[0]:opt_slice[1]]
log.debug('processing {:,} files'.format(len(fp_ims)))
data = []
for fp_im in tqdm(fp_ims):
im = cv.imread(fp_im)
# filter out color or grayscale iamges
if color_filter != color_filters['all']:
try:
is_gray = im_utils.is_grayscale(im)
if is_gray and color_filter != color_filters['gray']:
log.debug('Skipping grayscale image: {}'.format(fp_im))
continue
except Exception as e:
log.error('Could not check grayscale: {}'.format(fp_im))
continue
try:
bboxes = detector.detect(im, opt_size=opt_size, opt_pyramids=opt_pyramids)
except Exception as e:
log.error('could not detect: {}'.format(fp_im))
log.error('{}'.format(e))
fpp_im = Path(fp_im)
subdir = str(fpp_im.parent.relative_to(opt_dir_in))
for bbox in bboxes:
# log.debug('is square: {}'.format(bbox.w == bbox.h))
nw,nh = int(bbox.w * im.shape[1]), int(bbox.h * im.shape[0])
roi = {
'fn': fpp_im.stem,
'ext': fpp_im.suffix.replace('.',''),
'x': bbox.x,
'y': bbox.y,
'w': bbox.w,
'h': bbox.h,
'image_height': im.shape[0],
'image_width': im.shape[1],
'subdir': subdir}
bbox_dim = bbox.to_dim(im.shape[:2][::-1]) # w,h
data.append(roi)
# debug display
if opt_display and len(bboxes):
im_md = im_utils.resize(im, width=min(1200, opt_size[0]))
for bbox in bboxes:
bbox_dim = bbox.to_dim(im_md.shape[:2][::-1])
cv.rectangle(im_md, bbox_dim.pt_tl, bbox_dim.pt_br, (0,255,0), 3)
cv.imshow('', im_md)
while True:
k = cv.waitKey(1) & 0xFF
if k == 27 or k == ord('q'): # ESC
cv.destroyAllWindows()
sys.exit()
elif k != 255:
# any key to continue
break
# save date
file_utils.mkdirs(opt_fp_out)
df = pd.DataFrame.from_dict(data)
df.to_csv(opt_fp_out, index=False)
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