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detect.py
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import sys
import time
from PIL import Image, ImageDraw
from models.tiny_yolo import TinyYoloNet
from utils import *
from darknet import Darknet
def detect(cfgfile, weightfile, imgfile):
m = Darknet(cfgfile)
m.print_network()
m.load_weights(weightfile)
print('Loading weights from %s... Done!' % (weightfile))
num_classes = 80
if num_classes == 20:
namesfile = 'data/voc.names'
elif num_classes == 80:
namesfile = 'data/coco.names'
else:
namesfile = 'data/names'
use_cuda = 1
if use_cuda:
m.cuda()
img = Image.open(imgfile).convert('RGB')
sized = img.resize((m.width, m.height))
for i in range(2):
start = time.time()
boxes = do_detect(m, sized, 0.5, 0.4, use_cuda)
finish = time.time()
if i == 1:
print('%s: Predicted in %f seconds.' % (imgfile, (finish-start)))
class_names = load_class_names(namesfile)
plot_boxes(img, boxes, 'predictions.jpg', class_names)
def detect_cv2(cfgfile, weightfile, imgfile):
import cv2
m = Darknet(cfgfile)
m.print_network()
m.load_weights(weightfile)
print('Loading weights from %s... Done!' % (weightfile))
if m.num_classes == 20:
namesfile = 'data/voc.names'
elif m.num_classes == 80:
namesfile = 'data/coco.names'
else:
namesfile = 'data/names'
use_cuda = 1
if use_cuda:
m.cuda()
img = cv2.imread(imgfile)
sized = cv2.resize(img, (m.width, m.height))
sized = cv2.cvtColor(sized, cv2.COLOR_BGR2RGB)
for i in range(2):
start = time.time()
boxes = do_detect(m, sized, 0.5, 0.4, use_cuda)
finish = time.time()
if i == 1:
print('%s: Predicted in %f seconds.' % (imgfile, (finish-start)))
class_names = load_class_names(namesfile)
plot_boxes_cv2(img, boxes, savename='predictions.jpg', class_names=class_names)
def detect_skimage(cfgfile, weightfile, imgfile):
from skimage import io
from skimage.transform import resize
m = Darknet(cfgfile)
m.print_network()
m.load_weights(weightfile)
print('Loading weights from %s... Done!' % (weightfile))
if m.num_classes == 20:
namesfile = 'data/voc.names'
elif m.num_classes == 80:
namesfile = 'data/coco.names'
else:
namesfile = 'data/names'
use_cuda = 1
if use_cuda:
m.cuda()
img = io.imread(imgfile)
sized = resize(img, (m.width, m.height)) * 255
for i in range(2):
start = time.time()
boxes = do_detect(m, sized, 0.5, 0.4, use_cuda)
finish = time.time()
if i == 1:
print('%s: Predicted in %f seconds.' % (imgfile, (finish-start)))
class_names = load_class_names(namesfile)
plot_boxes_cv2(img, boxes, savename='predictions.jpg', class_names=class_names)
if __name__ == '__main__':
if len(sys.argv) == 4:
cfgfile = sys.argv[1]
weightfile = sys.argv[2]
imgfile = sys.argv[3]
detect(cfgfile, weightfile, imgfile)
#detect_cv2(cfgfile, weightfile, imgfile)
#detect_skimage(cfgfile, weightfile, imgfile)
else:
print('Usage: ')
print(' python detect.py cfgfile weightfile imgfile')
#detect('cfg/tiny-yolo-voc.cfg', 'tiny-yolo-voc.weights', 'data/person.jpg', version=1)