#?Import?the?OpenCV?library
import?cv2
#?Initialize?a?face?cascade?using?the?frontal?face?haar?cascade?provided
#?with?the?OpenCV2?library.?This?will?be?required?for?face?detection?in?an
#?image.
faceCascade?=?cv2.CascadeClassifier（‘haarcascade_frontalface_default.xml‘）
#?The?desired?output?width?and?height?can?be?modified?according?to?the?needs.
OUTPUT_SIZE_WIDTH?=?700
OUTPUT_SIZE_HEIGHT?=?600

#?Open?the?first?webcam?device
capture?=?cv2.VideoCapture（0）

#?Create?two?opencv?named?windows?for?showing?the?input?output?images.
cv2.namedWindow（“base-image“?cv2.WINDOW_AUTOSIZE）
cv2.namedWindow（“result-image“?cv2.WINDOW_AUTOSIZE）

#?Position?the?windows?next?to?each?other
cv2.moveWindow（“base-image“?20?200）
cv2.moveWindow（“result-image“?640?200）

#?Start?the?window?thread?for?the?two?windows?we?are?using
cv2.startWindowThread（）

rectangleColor?=?（0?100?255）

while（1）:
????#?Retrieve?the?latest?image?from?the?webcam
????rcfullSizebaseImage?=?capture.read（）
#?Resize?the?image?to?520x420
????baseImage=?cv2.resize（fullSizebaseImage?（520?420））

#?Check?if?a?key?was?pressed?and?if?it?was?Q?or?q?then?destroy?all
#?opencv?windows?and?exit?the?application?stopping?the?infinite?loop.
????pressedKey?=?cv2.waitKey（2）
????if?（pressedKey?==?ord（‘Q‘））?|?（pressedKey?==?ord（‘q‘））:
????????cv2.destroyAllWindows（）
????????exit（0）
#?Result?image?is?the?image?we?will?show?the?user?which?is?a
#?combination?of?the?original?image?captured?from?the?webcam?with?the
#?overlayed?rectangle?detecting?the?largest?face
????resultImage?=?baseImage.copy（）

#?We?will?be?using?gray?colored?image?for?face?detection.
#?So?we?need?to?convert?the?baseImage?captured?by?webcam?to?a?gray-based?image
????gray_image?=?cv2.cvtColor（baseImage?cv2.COLOR_BGR2GRAY）
????faces?=?faceCascade.detectMultiScale（gray_image?1.3?5）
????#?As?we?are?only?interested?in?the?‘largest‘?face?we?need?to
#?calculate?the?largest?area?of?the?found?rectangle.
#?For?this?first?initialize?the?required?variables?to?0.
????maxArea?=?0
????x?=?0
????y?=?0
????w?=?0
????h?=?0

#?Loop?over?all?faces?found?in?the?image?and?check?if?the?area?for?this?face?is
#?the?largest?so?far
????for（_x?_y?_w?_h）?in?faces:
????????if?_w?*?_h?>?maxArea:
????????????x?=?_x
????????????y?=?_y
????????????w?=?_w
????????????h?=?_h
????????????maxArea?=?w?*?h
#?If?any?face?is?found?draw?a?rectangle?around?the?largest?face?present?in?the?picture
????if?maxArea?>?0:
????????cv2.rectangle（resultImage?（x-10?y-20）（x?+?w+10?y?+?h+20）?rectangleColor?2）
#?Since?we?want?to?show?something?larger?on?the?screen?than?the
#?original?520x420?we?resize?the?image?again

#?Note?that?it?would?also?be?possible?to?keep?the?large?version
#?of?the?baseimage?and?make?the?result?image?a?copy?of?this?large
#?base?image?and?use?the?scaling?factor?to?draw?the?rectangle
#?at?the?right?coordinates.
????largeResult?=?cv2.resize（resultImage（OUTPUT_SIZE_WIDTH?OUTPUT_SIZE_HEIGHT））
#?Finally?we?show?the?images?on?the?screen
????cv2.imshow（“base-im

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\
?????文件??????????66??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\.gitattributes
?????文件???????28610??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\9781484235157.jpg
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter10_RNN?and?LSTM?in?visual\
?????文件???????58177??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter10_RNN?and?LSTM?in?visual\Time?Series?forcasting?with?lstm?model.ipynb
?????文件???????48119??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter10_RNN?and?LSTM?in?visual\sp500.csv
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter11_Speech?to?text?and?vice?versa\
?????文件???????14096??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter11_Speech?to?text?and?vice?versa\Speech?to?Text?API?and?Text?to?Speech.ipynb
?????文件??????704556??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter11_Speech?to?text?and?vice?versa\audio.wav
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\
?????文件??????????72??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\Removing?Punctuations.ipynb
?????文件??????????72??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\Removing?Stopwords.ipynb
?????文件???????26152??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\TF-IDF?and?Word2Vec.ipynb
?????文件??????????72??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\Tokenization.ipynb
?????文件????????1393??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter12_Developing?Chatbots\intent1.csv
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter13_Face?Recognition\
?????文件????????3062??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter13_Face?Recognition\Face_Detection.py
?????文件????????5288??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter13_Face?Recognition\Face_Recognition.py
?????文件????????6612??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter13_Face?Recognition\Face_Tracking.py
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter1_Prerequisites?of??Deep?Learning?Numpy?Pandas?and?Scikit-Learn\
?????文件??????341456??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter1_Prerequisites?of??Deep?Learning?Numpy?Pandas?and?Scikit-Learn\chapter1_summary.ipynb
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter2_Basics?of?Tensorflow\
?????文件????????6190??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter2_Basics?of?Tensorflow\TFBasics.ipynb
?????文件???????27538??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter2_Basics?of?Tensorflow\chapter2_summary.ipynb
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\
?????文件???????32446??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\MLPMNIST.ipynb
?????文件????????9107??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\Softmax?_RegressionB.ipynb
?????文件???????34522??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\chapter3_summary.ipynb
?????文件????13115488??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\model.h5
?????文件?????6564312??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter3_Understanding?and?working?on?Keras\modelWeight.h5
?????目錄???????????0??2018-05-22?15:41??Deep-Learning-Apps-Using-Python-master\Chapter5_Regresson?to?MLP?in?Tensorflow\
............此處省略27個文件信息