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Teaching machines to learn!!

Sean Benhur seanbenhur

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Teaching machines to learn!!
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seanbenhur / facedetect.py
Created May 16, 2020 13:56
This Face Detection code is built on using HaarCascade Classifier which will detect eyes and Face You will need Python to implement this code!! You should also install libraries numpy,opencv for this!! Which you can install it via pip-install command on your terminal
import cv2
face_cascade=cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
eye_cascade=cv2.CascadeClassifier('haarcascade_eye.xml')
cap=cv2.VideoCapture(0)
while True:
ret,img=cap.read()
gray=cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)
routes = []
#write a function to find path
def find_path(node, cities, path, distance):
#add way point
path.append(node)
#calcualte path length
if len(path) > 1:
distance += cities[path[-2]][node]
#if path contains all cities and is not a dead end
#add path from the first city
# Load the the dataset from raw image folders
siamese_dataset = SiameseDataset(training_csv,training_dir,
transform=transforms.Compose([transforms.Resize((105,105)),
transforms.ToTensor()
])
)
# Declare Siamese Network
net = SiameseNetwork().cuda()
# Decalre Loss Function
criterion = ContrastiveLoss()
# Declare Optimizer
optimizer = th.optim.Adam(net.parameters(), lr=1e-3, weight_decay=0.0005)
#train the model
def train():
loss=[]
counter=[]
#create a siamese network
class SiameseNetwork(nn.Module):
def __init__(self):
super(SiameseNetwork, self).__init__()
# Setting up the Sequential of CNN Layers
self.cnn1 = nn.Sequential(
nn.Conv2d(1, 96, kernel_size=11,stride=1),
nn.ReLU(inplace=True),
nn.LocalResponseNorm(5,alpha=0.0001,beta=0.75,k=2),
nn.MaxPool2d(3, stride=2),
#preprocessing and loading the dataset
class SiameseDataset():
def __init__(self,training_csv=None,training_dir=None,transform=None):
# used to prepare the labels and images path
self.train_df=pd.read_csv(training_csv)
self.train_df.columns =["image1","image2","label"]
self.train_dir = training_dir
self.transform = transform
def __getitem__(self,index):
# Load the test dataset
test_dataset = SiameseDataset(training_csv=testing_csv,training_dir=testing_dir,
transform=transforms.Compose([transforms.Resize((105,105)),
transforms.ToTensor()
])
)
test_dataloader = DataLoader(test_dataset,num_workers=6,batch_size=1,shuffle=True)
#test the network
count=0
class Solution(object):
def longestConsecutive(self, nums):
"""
:type nums: List[int]
:rtype: int
"""
nums = set(nums)
best = 0
for x in nums:
if x-1 not in nums:
class Lenet(nn.Module):
def __init__(self):
super(Lenet,self).__init__()
self.tanh = nn.Tanh()
self.pool = nn.AvgPool2d(kernel_size=(2,2),stride=(2,2))
self.conv1 = nn.Conv2d(in_channels=1,out_channels=6,kernel_size=(5,5),stride=(1,1))
self.conv2 = nn.Conv2d(in_channels=6,out_channels=16,kernel_size=(5,5),stride=(1,1))
self.conv3 = nn.Conv2d(in_channels=16,out_channels=120,kernel_size=(5,5),stride=(1,1))
self.linear1 = nn.Linear(120,84)
self.linear2 = nn.Linear(84,10)
class AlexNet(nn.Module):
def __init__(self):
super(AlexNet, self).__init__()
self.features = nn.Sequential(
nn.Conv2d(3, 64, kernel_size=11, stride=4, padding=2),
nn.ReLU(),
nn.LocalResponseNorm(size=5,alpha=0.0001,beta=0.75,k=2),
nn.MaxPool2d(kernel_size=3, stride=2),
nn.Conv2d(64, 192, kernel_size=5, padding=2),
nn.ReLU(),