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原创 A Compact Deep Learning Model for Robust Facial Expression Recognition 阅读笔记

1，论文主要贡献提出一种精简的CNN模型来协调在人脸表情识别任务中的“识别正确率”和“模型大小“。在两个标准的数据集上评估提出的网络模型，并展示相较于现阶段方法的优越性。收集了三个不同场景的数据集用于验证模型在多场景的性能。采用增强光照的方法来减轻用不同来源的图片训练模型时产生的过拟合问题。2，模型结构![在这里插入图片描述](https://img-blog.csdnimg.cn...

2019-03-13 17:02:08 760

原创 sklearn练习题

1. GaussianNB：解释见注释代码如下：from sklearn import datasets,cross_validationfrom sklearn.naive_bayes import GaussianNB#from sklearn.svm import SVC#from sklearn import cross_validation#from skl...

2018-06-18 17:15:36 1288

原创 python数据分析练习题

本次作业尝试使用ipython和jupyter的notebook功能来实现py代码。首先是要配置环境，通过命令pip install ipythonpip install jypyteripython notebook配置并打开notebook，下载作业文档，效果如下图所示：打开exercises.ipynb，完成作业。1. ： For each of the four datasets...

2018-06-12 17:08:31 10329

原创 spicy练习题

1. Least squares：代码如下：import numpy as np from scipy.linalg import norm from scipy.linalg import lstsq m=20n=10A = np.random.randint(0,10,size=(m,n)) b = np.random.randint(0,10,s...

2018-06-03 14:53:31 651

原创 matplotlib练习题

1. Plotting a function：代码如下：import numpy as np import matplotlib.pyplot as pltx=np.arange(0,2,0.01)y=np.sin((x-2)*np.exp(-x**2))**2plt.plot(x,y)plt.xlabel('x label')plt.ylabel('y...

2018-05-26 20:31:14 1262

原创 Numpy作业

1. Matrix operations： Calculate A + A, AA>,A>A and AB. Write a function that computes A(B−λI) for any λ. 代码如下：import numpy as npA = np.random.randint(0,10,size=(2,5))B = np.random.r...

2018-05-20 11:38:33 486

原创 Leetcode : 11 Container With Most Water

题目如下：11. Container With Most WaterGiven n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are drawn such that the two endpoints of line i i...

2018-05-15 08:36:55 129

原创 Leetcode : 17 Letter Combinations of a Phone Number

题目如下：17. Letter Combinations of a Phone NumberGiven a string containing digits from 2-9 inclusive, return all possible letter combinations that the number could represent.A mapping of digit to letters...

2018-05-15 08:21:39 186

原创 Leetcode : 100 Same Tree

题目如下：100. Same TreeGiven two binary trees, write a function to check if they are the same or not.Two binary trees are considered the same if they are structurally identical and the nodes have the same...

2018-05-11 21:08:40 129

原创 Leetcode : 83 Remove Duplicates from Sorted List

题目如下：83. Remove Duplicates from Sorted ListGiven a sorted linked list, delete all duplicates such that each element appear only once.Example 1:Input: 1->1->2Output: 1->2Example 2:Input: 1-&...

2018-04-30 17:04:23 117

原创 Leetcode： Move Zeroes

题目如下：283. Move ZeroesGiven an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements.For example, given nums = [0, 1, 0, 3, 12], af...

2018-04-30 16:32:59 116

原创 Leetcode：Merge Two Sorted Lists

题目如下：21. Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the first two lists.Example:Input: 1->2->4...

2018-04-24 10:22:13 154

原创 python作业（10）

11-1 城市和国家：代码如下：import unittestdef city_functions(city,country): full=city.title()+", "+country.title() return fullclass test_city(unittest.TestCase): def test_it(self): full=city_function...

2018-04-16 08:57:55 202

原创 python作业（9）

10-1 Python 学习笔记：代码如下：filename='PythonLearn.txt'with open(filename) as F: contents=F.read() print(contents)with open(filename) as F: for line in F: print(line.rstrip())with open(filename...

2018-04-05 18:04:14 388

原创 python作业（8）

9-1 餐馆：代码如下：class Restaurant(): def __init__(self, name, type): self.name=name self.type=type def open(self): print("The restaurant now is opening.") def describe(self): print("The name...

2018-04-03 23:45:20 472

原创 python作业（7）

8-2 喜欢的图书：代码如下：def favorite_book(_title): print("One of my favorite books is "+_title.title())favorite_book("Alice in Wonderland") 运行结果： 8-3 T-shirt：代码如下：def make_shirt(_title,size):...

2018-04-01 20:54:32 211

原创 python作业（6）

7-2 餐馆订位：代码如下：num=input("Please tell me the number of guests:")num=int(num)if num>8: print("Sorry, there is no table available.")else : print("Please come here.") 运行结果： 7-3 10的整数倍： ...

2018-03-26 18:19:22 258

原创 python作业（5）

6-2 喜欢的数字：代码如下：people={'Lily':'233','Jojo':'3','Bob':'5','admin':'7','Mike':'666'}for name in people.keys(): print(name+"'s favorite number is "+people[name]+".") 运行结果： 6-5 河流：代码如下：peo...

2018-03-22 00:06:15 367

原创 python作业（4）

5-2 更多地条件测试：代码如下：str1="AAAA"str2="BBBB"str3="AAAA"print("str1==str2? "+str(str1==str2))print("str1==str3? "+str(str1==str3))num1=10num2=60num3=10print(num1==num3 and str1==str2)print(nu...

2018-03-20 11:15:19 676

原创 python作业（3）

4-1 比萨：代码如下：pizzas=['apple','banana','pepperoni']for pizza in pizzas: print("I like "+pizza+" pizza")print("I really love pizza!") 运行结果： 4-3 数到20：代码如下：for num in range(1,21): print(n...

2018-03-15 23:31:01 365

原创 python作业（2）

3-2 问候语：代码如下：names = ["Mike" , "JoJo" , "Yoyo"]for name in names: print("Nice to meet you, " + name) 运行结果： 3-4 嘉宾名单：代码如下：names = ["Gates" , "Jobs" , "Zuckerberg"]for nam

2018-03-12 23:00:01 236

原创 python作业（1）

2-3 个性化信息：代码如下：name=input("input your name! ")print("hello "+name+", would you like to learn some Python today?") 运行结果： 2-4 调整名字的大小写：代码如下：name=input("input your name! ")print(name.uppe...

2018-03-09 11:12:42 365

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