【AI-CAMP四期】第五组作业

:no_mouth:

1赞
第一周作业
第二周作业
赵玺第一周作业

lALPDhJzxBeTeoXNAa7NAX8_383_430

lile第一周作业
代码

import matplotlib.pylab as plt
import numpy as np
from imgaug import augmenters as iaa

def img_aug(imgs):
seq = iaa.Sequential(
[
iaa.Crop(px=(0,16)),
iaa.Affine(
rotate=(-45, 45),
)
],
random_order=True
)
return seq.augment_images(imgs)

def unpickle(file):
import pickle
with open(file, ‘rb’) as fo:
dict = pickle.load(fo, encoding=‘bytes’)
return dict

def Getphoto(pixel):
assert len(pixel) == 3072
r = pixel[0:1024]; r = np.reshape(r, [32, 32, 1])
g = pixel[1024:2048]; g = np.reshape(g, [32, 32, 1])
b = pixel[2048:3072]; b = np.reshape(b, [32, 32, 1])
photo = np.concatenate([r, g, b], -1)
return photo

统计

def img_mean_max_min(np_array):
npa = np.array(np_array)
max_w = npa.max(axis=0)
min_h = npa.min(axis=0)
mean_w = npa.mean(axis=0)
mean_h = npa.mean(axis=0)
result_format = [max_w[0],min_h[1],mean_w[0],mean_h[1]]
print(“max_widht: {0}, max_height: {1},avg_widht: {2}, avg_height: {3}”.format(*result_format))
images =
images_shape =
for i in range(1, 1+5):
tmp = unpickle("./dataset/cifar-10-batches-py/data_batch_%d"%i)[b’data’]
a = np.random.choice(a=1000, size=3, replace=False, p=None)
for i in tmp[a]:
img = Getphoto(i)
images.append(img)
#print (img.shape)
images_shape.append(img.shape)

img_mean_max_min(images_shape)

auged_imgs = img_aug(images)
for i in range(len(auged_imgs)):
work3_1 = np.concatenate((images[i], auged_imgs[i]), axis=1)
plt.imshow(work3_1)
plt.show()

统计信息


结果输出

第一周作业

max_width : 32
max_height: 32
avg_width : 32.0
avg_height: 32.0

第一周作业
https://studio.brainpp.com/project/9943?name=AI培训课后作业(3_1)_weierpeng_作业
第二周作业
https://studio.brainpp.com/project/10449?name=AI培训课后作业(3_2)_weierpeng_作业

高江峰作业

第一周作业

统计信息
----| max: 32, 32
----| min: 32, 32
----| avg: 32.0, 32.0
----| cnt: 9
截图

第二周作业

image
image

小组作业 - 第二周


correct: 9905, total: 10000, accuracy: 0.9905
image

王迪第一周作业

统计信息:
(10, 32, 32, 3)
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}
图片信息统计结果: {‘avg_height’: 32, ‘avg_width’: 32}

效果结果:

王迪第二周作业

线性拟合

数据训练

王迪第三周作业

小组基础作业
1.爬取数据:


2.标注需求申请

3.标注需求文档

王迪第四周作业

1.CIFAR10训练:
image image
2.测试点数

王迪第五周作业

小组作业
1.正负样本:
image
2.划分数据集:


3.train

第二周作业





赵玺第一周作业

lALPDhJzxBeTeoXNAa7NAX8_383_430

赵玺第二周作业


赵玺第三周作业

![import re
import requests

header = {
‘User-Agent’: ‘Mozilla/5.0(Windows NT 5.1) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.84 Safari/535.11 SE 2.X MetaSr 1.0’,
‘Referer’: ‘https://image.baidu.com
}

keyword_encode = “城市道路的充气拱门”

def get_images(total_num, keyword_encode=keyword_encode, start_num=1):
n = start_num
start_num = start_num
page_num = 30
img_set = set()
url = 'https://image.baidu.com/search/acjson?’

while True:

    param = {
        'tn': 'resultjson_com',
        'logid': '8846269338939606587',
        'ipn': 'rj',
        'ct': '201326592',
        'is': '',
        'fp': 'result',
        'queryWord': keyword_encode,
        'cl': '2',
        'lm': '-1',
        'ie': 'utf-8',
        'oe': 'utf-8',
        'adpicid': '',
        'st': '-1',
        'z': '',
        'ic': '',
        'hd': '',
        'latest': '',
        'copyright': '',
        'word': keyword_encode,
        's': '',
        'se': '',
        'tab': '',
        'width': '',
        'height': '',
        'face': '0',
        'istype': '2',
        'qc': '',
        'nc': '1',
        'fr': '',
        'expermode': '',
        'force': '',
        'cg': 'girl',
        'pn': start_num,
        'rn': page_num,
        'gsm': '1e',
    }
    res = requests.get(url=url, headers=header, params=param)
    res.encoding = 'utf-8'
    try:
        res_data = res.json(strict=False)['data']
        for img_url in res_data:
            img_url = img_url.get('thumbURL')

            if not img_url:
                continue

            if n > total_num:
                print(f"Finished: Totally download {n - 1} images.")
                return

            if img_url in img_set:
                print('重复')
                continue

            img_set.add(img_url)
            download_img(img_url, n)
            n += 1
    except Exception as e:
        print(e)
    finally:
        start_num += page_num - 1

def download_img(img_url, num):
print(f"Downloading image {num}: {img_url}")
img = requests.get(img_url)
with open(‘image/{}.jpg’.format(num), ‘wb’) as f:
f.write(img.content)

if name == ‘main’:
get_images(1000, start_num=986)]


image image

赵玺第四周作业


没有修改权限了,第二周作业无法提交