用文心大模型生成剪纸风格的城市插画

AI Studio

1500人浏览 · 2022-08-27 15:57:09

AI Studio · 2022-08-27 15:57:09 发布

用文心大模型生成剪纸风格的城市插画

1、简介

文心大模型能够根据描述生成图片，对中文支持非常好
这个项目利用文心大模型，尝试生成剪纸风格的城市插画
把文字描述通过API交给模型，然后由模型生成图片
文字描述中带有“黑白”即可生成黑白图片
文字描述中带有“剪纸”模型就会尽可能的生成剪纸风格
经过试验，发现把“黑白”和“剪纸”同时使用，并且使用“粉笔画”类型，生成的效果比较好
这个实验工程使用了一个免费的天气预报接口，为的是随机获取一个城市和当前的天气，并以此生成图片，
如果你复制了我这个工程，需要把天气预报接口换成你自己的，然后才能运行
或者，直接交给模型一个城市名称
这个实验工程中用到了文心大模型的开放API，因此需要配置ak和sk

放两张效果图

2、使用paddlehub 调用文心大模型生成城市风景剪纸

增加一个使用paddlehub调用文心大模型来生成图片的处理办法
参考 PaddleHub：使用文心大模型-ERNIE VILG 进行高质量图文生成
调用的接口函数有个保存图片的动作，图片的文件名就是传入的提示词prompts，
然而它没有检查提示词是否符合操作系统文件名的规则，所以要特别注意，
传入的提示词里面不能包含冒号等不能出现在文件名里面的字符
加入提示词“红白”来限制颜色，效果更接近真实的剪纸

2.1 第一步，安装paddlehub

!pip install --upgrade paddlehub

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2.2 第二步：导入需要的包

import json
import PIL.Image as Image
import random
#import numpy as np
from io import BytesIO
#import base64
import requests
import matplotlib.pyplot as plt
#import cv2
#import wenxin_api # 可以通过"pip install wenxin-api"命令安装
#from wenxin_api.tasks.text_to_image import TextToImage

2.3 第三步：配置天气预报接口

我这里使用了一个免费的天气预报接口，有访问次数限制

# 天气api接口配置
tianqi_apicfg = "yiketianqi.com"    # api 配置文件
tianqi_appid,tianqi_appsecret = (None,None)
with open(tianqi_apicfg) as f:
    i = 0    # 行计数，只读取2行
    for line in f:
        i += 1
        if i>2: break
        lbl,val = line.strip().split("=")
        lbl = lbl.strip()
        val = val.strip()
        if lbl == "appid":
            tianqi_appid = val
        elif lbl == "appsecret":
            tianqi_appsecret = val
        # print(line)
#print(f"appid:{tianqi_appid}\nappsecret:{tianqi_appsecret}")

2.4 第四步：随机获取一个城市代码

城市代码放在了 city.json 这个文件，这是我使用的这个天气预报接口提供的，但基本上通用的

# 读取城市列表
city_json = "city.json"
citys = None
with open(city_json) as f:
    citys = json.load(f)
idx = random.randint(0,len(citys)-1)    # 随机选取一个城市
#print(citys[idx])
#city_id = citys[0]["id"]
city_id = citys[idx]["id"]    # 获取城市id
print(city_id)
print(citys[idx]["cityZh"])

101140310
桑日

2.5 第五步：获取天气预报

请使用你自己的天气预报接口，或者直接传入城市名和天气描述

# 读取天气数据

#tianqi_url = f"https://v0.yiketianqi.com/api?unescape=1&version=v61&appid={tianqi_appid}&appsecret={tianqi_appsecret}"
tianqi_url = f"https://www.yiketianqi.com/free/day?appid={tianqi_appid}&appsecret={tianqi_appsecret}&unescape=1&cityid={city_id}"
tianqi_resp = requests.get(tianqi_url)
tianqi_resp = tianqi_resp.json()
print(tianqi_resp)

{'nums': 2, 'cityid': '101140310', 'city': '桑日', 'date': '2022-08-25', 'week': '星期四', 'update_time': '19:51', 'wea': '多云', 'wea_img': 'yun', 'tem': '23', 'tem_day': '25', 'tem_night': '11', 'win': '北风', 'win_speed': '2级', 'win_meter': '9km/h', 'air': '44', 'pressure': '659', 'humidity': '35%'}

2.6 第六步：提取城市名称和天气状况

# 提取天气字段
txt_tianqi = tianqi_resp["wea"]
txt_city = tianqi_resp["city"]
print(f"{txt_city}:{txt_tianqi}")

桑日:多云

2.7 第七步，通过paddlehub调用文心大模型接口

# 通过paddlehub调用文心大模型
import paddlehub as hub    # 导入paddlehub
ernie_vilg_module = hub.Module(name='ernie_vilg')    # 导入模型

input_txt = f"红白,剪纸,城市：{txt_city},{txt_tianqi}"
results = ernie_vilg_module.generate_image(
    text_prompts=input_txt,    # 提示词
    style="粉笔画",    # 图片类型
    topk = 10,    # 图片数量，最大10
    output_dir='./imgs')    # 图片保存目录
# 返回的results 就是图片列表,PIL的Image格式

Download https://bj.bcebos.com/paddlehub/paddlehub_dev/ernie_vilg.tar.gz
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[2022-08-25 20:52:25,869] [    INFO] - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: | - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: / - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: - - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: | - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: / - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: - - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: | - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: / - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: - - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: | - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: / - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: - - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: | - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: / - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: - - Installing dependent packages from /home/aistudio/.paddlehub/tmp/tmphvvdi0lv/ernie_vilg/requirements.txt: \ - Successfully installed dependent packages.
[2022-08-25 20:52:26,030] [    INFO] - Successfully installed ernie_vilg-1.0.0



HBox(children=(IntProgress(value=0), HTML(value='')))


Saving Images...
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2.8 显示图片

# 将结果显示出来

# 定义一个用于显示图片的函数
def show_pic(pic):
    plt.figure(dpi = 144)
    plt.axis('off')
    plt.imshow(pic)

for pic in results:
    show_pic(pic)

在这里插入图片描述

3、使用文心大模型开放API生成城市风景剪纸

这里使用了“黑白”来限制颜色，比“红白”保险，但不如“红白”效果好

3.1 第一步：安装文心API

因为是直接调用API，因此不需要GPU环境，但是需要安装文心API包

# 安装文心api
!pip install --upgrade wenxin-api

3.2 第二步：准备一个图片显示函数

# 图片显示函数
def show_img(img_path):
    response = requests.get(img_path) #图片地址
    response = response.content
    BytesIOObj = BytesIO()
    BytesIOObj.write(response)
    img = Image.open(BytesIOObj)
    #img = cv2.cvtColor(np.asarray(img), cv2.COLOR_RGB2BGR)
    #img = img.resize((120,120))
    #plt.figure(dpi = 300)
    plt.figure(dpi = 144)
    plt.axis('off')
    plt.imshow(img)

3.3 第三步：配置文心API

先要去文心官网 https://wenxin.baidu.com/ 申请自己的ak和sk

# 模型api接口配置
import wenxin_api # 可以通过"pip install wenxin-api"命令安装
from wenxin_api.tasks.text_to_image import TextToImage

# 我这里把ak和sk放到了一个文件里，请使用自己申请到的ak和sk
# 文件内只有两行，形如    ak = XXXXX
wenxin_apicfg = "wenxin.baidu.com"    # api 配置文件
with open(wenxin_apicfg) as f:
    i = 0    # 行计数，只读取2行
    for line in f:
        i += 1
        if i>2: break
        lbl,val = line.strip().split("=")
        lbl = lbl.strip()
        val = val.strip()
        if lbl == "ak":
            wenxin_api.ak = val
        elif lbl == "sk":
            wenxin_api.sk = val
        # print(line)
#print(f"wenxin_ak:{wenxin_api.ak}\nwenxin_sk:{wenxin_api.sk}")

3.4 第四步：调用模型生成图片，并显示出来

“黑白”效果比较保险，但“红白”更接近真实剪纸效果

# 调用模型
# -*- coding: utf-8 -*
#import wenxin_api # 可以通过"pip install wenxin-api"命令安装
#from wenxin_api.tasks.text_to_image import TextToImage
#wenxin_api.ak = ""
#wenxin_api.sk = ""

input_txt = f"黑白,剪纸,城市:{txt_city},{txt_tianqi}"
input_dict = {
    "text": input_txt,
    "style": "粉笔画"
}
rst = TextToImage.create(**input_dict)    # 转换成关键字参数传递给接口
# rst dict类型
#print(rst)

# 显示图片
imgUrls = rst["imgUrls"]    # 提取图片地址，list格式

for imurl in imgUrls:
    #print(imurl)
    show_img(imurl)

2022-08-25 12:45:36,668 - model is painting now!, taskId: 1055201, waiting: 30s
2022-08-25 12:45:56,849 - model is painting now!, taskId: 1055201, waiting: 30s

在这里插入图片描述

4、调整一下输入的提示词，还可以生成其他风格的画面

4.1 苏绣风格

# 通过paddlehub调用文心大模型
import paddlehub as hub    # 导入paddlehub
ernie_vilg_module = hub.Module(name='ernie_vilg')    # 导入模型

input_txt = f"苏绣,城市：{txt_city},{txt_tianqi}"
results = ernie_vilg_module.generate_image(
    text_prompts=input_txt,    # 提示词
    style="粉笔画",    # 图片类型
    topk = 10,    # 图片数量，最大10
    output_dir='./imgs')    # 图片保存目录
# 返回的results 就是图片列表,PIL的Image格式

# 将结果显示出来

# 定义一个用于显示图片的函数
def show_pic(pic):
    plt.figure(dpi = 144)
    plt.axis('off')
    plt.imshow(pic)

for pic in results:
    show_pic(pic)

HBox(children=(IntProgress(value=0), HTML(value='')))


Saving Images...
Done

在这里插入图片描述

4.2 刺绣风格

#  “刺绣”
input_txt = f"刺绣,城市：{txt_city},{txt_tianqi}"
results = ernie_vilg_module.generate_image(
    text_prompts=input_txt,    # 提示词
    style="粉笔画",    # 图片类型
    topk = 10,    # 图片数量，最大10
    output_dir='./imgs')    # 图片保存目录
# 返回的results 就是图片列表,PIL的Image格式

# 将结果显示出来
for pic in results:
# 将结果显示出来
for pic in results:
    show_pic(pic)

HBox(children=(IntProgress(value=0), HTML(value='')))


Saving Images...
Done

在这里插入图片描述

5、总结

两种方式可以调用文心大模型：使用开放API，或者通过Paddlehub
使用开放API需要申请ak和sk，通过paddlehub调用不需要
使用paddlehub时，要注意保存的文件名问题，否则无法保存图片
就剪纸效果来看，目前以“粉笔画”生成的效果最好
可以传入颜色描述，比如“红白”来控制图片的颜色

请点击此处查看本环境基本用法.

Please click here for more detailed instructions.

此文章为搬运
原项目链接