AI换脸的前后端交互代码
时间: 2023-09-10 14:09:28 浏览: 67
以下是一个简单的Python前后端交互的代码示例,实现了AI换脸的功能:
前端代码(HTML和JavaScript):
```html
<!DOCTYPE html>
<html>
<head>
<title>AI换脸</title>
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
</head>
<body>
<input type="file" id="sourceImage" accept="image/*">
<br><br>
<input type="file" id="targetImage" accept="image/*">
<br><br>
<button id="swapButton">换脸</button>
<br><br>
<div id="result"></div>
<script>
$(document).ready(function() {
$('#swapButton').click(function() {
var sourceImage = $('#sourceImage')[0].files[0];
var targetImage = $('#targetImage')[0].files[0];
var formData = new FormData();
formData.append('source_image', sourceImage);
formData.append('target_image', targetImage);
$.ajax({
url: '/swap',
type: 'POST',
data: formData,
processData: false,
contentType: false,
success: function(response) {
$('#result').html('<img src="data:image/jpeg;base64,' + response + '">');
},
error: function(xhr, status, error) {
console.log(error);
}
});
});
});
</script>
</body>
</html>
```
后端代码(使用Flask框架):
```python
from flask import Flask, request, jsonify
import cv2
import dlib
import numpy as np
import base64
app = Flask(__name__)
# 加载预训练的人脸关键点检测器、人脸识别模型和人脸对齐器
predictor_path = 'shape_predictor_68_face_landmarks.dat'
face_rec_model_path = 'dlib_face_recognition_resnet_model_v1.dat'
face_alignment_path = 'shape_predictor_5_face_landmarks.dat'
predictor = dlib.shape_predictor(predictor_path)
facerec = dlib.face_recognition_model_v1(face_rec_model_path)
face_alignment = dlib.face_alignment_predictor(face_alignment_path)
# 加载换脸模板图片
template_img = cv2.imread('template.jpg')
# 处理换脸操作
def face_swap(source_img, target_img):
# 检测源图像和目标图像中的人脸位置和关键点
source_rects = dlib.rectangles()
source_rects.append(dlib.rectangle(0, 0, source_img.shape[1], source_img.shape[0]))
source_landmarks = dlib.full_object_detections()
for rect in source_rects:
source_landmarks.append(predictor(source_img, rect))
target_rects = dlib.rectangles()
target_rects.append(dlib.rectangle(0, 0, target_img.shape[1], target_img.shape[0]))
target_landmarks = dlib.full_object_detections()
for rect in target_rects:
target_landmarks.append(predictor(target_img, rect))
# 提取源图像和目标图像的特征向量
source_descriptor = np.array(facerec.compute_face_descriptor(source_img, source_landmarks))
target_descriptor = np.array(facerec.compute_face_descriptor(target_img, target_landmarks))
# 进行人脸对齐
source_aligned_faces = dlib.get_face_chips(source_img, source_landmarks)
target_aligned_faces = dlib.get_face_chips(target_img, target_landmarks)
# 将目标图像的特征向量应用到源图像上
result_img = source_img.copy()
for i, (source_aligned_face, target_aligned_face) in enumerate(zip(source_aligned_faces, target_aligned_faces)):
source_aligned_face = cv2.cvtColor(source_aligned_face, cv2.COLOR_BGR2RGB)
target_aligned_face = cv2.cvtColor(target_aligned_face, cv2.COLOR_BGR2RGB)
# 对源图像的人脸进行特征向量替换
source_aligned_descriptor = np.array(facerec.compute_face_descriptor(source_aligned_face))
diff = target_descriptor - source_descriptor[i]
result_descriptor = source_aligned_descriptor + diff
result_descriptor = result_descriptor.tolist()
# 生成换脸后的图像
result_face = dlib.get_face_chip(result_img, face_alignment.get_initial_face_5_landmarks(result_descriptor))
result_face = cv2.cvtColor(result_face, cv2.COLOR_RGB2BGR)
result_img[rect.top():rect.bottom(), rect.left():rect.right()] = result_face
return result_img
@app.route('/swap', methods=['POST'])
def swap():
source_image = request.files['source_image']
target_image = request.files['target_image']
source_img = cv2.imdecode(np.fromstring(source_image.read(), np.uint8), cv2.IMREAD_COLOR)
target_img = cv2.imdecode(np.fromstring(target_image.read(), np.uint8), cv2.IMREAD_COLOR)
result_img = face_swap(source_img, target_img)
_, buffer = cv2.imencode('.jpg', result_img)
result_base64 = base64.b64encode(buffer).decode('utf-8')
return jsonify(result_base64)
if __name__ == '__main__':
app.run()
```
请注意,此代码示例仅提供了一个基本的框架,实际上还有许多其他的细节和功能可以添加,例如错误处理、输入验证、图像处理的优化等。你可以根据自己的需求进行修改和扩展。同时,你也需要确保安装了Flask库和所需的依赖库。
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