显示无法识别命令行中的代码
时间: 2023-06-24 19:04:10 浏览: 42
抱歉,我误解了您的问题。如果您想在命令行中显示代码,可以使用以下命令:
- Windows:`type filename.extension` 或 `more filename.extension`
- Mac/Linux:`cat filename.extension` 或 `more filename.extension`
其中,`filename.extension` 是您要显示的代码文件名和扩展名。
相关问题
人脸识别性别年龄python代码
以下是使用Python和OpenCV库实现人脸识别、性别识别和年龄识别的代码:
```
import cv2
import math
import argparse
# 加载人脸识别模型和性别识别模型
face_model = cv2.CascadeClassifier('haarcascade_frontalface_default.xml')
gender_model = cv2.dnn.readNetFromCaffe('deploy_gender.prototxt', 'gender_net.caffemodel')
age_model = cv2.dnn.readNetFromCaffe('deploy_age.prototxt', 'age_net.caffemodel')
# 解析命令行参数
parser = argparse.ArgumentParser()
parser.add_argument('--image', help='输入图片路径')
args = parser.parse_args()
# 加载输入图片
img = cv2.imread(args.image)
# 缩放图片
scale_percent = 60
width = int(img.shape[1] * scale_percent / 100)
height = int(img.shape[0] * scale_percent / 100)
dim = (width, height)
img = cv2.resize(img, dim, interpolation = cv2.INTER_AREA)
# 转换为灰度图像
gray_img = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 检测人脸
faces = face_model.detectMultiScale(gray_img, scaleFactor=1.1, minNeighbors=5)
# 对每个人脸进行性别识别和年龄识别
for (x, y, w, h) in faces:
# 提取人脸图像
face_img = img[y:y+h, x:x+w].copy()
# 进行性别识别
gender_blob = cv2.dnn.blobFromImage(face_img, 1, (227, 227), (78.4263377603, 87.7689143744, 114.895847746), swapRB=False)
gender_model.setInput(gender_blob)
gender_preds = gender_model.forward()
gender = 'Male' if gender_preds[0][0] > gender_preds[0][1] else 'Female'
# 进行年龄识别
age_blob = cv2.dnn.blobFromImage(face_img, 1, (227, 227), (78.4263377603, 87.7689143744, 114.895847746), swapRB=False)
age_model.setInput(age_blob)
age_preds = age_model.forward()
age = int(age_preds[0][0] * 100)
# 在图像上绘制人脸框和性别、年龄信息
cv2.rectangle(img, (x, y), (x+w, y+h), (0, 255, 0), 2)
label = "{} {}".format(gender, age)
cv2.putText(img, label, (x, y), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (0, 255, 0), 2)
# 显示输出图像
cv2.imshow('Output', img)
cv2.waitKey(0)
```
说明:
- 代码中使用了OpenCV和argparse两个Python库。
- 人脸识别模型使用了OpenCV自带的哈尔级联分类器。
- 性别识别和年龄识别模型使用了Caffe深度学习框架。
- 代码中使用了命令行参数,可以通过命令行传入输入图片路径。
python opencv人脸性别年龄识别代码
以下是一个基于OpenCV和深度学习的人脸性别年龄识别代码示例:
```python
import cv2
import math
import argparse
# 加载模型文件
face_caffe_model = "deploy.prototxt"
face_caffe_weight = "res10_300x300_ssd_iter_140000.caffemodel"
gender_caffe_model = "gender_net.caffemodel"
gender_caffe_weight = "gender_deploy.prototxt"
age_caffe_model = "age_net.caffemodel"
age_caffe_weight = "age_deploy.prototxt"
# 定义性别和年龄标签
gender_labels = ['Male', 'Female']
age_labels = ['(0-2)', '(4-6)', '(8-12)', '(15-20)', '(25-32)', '(38-43)', '(48-53)', '(60-100)']
# 加载人脸检测模型和性别、年龄识别模型
face_net = cv2.dnn.readNetFromCaffe(face_caffe_model, face_caffe_weight)
gender_net = cv2.dnn.readNetFromCaffe(gender_caffe_model, gender_caffe_weight)
age_net = cv2.dnn.readNetFromCaffe(age_caffe_model, age_caffe_weight)
# 处理人脸图像
def process_face_image(image):
# 提取图像大小
(h, w) = image.shape[:2]
# 构建人脸检测的输入blob
blob = cv2.dnn.blobFromImage(cv2.resize(image, (300, 300)), 1.0,
(300, 300), (104.0, 177.0, 123.0))
# 通过人脸检测网络检测人脸
face_net.setInput(blob)
detections = face_net.forward()
# 遍历检测结果
for i in range(0, detections.shape[2]):
# 提取置信度
confidence = detections[0, 0, i, 2]
# 过滤掉低置信度的检测结果
if confidence > 0.5:
# 计算人脸位置坐标
box = detections[0, 0, i, 3:7] * np.array([w, h, w, h])
(startX, startY, endX, endY) = box.astype("int")
# 提取人脸ROI区域
face = image[startY:endY, startX:endX]
# 构建性别和年龄检测的输入blob
face_blob = cv2.dnn.blobFromImage(face, 1.0, (227, 227),
(78.4263377603, 87.7689143744, 114.895847746), swapRB=False)
# 通过性别和年龄检测网络进行性别和年龄识别
gender_net.setInput(face_blob)
gender_preds = gender_net.forward()
age_net.setInput(face_blob)
age_preds = age_net.forward()
# 提取性别和年龄标签
gender_label = gender_labels[gender_preds[0].argmax()]
age_label = age_labels[age_preds[0].argmax()]
# 计算年龄和性别的置信度
gender_confidence = gender_preds[0].max()
age_confidence = age_preds[0].max()
# 在图像中绘制人脸框、性别和年龄标签
cv2.rectangle(image, (startX, startY), (endX, endY), (0, 0, 255), 2)
label = "{}, {:.2f}%".format(gender_label, gender_confidence * 100)
cv2.putText(image, label, (startX, startY - 10),
cv2.FONT_HERSHEY_SIMPLEX, 0.8, (0, 0, 255), 2)
label = "{}, {:.2f}%".format(age_label, age_confidence * 100)
cv2.putText(image, label, (startX, startY + (endY - startY) + 30),
cv2.FONT_HERSHEY_SIMPLEX, 0.8, (0, 0, 255), 2)
return image
# 主函数
if __name__ == '__main__':
# 解析命令行参数
parser = argparse.ArgumentParser()
parser.add_argument('--image', required=True, help='path to input image')
args = parser.parse_args()
# 加载输入图像
image = cv2.imread(args.image)
# 处理人脸图像并显示结果
result = process_face_image(image)
cv2.imshow("Output", result)
cv2.waitKey(0)
```
注意:在运行代码之前,你需要下载相应的模型文件并将其放置在正确的路径下,才能正常运行代码。
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