给一张图片通过python代码计算yaw(偏航角)、pitch(俯仰角)、roll(翻滚角)
时间: 2024-01-31 13:01:56 浏览: 314
FacePoseEstimation:Estimat 3自由度面角
当然可以!你可以使用Python中的OpenCV库来计算图像的偏航角、俯仰角和翻滚角。以下是一个示例代码:
```python
import cv2
import numpy as np
def calculate_yaw_pitch_roll(image_path):
# 加载图像
image = cv2.imread(image_path)
# 定义相机内参
focal_length = image.shape[1]
center = (image.shape[1] / 2, image.shape[0] / 2)
camera_matrix = np.array([[focal_length, 0, center[0]],
[0, focal_length, center[1]],
[0, 0, 1]], dtype=np.float64)
# 定义畸变系数
dist_coeffs = np.zeros((4, 1))
# 检测角点
# 注意:这里假设你的图像中包含了一个棋盘格,你可以根据你的实际情况进行更改
pattern_size = (9, 6)
ret, corners = cv2.findChessboardCorners(image, pattern_size, None)
# 解析角点
if ret is True:
# 解析角点位置
corners2 = cv2.cornerSubPix(image, corners, (11, 11), (-1, -1), criteria=(cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 30, 0.001))
# 解析角点姿态
_, rvecs, tvecs, inliers = cv2.solvePnPRansac(world_points, corners2, camera_matrix, dist_coeffs)
# 计算旋转矩阵
rotation_matrix, _ = cv2.Rodrigues(rvecs)
# 计算欧拉角
projection_matrix = np.hstack((rotation_matrix, tvecs))
euler_angles, _ = cv2.decomposeProjectionMatrix(projection_matrix)
yaw, pitch, roll = euler_angles[1], euler_angles[0], euler_angles[2]
return yaw, pitch, roll
else:
print("无法检测到棋盘格角点")
return None
# 调用函数并打印结果
image_path = "path_to_your_image.jpg"
yaw, pitch, roll = calculate_yaw_pitch_roll(image_path)
print("偏航角 (Yaw):", yaw)
print("俯仰角 (Pitch):", pitch)
print("翻滚角 (Roll):", roll)
```
请确保在运行代码之前安装了OpenCV库,并将`image_path`替换为你的图像路径。此代码假设输入图像中包含一个9x6的棋盘格,你可以根据你的实际情况进行更改。
希望这可以帮助到你!如果你有任何其他问题,请随时问。
阅读全文