书写生字Ai评分小程序

from handwriting_analysis import StrokeAnalyzer

class WritingEvaluator:

def __init__(self):

self.analyzer = StrokeAnalyzer

def evaluate(self, image_path):

图像预处理

processed_img = self._preprocess(image_path)

笔画分析

stroke_data = self.analyzer.extract_strokes(processed_img)

多维评分

scores = {

'stroke_order': self._check_stroke_order(stroke_data),

'structure': self._analyze_structure(stroke_data),

'pressure': self._measure_pressure(stroke_data)

return self._generate_feedback(scores)

import numpy as np

class StrokeAnalyzer:

def extract_strokes(self, image):

使用OpenCV提取笔画轨迹

contours, _ = cv2.findContours(

image, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)

笔画时序重建

strokes = []

for cnt in sorted(contours, key=lambda x: x[0][0][0]):

strokes.append({

'points': [tuple(pt[0]) for pt in cnt],

'direction': self._calc_direction(cnt)

})

return strokes