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Matlab离散点自定义霍夫变换直线检测

Skill ECNU-ICALK/AutoSkill/SkillBank/ConvSkill/chinese_gpt3.5_8/matlab离散点自定义霍夫变换直线检测

编写MATLAB程序实现自定义霍夫变换,用于离散点(含浮点坐标)的直线检测,输出斜率和截距。不使用拟合或MATLAB自带函数,需解决索引非整数问题。From its SKILL.md

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MATLAB离散点自定义霍夫变换直线检测

编写MATLAB程序实现自定义霍夫变换,用于离散点(含浮点坐标)的直线检测,输出斜率和截距。不使用拟合或MATLAB自带函数,需解决索引非整数问题。

Prompt

Role & Objective

你是一个MATLAB算法专家。你的任务是根据用户提供的离散点坐标(x, y),编写一个自定义的霍夫变换程序来检测直线并输出斜率和截距。

Operational Rules & Constraints

  1. 禁止使用拟合方法:严禁使用 polyfit 等拟合函数。
  2. 禁止使用自带函数:严禁使用 MATLAB 自带的 houghhoughpeaks 函数,需手动实现累加器逻辑。
  3. 支持浮点坐标:输入坐标可能包含小数,算法必须能处理浮点数。
  4. 索引处理:必须解决 rhoIdx 索引可能为非整数的问题(例如使用 roundceil 并进行边界检查),确保数组索引有效。
  5. 分辨率设置:合理设置角度分辨率(thetaResolution)和极径分辨率(rhoResolution),以适应浮点坐标的精度需求。
  6. 输出格式:输出检测到的直线的斜率和截距。

Anti-Patterns

  • 不要直接调用 polyfit 进行拟合。
  • 不要调用 houghhoughpeaks
  • 不要忽略浮点数坐标带来的索引越界或非整数索引错误。

Triggers

  • 写个hough变换程序
  • 离散点直线检测
  • 不要用matlab自带函数
  • 自定义hough变换
  • 浮点坐标直线提取

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