How to use it to detect pupils in pictures

[antoinelame]

How to use it to detect pupils in pictures

[antoinelame]

Hello!

I can only detect the left and right sides, but not the top and bottom.

The detection of top/bottom is more complicated because the distance between the top and the bottom is shorter than the distance between the right and the left.

I didn't code is_top() and is_botton() but I provided a vertical_ratio() function to get the vertical position with a ratio. The extreme top is 0.0, the center is 0.5 and the extreme bottom is 1.0. However, I think the accuracy of this ratio is quite low, it depends of your usages.

The pointer of the left eye is slightly off. May I ask you to modify yours values of number of self.horizontal_ratio()

Please share with me the values that work for you!

[1554367650]

dear&nbsp;Antoine &nbsp; Hello, I've been testing the eyes of several people on a computer program these days. Based on their results, the data were summarized. But I don't know if it's true or not.This applies to the people around me I want to share it with you! &nbsp; &nbsp;&nbsp;def is_right(self): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; """Returns true if the user is looking to the right""" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; print("HR:",self.horizontal_ratio()) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; if self.pupils_located: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; return self.horizontal_ratio() <= 0.542 &nbsp; &nbsp; def is_left(self): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; """Returns true if the user is looking to the left""" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; print("HR:", self.horizontal_ratio()) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; if self.pupils_located: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; return self.horizontal_ratio() &gt;= 0.75 &nbsp; I think you can use it as a reference.Also, I come from China, maybe our Chinese eyes are different from your European eyes, so the Numbers are not the same! A silly question. You can explain that to me. what do&nbsp; eye_left.pupil.x&nbsp; ,eye_left.pupil.y&nbsp; mean?&nbsp; I don't know which unit that cross represents...... Don't laugh at me... I would like to make a judgment of the upper and lower parts of the eyeball recently. Do you have any Suggestions? I think we can modify the value of the vertical_ratio to solve the question. I don't know if i can Look forward to your reply! XD &nbsp; Best,Adile. 发自我的iPhone

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------------------ Original ------------------ From: Antoine Lamé <[email protected]&gt; Date: Sun,Aug 25,2019 1:25 PM To: antoinelame/GazeTracking <[email protected]&gt; Cc: 1554367650 <[email protected]&gt;, Author <[email protected]&gt; Subject: Re: [antoinelame/GazeTracking] How to use it to detect pupils in pictures (#18) Hello! I can only detect the left and right sides, but not the top and bottom. The detection of top/bottom is more complicated because the distance between the top and the bottom is shorter than the distance between the right and the left. I didn't code is_top() and is_botton() but I provided a vertical_ratio() function to get the vertical position with a ratio. The extreme top is 0.0, the center is 0.5 and the extreme bottom is 1.0. However, I think the accuracy of this ratio is quite low, it depends of your usages. The pointer of the left eye is slightly off. May I ask you to modify yours values of number of self.horizontal_ratio() Please share with me the values that work for you! — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or mute the thread.