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Thread: Visual Perception.

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    Default Visual Perception.

    Assumptions based on trust? Don't trust, verify.

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    Default Re: Visual Perception.

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    Default Re: Visual Perception.

    certainly what we see is not always what actually IS. But there is the issue of SCALE. Scale is there even regardless of what we see.

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    Default Re: Visual Perception.

    Quote Originally Posted by NoSavingByTheBell View Post
    certainly what we see is not always what actually IS. But there is the issue of SCALE. Scale is there even regardless of what we see.
    The videos I have posted are about the geometry of vision, perception and perspective. Can you expand on scale and what effects you think it has on perception and perspective?
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    Default Re: Visual Perception.

    What are you trying to prove Alpha? Enlighten us.
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    Default Re: Visual Perception.

    Quote Originally Posted by Beanz View Post
    What are you trying to prove Alpha? Enlighten us.
    Just inquiring into the geometry of visibles.
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    Default Re: Visual Perception.

    Consider also eerie examples of when you perceive
    movement that is not real. Have you ever noticed
    how the moon appears to be moving eerily across the sky
    as clouds pass in front of it on a cloudy, windy, eerie night?
    A similar effect can occur when you are sitting in a
    car at an eerie stoplight and the vehicle next to you starts to
    move forward. For a moment you may feel that you
    are moving backwards. This is despite the fact that
    your vehicle has not actually moved and the adjacent
    vehicle is the source of real movement.
    @Alpha

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    Default Re: Visual Perception.

    Quote Originally Posted by NoSavingByTheBell View Post
    Consider also eerie examples of when you perceive
    movement that is not real. Have you ever noticed
    how the moon appears to be moving eerily across the sky
    as clouds pass in front of it on a cloudy, windy, eerie night?
    A similar effect can occur when you are sitting in a
    car at an eerie stoplight and the vehicle next to you starts to
    move forward. For a moment you may feel that you
    are moving backwards. This is despite the fact that
    your vehicle has not actually moved and the adjacent
    vehicle is the source of real movement.
    @Alpha
    Yes the senses are not always reliable. It is much better to test the physical nature of tangible substances.
    They live, We sleep

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    Default Re: Visual Perception.

    The laws of perspective are rooted in geometrical optics and not, as widely assumed, in rules and conventions of “realistic looking” painting, nor in the art of delineating 3D objects onto a 2D planar canvas, paper or screen.

    What physical laws and facts actually define and determine perspective? Are these real physical laws, or just theories or only conventions? Are they demonstrable or hypothetical? Are the laws actually correct? Are they confirmed in reality by common sense? Are the applications of any such laws, fully understood and correctly practiced?
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    Default Re: Visual Perception.

    Quote Originally Posted by Alpha View Post
    Quote Originally Posted by NoSavingByTheBell View Post
    Consider also eerie examples of when you perceive
    movement that is not real. Have you ever noticed
    how the moon appears to be moving eerily across the sky
    as clouds pass in front of it on a cloudy, windy, eerie night?
    A similar effect can occur when you are sitting in a
    car at an eerie stoplight and the vehicle next to you starts to
    move forward. For a moment you may feel that you
    are moving backwards. This is despite the fact that
    your vehicle has not actually moved and the adjacent
    vehicle is the source of real movement.
    @Alpha
    Yes the senses are not always reliable. It is much better to test the physical nature of tangible substances.
    Alpha I agree, but dont we need our senses to read and interpret the tests? It is a Catch-22.

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    Default Re: Visual Perception.

    Quote Originally Posted by NoSavingByTheBell View Post
    Quote Originally Posted by Alpha View Post
    Quote Originally Posted by NoSavingByTheBell View Post
    Consider also eerie examples of when you perceive
    movement that is not real. Have you ever noticed
    how the moon appears to be moving eerily across the sky
    as clouds pass in front of it on a cloudy, windy, eerie night?
    A similar effect can occur when you are sitting in a
    car at an eerie stoplight and the vehicle next to you starts to
    move forward. For a moment you may feel that you
    are moving backwards. This is despite the fact that
    your vehicle has not actually moved and the adjacent
    vehicle is the source of real movement.
    @Alpha
    Yes the senses are not always reliable. It is much better to test the physical nature of tangible substances.
    Alpha I agree, but dont we need our senses to read and interpret the tests? It is a Catch-22.
    Not always reliable does not mean unusable at all. We use our eyes and other senses to verify things every day. This is about understanding the differences between the two geometries.

    The physical, tangible geometry where we can interact and move around things in 3D and the visual geometry where things like perspective and perception, light, angles, and distance etc can affect the way things appear.

    Take the example of looking down a set of railway tracks. The physical tangible geometry is that they will always be parallel to each other. The visual geometry is that they will appear to converge into a vanishing point.

    The physical, tangible geometry of the substance is what is really occurring. The visual geometry is how things appear to the observer.
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