Struct opencv::text::ERStat

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pub struct ERStat { /* private fields */ }
Expand description

The ERStat structure represents a class-specific Extremal Region (ER).

An ER is a 4-connected set of pixels with all its grey-level values smaller than the values in its outer boundary. A class-specific ER is selected (using a classifier) from all the ER’s in the component tree of the image. :

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impl ERStat

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pub fn new(level: i32, pixel: i32, x: i32, y: i32) -> Result<ERStat>

Constructor

C++ default parameters
  • level: 256
  • pixel: 0
  • x: 0
  • y: 0
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pub fn new_def() -> Result<ERStat>

Constructor

Note

This alternative version of [new] function uses the following default values for its arguments:

  • level: 256
  • pixel: 0
  • x: 0
  • y: 0

Trait Implementations§

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impl Boxed for ERStat

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unsafe fn from_raw(ptr: *mut c_void) -> Self

Wrap the specified raw pointer Read more
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fn into_raw(self) -> *mut c_void

Return an the underlying raw pointer while consuming this wrapper. Read more
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fn as_raw(&self) -> *const c_void

Return the underlying raw pointer. Read more
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fn as_raw_mut(&mut self) -> *mut c_void

Return the underlying mutable raw pointer Read more
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impl Debug for ERStat

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Drop for ERStat

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl ERStatTrait for ERStat

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fn as_raw_mut_ERStat(&mut self) -> *mut c_void

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fn set_pixel(&mut self, val: i32)

seed point and the threshold (max grey-level value)
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fn set_level(&mut self, val: i32)

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fn set_area(&mut self, val: i32)

incrementally computable features
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fn set_perimeter(&mut self, val: i32)

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fn set_euler(&mut self, val: i32)

Euler’s number
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fn set_rect(&mut self, val: Rect)

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fn raw_moments(&mut self) -> &mut [f64; 2]

order 1 raw moments to derive the centroid
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fn central_moments(&mut self) -> &mut [f64; 3]

order 2 central moments to construct the covariance matrix
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fn set_med_crossings(&mut self, val: f32)

median of the crossings at three different height levels
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fn set_hole_area_ratio(&mut self, val: f32)

2nd stage features
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fn set_convex_hull_ratio(&mut self, val: f32)

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fn set_num_inflexion_points(&mut self, val: f32)

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fn set_probability(&mut self, val: f64)

probability that the ER belongs to the class we are looking for
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fn parent(&mut self) -> ERStat

pointers preserving the tree structure of the component tree
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fn set_parent(&mut self, val: &mut ERStat)

pointers preserving the tree structure of the component tree
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fn child(&mut self) -> ERStat

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fn set_child(&mut self, val: &mut ERStat)

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fn next(&mut self) -> ERStat

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fn set_next(&mut self, val: &mut ERStat)

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fn prev(&mut self) -> ERStat

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fn set_prev(&mut self, val: &mut ERStat)

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fn set_local_maxima(&mut self, val: bool)

whenever the regions is a local maxima of the probability
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fn max_probability_ancestor(&mut self) -> ERStat

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fn set_max_probability_ancestor(&mut self, val: &mut ERStat)

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fn min_probability_ancestor(&mut self) -> ERStat

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fn set_min_probability_ancestor(&mut self, val: &mut ERStat)

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impl ERStatTraitConst for ERStat

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fn as_raw_ERStat(&self) -> *const c_void

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fn pixel(&self) -> i32

seed point and the threshold (max grey-level value)
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fn level(&self) -> i32

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fn area(&self) -> i32

incrementally computable features
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fn perimeter(&self) -> i32

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fn euler(&self) -> i32

Euler’s number
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fn rect(&self) -> Rect

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fn med_crossings(&self) -> f32

median of the crossings at three different height levels
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fn hole_area_ratio(&self) -> f32

2nd stage features
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fn convex_hull_ratio(&self) -> f32

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fn num_inflexion_points(&self) -> f32

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fn probability(&self) -> f64

probability that the ER belongs to the class we are looking for
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fn local_maxima(&self) -> bool

whenever the regions is a local maxima of the probability
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impl Send for ERStat

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impl VectorElement for ERStatwhere Vector<ERStat>: VectorExtern<ERStat>,

Auto Trait Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.