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

@example samples/cpp/facedetect.cpp This program demonstrates usage of the Cascade classifier class \image html Cascade_Classifier_Tutorial_Result_Haar.jpg “Sample screenshot” width=321 height=254

Cascade classifier class for object detection.

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impl CascadeClassifier

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pub fn default() -> Result<CascadeClassifier>

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pub fn new(filename: &str) -> Result<CascadeClassifier>

Loads a classifier from a file.

Parameters
  • filename: Name of the file from which the classifier is loaded.
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pub fn convert(oldcascade: &str, newcascade: &str) -> Result<bool>

Trait Implementations§

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impl Boxed for CascadeClassifier

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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 CascadeClassifierTrait for CascadeClassifier

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

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fn cc(&mut self) -> Ptr<dyn BaseCascadeClassifier>

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fn set_cc(&mut self, val: Ptr<dyn BaseCascadeClassifier>)

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fn load(&mut self, filename: &str) -> Result<bool>

Loads a classifier from a file. Read more
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fn read(&mut self, node: &FileNode) -> Result<bool>

Reads a classifier from a FileStorage node. Read more
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fn detect_multi_scale( &mut self, image: &dyn ToInputArray, objects: &mut Vector<Rect>, scale_factor: f64, min_neighbors: i32, flags: i32, min_size: Size, max_size: Size ) -> Result<()>

Detects objects of different sizes in the input image. The detected objects are returned as a list of rectangles. Read more
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fn detect_multi_scale2( &mut self, image: &dyn ToInputArray, objects: &mut Vector<Rect>, num_detections: &mut Vector<i32>, scale_factor: f64, min_neighbors: i32, flags: i32, min_size: Size, max_size: Size ) -> Result<()>

Detects objects of different sizes in the input image. The detected objects are returned as a list of rectangles. Read more
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fn detect_multi_scale3( &mut self, image: &dyn ToInputArray, objects: &mut Vector<Rect>, reject_levels: &mut Vector<i32>, level_weights: &mut Vector<f64>, scale_factor: f64, min_neighbors: i32, flags: i32, min_size: Size, max_size: Size, output_reject_levels: bool ) -> Result<()>

Detects objects of different sizes in the input image. The detected objects are returned as a list of rectangles. Read more
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fn get_old_cascade(&mut self) -> Result<*mut c_void>

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fn set_mask_generator( &mut self, mask_generator: &Ptr<dyn BaseCascadeClassifier_MaskGenerator> ) -> Result<()>

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fn get_mask_generator( &mut self ) -> Result<Ptr<dyn BaseCascadeClassifier_MaskGenerator>>

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impl CascadeClassifierTraitConst for CascadeClassifier

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fn as_raw_CascadeClassifier(&self) -> *const c_void

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fn empty(&self) -> Result<bool>

Checks whether the classifier has been loaded.
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fn is_old_format_cascade(&self) -> Result<bool>

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fn get_original_window_size(&self) -> Result<Size>

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fn get_feature_type(&self) -> Result<i32>

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impl Drop for CascadeClassifier

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl Send for CascadeClassifier

Auto Trait Implementations§

Blanket 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.