Struct Feature2D

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pub struct Feature2D { /* private fields */ }

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impl Feature2D

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pub fn default() -> Feature2D

Creates a default instance of the class by calling the default constructor

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impl AlgorithmTrait for Feature2D

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

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fn clear(&mut self) -> Result<()>

Clears the algorithm state
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fn read(&mut self, fn_: &impl FileNodeTraitConst) -> Result<()>

Reads algorithm parameters from a file storage
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impl AlgorithmTraitConst for Feature2D

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fn as_raw_Algorithm(&self) -> *const c_void

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fn write(&self, fs: &mut impl FileStorageTrait) -> Result<()>

Stores algorithm parameters in a file storage
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fn write_1(&self, fs: &mut impl FileStorageTrait, name: &str) -> Result<()>

Stores algorithm parameters in a file storage Read more
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fn write_with_name(&self, fs: &Ptr<FileStorage>, name: &str) -> Result<()>

@deprecated Read more
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fn write_with_name_def(&self, fs: &Ptr<FileStorage>) -> Result<()>

👎Deprecated:

§Note

Deprecated: ## Note This alternative version of AlgorithmTraitConst::write_with_name function uses the following default values for its arguments: Read more
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fn empty(&self) -> Result<bool>

Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read
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fn save(&self, filename: &str) -> Result<()>

Saves the algorithm to a file. In order to make this method work, the derived class must implement Algorithm::write(FileStorage& fs).
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fn get_default_name(&self) -> Result<String>

Returns the algorithm string identifier. This string is used as top level xml/yml node tag when the object is saved to a file or string.
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impl Boxed for Feature2D

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unsafe fn from_raw(ptr: <Feature2D as OpenCVFromExtern>::ExternReceive) -> Self

Wrap the specified raw pointer Read more
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fn into_raw(self) -> <Feature2D as OpenCVTypeExternContainer>::ExternSendMut

Return the underlying raw pointer while consuming this wrapper. Read more
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fn as_raw(&self) -> <Feature2D as OpenCVTypeExternContainer>::ExternSend

Return the underlying raw pointer. Read more
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fn as_raw_mut( &mut self, ) -> <Feature2D as OpenCVTypeExternContainer>::ExternSendMut

Return the underlying mutable raw pointer Read more
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impl Debug for Feature2D

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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 Default for Feature2D

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fn default() -> Self

Forwards to infallible Self::default()

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impl Drop for Feature2D

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl Feature2DTrait for Feature2D

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fn as_raw_mut_Feature2D(&mut self) -> *mut c_void

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fn detect( &mut self, image: &impl ToInputArray, keypoints: &mut Vector<KeyPoint>, mask: &impl ToInputArray, ) -> Result<()>

Detects keypoints in an image (first variant) or image set (second variant). Read more
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fn detect_def( &mut self, image: &impl ToInputArray, keypoints: &mut Vector<KeyPoint>, ) -> Result<()>

Detects keypoints in an image (first variant) or image set (second variant). Read more
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fn detect_multiple( &mut self, images: &impl ToInputArray, keypoints: &mut Vector<Vector<KeyPoint>>, masks: &impl ToInputArray, ) -> Result<()>

Detects keypoints in an image (first variant) or image set (second variant). Read more
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fn detect_multiple_def( &mut self, images: &impl ToInputArray, keypoints: &mut Vector<Vector<KeyPoint>>, ) -> Result<()>

@overload Read more
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fn compute( &mut self, image: &impl ToInputArray, keypoints: &mut Vector<KeyPoint>, descriptors: &mut impl ToOutputArray, ) -> Result<()>

Computes the descriptors for a set of keypoints detected in an image (first variant) or image set (second variant). Read more
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fn compute_multiple( &mut self, images: &impl ToInputArray, keypoints: &mut Vector<Vector<KeyPoint>>, descriptors: &mut impl ToOutputArray, ) -> Result<()>

Computes the descriptors for a set of keypoints detected in an image (first variant) or image set (second variant). Read more
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fn detect_and_compute( &mut self, image: &impl ToInputArray, mask: &impl ToInputArray, keypoints: &mut Vector<KeyPoint>, descriptors: &mut impl ToOutputArray, use_provided_keypoints: bool, ) -> Result<()>

Detects keypoints and computes the descriptors Read more
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fn detect_and_compute_def( &mut self, image: &impl ToInputArray, mask: &impl ToInputArray, keypoints: &mut Vector<KeyPoint>, descriptors: &mut impl ToOutputArray, ) -> Result<()>

Detects keypoints and computes the descriptors Read more
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fn read(&mut self, file_name: &str) -> Result<()>

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fn read_from_node(&mut self, unnamed: &impl FileNodeTraitConst) -> Result<()>

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impl Feature2DTraitConst for Feature2D

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fn as_raw_Feature2D(&self) -> *const c_void

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

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

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

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fn write(&self, file_name: &str) -> Result<()>

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fn write_to_storage(&self, unnamed: &mut impl FileStorageTrait) -> Result<()>

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

Return true if detector object is empty
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fn get_default_name(&self) -> Result<String>

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fn write_to_storage_with_name( &self, fs: &mut impl FileStorageTrait, name: &str, ) -> Result<()>

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fn write_to_storage_ptr_with_name( &self, fs: &Ptr<FileStorage>, name: &str, ) -> Result<()>

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impl From<AKAZE> for Feature2D

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fn from(s: AKAZE) -> Self

Converts to this type from the input type.
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impl From<AffineFeature> for Feature2D

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fn from(s: AffineFeature) -> Self

Converts to this type from the input type.
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impl From<AffineFeature2D> for Feature2D

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fn from(s: AffineFeature2D) -> Self

Converts to this type from the input type.
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impl From<AgastFeatureDetector> for Feature2D

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fn from(s: AgastFeatureDetector) -> Self

Converts to this type from the input type.
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impl From<BEBLID> for Feature2D

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fn from(s: BEBLID) -> Self

Converts to this type from the input type.
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impl From<BRISK> for Feature2D

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fn from(s: BRISK) -> Self

Converts to this type from the input type.
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impl From<BoostDesc> for Feature2D

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fn from(s: BoostDesc) -> Self

Converts to this type from the input type.
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impl From<BriefDescriptorExtractor> for Feature2D

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fn from(s: BriefDescriptorExtractor) -> Self

Converts to this type from the input type.
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impl From<CUDA_FastFeatureDetector> for Feature2D

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fn from(s: CUDA_FastFeatureDetector) -> Self

Converts to this type from the input type.
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impl From<CUDA_Feature2DAsync> for Feature2D

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fn from(s: CUDA_Feature2DAsync) -> Self

Converts to this type from the input type.
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impl From<CUDA_ORB> for Feature2D

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fn from(s: CUDA_ORB) -> Self

Converts to this type from the input type.
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impl From<DAISY> for Feature2D

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fn from(s: DAISY) -> Self

Converts to this type from the input type.
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impl From<FREAK> for Feature2D

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fn from(s: FREAK) -> Self

Converts to this type from the input type.
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impl From<FastFeatureDetector> for Feature2D

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fn from(s: FastFeatureDetector) -> Self

Converts to this type from the input type.
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impl From<Feature2D> for Algorithm

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fn from(s: Feature2D) -> Self

Converts to this type from the input type.
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impl From<GFTTDetector> for Feature2D

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fn from(s: GFTTDetector) -> Self

Converts to this type from the input type.
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impl From<HarrisLaplaceFeatureDetector> for Feature2D

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fn from(s: HarrisLaplaceFeatureDetector) -> Self

Converts to this type from the input type.
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impl From<KAZE> for Feature2D

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fn from(s: KAZE) -> Self

Converts to this type from the input type.
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impl From<LATCH> for Feature2D

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fn from(s: LATCH) -> Self

Converts to this type from the input type.
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impl From<LUCID> for Feature2D

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fn from(s: LUCID) -> Self

Converts to this type from the input type.
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impl From<MSDDetector> for Feature2D

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fn from(s: MSDDetector) -> Self

Converts to this type from the input type.
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impl From<MSER> for Feature2D

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fn from(s: MSER) -> Self

Converts to this type from the input type.
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impl From<ORB> for Feature2D

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fn from(s: ORB) -> Self

Converts to this type from the input type.
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impl From<SIFT> for Feature2D

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fn from(s: SIFT) -> Self

Converts to this type from the input type.
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impl From<SURF> for Feature2D

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fn from(s: SURF) -> Self

Converts to this type from the input type.
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impl From<SimpleBlobDetector> for Feature2D

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fn from(s: SimpleBlobDetector) -> Self

Converts to this type from the input type.
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impl From<StarDetector> for Feature2D

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fn from(s: StarDetector) -> Self

Converts to this type from the input type.
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impl From<TBMR> for Feature2D

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fn from(s: TBMR) -> Self

Converts to this type from the input type.
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impl From<TEBLID> for Feature2D

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fn from(s: TEBLID) -> Self

Converts to this type from the input type.
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impl From<VGG> for Feature2D

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fn from(s: VGG) -> Self

Converts to this type from the input type.
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impl TryFrom<Feature2D> for AKAZE

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for AffineFeature

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for AgastFeatureDetector

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for BRISK

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for FastFeatureDetector

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for GFTTDetector

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for KAZE

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for MSER

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for ORB

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for SIFT

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl TryFrom<Feature2D> for SimpleBlobDetector

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.
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impl Send for Feature2D

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impl<T> Any for T
where 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 T
where 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 T
where 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 T
where 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<Mat> ModifyInplace for Mat
where Mat: Boxed,

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unsafe fn modify_inplace<Res>( &mut self, f: impl FnOnce(&Mat, &mut Mat) -> Res, ) -> Res

Helper function to call OpenCV functions that allow in-place modification of a Mat or another similar object. By passing a mutable reference to the Mat to this function your closure will get called with the read reference and a write references to the same Mat. This is unsafe in a general case as it leads to having non-exclusive mutable access to the internal data, but it can be useful for some performance sensitive operations. One example of an OpenCV function that allows such in-place modification is imgproc::threshold. Read more
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impl<T, U> TryFrom<U> for T
where 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 T
where 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.