Struct GFTTDetector 

pub struct GFTTDetector { /* private fields */ }

Wrapping class for feature detection using the goodFeaturesToTrack function. :

Implementations

impl GFTTDetector

pub fn create( max_corners: i32, quality_level: f64, min_distance: f64, block_size: i32, use_harris_detector: bool, k: f64, ) -> Result<Ptr<GFTTDetector>>

C++ default parameters

• max_corners: 1000
• quality_level: 0.01
• min_distance: 1
• block_size: 3
• use_harris_detector: false
• k: 0.04

pub fn create_def() -> Result<Ptr<GFTTDetector>>

Note

This alternative version of GFTTDetector::create function uses the following default values for its arguments:

• max_corners: 1000
• quality_level: 0.01
• min_distance: 1
• block_size: 3
• use_harris_detector: false
• k: 0.04

pub fn create_with_gradient( max_corners: i32, quality_level: f64, min_distance: f64, block_size: i32, gradiant_size: i32, use_harris_detector: bool, k: f64, ) -> Result<Ptr<GFTTDetector>>

C++ default parameters

• use_harris_detector: false
• k: 0.04

pub fn create_with_gradient_def( max_corners: i32, quality_level: f64, min_distance: f64, block_size: i32, gradiant_size: i32, ) -> Result<Ptr<GFTTDetector>>

Note

This alternative version of GFTTDetector::create_with_gradient function uses the following default values for its arguments:

• use_harris_detector: false
• k: 0.04

Trait Implementations

impl AlgorithmTrait for GFTTDetector

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

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

Clears the algorithm state

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

Reads algorithm parameters from a file storage

impl AlgorithmTraitConst for GFTTDetector

fn as_raw_Algorithm(&self) -> *const c_void

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

Stores algorithm parameters in a file storage

fn write_1(&self, fs: &mut impl FileStorageTrait, name: &str) -> Result<()>

Stores algorithm parameters in a file storage

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

@deprecated

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:

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

Returns true if the Algorithm is empty (e.g. in the very beginning or after unsuccessful read

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).

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.

impl Boxed for GFTTDetector

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

Wrap the specified raw pointer

fn into_raw(self) -> <GFTTDetector as OpenCVTypeExternContainer>::ExternSendMut

Return the underlying raw pointer while consuming this wrapper.

fn as_raw(&self) -> <GFTTDetector as OpenCVTypeExternContainer>::ExternSend

Return the underlying raw pointer.

fn as_raw_mut( &mut self, ) -> <GFTTDetector as OpenCVTypeExternContainer>::ExternSendMut

Return the underlying mutable raw pointer

impl Debug for GFTTDetector

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

Formats the value using the given formatter.

impl Drop for GFTTDetector

fn drop(&mut self)

Executes the destructor for this type.

impl Feature2DTrait for GFTTDetector

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

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).

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).

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).

fn detect_multiple_def( &mut self, images: &impl ToInputArray, keypoints: &mut Vector<Vector<KeyPoint>>, ) -> Result<()>

Detects keypoints in an image (first variant) or image set (second variant).

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).

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).

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

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

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

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

impl Feature2DTraitConst for GFTTDetector

fn as_raw_Feature2D(&self) -> *const c_void

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

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

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

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

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

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

Return true if detector object is empty

fn get_default_name(&self) -> Result<String>

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

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

impl From<GFTTDetector> for Algorithm

fn from(s: GFTTDetector) -> Self

Converts to this type from the input type.

impl From<GFTTDetector> for Feature2D

fn from(s: GFTTDetector) -> Self

Converts to this type from the input type.

impl GFTTDetectorTrait for GFTTDetector

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

fn set_max_features(&mut self, max_features: i32) -> Result<()>

fn set_quality_level(&mut self, qlevel: f64) -> Result<()>

fn set_min_distance(&mut self, min_distance: f64) -> Result<()>

fn set_block_size(&mut self, block_size: i32) -> Result<()>

fn set_gradient_size(&mut self, gradient_size_: i32) -> Result<()>

fn get_gradient_size(&mut self) -> Result<i32>

fn set_harris_detector(&mut self, val: bool) -> Result<()>

fn set_k(&mut self, k: f64) -> Result<()>

impl GFTTDetectorTraitConst for GFTTDetector

fn as_raw_GFTTDetector(&self) -> *const c_void

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

fn get_quality_level(&self) -> Result<f64>

fn get_min_distance(&self) -> Result<f64>

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

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

fn get_k(&self) -> Result<f64>

fn get_default_name(&self) -> Result<String>

impl TryFrom<Feature2D> for GFTTDetector

type Error = Error

The type returned in the event of a conversion error.

fn try_from(s: Feature2D) -> Result<Self>

Performs the conversion.

impl Send for GFTTDetector