Struct Feature 

pub struct Feature {
    pub point: Point2,
    pub descriptor: Vec<u8>,
    pub scale: f32,
    pub angle: f32,
    pub response: f32,
    pub octave: i32,
    pub point3d_id: Option<u32>,
}

特征点

Fields

point: Point2

图像坐标 (x, y)

descriptor: Vec<u8>

特征描述符

scale: f32

特征点的尺度（用于 SIFT 等）

angle: f32

特征点的方向角度（弧度）

response: f32

特征点的响应强度

octave: i32

金字塔层级（用于 SIFT 等）

point3d_id: Option<u32>

对应的 3D 点 ID（如果已三角化）

Implementations

impl Feature

pub fn new( point: Point2, descriptor: Vec<u8>, scale: f32, angle: f32, response: f32, octave: i32, ) -> Self

创建新的特征点

pub fn simple(point: Point2, descriptor: Vec<u8>) -> Self

创建简单的特征点（默认参数）

pub fn is_triangulated(&self) -> bool

检查特征点是否已三角化

pub fn set_point3d_id(&mut self, point3d_id: u32)

设置对应的 3D 点 ID

pub fn clear_point3d_id(&mut self)

清除 3D 点关联

pub fn descriptor_distance(&self, other: &Feature) -> Result<f32>

计算与另一个特征点的描述符距离

Trait Implementations

impl Clone for Feature

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Feature

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Feature

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Feature

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for Feature

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Feature