Struct opencv::wechat_qrcode::WeChatQRCode
source · pub struct WeChatQRCode { /* private fields */ }
Expand description
- WeChat QRCode includes two CNN-based models:
- A object detection model and a super resolution model.
- Object detection model is applied to detect QRCode with the bounding box.
- super resolution model is applied to zoom in QRCode when it is small.
Implementations§
source§impl WeChatQRCode
impl WeChatQRCode
sourcepub fn new(
detector_prototxt_path: &str,
detector_caffe_model_path: &str,
super_resolution_prototxt_path: &str,
super_resolution_caffe_model_path: &str
) -> Result<WeChatQRCode>
pub fn new( detector_prototxt_path: &str, detector_caffe_model_path: &str, super_resolution_prototxt_path: &str, super_resolution_caffe_model_path: &str ) -> Result<WeChatQRCode>
Initialize the WeChatQRCode. It includes two models, which are packaged with caffe format. Therefore, there are prototxt and caffe models (In total, four paramenters).
§Parameters
- detector_prototxt_path: prototxt file path for the detector
- detector_caffe_model_path: caffe model file path for the detector
- super_resolution_prototxt_path: prototxt file path for the super resolution model
- super_resolution_caffe_model_path: caffe file path for the super resolution model
§C++ default parameters
- detector_prototxt_path: “”
- detector_caffe_model_path: “”
- super_resolution_prototxt_path: “”
- super_resolution_caffe_model_path: “”
sourcepub fn new_def() -> Result<WeChatQRCode>
pub fn new_def() -> Result<WeChatQRCode>
Initialize the WeChatQRCode. It includes two models, which are packaged with caffe format. Therefore, there are prototxt and caffe models (In total, four paramenters).
§Parameters
- detector_prototxt_path: prototxt file path for the detector
- detector_caffe_model_path: caffe model file path for the detector
- super_resolution_prototxt_path: prototxt file path for the super resolution model
- super_resolution_caffe_model_path: caffe file path for the super resolution model
§Note
This alternative version of [new] function uses the following default values for its arguments:
- detector_prototxt_path: “”
- detector_caffe_model_path: “”
- super_resolution_prototxt_path: “”
- super_resolution_caffe_model_path: “”
Trait Implementations§
source§impl Boxed for WeChatQRCode
impl Boxed for WeChatQRCode
source§unsafe fn from_raw(
ptr: <WeChatQRCode as OpenCVFromExtern>::ExternReceive
) -> Self
unsafe fn from_raw( ptr: <WeChatQRCode as OpenCVFromExtern>::ExternReceive ) -> Self
Wrap the specified raw pointer Read more
source§fn into_raw(self) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSendMut
fn into_raw(self) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSendMut
Return the underlying raw pointer while consuming this wrapper. Read more
source§fn as_raw(&self) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSend
fn as_raw(&self) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSend
Return the underlying raw pointer. Read more
source§fn as_raw_mut(
&mut self
) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSendMut
fn as_raw_mut( &mut self ) -> <WeChatQRCode as OpenCVTypeExternContainer>::ExternSendMut
Return the underlying mutable raw pointer Read more
source§impl Debug for WeChatQRCode
impl Debug for WeChatQRCode
source§impl Drop for WeChatQRCode
impl Drop for WeChatQRCode
source§impl WeChatQRCodeTrait for WeChatQRCode
impl WeChatQRCodeTrait for WeChatQRCode
fn as_raw_mut_WeChatQRCode(&mut self) -> *mut c_void
source§fn detect_and_decode(
&mut self,
img: &impl ToInputArray,
points: &mut impl ToOutputArray
) -> Result<Vector<String>>
fn detect_and_decode( &mut self, img: &impl ToInputArray, points: &mut impl ToOutputArray ) -> Result<Vector<String>>
Both detects and decodes QR code.
To simplify the usage, there is a only API: detectAndDecode Read more
source§fn detect_and_decode_def(
&mut self,
img: &impl ToInputArray
) -> Result<Vector<String>>
fn detect_and_decode_def( &mut self, img: &impl ToInputArray ) -> Result<Vector<String>>
Both detects and decodes QR code.
To simplify the usage, there is a only API: detectAndDecode Read more
source§fn set_scale_factor(&mut self, _scaling_factor: f32) -> Result<()>
fn set_scale_factor(&mut self, _scaling_factor: f32) -> Result<()>
set scale factor
QR code detector use neural network to detect QR.
Before running the neural network, the input image is pre-processed by scaling.
By default, the input image is scaled to an image with an area of 160000 pixels.
The scale factor allows to use custom scale the input image:
width = scaleFactorwidth
height = scaleFactorwidth Read more
fn get_scale_factor(&mut self) -> Result<f32>
source§impl WeChatQRCodeTraitConst for WeChatQRCode
impl WeChatQRCodeTraitConst for WeChatQRCode
fn as_raw_WeChatQRCode(&self) -> *const c_void
impl Send for WeChatQRCode
Auto Trait Implementations§
impl Freeze for WeChatQRCode
impl RefUnwindSafe for WeChatQRCode
impl !Sync for WeChatQRCode
impl Unpin for WeChatQRCode
impl UnwindSafe for WeChatQRCode
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<Mat> ModifyInplace for Matwhere
Mat: Boxed,
impl<Mat> ModifyInplace for Matwhere
Mat: Boxed,
source§unsafe fn modify_inplace<Res>(
&mut self,
f: impl FnOnce(&Mat, &mut Mat) -> Res
) -> Res
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 of course unsafe as it breaks the Rust aliasing rules, but it might be useful for some performance
sensitive operations. One example of an OpenCV function that allows such in-place modification is imgproc::threshold
. Read more