Method and device for determining the position of a card in an image
An image-based and card-based technology, which is applied in the field of image processing, can solve the problems of large amount of calculation and difficult implementation, and achieve the effect of high accuracy and easy implementation
Active Publication Date: 2018-09-25
XIAOMI INC
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0002] Before identifying and locating the card in the image, it is necessary to perform boundary detection on the card, and boundary detection occupies a relatively important link in the entire process of card information extraction, so the boundary detection of the card follows the identification of various types of cards Information extraction has become more and more important. When the related technology detects the border of the card, it usually first determines the gradient in the image and then linearly fits the gradient, which results in a large amount of calculation and is not easy to implement.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0055] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with aspects of the invention as recited in the appended claims.
[0056] Figure 1A is a flowchart of a method for determining a card position in an image according to an exemplary embodiment, Figure 1B is a schematic diagram of an image to be processed according to an exemplary embodiment, Figure 1C is a schematic diagram of the upper left card corner in the image to be processed according to an exemplary embodiment, Figure 1D is a schematic diagram of t...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The disclosure relates to a method and device for determining the position of a card in an image, so as to make it easier to detect the position of the card during image processing. The method includes: determining a sample picture of a card in the image to be processed; using the sample picture as a recognition window to perform window sliding on the image to be processed to obtain a plurality of identifications for identifying the card in each window Result: determining the position of the card in the image to be processed according to the window of the plurality of recognition results reaching a preset value. The disclosed technical solution can transform the problem of image detection into the problem of image recognition, making it easier to detect the position of the card in the image to be processed, and the accuracy is higher.
Description
technical field [0001] The present disclosure relates to the technical field of image processing, in particular to a method and device for determining the position of a card in an image. Background technique [0002] Before identifying and locating the card in the image, it is necessary to perform boundary detection on the card, and boundary detection occupies a relatively important link in the entire process of card information extraction, so the boundary detection of the card follows the identification of various types of cards As information extraction becomes more and more important, when the related technology detects the border of the card, it usually first determines the gradient in the image and then linearly fits the gradient, which results in a large amount of calculation and is not easy to implement. Contents of the invention [0003] In order to overcome the problems in the related art, the embodiments of the present disclosure provide a method and device for d...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G06K9/64
CPCG06V10/75G06V2201/07
Inventor 龙飞王百超汪平仄
Owner XIAOMI INC