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Plane coding target and image splicing system and method applying same

A plane coding and target technology, applied in the field of computer vision, can solve problems such as errors and splicing dislocation, and achieve high-precision and time-consuming effects.

Active Publication Date: 2022-04-08
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The splicing accuracy of the above methods mainly depends on the algorithm itself, and it is easy to accumulate errors during the large-scale splicing process, resulting in misalignment and other problems in splicing.

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  • Plane coding target and image splicing system and method applying same
  • Plane coding target and image splicing system and method applying same
  • Plane coding target and image splicing system and method applying same

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Embodiment Construction

[0043] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0044] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on those shown in the accompanying drawings. Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orient...

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Abstract

The invention discloses a plane coding target and an image splicing system and method applying the plane coding target, the plane coding target comprises a plurality of coding units distributed in an array, each coding unit comprises a center coding point, a plurality of ordinary coding points and at least one positioning point, the positioning point distribution pattern of the positioning points is used for determining the coordinates of the central coding point and the common coding points in the coding unit coordinate system; and the coding numerical value sequences of the coding units are different from one another and are unique. The plane coding target can realize large-area coding and positioning functions, the image splicing system applying the plane coding target can solve the problems of splicing errors and error accumulation caused by splicing position recognition errors, and large-range, high-precision and short-time-consumption two-dimensional image splicing is realized.

Description

technical field [0001] The invention relates to the technical field of computer vision, in particular to a planar coding target and an image splicing system and method using the same. Background technique [0002] In the field of computer vision, visual targets are widely used in visual calibration, object pose measurement, visual navigation and other occasions. At present, the common visual target classifications include planar targets and three-dimensional targets: three-dimensional targets are mostly used for calibration and measurement of three-dimensional vision systems. It can meet a wide range of measurement requirements while taking into account the measurement accuracy. At present, the coding targets mainly include circular coding targets, point distribution coding targets, color coding targets, etc. The circular coding targets encode information on the circular coding tape, and the coding information capacity is small; the point distribution coding targets pass th...

Claims

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Application Information

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IPC IPC(8): H04N21/234H04N21/44
CPCG01B11/002H04N19/172H04N19/513
Inventor 高健魏远洋张揽宇邓海祥陈云陈新
Owner GUANGDONG UNIV OF TECH
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