Detection method based on computer image processing and pattern recognition
A technology of image processing and pattern recognition, applied in image data processing, calculation, image enhancement, etc., can solve problems such as increasing the burden on computer systems, difficulty in ensuring detection accuracy, and error in processing results, etc., to achieve accurate and obvious regional features, reduce Calculation time, the effect of improving comprehensiveness
Inactive Publication Date: 2018-06-19
WUHAN UNIV OF TECH
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[0003] In the existing image detection and processing methods, a single image is usually processed and analyzed. Due to different shooting angles, different analysis results will be obtained. There will be large errors in the processing results of a single-angle image, and it is difficult to guarantee the detection accuracy. Moreover, when calculating the grayscale of pixels in the image, it is necessary to calculate all the pixels in the image, which increases the burden on the computer system and affects the detection speed
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[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0016] Such as figure 1 As shown, a detection method based on computer image processing and pattern recognition includes the following specific steps:
[0017] S1: Image collection, capture images on the detection surface of the workpiece through high-definition cameras, the high-definition cameras are set in three groups, and capture images from above the detection surface from three angles, each high-definition camera takes multiple images, from Select one ...
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The invention discloses a detection method based on computer image processing and pattern recognition. The method comprises: S1, image acquisition is carried out; to be specific, a clearest image is selected from each of three shooting angles for storage; S2, grayscale processing is carried out; S3, feature region recognition enhancement is carried out; S4, grayscale value calculation is carried out; and S5, a result is outputted. According to the invention, image capturing is carried out on a workpiece from different angles to realize workpiece detection in different directions, so that comprehensiveness of the workpiece detection is improved; because grayscale and zooming processing are carried out on the three pictures, the total calculation number of a pixel point is reduced, the operation time of the computer system is shortened, and the detection speed is increased; and on the basis of the synthesis of the three images, the regional feature of the detection surface becomes accurate and obvious and the detection accuracy is improved.
Description
technical field [0001] The invention belongs to the technical field of image detection, and in particular relates to a detection method based on computer image processing and pattern recognition. Background technique [0002] Visual image detection is to use machines instead of human eyes for measurement and judgment. The machine vision system refers to converting the ingested target into an image signal through a machine vision product (that is, an image capture device, which is divided into two types: CMOS and CCD), and sending it to a dedicated image processing system. Digital signals; image intelligent recognition system software, etc., analyze these signals and perform various operations to extract the characteristics of the target, and then control the on-site equipment system according to the results of the discrimination. The visual image detection system uses a CCD camera to convert the detected target into an image signal, which is sent to a dedicated image proces...
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IPC IPC(8): G06T7/00G06T5/50G06T7/90
CPCG06T7/0002G06T5/50G06T7/90G06T2207/30168
Inventor 佟子业王浩楠余凡张华伟
Owner WUHAN UNIV OF TECH