Metallic workpiece surface defect recognition method and device based on machine vision
A technology for identifying metal workpieces and defects, which is applied in the direction of measuring devices, optical testing defects/defects, instruments, etc., can solve the problems of gray analysis methods such as limitations, inconspicuousness, and inconspicuous defect characteristics, so as to avoid labor-intensive, The effect of reducing detection cost and high detection accuracy
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Embodiment 1
[0059] Such as figure 1 As shown, a machine vision-based metal workpiece surface defect recognition method includes the following steps:
[0060] S1: Obtain the surface image of the metal workpiece, and convert the surface image of the metal workpiece into a grayscale image with edge features through image preprocessing.
[0061] S2: Through image enhancement processing, image features of the preprocessed grayscale image with edge features are enhanced.
[0062] S3: Extract feature image data of the enhanced grayscale image with edge features through image segmentation processing.
[0063] S4: Obtain the feature image data of the metal workpiece, input the feature image data into the pre-trained metal workpiece defect recognition model, and output the defect recognition result of the metal workpiece.
[0064] Specifically, this embodiment takes a gear workpiece as an example, and continues to introduce a machine vision-based method for identifying surface defects on a metal ...
Embodiment 2
[0094] This embodiment discloses a device for identifying surface defects of a metal workpiece 101 based on machine vision.
[0095] Such as Figure 9 Shown: the metal workpiece 101 surface defect recognition device based on machine vision includes
[0096] The manipulator 1 is used for clamping a metal workpiece 101 .
[0097] The alarm 5 is used for sending an alarm signal.
[0098] The lifting bin 2 is used to place metal workpieces 101, and the lifting bin 2 is divided into two parts: a defective parts bin and a normal parts bin by a partition.
[0099] The image acquisition device is used to acquire the surface image of the metal workpiece 101 . The image acquisition device includes an industrial camera 3 and an adjustable bracket 4 , wherein the industrial camera 3 is fixed on the adjustable bracket 4 , and the adjustable bracket 4 is placed directly opposite the manipulator 1 .
[0100] The central processing module is used to obtain the surface image of the metal w...
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