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Workpiece image retrieval device, workpiece image retrieval method, and machine learning device

An image retrieval and machine learning technology, applied in image analysis, image data processing, instruments, etc., can solve the problem of poor efficiency in the creation of processing programs, and achieve the effect of easy retrieval

Pending Publication Date: 2022-07-08
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These creation assistance functions are based on the premise of recreating the machining program. Even when machining a workpiece with a similar shape, it is necessary to recreate the machining program, so the efficiency of creating the machining program is poor.

Method used

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  • Workpiece image retrieval device, workpiece image retrieval method, and machine learning device
  • Workpiece image retrieval device, workpiece image retrieval method, and machine learning device
  • Workpiece image retrieval device, workpiece image retrieval method, and machine learning device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0031] figure 1 It is a figure which shows the structure of the workpiece|work image search apparatus which concerns on Embodiment 1. The workpiece image retrieval device 100A is a computer that retrieves a workpiece image of a workpiece whose shape is similar to that of the workpiece to be processed.

[0032] The workpiece image retrieval device 100A is connected to the CAD system 101 , and reads out, from the CAD system 101 , three-dimensional data representing the workpiece shape of the workpiece to be processed. The workpiece image retrieval apparatus 100A searches for a workpiece image similar to the workpiece image represented by the 3D data based on the read 3D data, and outputs the retrieved workpiece image and a machining program corresponding to the workpiece image.

[0033] The workpiece image retrieval apparatus 100A includes a workpiece image acquisition unit 20 , a workpiece registration unit 30 , a database 40 , a registered image acquisition unit 50 , a workpi...

Embodiment approach 2

[0157]Next, use Figures 15 to 17 Embodiment 2 of the present invention will be described. In the second embodiment, the machine learning device determines whether or not the registered workpiece image should be used as a search target based on the shape feature of the registered workpiece image registered in the database 40, the shape feature of the new workpiece image, and the similarity between the workpiece shape to learn.

[0158] Figure 15 It is a figure which shows the structure of the workpiece|work image search apparatus which concerns on Embodiment 2. about Figure 15 The realization and figure 1 Component elements having the same functions in the illustrated workpiece image retrieval apparatus 100A according to the first embodiment are denoted by the same reference numerals, and overlapping descriptions are omitted.

[0159] The workpiece image retrieval device 100B has a machine learning device 121 and an estimation unit 122 in addition to the components incl...

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Abstract

A workpiece image search device (100A) is provided with: a workpiece image deformation unit (60) that generates a third workpiece image by deforming a second workpiece image such that the difference between the workpiece shapes of a first workpiece image obtained by projecting a first workpiece shape of a first workpiece onto a two-dimensional plane and the workpiece shape of the second workpiece image obtained by projecting a second workpiece shape of the second workpiece onto the two-dimensional plane becomes small; and a similarity calculation unit (70) that calculates the similarity between the first workpiece shape and the second workpiece shape by comparing the third workpiece image and the first workpiece image.

Description

technical field [0001] The present invention relates to a workpiece image retrieval device, a workpiece image retrieval method and a machine learning device for retrieving workpiece images. Background technique [0002] A machine tool controlled by a control device such as a numerical control (NC: Numerical Control) device processes workpieces having various shapes. Since the creation of the machining program used when the control device controls the machine tool takes man-hours, the creation of auxiliary functions for the creation of the machining program has been enriched. For example, as an auxiliary function for creating a machining program, there is a function for creating a machining program by setting the size of a machining object on an NC screen while viewing a drawing, and directly reading CAD (Computer-Aided Design) data. On the other hand, the function to create a machining program such as an NC program, etc. These creation assistance functions are based on the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00
CPCG06T7/75G06T2207/20084G06F16/5854G06F16/532G06V10/761G06V2201/06G06V10/754G06V10/26G06V10/46G06T15/20
Inventor 木下弘之川西亮辅盛田俊幸
Owner MITSUBISHI ELECTRIC CORP
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