Appearance inspection of 2D, 3D, and AI: Roles and combinations.
The inspection of appearance using 2D, 3D, and AI involves a division of roles: color and patterns are handled by a 2D camera, shape and depth by a 3D sensor, and the judgment of quality is managed by AI. A 2D system alone cannot determine depth, and a 3D system cannot distinguish color differences. The AI that makes judgments works better with higher quality information. The approach of adding only what is lacking is a reasonable way to proceed. 【Points】 - Color and patterns are handled by 2D, shape and depth by 3D, and judgment is managed by AI. - There is no need to add 3D to inspections that can be adequately performed with 2D. - AI cannot find beyond the quality of the captured information. *For detailed explanations, please refer to the technical notes and downloadable materials linked in the related links.*
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basic information
【Contents of this Technical Note】 ■ 2D, 3D, and AI see different things ■ There are things that cannot be seen with 2D alone ■ AI cannot surpass the quality of the captured information ■ When it is better not to add ■ Considerations when combining ■ How to proceed when verifying with the actual object 【Consultation】 I will confirm whether it can be measured or captured with the actual object. Please consult with a single photo.
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The technical notes can be read by anyone from the related links. We will discuss the costs of development and testing based on the details you provide.
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Applications/Examples of results
【Frequently Asked Questions】 Q. Can we add height measurement to the current 2D inspection? A. It may be possible. There is a method to measure height by adding a projector from an angle. In some cases, light may not reach the bottom of deep holes, and we will note that in the report. Q. If we use AI, can it make the same judgments as visual inspection? A. It is not guaranteed to be the same. Even if a person can distinguish a defect, if it is not captured in the image, AI will not be able to find it. First, we need to confirm whether it has been captured. Q. Is 3D inspection slower than 2D inspection? A. It depends on the method. Generally, methods that require taking multiple images to measure height will take more time. We will choose the method and number of images based on the time calculated per item.
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Company information
We specialize in 2D and 3D inspection and measurement technologies using cameras. We possess a wide range of knowledge in optics, mechanics, electronics, and software, enabling us to provide technical support for both hardware and software. Not only do we have personnel with experience working as researchers at image inspection device manufacturers, major electronic component manufacturers, and universities, but we also have numerous successful implementations of developed products in actual production environments, making our ability to adapt advanced technology to on-site needs a strong point. Additionally, we are skilled not only in developing proprietary algorithms but also in using off-the-shelf products such as image processing controllers from Keyence and Omron, allowing us to excel in selecting and utilizing the most suitable equipment for specific needs. In recent years, while AI technology has garnered attention, there are cases where utilizing 2D and 3D technologies can be implemented more easily than AI, and cases where optical devices and mechanical jigs can improve performance and reduce software load. We offer services related to image systems, including "equipment selection," "implementation support," "performance improvement of existing equipment," "technology development," and "joint development," so please feel free to consult with us first.
