Not by estimation, but by measurement. We capture the surface in 3D from surface normals that are not affected by lighting.
FORESIGHT STEREO is a 3D imaging technology developed independently by our company. It captures images by illuminating from different directions in sequence, obtaining the physical quantity of surface orientation (surface normals) in a way that is unaffected by lighting, and reconstructing the 3D shape. Since it measures the orientation of surfaces rather than colors or patterns, it can capture shallow scratches, dents, and fine unevenness even on mirror-like or glossy surfaces by suppressing specular reflection. From a single imaging session, four outputs are obtained: normal images (Live), 2D Texture, 3D Surface, and Surface Normal, which can be used for visual inspection as well as input for the AI anomaly detection engine "E3 ENGINE." It is equipped in our TR series (TR-300/TR-100/TR-55).
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basic information
■Method: Acquisition of surface normals and 3D shape reconstruction using multi-directional lighting ■Output: Live / 2D Texture (brightness of the material excluding shading) / 3D Surface (shape with only undulations) / Surface Normal (feature represented by color indicating the orientation of the surface) ■3D image generation time: 30ms (4MP × 4 images, using RTX 3060 6GB) ■System configuration: LED multi-directional lighting, industrial camera, 3D shape reconstruction software ■Viewing software: FORESIGHT STEREO Viewer (viewing 4 outputs and 3D shapes from different perspectives) ■Supported products: TR-300, TR-100, TR-55
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Applications/Examples of results
■Automotive parts: Surface defects of metallic luster products, uneven paint, dents ■Semiconductor packages: Fine surface irregularities, bonding failures ■Building materials: Surface quality of tiles and glass ■Detection of welding bead spatter ■Verification of engravings and reliefs, identification/authentication, digital archiving of cultural properties, etc. Implementation process: Technical consultation/requirements definition → System design/construction → Operational support/maintenance
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TOMOMI RESEARCH develops and provides visual inspection systems built on two core technologies: FORESIGHT STEREO, our proprietary 3D imaging technology that measures surface normals as a physical quantity independent of lighting, and E3 ENGINE, an AI anomaly detection engine trained on good products only. Measured, not estimated. By capturing surface orientation with multi-directional lighting, we suppress specular reflection and reveal shallow scratches and subtle unevenness, even on mirror-like and glossy surfaces. E3 ENGINE quantifies how far each part deviates from good products and returns one of three results: OK, Human_Check, or NG. Uncertain cases are passed back to a human inspector, so you keep numerical inspection criteria while reducing the burden on inspectors. Adding or updating product types is easy. Our lineup includes the TR-300, which inspects parts while creating 3D data on a moving line (winner of the Future Creation Award at the 40th Kanagawa Industrial Technology Development Awards and the Encouragement Award at the 38th Excellent New Technology and New Product Awards for SMEs), and the TR-100 for parts placed for inspection, so you can choose equipment that fits your process. We also offer sample imaging and inspection trials. Please feel free to contact us.
