# US 2021/0241017 A1 · Recognition parameter optimization device, component mounting system and recognition parameter optimization method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0241017 A1 - Document ID: US20210241017A1 - Status: Published application - Kind: A1 - Application number: 17/049,918 - Filed: 2018-05-31 - Published: 2021-08-05 - Earliest claimed: 2018-05-31 - Assignees: Yamaha Hatsudoki Kabushiki Kaisha - Applicants: Yamaha Hatsudoki Kabushiki Kaisha - Inventors: Hiroshi KATO - Web page: https://patentgrep.com/patent/US20210241017A1 ## CPC - H05K 13/0818: {Setup of monitoring devices prior to starting mounting operations; Teaching of monitoring devices for specific products; Compensation of drifts during operation, e.g. due to temperature shifts} - G06T 5/92: based on global image properties - G06T 7/0004: {Industrial image inspection} - H05K 13/0812: {the monitoring devices being integrated in the mounting machine, e.g. for monitoring components, leads, component placement} - G06T 2207/10024: Color image - G06V 2201/07: Target detection - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - G06T: IMAGE DATA PROCESSING OR GENERATION, IN GENERAL - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING ## Abstract The image data obtained by imaging the component in the component recognition when the component mounter mounts the component on the board is stored in the storage, and the luminance related condition is optimized based on this image data. Therefore, a proper luminance related condition corresponding to the component to be actually mounted can be obtained. ## Claims ### Claim 1 A recognition parameter optimization device, comprising: a communication unit configured to receive image data obtained in a component mounter that performs component recognition to recognize a component based on a result of performing an image processing for a luminance indicated by the image data, which is obtained by imaging the component by a camera while irradiating light to the component from an illuminator, using a threshold value and mount the component on a board based on a result of the component recognition; a storage configured to store the image data received by the communication unit; and an arithmetic unit configured to optimize a luminance related condition indicating a combination of a brightness of the light of the illuminator and the threshold value used in the component recognition based on the image data stored in the storage and store an optimized luminance related condition in the storage. ### Claim 2 (depends on 1) The recognition parameter optimization device according to claim 1, wherein: the storage is configured to store the image data in association with an attribute of the image data, the attribute is distinguished at least by a type of the component included in the image data, and the arithmetic unit is configured to optimize the luminance related condition in performing the component recognition for the type of the component corresponding to the same attribute based on a plurality of pieces of image data having the same attribute. ### Claim 3 (depends on 2) The recognition parameter optimization device according to claim 2, wherein the attribute is distinguished by a combination of the type of the component and at least one of a manufacturer of the component as a target of the component recognition, the camera used in the component recognition, and the component mounter having performed the component recognition. ### Claim 4 (depends on 2) The recognition parameter optimization device according to claim 2, wherein, if the communication unit receives the attribute of the image data planned to be obtained in the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having the attribute received by the communication unit to the component mounter via the communication unit. ### Claim 5 (depends on 1) The recognition parameter optimization device according to claim 1, wherein, if the communication unit receives the image data obtained by the component mounter imaging the component before start of the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having a predetermined relationship with the image data received by the communication unit to the component mounter via the communication unit. ### Claim 6 (depends on 5) The recognition parameter optimization device according to claim 5, wherein the arithmetic unit is configured to transmit the luminance related condition optimized based on the image data similar to the image data received by the communication unit to the component mounter via the communication unit. ### Claim 7 (depends on 5) The recognition parameter optimization device according to claim 5, wherein the communication unit is configured to receive the image data obtained before the start of the component recognition by the component mounter imaging the component on a predetermined illumination condition of irradiating light of a predetermined brightness from the illuminator. ### Claim 8 (depends on 7) The recognition parameter optimization device according to claim 7, wherein: the storage is configured to store the image data, equivalent to a case where the image data obtained on the luminance related condition is obtained on the predetermined illumination condition, as reference image data in association with the luminance related condition, and the arithmetic unit is configured to transmit the luminance related condition associated with the reference image data similar to the image data received by the communication unit to the component mounter via the communication unit. ### Claim 9 (depends on 7) The recognition parameter optimization device according to claim 7, wherein: the storage is configured to store the image data used in optimizing the luminance related condition and the luminance related condition in association, the arithmetic unit is configured to transmit the luminance related condition associated with the image data satisfying a predetermined collation condition as a result of collating the image data received by the communication unit and the image data associated with the luminance related condition to the component mounter via the communication unit, and the collation condition is a condition on which adjusted image data generated by adjusting a luminance of the image data received by the communication unit according to a difference between the predetermined illumination condition and the luminance related condition associated with the image data to be collated and the image data to be collated are similar. ### Claim 10 (depends on 1) The recognition parameter optimization device according to claim 1, wherein: the component is recognized in the component recognition based on a comparison of the component extracted from the image data using the threshold value of the luminance related condition and a component related condition on a configuration of the component, and the arithmetic unit is configured to optimize the component related condition based on the configuration of the component extracted from the image data using the threshold value of the optimized luminance related condition and store an optimized component related condition in the storage. ### Claim 11 (depends on 1) A component mounting system, comprising: a component mounter configured to perform component recognition to recognize a component based on a result of performing an image processing for a luminance indicated by the image data, which is obtained by imaging the component by a camera while irradiating light to the component from an illuminator, using a threshold value and mount the component on a board based on a result of the component recognition; and the recognition parameter optimization device according to claim 1. ### Claim 12 A recognition parameter optimization method, comprising: receiving image data by a communication unit, the image data being obtained by a component mounter that is configured to perform component recognition to recognize a component based on a result of performing an image processing for a luminance indicated by the image data, which is obtained by imaging the component by a camera while irradiating light to the component from an illuminator, using a threshold value and mount the component on a board based on a result of the component recognition; storing the image data received by the communication unit in a storage; and optimizing a luminance related condition indicating a combination of a brightness of the light of the illuminator and the threshold value used in the component recognition based on the image data stored in the storage and storing an optimized luminance related condition in the storage. ### Claim 13 (depends on 3) The recognition parameter optimization device according to claim 3, wherein, if the communication unit receives the attribute of the image data planned to be obtained in the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having the attribute received by the communication unit to the component mounter via the communication unit. ### Claim 14 (depends on 2) The recognition parameter optimization device according to claim 2, wherein, if the communication unit receives the image data obtained by the component mounter imaging the component before start of the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having a predetermined relationship with the image data received by the communication unit to the component mounter via the communication unit. ### Claim 15 (depends on 3) The recognition parameter optimization device according to claim 3, wherein, if the communication unit receives the image data obtained by the component mounter imaging the component before start of the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having a predetermined relationship with the image data received by the communication unit to the component mounter via the communication unit. ### Claim 16 (depends on 4) The recognition parameter optimization device according to claim 4, wherein, if the communication unit receives the image data obtained by the component mounter imaging the component before start of the component recognition, the arithmetic unit transmits the luminance related condition optimized based on the image data having a predetermined relationship with the image data received by the communication unit to the component mounter via the communication unit. ### Claim 17 (depends on 2) The recognition parameter optimization device according to claim 2, wherein: the component is recognized in the component recognition based on a comparison of the component extracted from the image data using the threshold value of the luminance related condition and a component related condition on a configuration of the component, and the arithmetic unit is configured to optimize the component related condition based on the configuration of the component extracted from the image data using the threshold value of the optimized luminance related condition and store an optimized component related condition in the storage. ### Claim 18 (depends on 3) The recognition parameter optimization device according to claim 3, wherein: the component is recognized in the component recognition based on a comparison of the component extracted from the image data using the threshold value of the luminance related condition and a component related condition on a configuration of the component, and the arithmetic unit is configured to optimize the component related condition based on the configuration of the component extracted from the image data using the threshold value of the optimized luminance related condition and store an optimized component related condition in the storage. ### Claim 19 (depends on 2) A component mounting system, comprising: a component mounter configured to perform component recognition to recognize a component based on a result of performing an image processing for a luminance indicated by the image data, which is obtained by imaging the component by a camera while irradiating light to the component from an illuminator, using a threshold value and mount the component on a board based on a result of the component recognition; and the recognition parameter optimization device according to claim 2. ### Claim 20 (depends on 3) A component mounting system, comprising: a component mounter configured to perform component recognition to recognize a component based on a result of performing an image processing for a luminance indicated by the image data, which is obtained by imaging the component by a camera while irradiating light to the component from an illuminator, using a threshold value and mount the component on a board based on a result of the component recognition; and the recognition parameter optimization device according to claim 3.