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公开(公告)号：US20160104020A1
公开(公告)日：2016-04-14
申请号：US14511030
申请日：2014-10-09
Applicant: Cognex Corporation
Inventor： Ivan A. Bachelder , Savithri Vaidyanathan
CPC classification number: G06K7/1439 , G06K7/10821 , G06K7/1465 , G06K7/1491
Abstract: Systems and methods for decoding a barcode are disclosed. A scan signal for a first portion of the barcode is acquired. Integrated sub-character barcode feature evidence for the barcode is stored including evidence for a first plurality of possible sub-character barcode feature interpretations for a first plurality of sub-character barcode features. Sub-character barcode feature measurements are extracted for a second plurality of sub-character barcode features from the scan signal. Sub-character barcode feature evidence is determined for the second plurality of sub-character barcode features, including evidence for a second plurality of possible sub-character barcode feature interpretations for the second plurality of sub-character barcode features. Whether a portion of the integrated sub-character barcode feature evidence corresponds to a portion of the sub-character barcode feature evidence is determined. The sub-character barcode feature evidence is integrated into the integrated sub-character barcode. Character values are determined from the integrated sub-character barcode feature evidence.
Abstract translation: 公开了用于解码条形码的系统和方法。 获取条形码的第一部分的扫描信号。 存储条形码的集成子字符条形码的特征证据包括用于第一多个子字符条形码特征的第一多个可能的子字符条形码特征解释的证据。 从扫描信号提取第二多个子字符条形码特征的子字符条形码特征测量。 对于第二多个子字符条形码特征确定子字符条形码特征证据，包括第二多个子字符条形码特征的第二多个可能的子字符条形码特征解释的证据。 集成子字符条形码的一部分特征证据是否对应于子字符条形码特征证据的一部分。 子字符条形码特征证据集成到集成子字符条形码中。 字符值由集成的子字符条形码特征证据确定。
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公开(公告)号：US20200242793A1
公开(公告)日：2020-07-30
申请号：US16259761
申请日：2019-01-28
Applicant: COGNEX CORPORATION
Inventor： José Fernandez-Dorado , Emilio Pastor Mira , Francisco Azcona Guerrero , Ivan Bachelder , Laurens Nunnink , Torsten Kempf , Savithri Vaidyanathan , Kyra Moed , John Bryan Boatner
Abstract: Determining dimensions of an object can include determining a distance between the object and an imaging device, and an angle of an optical axis of the imaging device. One of more features of the object can be identified in an image of the object. The dimensions of the object can be determined based upon the distance, the angle, and the one or more identified features.
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公开(公告)号：US10937183B2
公开(公告)日：2021-03-02
申请号：US16259761
申请日：2019-01-28
Applicant: COGNEX CORPORATION
Inventor： José Fernandez-Dorado , Emilio Pastor Mira , Francisco Azcona Guerrero , Ivan Bachelder , Laurens Nunnink , Torsten Kempf , Savithri Vaidyanathan , Kyra Moed , John Bryan Boatner
Abstract: Determining dimensions of an object can include determining a distance between the object and an imaging device, and an angle of an optical axis of the imaging device. One of more features of the object can be identified in an image of the object. The dimensions of the object can be determined based upon the distance, the angle, and the one or more identified features.
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公开(公告)号：US09361499B2
公开(公告)日：2016-06-07
申请号：US14511030
申请日：2014-10-09
Applicant: Cognex Corporation
Inventor： Ivan A. Bachelder , Savithri Vaidyanathan
CPC classification number: G06K7/1439 , G06K7/10821 , G06K7/1465 , G06K7/1491
Abstract: Systems and methods for decoding a barcode are disclosed. A scan signal for a first portion of the barcode is acquired. Integrated sub-character barcode feature evidence for the barcode is stored including evidence for a first plurality of possible sub-character barcode feature interpretations for a first plurality of sub-character barcode features. Sub-character barcode feature measurements are extracted for a second plurality of sub-character barcode features from the scan signal. Sub-character barcode feature evidence is determined for the second plurality of sub-character barcode features, including evidence for a second plurality of possible sub-character barcode feature interpretations for the second plurality of sub-character barcode features. Whether a portion of the integrated sub-character barcode feature evidence corresponds to a portion of the sub-character barcode feature evidence is determined. The sub-character barcode feature evidence is integrated into the integrated sub-character barcode. Character values are determined from the integrated sub-character barcode feature evidence.
Abstract translation: 公开了用于解码条形码的系统和方法。 获取条形码的第一部分的扫描信号。 存储条形码的集成子字符条形码的特征证据包括用于第一多个子字符条形码特征的第一多个可能的子字符条形码特征解释的证据。 从扫描信号提取第二多个子字符条形码特征的子字符条形码特征测量。 对于第二多个子字符条形码特征确定子字符条形码特征证据，包括第二多个子字符条形码特征的第二多个可能的子字符条形码特征解释的证据。 集成子字符条形码的一部分特征证据是否对应于子字符条形码特征证据的一部分。 子字符条形码特征证据集成到集成子字符条形码中。 字符值由集成的子字符条形码特征证据确定。
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