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    • 91. 发明授权
    • Image acquisition method of object on supporting surface
    • 支撑面上物体的图像采集方法
    • US09420205B2
    • 2016-08-16
    • US14355891
    • 2012-10-31
    • DATALOGIC IP TECH S.R.L.
    • Michele BenedettiRoberto Musiani
    • H04N5/357G06K7/14G06T3/00
    • H04N5/357G06K7/1439G06K7/1456G06T3/00
    • A method of acquiring images of an object arranged on a supporting surface includes providing at least one optical image acquisition apparatus of the object provided with an optical axis; in a work step of the optical apparatus an acquired image is processed to correct a possible perspective distortion of the image and at least one feature of the object is extracted from the processed image. The method further includes associating a known reference plane with the object and, in a configuration step of the optical apparatus preceding the work step, obtaining a corresponding inclination between the reference plane and the optical axis; processing the acquired image in fact comprises identifying a processing mode determined as a function of the corresponding inclination and applying this preset processing mode to correct the possible perspective distortion.
    • 获取布置在支撑表面上的物体的图像的方法包括:提供具有光轴的物体的至少一个光学图像获取装置; 在光学装置的工作步骤中,处理获取的图像以校正图像的可能的透视失真,并且从处理的图像中提取对象的至少一个特征。 该方法还包括将已知参考平面与对象相关联,并且在工作步骤之前的光学设备的配置步骤中,获得参考平面和光轴之间的对应倾斜度; 处理所获取的图像实际上包括识别作为相应倾斜度的函数确定的处理模式,并应用该预设处理模式以校正可能的透视失真。
    • 95. 发明授权
    • Scan engine with configurable communication interface
    • 具有可配置通讯接口的扫描引擎
    • US09286499B1
    • 2016-03-15
    • US14576671
    • 2014-12-19
    • DATALOGIC IP TECH S.R.L.
    • Federico CaniniStefano FracassiRiccardo Genovese
    • G02B26/10G06K7/10G06K9/22G06K19/06
    • G06K7/10851G06K7/1413
    • A system, apparatus, and methods for interfacing a scan engine for scanning optical code symbols and a decoder. The system employs a configurable communication interface configured to generate a relaxed DBP signal that is independent of the scanning distance or the scan rate used in a scanning operation using a DBP signal from the scan engine. A relaxed DBP signal may be generated by scaling a narrowest pulse in a pulse sequence to a fixed minimum pulse width. A relaxed DBP signal having transmission slots of a fixed duration may be generated by calculating a minimum pulse duration that enables transmission of a pulse sequence within the fixed duration. Upon scaling the narrowest pulse in a pulse sequence to the minimum pulse width, either fixed or calculated, the remaining pulses are scaled so as to maintain a relative proportionality of each pulse width in the pulse sequence.
    • 用于接口扫描引擎用于扫描光码符号和解码器的系统,装置和方法。 该系统采用可配置的通信接口,其被配置为生成与使用来自扫描引擎的DBP信号的扫描操作中使用的扫描距离或扫描速率无关的松弛DBP信号。 可以通过将脉冲序列中最窄的脉冲缩放到固定的最小脉冲宽度来产生松弛的DBP信号。 可以通过计算能够在固定持续时间内传输脉冲序列的最小脉冲持续时间来产生具有固定持续时间的传输时隙的松弛的DBP信号。 在将脉冲序列中的最窄脉冲缩放到固定或计算的最小脉冲宽度时,剩余脉冲被缩放以便保持脉冲序列中每个脉冲宽度的相对比例。
    • 96. 发明申请
    • IMAGE CAPTURING DEVICE
    • 图像捕获设备
    • US20150178533A1
    • 2015-06-25
    • US14568460
    • 2014-12-12
    • Federico CaniniGuido Maurizio Oliva
    • Federico CaniniGuido Maurizio Oliva
    • G06K7/10
    • G06K7/10801G06K7/10722G06K7/10732
    • An image capturing device includes an image forming device including a sensor defining an optical reception axis, at least one reading distance, and a region framed by the sensor on a substrate at said at least one reading distance. An illumination device includes an array of adjacent light sources defining an optical illumination axis. The light sources are individually drivable, and each light source is adapted to illuminate an area of a size much smaller than the size of said region framed by the sensor. The illumination axis does not coincide with the reception axis. A driver of the light sources is adapted to drive the light sources so as to switch off at least the light sources that illuminate outside of the boundary of the region framed by the sensor on the substrate at said at least one reading distance.
    • 图像捕获装置包括图像形成装置,该图像形成装置包括限定光接收轴的传感器,至少一个读取距离,以及由所述传感器在所述至少一个读取距离处的基板上构成的区域。 照明装置包括限定光照射轴的相邻光源的阵列。 光源是单独驱动的,并且每个光源适于照亮尺寸远小于由传感器构成的所述区域的尺寸的尺寸的区域。 照明轴与接收轴不一致。 所述光源的驱动器适于驱动所述光源,以至少在所述至少一个读取距离处至少照射由所述传感器在所述基板上构成的区域的边界外侧的光源。
    • 98. 发明申请
    • METHOD FOR DECODING A TWO-DIMENSIONAL OPTICAL CODE
    • 用于解码二维光学代码的方法
    • US20130256410A1
    • 2013-10-03
    • US13992323
    • 2010-12-09
    • Francesco DeppieriAntonio PascarellaRinaldo Zocca
    • Francesco DeppieriAntonio PascarellaRinaldo Zocca
    • G06K5/00
    • G06K5/00G06K7/14G06K7/1417G06K7/1465
    • A method for decoding a two-dimensional optical code formed by a set number of codewords, wherein decoding the code based on a single acquired image has not been successful, includes analysing an acquired image and at least one further acquired image and obtaining a respective set and further set of values of identified codewords. Each codeword can take on either an undefined value or vice versa a numeric value if the codeword is recognised. A combined set of codewords is created and each codeword of the combined set is assigned a value of a codeword of the set and/or of the further set and an algorithm for detecting and self-correction of errors is applied to the combined set to obtain confirmation of successful decoding of the two-dimensional code.
    • 一种用于解码由设定数量的码字形成的二维光码的方法,其中基于单个获取的图像对码的解码尚未成功,包括分析所获取的图像和至少一个另外获取的图像并获得相应的集合 以及识别的码字的另外一组值。 如果识别码字,则每个码字可以采用未定义的值,反之亦然。 创建组合的码字集合,并且将组合集合的每个码字分配给集合和/或另外的集合的码字的值,并且将用于检测和自校正错误的算法应用于组合集合以获得 确认成功解码的二维码。