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公开(公告)号：WO2021066822A1
公开(公告)日：2021-04-08
申请号：PCT/US2019/054306
申请日：2019-10-02
Applicant: DATACOLOR, INC.
Inventor： WEI, Hong , DESHPANDE, Sachin , PARK, Taeyoung
Abstract: A processing system of a mobile device acquires an image of an object of a target color, wherein the image was captured by an integrated digital camera of the mobile device, calculates a first plurality of values that describes the target color, and wherein the calculating is based on an analysis of a pixel of the image, and identifies a first candidate color from among a plurality of candidate colors, wherein each candidate color in the plurality of candidate colors is associated with a second set of values that describes the each candidate color, and wherein the second set of values describing the first candidate color matches the first set of values more closely than any second set of values associated with another candidate color of the plurality of candidate colors.
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22.发明申请SYSTEM AND APPARATUS FOR THE CALIBRATION AND MANAGEMENT OF COLOR IN MICROSCOPE SLIDES 审中-公开用于微型幻灯片中颜色校准和管理的系统和设备
公开(公告)号：WO2013025688A1
公开(公告)日：2013-02-21
申请号：PCT/US2012/050733
申请日：2012-08-14
Applicant: DATACOLOR, INC. , BRILL, Michael , WEI, Hong , PARK, Taeyoung
Inventor： BRILL, Michael , WEI, Hong , PARK, Taeyoung
IPC: G09G5/06
CPC classification number: G02B21/365
Abstract: A system and apparatus for the color calibration of images recorded through a microscope. An integrated color calibration target microscope slide device and specimen are recorded with an imaging device that acquires both the color values of the specimen and the color values of the color calibration target under a plurality of illuminations and trans-illuminations. A composite image is formed to provide a spectral estimation of the relevant color values of the image. The image is converted into multi-stimulus values governed by a plurality of illuminating conditions. The multi-stimulus values are used to provide image calibration data so that color values of the image, when displayed on a display devices, are faithfully reproduced.
Abstract translation: 用于通过显微镜记录的图像的颜色校准的系统和装置。 使用在多个照明和反照照下获取样本的颜色值和颜色校准目标的颜色值的成像装置来记录集成的颜色校准目标显微镜载玻片装置和样本。 形成合成图像以提供图像的相关颜色值的谱估计。 图像被转换为由多个照明条件控制的多刺激值。 多刺激值用于提供图像校准数据，使得当显示在显示装置上时，图像的颜色值被忠实地再现。
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公开(公告)号：US11892351B2
公开(公告)日：2024-02-06
申请号：US17855133
申请日：2022-06-30
Applicant: DATACOLOR INC.
Inventor： Zhiling Xu , William Bishop
CPC classification number: G01J3/28 , G01J3/0297
Abstract: In the disclosure provided herein, the described apparatus, systems and methods are directed to compensation of errors caused by the difference between the specular port and the sphere in a sphere-based color-measurement instrument, and improvement of the performance of the instrument. In one or more implementations, described approaches eliminate the need for hardware replacement, and therefore reduce costs associated with the operation of color measurement instruments.
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公开(公告)号：US20240003742A1
公开(公告)日：2024-01-04
申请号：US17855133
申请日：2022-06-30
Applicant: DATACOLOR INC.
Inventor： Zhiling Xu , William Bishop
CPC classification number: G01J3/28 , G01J3/0297
Abstract: In the disclosure provided herein, the described apparatus, systems and methods are directed to compensation of errors caused by the difference between the specular port and the sphere in a sphere-based color-measurement instrument, and improvement of the performance of the instrument. In one or more implementations, described approaches eliminate the need for hardware replacement, and therefore reduce costs associated with the operation of color measurement instruments.
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公开(公告)号：US20220099564A1
公开(公告)日：2022-03-31
申请号：US17034873
申请日：2020-09-28
Applicant: DATACOLOR INC.
Inventor： Zhiling Xu
Abstract: A method has been developed to improve the stability of a color measurement system that measures reflectances using matrix-transformation method. The transformation matrix can be obtained by training with a raw measurement matrix and a master reflectance matrix. The raw measurement matrix can be stacked with one or more of its variations, with each variation being some random noise added onto a part or the whole original raw signal matrix. The same number of master reflectance matrices are also stacked to match the size and sample ordering of the raw measurement matrix. The resulting transformation matrix will be more stable and less sensitive to the measurement noise.
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Patent Agency Ranking
公开(公告)号：US11112312B2
公开(公告)日：2021-09-07
申请号：US16451958
申请日：2019-06-25
Applicant: Datacolor, Inc.
Inventor： Nilesh B. Dhote , Taeyoung Park
Abstract: A method includes determining a fielded color measurement instrument is not calibrated to measure light emitted by a fielded light emitting device, assembling a calibration matrix, such that a product of the calibration matrix multiplied by a response of the fielded color measurement instrument to the light emitted by the fielded light emitting device is a triplet that corresponds to a Commission Internationale de L'éclairage XYZ color space, wherein the calibration matrix contains measurements made by the fielded color measurement instrument of a first plurality of lights emitted by the fielded light emitting device and measurements made by a spectroradiometer of a second plurality of lights emitted by a reference light emitting device of a same make and model as the fielded light emitting device, wherein the spectroradiometer is located remotely from the fielded color measurement instrument, and storing the calibration matrix on the fielded color measurement instrument.
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公开(公告)号：US20210102842A1
公开(公告)日：2021-04-08
申请号：US16591088
申请日：2019-10-02
Applicant: Datacolor, Inc.
Inventor： Hong Wei , Sachin Deshpande , Taeyoung Park
Abstract: A processing system of a mobile device acquires an image of an object of a target color, wherein the image was captured by an integrated digital camera of the mobile device, calculates a first plurality of values that describes the target color, and wherein the calculating is based on an analysis of a pixel of the image, and identifies a first candidate color from among a plurality of candidate colors, wherein each candidate color in the plurality of candidate colors is associated with a second set of values that describes the each candidate color, and wherein the second set of values describing the first candidate color matches the first set of values more closely than any second set of values associated with another candidate color of the plurality of candidate colors.
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公开(公告)号：US10928251B2
公开(公告)日：2021-02-23
申请号：US16673405
申请日：2019-11-04
Applicant: DATACOLOR INC.
Inventor： Taeyoung Park , Hong Wei , Zhiling Xu , Venkata R. Thumu
Abstract: Embodiments of the present invention are directed towards systems, methods and computer program products for correcting inter-instrumentation variation among color measurement devices. In one particular implementation, a method for correcting inter-instrument variation among color measurement devices includes obtaining a set of color measurements of an item under analysis. The described approach also includes accessing a conversion model, wherein the conversion module has been generated using one or more ANN back propagated over a collection of data points, where the data points correspond to measurements of a color standard using devices from a control device batch and a test device batch. Using the conversion module, a processor is configured to transform the set of color measurements into a calibrated color measurement set. The calibrated color measurement set is then output to at least one display, memory or remote computing device.
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公开(公告)号：US10591354B1
公开(公告)日：2020-03-17
申请号：US16174746
申请日：2018-10-30
Applicant: DATACOLOR INC.
Inventor： Zhiling Xu
Abstract: A color measurement system is provided that includes an integrating sphere having at least one specular component included (SCI) sensor configured to output a signal in response to light incident thereupon and at least one specular component excluded (SCE) sensor configured to output a signal in response to light incident thereupon, a sample port, a SCE port, a light source configured to direct a beam of light into the sphere and provide illumination at the sample port and a specular component excluded port. The system also includes a processor having a memory and configured by code to activate the light source so as to cause a beam of light to be directed into the sphere and provide illumination to the sample port. The processor is also configured to receive a signal output by the SCI sensor and a signal output by the SCE sensor. Furthermore, the processor is configured to obtain at least one measurement coefficient value and generate a corrected SCE measurement value using at least the SCI sensor value, the SCE sensor value and the obtained measurement coefficient. The processor is configured to output at least the corrected SCE measurement value and the SCI measurement value.
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公开(公告)号：US10444074B1
公开(公告)日：2019-10-15
申请号：US15939044
申请日：2018-03-28
Applicant: Datacolor Inc.
Inventor： Zhiling Xu , Hong Wei , Taeyoung Park
Abstract: A method and a system are provided to measure transmittance or reflectance of a color specimen by using a transformation matrix obtained from the measurement values of a series of known transmittance or reflectance calibration color standards and multiple flashes from different illumination sources. A color spectrum can be determined with reduced error by calculating the reflectance spectra of an object using measurement matrices obtained under at least two illuminants and the transformation matrix.
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