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Hyperspectral imaging spectrophotometer and system

A technique of hyperspectral imaging, spectral filters, applied in the field of hyperspectral imaging spectrophotometers and systems, capable of solving statistical analysis, separating measurements into dominant colors, removing gloss that is not part of the core color of a sample, or shadows etc.

Pending Publication Date: 2020-03-31
X-RITE
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  • Application Information

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Problems solved by technology

Further, since the spatial information is averaged into a single measurement, prior art instruments cannot: remove defects, perform statistical analysis on sub-regions, separate measurements into dominant colors, remove gloss that is not part of the sample's core color or shadows, or apply spatial transformations related to mimicking human visual perception

Method used

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  • Hyperspectral imaging spectrophotometer and system
  • Hyperspectral imaging spectrophotometer and system
  • Hyperspectral imaging spectrophotometer and system

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Embodiment Construction

[0026] While the described embodiments may take many different forms, it is with the understanding that this disclosure is considered to be exemplifying the principles of the invention. The specific embodiments illustrated in the drawings will be described and are not intended to limit the invention to in the specific embodiment shown.

[0027] A hyperspectral imaging spectrophotometer system is described. Instead of reducing a given sample to a single color measurement, a hyperspectral imaging spectrophotometer system acquires successive two-dimensional images of the sample through a series of narrow-band spectral filters, and then processes these images to provide three-dimensional hyperspectral reflectance data in a multidimensional dataset (two spatial dimensions plus the spectral reflectance data dimension).

[0028] A hyperspectral imaging spectrophotometer system includes an imaging spectrophotometer and a computer for image processing. In preferred embodiments, the i...

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Abstract

A hyperspectral imaging spectrophotometer and system, with calibration, data collection, and image processing methods designed to match human visual perception and color matching of complex colored objects.

Description

technical field [0001] The present application relates to a hyperspectral imaging spectrophotometer and system with calibration, data acquisition and image processing methods designed to match human visual perception and color matching of complex colored objects. Background technique [0002] Retail paint stores will often offer a paint-matching service, in which paint is custom formulated to match the color of a swatch-inspired item. Inspiration items can be paint chips, fabrics, or objects. [0003] In one example, a customer goes to a hardware store and wants a bucket of custom mixed paint that matches a physical color patch from a fan color swatch or other physical swatch. In the workflow, the customer's color patches are first measured by an instrument such as a spectrophotometer or colorimeter, which can output calibrated colorimetric data (such as spectral reflectance curves) or tristimulus values ​​in color space (such as CIE L*a*b*). Once the chromaticity data fo...

Claims

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Application Information

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IPC IPC(8): G06T3/40G06T7/11H04N5/225G01J3/02G01J3/26G01J3/28G01J3/51
CPCG01J3/0291G01J3/10G01J3/462G01J3/463G01J3/465G01J3/524G06T7/90G01J3/51G06T2207/10024G06T7/11G06T2207/20012G06T2207/10152G06T2207/20216G01N21/57
Inventor C.伯斯T.理查德森R.J.范安德尔D.博斯谢尔D.萨利尔
Owner X-RITE
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