Abstract:
In the present disclosure techniques related to display of device independent color differences are described. In examples, a color comparison graphical user interface (GUI) is operated. The GUI displays a color of a sample object. Further, the GUI displays a color of a reference object. Further, the GUI displays a device independent color difference between the sample color and the reference color.
Abstract:
Disclosed herein are methods and systems for scanning objects and associated substances, where the methods include: (a) using a first electronic device to scan a feature of an object and provide reference information about the object based on the scanned feature, where the feature identifies the object or a substance associated with the object; (b) using a second electronic device to measure electromagnetic radiation emitted from the object and provide sample information about the object based on the measured electromagnetic radiation; and (c) comparing the sample information and the reference information to determine whether the object includes the substance associated with the object.
Abstract:
An adapter for use with a hand-held electronic device for use in detecting the optical properties of a sample. The adapter includes a backing plate having an integral surface that secures the adapter to the electronic device. The adapter also includes a sample housing having a sample holder and a cap. The sample holder is configured to receive the placement of a sample and/or a sample vessel. The backing plate includes an orifice that allows the passage of light from the sample to the detector of the electronic device. The backing plate may also include another orifice that allows for light emitted from an emitter of the electronic device to enter into the sample holder. The sample holder may also include reflective surfaces that direct light to/from the sample as well as filters that filter the wavelength of light sent to sample and/or detected by the detector.
Abstract:
Color calibration of color image rendering devices, such as large color displays, which operate by either projection or emission of images, utilize internal color measurement instrument or external color measurement modules locatable on a wall or speaker. A dual use camera is provided for a portable or laptop computer, or a cellular phone, handset, personal digital assistant or other handheld device with a digital camera, in which one of the camera or a display is movable with respect to the other to enable the camera in a first mode to capture images of the display for enabling calibration of the display, and in a second mode for capturing image other than of the display. The displays may represent rendering devices for enabling virtual proofing in a network, or may be part of stand-alone systems and apparatuses for color calibration. Improved calibration is also provided for sensing and correcting for non-uniformities of rendering devices, such as color displays, printer, presses, or other color image rendering device.
Abstract:
Disclosed is a portable handheld characteristic analyzer used to analyze chemical compositions in or near real-time. The analyzer may include a portable housing, at least one optical computing device arranged within the portable housing for monitoring a sample, the at least one optical computing device having at least one integrated computational element configured to optically interact with the sample and thereby generate optically interacted light, at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the sample, and a signal processor communicably coupled to the at least one detector for receiving the output signal, the signal processor being configured to determine the characteristic of the sample and provide a resulting output signal indicative of the characteristic of the sample.
Abstract:
A handheld infrared spectroscopy device and method of use. The device is a hand-held spectroscopy device, that may be integral to a mobile phone or smart device such as a smart phone, tablet, personal digital assistant, computer or other device that is portable and capable of performing applications. A liquid sample port internal to the device and in close proximity to the device spectrometer performs infrared spectra analysis on liquid samples, allowing both portability as well as highly sophisticated and specific spectral analysis of liquid samples. The device has wireless communication capability, enabling transmission of data and spectral imagery across the globe.
Abstract:
The present disclosure provides for a portable device for detecting the presence of explosive materials, including bulk explosive materials and out-gassed by products of explosive materials. The portable device may comprise a tunable filter and a NIR detector, configured so as to generate a NIR hyperspectral image representative of a target. The portable device may also comprise a RGB detector configured to generate a video image of a region of interest. The disclosure also provides for a method of detecting explosive materials using NIR hyperspectral imaging which may comprise collecting interacted photons, passing the interacted photons through a tunable filter, and detecting the interacted photons to generate a NIR hyperspectral image representative of a target. The method may also comprise surveying a region of interest using a RGB detector to identify a target for further inspection using NIR hyperspectral imaging.
Abstract:
The present invention creates a spectrometer (1; 1′) for measuring the concentration of at least one analyte in a fluid sample (2; 2′), with a light source (3; 3′) to generate a light beam (4; 4′), with a photosensor (5; 5′) to receive the light beam (4; 4′), and with a measurement length (6; 6′), in which the fluid sample (2; 2′) can be placed, in the beam path of the light beam (4; 4′), the measurement length (6; 6′) being provided in changeable form.
Abstract:
An inline spectroscopic reader having a light source, one or more optics heads, a spectrometer and a data processing system in digital communication with the spectrometer detector. The optics heads include transmission optics providing for the illumination of a target with light from the light source and detection optics providing for the collection of light from the target. Typically, the target is moving with respect to the optics head during spectroscopic interrogation. The spectroscopic reader is thus an inline reader well suited to provide spectrum based production or analytical decision making in real time as the target moves along a production or analysis line. Also disclosed are methods including the steps of illuminating a target with light from a light source; collecting light from the target; obtaining a digitized spectrum with a spectrometer; extracting information content from the digitized spectrum; and basing a contemporaneous process decision upon the information content.
Abstract:
An apparatus for imaging a tooth has at least one illumination source for providing an incident light having a first spectral range for obtaining a reflectance image of the tooth and a second spectral range for exciting a fluorescence image of the tooth. A first polarizer having a first polarization axis and a compensator in the path of the incident light of the first spectral range are disposed to direct light toward the tooth. A second polarizer is disposed to direct light obtained from the tooth toward a sensor and has a second polarization axis that is orthogonal to the first polarization axis. A lens is positioned in the return path to direct image-bearing light from the tooth toward the sensor for obtaining image data. A filter in the path of the image-bearing light from the tooth is treated to attenuate light in the second spectral range.