Abstract: A method, apparatus and non-transitory computer readable medium for printing in grayscale are disclosed. For example, the method includes receiving a source profile of a color image, converting the source profile into a device specific color space profile, converting the device specific color space profile into a grayscale device specific color space profile that only has black separation values for each output node using a destination profile that is device specific and printing the color image in a grayscale using the grayscale device specific color profile that reproduces a tone of each color of the source profile of the color image.

Abstract: A system and method for automatic selection of at least one spot color to be processed by a digital image press includes identifying process colorants to determine principal and extended gamuts thereof. Spot color recipes of the principal and extended gamuts are retrieved from a spot color library, along with a set of attributes corresponding to use of colorants by the digital image press. For each spot color recipe, a combined attribute score is calculated relating to the principal gamut and the extended gamut, spot color recipe of the extended gamut or principal gamut is then identified for use based upon which has the higher combined attribute score. The spot color library is then updated in accordance with the identified recipe for production of each spot color. Print jobs are then output with the appropriate spot color recipe automatically selected.

Abstract: A method, apparatus and non-transitory computer readable medium for printing in grayscale are disclosed. For example, the method includes receiving a source profile of a color image, converting the source profile into a device specific color space profile, converting the device specific color space profile into a grayscale device specific color space profile that only has black separation values for each output node using a destination profile that is device specific and printing the color image in a grayscale using the grayscale device specific color profile that reproduces a tone of each color of the source profile of the color image.

Abstract: A wind energy recovery apparatus and related methods are disclosed. The apparatus is comprised of a first wind receiving member displaceable by a wind having a variable velocity, a first elastic member coupled to the first wind receiving member, and an electrical generator operatively connected to the first wind receiving member and configured to convert mechanical energy of the first wind receiving member to electrical energy. An energy storage device may be provided in communication with the electrical generator. A self-powered signal communications system including the apparatus is also disclosed. A method of identifying a site for recovering variational wind energy is also disclosed.

Abstract: A wind energy recovery apparatus and related methods are disclosed. The apparatus is comprised of a first wind receiving member displaceable by a wind having a variable velocity, a first elastic member coupled to the first wind receiving member, and an electrical generator operatively connected to the first wind receiving member and configured to convert mechanical energy of the first wind receiving member to electrical energy. An energy storage device may be provided in communication with the electrical generator. A self-powered signal communications system including the apparatus is also disclosed. A method of identifying a site for recovering variational wind energy is also disclosed.

Abstract: Methods, systems and processor-readable media for color balanced compression in dynamic range mistmatched color environments. An input L* can be compensated based on L*min in a destination space with respect to shadow colors while configuring a perceptual LUT during a profile phase. Input opponent color components a* and b* can be compressed based on how much L* is compensated to generate newly compressed L*a*b* values. The newly compressed L*a*b* values can be treated as an output L*a*b* to configure the perceptual LUT for color balanced compression thereof. Finally, an operation can be performed for recording in the output LUT, optimized CMYK values with respect to the output L*a*b* to configure the perceptual LUT in an ICC profile and result in the color balanced compression thereof.

Abstract: Methods and systems for dynamically detecting and switching profiling configuration in digital rendering. A set of color patches utilized for profiling can be rendered via a calibration engine and the color patches can be measured via inline/offline spectrophotometer. A high-accuracy MFD model can be built based on measurement from the color patches. A set of measurement values for a set of CMYK color probes can be obtained directly from the measurement and/or by processing through a MFD model. A classifier can be configured to determine a toner set based on the predicted and/or measured Lab values. The profiling procedure then automatically sets up a parameter set for the corresponding toner set to build a color look-up table via an inversion and optimization function. A destination ICC profile can be built based on the color LUTs. The system can handle multiple toner sets and produce optimized color outcome for each toner set.

Abstract: In accordance with one aspect of the present disclosure, apparatus are provided that include a color data conversion subsystem configured to convert color data in order to produce device-dependent output color separation data. The color data conversion subsystem has been configured by gamut mapping including providing a gamut in a hue-based color space and applying color distance adjustments to the hue-based color space. A hue dependent lightness preservation operation can also be part of the subsystem.

Abstract: Disclosed is a processor-implemented method for limiting ink output of marked image data using a target printer. A processor determines a constrained output (CMYK) LUT node data set for outputting the image data using the target printer to thereby mark the image data using a limited amount of ink. The constrained set is determined by re-encoding an encoded emulation output data, i.e., constraining an initial LUT node data set for the target printer based on a second. ICC profile with a smaller gamut. This allows the printer to inherit the smaller gamut. By constraining the initial LUT as disclosed herein, the final, constrained set emulates the smaller gamut in the target printer without suffering from pathological outcomes. The method enables the printer to inherit a natural ink limit methodology for the output colors that is more relatively proportional, and in a single destination profile.

Abstract: Methods and systems for dynamically detecting and switching profiling configuration in digital rendering. A set of color patches utilized for profiling can be rendered via a calibration engine and the color patches can be measured via inline/offline spectrophotometer. A high-accuracy MFD model can be built based on measurement from the color patches. A set of measurement values for a set of CMYK color probes can be obtained directly from the measurement and/or by processing through a MFD model. A classifier can be configured to determine a toner set based on the predicted and/or measured Lab values. The profiling procedure then automatically sets up a parameter set for the corresponding toner set to build a color look-up table via an inversion and optimization function. A destination ICC profile can be built based on the color LUTs. The system can handle multiple toner sets and produce optimized color outcome for each toner set.

Abstract: Methods, systems and processor-readable media for color balanced compression in dynamic range mistmatched color environments. An input L* can be compensated based on L*min in a destination space with respect to shadow colors while configuring a perceptual LUT during a profile phase. Input opponent color components a* and b* can be compressed based on how much L* is compensated to generate newly compressed L*a*b* values. The newly compressed L*a*b* values can be treated as an output L*a*b* to configure the perceptual LUT for color balanced compression thereof. Finally, an operation can be performed for recording in the output LUT, optimized CMYK values with respect to the output L*a*b* to configure the perceptual LUT in an ICC profile and result in the color balanced compression thereof.

Abstract: A gamut mapping method and system for implementing out-of-gamut spot color reproduction, including a memory for electronically storing information related to at least one color gamut and a gamut mapping editor including a processor communicating with the memory, the processor of the gamut mapping editor (i) causing a user to be apprised that a target spot color is outside the at least one color gamut and (ii) facilitating the user's employment of one or more of a plurality of gamut mapping methodologies to select a preferred color from a plurality of mapped colors when the target spot color is outside the at least one color gamut.

Abstract: A projector for masking out one or more objects between the projector and a screen. The projector includes an image capture sensor configured to produce a captured screen image. The projector further includes a processing device configured to receive a video-in signal, create a masking image that corresponds to at least a portion of the captured screen image, and produce a video-out signal, wherein the video-out signal comprises a combination of the video-in signal and the masking image. A panel controller in the projector receives the video-out signal and causes at least one or more pixels of at least one panel to be closed based upon the masking image such that any objects positioned between the projector and the screen are masked from any light projected by the projector.

Abstract: In accordance with one aspect of the present disclosure, apparatus are provided that include a color data conversion subsystem configured to convert color data in order to produce device-dependent output color separation data. The color data conversion subsystem has been configured by gamut mapping including providing a gamut in a hue-based color space and applying color distance adjustments to the hue-based color space. A hue dependent lightness preservation operation can also be part of the subsystem.

Abstract: This disclosure provides methods, apparatus and systems for generating and using color management profiles. Specifically, the color management profiles generated include K-only colorant recipes for image colors associated with a neutral axis.

Abstract: A projector for masking out one or more objects between the projector and a screen. The projector includes an image capture sensor configured to produce a captured screen image. The projector further includes a processing device configured to receive a video-in signal, create a masking image that corresponds to at least a portion of the captured screen image, and produce a video-out signal, wherein the video-out signal comprises a combination of the video-in signal and the masking image. A panel controller in the projector receives the video-out signal and causes at least one or more pixels of at least one panel to be closed based upon the masking image such that any objects positioned between the projector and the screen are masked from any light projected by the projector.

Abstract: A gamut mapping method and system for implementing out-of-gamut spot color reproduction, including a memory for electronically storing information related to at least one color gamut and a gamut mapping editor including a processor communicating with the memory, the processor of the gamut mapping editor (i) causing a user to be apprised that a target spot color is outside the at least one color gamut and (ii) facilitating the user's employment of one or more of a plurality of gamut mapping methodologies to select a preferred color from a plurality of mapped colors when the target spot color is outside the at least one color gamut.

Abstract: This disclosure provides methods, apparatus and systems for generating and using color management profiles. Specifically, the color management profiles generated include K-only colorant recipes for image colors associated with a neutral axis.

Abstract: A system for controlling the composition of color coupler on a real time basis, the system comprises a mixer for mixing the color coupler with a non-permanent solvent for forming a preliminary solution. A heat exchanger receives the preliminary solution for altering the temperature of the preliminary solution, and a separator receives the preliminary solution from the heat exchanger for separating the preliminary solution into a color coupler solution suitable for use in producing photographic paper and into a residual vapor. An in-line viscometer receives the color coupler solution from the separator for determining the viscosity of the color coupler solution, and a process control system alters the temperature of the heat exchanger in response to a signal received from the viscometer for optimizing the composition of the color coupler solution.