91results about How to "Accurate color reproduction" patented technology

Light beams having different wavelengths emitted from red and blue semiconductor lasers and a laser diode pumped green solid-state laser are incident on respectively different surfaces of a color combining element and are overlaid on a single light path. Multiple beam interference films of the color combining element allow only the light beams having the oscillating wavelengths corresponding to the respective light sources to pass therethrough or reflect thereon so as to combine the light beams. A collimator collimates the light beams so that the beam waist of the light beams lies around a projection plane. When two-dimensional scanning is performed by radiating the light beams onto a micromechanical mirror and then onto a galvanometer mirror for scanning light in the horizontal and vertical directions, respectively, a color image is displayed on the projection plane by arranging pixels in array, each pixel consisting of overlapping pulses of light of three colors.

It is difficult to adjust a black plate while maintaining accurate color reproduction in a color printer that forms an image using C, M, Y, and K color agents.Upon generating a conversion condition used to convert a signal on a uniform color space into a CMYK signal which depends on a printer, the signal on the uniform color space according to a colorimetric value is temporarily converted into an RGB signal, and the RGB signal is then converted into a CMYK signal. After that, a black amount adjustment unit (2104) adjusts a K value using a black amount adjustment function based on a user's instruction.

An LUT1 preparation section 1 and an LUT2 preparation section 2 prepare an LUT1 and an LUT2 for producing linear output from first raw data or second raw data. Using the LUT1 and LUT2, an LUT1 conversion section 3 and an LUT2 inverse conversion section 4 convert CMYK of the first raw data and C′M′Y′K′ of the second raw data into four color values adjusted, and an L matching LUT preparation section 5 prepares an L matching LUT so that the K value of the four color values adjusted becomes equal. A K preservation 4DLUT preparation section 6 prepares a K preservation 4DLUT from the four color values adjusted, the L matching LUT, and the Lab value of the first and second raw data. A 4DLUT reset section 7 resets some of data in the prepared K preservation 4DLUT, whereby partial calorimetric match is intended.

A scanner for digitizing a document includes a digitizer for digitizing the document into a first color space; a circuit for converting the digitized data into a second color space having a luminance channel and two chrominance channels; a multiplexer having text, approximate actual color of a uniform area and a predetermined color as input for selecting either the text, approximate actual color or the predetermined color as outputs; and multiplexer control input which determines which of the outputs will be selected as actual output based on a uniform area of the document.

An image which has been color-converted in correspondence with the output characteristics of a printing press as a target for the purpose of proof may often be printed by a copying machine or printer. Prior to the proof, a generation history of a generated profile of an output device is preferably managed. The operator sets whether or not to save parameters (saving location and profile name) associated with saving of a file and colorimetric values, whether or not to save history management information, and the like.

A display device includes a luminance modulator and a color modulator which are formed of separate modulators. Herein, when, in order to reproduce an input signal, a luminance control signal of the luminance modulator and a color control signal of the color modulator are determined by the input signal, a three-dimensional look up table which is created on the basis of a measurement result relating to the color control signal corresponding to the predetermined luminance value is used, whereby the color control signal of the color modulator is determined by the input signal.

The invention discloses a digital high-fidelity image collecting and processing method of stone cave temple wall paintings. The method is characterized in that through photography collection, image treatment and image storage, by utilizing a cavalier perspective and parallel translation principle and adopting an autonomously designed photography collecting system and a unique cross-shaped skeleton image splicing processing method, the data is stored safely, normalized stone cave cultural relic wall painting digitalization is carried out, thousands and even more original images photographed for the same wall surface can be spliced and fused into a traceless and perfect high-fidelity full-scale integral imaging picture, and the purposes that the precious cultural heritage can be stored permanently and used sustainably for human beings are achieved.

An illumination system, comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an europium(II) - activated oxonitridoaluminosilicate of general formula EA2-zSi5-aAlaN8-bOb:Euz wherein 0< a < 4, 0< b < 4 and 0 < z < 0.2; EA is at least one earth alkaline metal chosen from the group of calcium, barium and strontium provides a system with a converter that is effective for conversion of high energy radiation, such as radiation in the UV to blue range of the electromagnetic spectrum. . It is also effective, as it is a good transmitter of the light energy, that results from the conversion of the high energy radiation input. Otherwise the light would be absorbed in the material and the overall conversion efficiency suffers. The invention is also concerned with a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an europium(II) -activated oxonitridoaluminosilicate of general formula EA2-zSi5-aAlaN8-bOb:Euz wherein 0< a < 4, 0< b < 4 and 0 < z < 0.2; EA is at least one earth alkaline metal chosen from the group of calcium, barium and strontium.

An illumination system, comprising a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an europium(III)- activated rare earth metal sesquioxide of general formula (YY-x-XEx)2-z(EU1-a-3Aa)z, wherein RE is selected from the group of gadolinium, scandium, and lutetium, A is selected from the group of bismuth, antimony, dysprosium, samarium, thulium, and erbium, 0 = x 1-x -REx)2-zO3:( Eu1-aAa)Z, wherein RE is selected from the group of gadolinium, scandium, and lutetium, A is selected from the group of dysprosium, samarium, thulium, and erbium, 0 = x <1, 0,001 = z = ; and 0 = a <1.

An illumination system, comprises a radiation source and a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an alkaline earth metal sulfide of general formula AE1-zS1-ySey:Az , wherein AE is as least one earth alkaline metal selected from the group of Mg, Ca, Sr and Ba, 0 = y <1 and 0.0005 = z = 0.2, activated by an activator A selected from the group of Eu(II), Ce(III), Mn(II) and Pr(III). is highly efficient, especially if a blue light emitting diode is used as a radiation source, and provides excellent thermal and spectroscopic properties. The invention is also concerned with a monolithic ceramic luminescence converter comprising at least one phosphor capable of absorbing a part of light emitted by the radiation source and emitting light of wavelength different from that of the absorbed light; wherein said at least one phosphor is an alkaline earth metal sulfide of general formula AE1-zS1-ySey:Az, wherein AE is as least one earth alkaline metal selected from the group of Mg, Ca, Sr and Ba, 0 <= y <1 and 0.0005 <= z <= 0.2, activated by an activator A selected from the group of Eu(II), Ce(III), Mn(II) and Pr(III).

The invention discloses a kind of ink jet coating and its materials for coating. The ink jet coating is composed of the following components by weight share: 8~2wt% of fixing agent, 2~10.8wt% of absorbent, 0.5~10wt% of adhesives, 0.2~2.5wt% of surfactant, 1.2~7.4wt% of UV-resistant, and a rest amount of deionized water. The invention solves the problems of proliferation, poor contrast and poor color saturation.

In a color reproduction device, an input profile that is referenced in converting an input image from an image input device into a device-independent color image is created based on image input device information, shooting- and observation-time lighting data, and subject data, allowing accurate conversion of the input image to the device-independent color image. In reproducing the image by an image output device, the spectral reflectance of the subject itself is calculated from image input device information and shooting-time lighting data, thereby reducing the effect of the shooting-time lighting. The colors of the subject under observation lighting are calculated from observation-time lighting data. A color reproduced image is estimated accurately on the basis of the subject data even if the input image has little information.

An imaging apparatus includes: an imaging section configured to approximate one of color matching functions representing sensitivity of the human eye to color by a spectral sensitivity that is obtained as a difference in output between, from among mutually adjacent photoelectric conversion elements, the photoelectric conversion elements arranged at predetermined positions, the imaging section having the photoelectric conversion elements arranged at the predetermined positions; and a signal processing section configured to apply to an output of the imaging section signal processing for converting an output of a photoelectric conversion element into a signal of a color image.

A display apparatus includes a color image projection unit and a screen. The color image projection unit includes a converter which receives image signals of three primary colors, and converts the received image signals of three primary colors into image signals of four or more primary colors, and a color image projector which includes a plurality of image projection devices having respective primary colors, and which receives the image signals of four or more primary colors, and projects the received image signals of four or more primary colors onto the screen. The color image projector is capable of physically adjusting positions of the image signals of four or more primary colors, which are projected onto the screen such that the positions of the image signals are coincident with each other.

The present invention relates to a system and method for electronically communicating, coordinating and disseminating product designs, specifications and production-related data between a plurality of parties. More particularly, the invention relates to the coordination of parties that create color and graphic designs, including manufacturers, designers, suppliers and printers for new or existing color products.

A photoelectric integration three-dimensional colposcope is suitable for auxiliary diagnosis and image management of vulva, vagina and cervical diseases in the gynecology. An LED cold light source diaphragm, a stereoscopic microscope and a digital camera constitute a stereo-micrography optical system together, an objective lens of the stereoscopic microscope is aligned to a focus of a patient under irradiation of the LED cold light source diaphragm, changes of epitheliums and blood vessels, which cannot be seen by naked eyes, can be observed three-dimensionally through the objective lens, the digital camera is used for converting optical signals under the lens of the stereoscopic microscope into digital signals through a high-resolution color CCD picture pick-up system, pictures are displayed on a display through communication with a host, and the pictures are synchronously displayed on the stereoscopic microscope and the display in real time. The photoelectric integration three-dimensional colposcope has the advantages that the perfect stereo-micrography optical system is provided, stereoimaging is achieved, color resolution is high, true color fidelity is high, stereoscopic impression is strong, and the depth of field is ultra large; moreover, a colposcope image processing system with strong functions is provided.

A system which enables electronic communication, coordination and dissemination of color-related designs, specifications and products. Color production and maintenance in a simultaneous fashion is provided between a plurality of disparate parties in substantially “real time.” The present integrated color-production is capable of importing electronic output from many diverse instruments, including color production-related hardware and software, and further uses the output to automatically deliver product data to and from a plurality of geographically disbursed parties. The present invention also provides an electronic library comprising colors and textures to be used for accurately matching a color sample and / or specification. The integrated, on-line color-related production system of the present invention enables parties to operate at peak efficiency, producing high sales and customer satisfaction.

The invention discloses an advertising machine with the two-dimension code classification scanning function. The advertising machine comprises a machine base, a machine shell, a first displayer, a two-dimension code classification scanning device and a control main board. The machine shell is vertically arranged on the machine base. The first displayer is arranged at the upper portion of the machine shell in a longitudinal-playing mode. The two-dimension code classification scanning device comprises a second displayer and a plurality of touch sliding buttons, the second displayer is arranged at the lower portion of the machine shell in a transverse-playing mode, and the touch sliding buttons are arranged below the second displayer in parallel. The control main board is arranged inside the machine shell and comprises a processor, a power module, a display driving module and a touch panel driving module. The display driving module is connected with the first displayer, the second displayer and the processor. By means of the advertising machine, maximization of two-dimension code displaying is achieved, a user can selectively pay attention to information according to classification displaying of two-dimension codes, and displaying efficiency and advertising efficiency are improved.