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Class 356/404 - Photography


Subclass of Class 356 - Optics: measuring and testing
Definition: Subject matter involving color photography such as: the
No. of patents: 112
Last issue date: 03/22/2011


1      
NumberTitleIssue Date
7911613Method and system for predicting print colors
A colorimeter of a profile generator calorimetrically measures a color chart after elapse of a sufficient period of time from printing of the color chart, thereby producing post-dry-down colorimetric values. The colorimeter also calorimetrically measures certain pat...
03/22/2011
7898663Uniform light generating system for testing an image-sensing device and method of using the same
A uniform light generating system for testing an image-sensing device includes a light-generating unit, a light-transmitting unit, a light-diffusing unit, and a lens unit. The light-generating unit has a substrate and a plurality of light-emitting elements electrica...
03/01/2011
7667844Line sensor and printing press
A line sensor includes a light source section for irradiating light of a plurality of colors to an inspecting object, and a light-receiving section for detecting reflected light from the inspecting object. The light source section has a plurality of light sources fo...
02/23/2010
7292949Method and apparatus for estimating surface moisture content of wood chips
Method and apparatus for estimating surface moisture content of wood chips employing a surface moisture measurement obtained from a non-contact surface moisture sensor, which measurement is calibrated with values of a set of optical parameters, such as HSL color cam...
11/06/2007
7263240Method, system, and software for improving signal quality using pyramidal decomposition
A method, system, and software are disclosed for improving the quality of a signal. A base signal is recursively decomposed for a desired number of pyramid levels. The decomposed signal from the lowest level is modified to generate a preprocessed signal. The preproc...
08/28/2007
7245398Image-processing device independently controlling each of functions that correct density of image
An image-processing device includes an image-reading unit that reads image data from a document optically, an image-recording unit that records the image data read onto recording paper, a first-density-correction unit that corrects first density characteristics that...
07/17/2007
7228004Method for sharpening a digital image
A method of sharpening a digital image having image pixels values includes the steps of: determining a Dmin value, representing a value corresponding to a minimum possible exposure for a system that produced the digital image; for each pixel value in the ...
06/05/2007
7199952Color wheel, and color wheel assembly incorporating same
There is provided a color wheel including a plurality of color filters arranged so as to form a disk, and a retainer member disposed at a center of the disk and formed into a C-ring defining an open mouth portion through which an area of one color filter is exposed....
04/03/2007
7184175System and method for color calibration
A method of detecting color miscalibration in a color output device. Accordingly, the method includes providing a calibration mask having a target color and a plurality of windows, and outputting a test array that includes a plurality of test samples arranged for vi...
02/27/2007
7046843Correction curve generating method, image processing method, image display unit, and storage medium
In an image processing method, an image display unit, and a storage medium, capable of effecting an appropriate color reproduction even under a change in color of external illumination, a desired image processing is applied to inputted image data and thereafter the ...
05/16/2006
7035437Image reading apparatus
The image reading apparatus for photoelectrically reading an original image includes an image reading device and a detection device. The image reading device has first reading unit for reading a visible image carried by the original image and a second reading unit f...
04/25/2006
7020344Match blur system and method
A method for blurring in signal processing, for example, in digital film processing, is performed with digital artifacts. The digital artifacts are derived, such as by scanning, and include a noisy artifact and a less noisy artifact. The artifacts are subdivided int...
03/28/2006
7016080Method and system for improving scanned image detail
Methods are provided for generating a dynamic image mask for improving image detail in a digital image. An electronic representation of an image is scanned. A dynamic image mask is generated from the electronic representation of the image. The dynamic image mask has...
03/21/2006
6965692Method and apparatus for improving the quality of reconstructed information
Image processing apparatus and methods according to the present invention are described in which data for each color channel are separately processed, on a pixel by pixel basis, such that the data associated with the primary color channel is filtered less than the c...
11/15/2005
6943920Method, system, and software for signal processing using pyramidal decomposition
A method, system, and software are disclosed for improving the quality of a signal. A base signal is recursively decomposed and modified for a desired number of pyramid levels. At each level, the decomposed signal from the previous level is modified to improve one o...
09/13/2005
6934057Image-processing device independently controlling each of functions that correct density of image
An image-processing device includes an image-reading unit that reads image data from a document optically, an image-recording unit that records the image data read onto recording paper, a first-density-correction unit that corrects first density characteristics that...
08/23/2005
6923979Method for depositing particles onto a substrate using an alternating electric field
Uniform portions of fine powders are deposited on a substrate by electrostatic attraction in which the charge of the electric field and polarity of the charged particles are varied repeatedly to form a buildup of powder on the carrier surface. ...
08/02/2005
6916125Method for film inspection and development
A method of preparing a roll of film for development. The method involves inspecting the film for defects and imperfections as the film is unwound from a magazine. A method of preparing a roll of film for development and developing the film is also disclosed. The de...
07/12/2005
6913404Film processing solution cartridge and method for developing and digitizing film
A digital film processing system and film processing solution cartridge are disclosed. The cartridge comprises a housing and a chamber for storing a film processing fluid. The processing solution may be contained within a flexible bladder within the chamber. The car...
07/05/2005
6915021Method and system for selective enhancement of image data
A method and apparatus for selectively applying image enhancement processing to parts of an image. In one embodiment, spatial processing transformations, such as sharpening for example, are reduced or bypassed for pixels having color code values within a range known...
07/05/2005
6910816Digital film processing method
A method of developing a latent image on a photographic element (such as imagewise exposed photographic film) by absorbing a dye precursor into the film, applying a developer solution to the film to develop the latent image and form a dye in the film, scanning the f...
06/28/2005
6906833Constant speed image reading device and method
An image reading device in which a processing time required for prescanning and fine-scanning of a film can be shortened. A reading system for prescanning which performs prescanning and a reading system for fine-scanning which performs fine-scanning are adjacently j...
06/14/2005
6900886Photometric apparatus
A photometric apparatus includes an exposure value calculator for calculating an exposure value based on light data from a photo sensor and an inputted photosensitivity; an exposure value difference calculator for calculating a difference between a calculated exposu...
05/31/2005
6810209Method to establish sensitometry curve for a photographic medium
The invention relates to a method to establish a sensitometry curve for a photographic medium, including the following steps: the formation on the medium of at least one sensitometry control by exposing many ranges of the medium with various exposure energies; the c...
10/26/2004
6793489Automated tooth shade analysis and matching system
A method of making a patient's dental prosthesis (e.g., a prosthesis tooth, crown, veneer, or bridge) by acquiring an image of the patient's teeth that contain black and white normalization references. These references are black and white porcelain, for example, tha...
09/21/2004
6792137Method and device for skin cancer screening
A method for providing a preliminary diagnosis of skin cancer, more specifically a screening risk assessment of pigmented lesions receiving digital photographs of skin abnormalities from a plurality of consumers at a server, receiving medical information related to ...
09/14/2004
6717672Color measurement method
A color measurement method performs a color measurement in which an influence of a fluorescent brightening age included in a printed form is corrected. With respect to the influence of the fluorescent brightening age, a measurement is performed only on a white porti...
04/06/2004
6567170Simultaneous plural colors analysis spectrophotometer
A low cost yet higher speed color spectrophotometer, especially suitable for on-line color printer color control systems, wherein multiple test patches of different colors may be simultaneously illuminated and substantially simultaneously discretely color...
05/20/2003
6563531Image processing method
The image processing method of the invention for subjecting image data which is obtained by reading an image on a film photoelectrically to specified image processing, which comprises the step of: acquiring film characteristic of said film; and correcting...
05/13/2003
6517055Printing device and photograph processing apparatus equipped with such a device
In a printing device which prints a color image on a photosensitive material by allowing an exposing head to modulate light from a light source for each pixel in accordance with image information, the exposing head is constituted by superposing three LCS'...
02/11/2003
6462772Method of calibrating image scanning apparatus of a photographic film scanner
In a photographic film digital image scanner, long term adverse effects on image scanning system response are compensated for by establishing an initial gain calibration profile in advance of commencing image scanning operation. A reference Dmin value is ...
10/08/2002
6128090Visual control strip for imageable media
A visual control strip for imageable media such as a printing plate, a photographic film or a printable substrate is described wherein the visual control strip is to be applied to the imageable medium. The control strip includes a plurality of first contr...
10/03/2000
6007332Tooth color matching system
A method and system for determining the color characteristic of a tooth, particularly in a mouth in which restorative dentistry is contemplated, employs the photographic imaging of the tooth of the patient, and the photographing of visually selected color...
12/28/1999
5799216Scene intensity measuring and illumination source detection apparatus
Scene intensity measuring and illumination source detection apparatus for determining scene illuminant and appropriate exposure settings for an image capture device is disclosed. The apparatus includes a diffractive optical element including an off-axis s...
08/25/1998
5686983Photoprinting method with means to determing the original light source including the presence or absence of flashes of light
An object of the present invention is to estimate subject illuminating light using the minimum number of on-photography information. When no flashes of light exist, color differences R-G and G-B are calculated based on image information detected by an ima...
11/11/1997
5686210Identification of image-forming material type
Described herein is a method and apparatus for identifying image-forming material type, particularly photographic material types. The method comprises illuminating a sample of the material at a plurality of wavelengths and measuring the density at each of...
11/11/1997
5565990Color temperature meter for use in photographing
A photographic color temperature meter capable of measuring light including stationary light and flash light. The meter controls timing of light measurements so that light measurement is performed during the time when stationary light and flash light are ...
10/15/1996
5555085System and method for scene light source analysis
System and method for rapid measurement of an exposure light source and calculation of filter selection for proper color balanced exposure of a light sensitive medium includes measurement of the light source with a spectroradiometer and calculation of col...
09/10/1996
5475493Gray balance correcting method
A gray balance correcting method in which the deterioration of color balance correcting capacity can be avoided for an image photographed under different kinds of light sources, such that the influence of failure can be eliminated. An image recorded on a ...
12/12/1995
5328787Method for assessing and controlling the sensitometric characteristics of photographic products
Sensitometric Quality Indicator Parameters (SQIP), including Color Radial Error (1), Average Density Error (2), Contrast Mismatch Error (3), HUE (4), and related Auxiliary Quality Parameters, are derived primarily from the deviations in aim values of the ...
07/12/1994
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