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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Terashita; Takaaki
Address:
Kanagawa, JP
No. of patents:
48
Patents:












Patent Number Title Of Patent Date Issued
6919924 Image processing method and image processing apparatus July 19, 2005
An image processing method for creating a reproduced image by executing image processing on digital image data obtained by a digital camera. This method determines first a density conversion condition for the digital image, determines next a gradation conversion condition for the image o
6160634 Digital printer and image data conversion method December 12, 2000
In a digital printer, a great number of images recorded on the same type recording medium as an original to be reproduced are roughly pre-scanned prior to main scanning of the original. The pre-scanning image data is sorted according to green density levels, and red and blue densities of
6081343 Digital printer and image data conversion method therefor June 27, 2000
First characteristic values of a reference film is stored in a first characteristic value memory, whereas second characteristic values of each type of recording media of the originals is stored in a second characteristic value memory, to produce a gradation balance conversion table f
6038011 Photographic printing method March 14, 2000
During the photographing of an image, photographic data corresponding to the image, such as a photographing date, subject brightness and distance, a shutter speed, an aperture size, data about illumination light, as well as photographic intention data, are recorded on a photographic film
5995194 Reproducing machine and a method of determining reproducing conditions November 30, 1999
By the present invention, on the basis of information read from a magnetic recording section of a negative film (Step 200), when it is judged that there are a plurality of negative images to be exposed by the same exposure amount (the judgment in Step 212 is affirmative), a film type is
5987222 Color copying apparatus November 16, 1999
A color copying apparatus for constantly obtaining a high-quality print irrespective of a change in film characteristics due to deterioration is disclosed. A reference image recorded on the film is photometrically measured to determine film characteristic data. After transformed values
5798511 Photographic printer and printing method August 25, 1998
A photographic printer effects a second printing operation for one original frame (60) on a developed photo film (10), after a first printing operation is effected. First correcting information is used in the first printing operation for correcting an exposure amount of the original
5790280 Digital image recording method and apparatus therefor and digital image processing apparatus August 4, 1998
A digital image recording method is to make high quality positive reproduction images from any types of originals by processing image data of each original based on an image characteristic value such as an average density of a prime subject portion of the original, which is derived from
5767983 Color copying apparatus for determining exposure amount from image data of an original image and June 16, 1998
A color copying apparatus for constantly obtaining a high-quality print irrespective of a change in film characteristics due to deterioration over time and the like is disclosed. A reference image recorded on the film is photometrically measured to determine film characteristic data. Aft
5719661 Image reproducing apparatus and method of determining reproduction conditions February 17, 1998
In an image reproducing apparatus, an image recorded on a negative film is subjected to optical measurement by an optical measuring device. The data obtained by the optical measurement is stored in a photometric data memory for each type of film which is judged by a DX code reader and a
5703672 Method of making a photographic print December 30, 1997
A method of making a high-quality print avoids carrying out photometry twice on images on a film. In a first transporting process for transporting the film in a first direction, photometry is carried out on all of the images on the film that are to be copied by dividing the images in
5671060 Method of estimating spectral distribution of film and method of determining exposure amount September 23, 1997
A plurality of principal-component spectral distributions are determined in advance by analyzing spectral distributions of a multiplicity of sample films; light transmitted through a film to be estimated is measured by spectrally diffracting the transmitted light into wavelengths of diff
5663782 Photographic printer and film scanner having an LED light source September 2, 1997
A photographic printer has an exposure station, in which a frame of a photographic film and color photographic paper are set. A light source is disposed in opposition to the color paper with reference to the photographic film set in the exposure station, and constituted by LED elemen
5619742 Photographic processing condition managing method, and method and apparatus for managing image f April 8, 1997
A photographic processing condition managing method applied to an image forming device equipped with a function for immersing a photosensitive material for photographing into a processing solution for photosensitive materials for photographing so as to process the photosensitive material
5561494 Method of and apparatus for determining exposure amount in copying apparatus October 1, 1996
An apparatus for determining exposure amount in a copying apparatus includes: a photometric measuring device for effecting photometry by dividing an image recorded on a recording material into a multiplicity of segments and by separating each segment into a multiplicity of colors con
5467168 Photograph printing method November 14, 1995
A photograph printing method for printing on a photographic printing paper a plural number of images which are photographed on a film, the method comprising steps of detecting photographing information of the film, determining frames of the film including the images having equal or s
5463470 Methods of collecting photometric image data and determining light exposure by extracting featur October 31, 1995
A method of determining light exposure is provided to read information in relation to a color original image and dividing the color original image into many picture elements to analyze the respective picture elements into three color light of red light, green light and blue light for pho
5404196 Method of making photographic prints April 4, 1995
A method of making photographic prints wherein photographic data relating to photographic conditions of an original frame is recorded on a photographic film at the time of photographing the original frame, so as to determine the print exposure amount for printing the original frame.
5369463 Apparatus for recording position information of principal image and method of detecting principa November 29, 1994
In recording an image on a recording medium such as photographic film, position information used for the detection of a principal image is recorded on the recording medium. The position information is read when a hard copy of the image is produced. A characteristic value is derived from
5353095 Photographic printing apparatus and exposure condition determining method October 4, 1994
An image frame to be printed is divided into a plurality of portions, and the portions are photometrically measured. Photometric data necessary to determine an exposure condition is selected. Weighting factors, which are to be applied respectively to selected photometric data, to data ob
5281995 Method of determining an exposure for use in an image forming apparatus January 25, 1994
Utilizing fuzzy theory, the exposure is determined based on an exposure operational formula defined for each of a plurality of previously classified patterns of a color original image. The color original image is divided into a multiplicity of portions for photometric purposes and, for
5278921 Method of determining exposure January 11, 1994
An exposure determination method for determining exposure by extracting feature image data including person's face data. A color original image is divided into many picture elements, each picture element is resolved into three colors of red, green, and blue to photometrically measure the
5233386 Photosensitive material for managing condition, method of managing condition and apparatus for p August 3, 1993
A photosensitive material for managing condition according to the present invention is provided with a data recording portion on which condition managing data is recorded. Therefore, it becomes possible to readily make the photosensitive material and this condition managing data correspo
5227837 Photograph printing method July 13, 1993
Object brightness color information is recorded on a recording medium such as a photographic film at the time of taking an object image. In making a photoprint, the brightness information or color information is read from the photographic film, and is used for the calculation of a print
5223892 Photographic printing method June 29, 1993
A photographic printing method in which a plurality of image frames photographed on a negative film by a camera, which photometrically measures different areas on an object by a plurality of photometric elements and which determines an exposure, is printed onto photographic paper. Pr
5218392 Apparatus for recording position information of principal image and photographic printing method June 8, 1993
The position of a principal image within a frame is designated manually or in association with the operation of the automatic focussing mechanism. The position information of the principal image is recorded on a photographic film when a subject is photographed. In obtaining a photopr
5168303 Photographic printing method December 1, 1992
A photographic printing method for printing a film image onto photographic paper by estimating the color temperature of a subject illuminant, and by changing, in correspondence with the color temperature estimated, a degree of correction of the image density in which an improper color ba
5162841 Exposure controlling apparatus November 10, 1992
An exposure controlling apparatus includes a sensor for effecting photometry by separating light from an original picture into a plurality of separated components; a storage device for storing a value concerning the spectral sensitivity of the sensor and a value concerning the spectral
5148213 Printing method for photographic printer September 15, 1992
A printing method using a photographic printer which effects at an identical or proximate position photometry conducted by dividing an image frame into a multiplicity of segments and exposure based on data obtained by photometry. The process of effecting both photometry, and selecting an
5128711 Apparatus for recording position information of principal image and method of detecting principa July 7, 1992
In recording an image on a recording medium such as photographic film, position information used for the detection of a principal image is recorded on the recording medium. The position information is read when a hard copy of the image is produced. A characteristic value is derived from
5101227 Method of and apparatus for printing a photograph March 31, 1992
Determined is a degree of correction in accordance with a length of at least one of two periods from film manufacturing to photographing or from photographing to film developing. A printing light quantity is corrected in accordance with this degree, and a film image is printed on pho
5083154 Copying apparatus, print evaluating method for copying apparatus, method for setting printing co January 21, 1992
A copying apparatus provided with a light-attenuating filter used for controlling copying conditions. The light-attenuating filter is formed of a nontransparent member in which a multiplicity of small holes or small-width slits are provided. In setting the printing conditions for the
5081485 Method for determining exposure amount in image copying apparatus January 14, 1992
A method for determining exposure amount by making use of the fact that values in which the photometric data on a lowest-density portion of a color film is subtracted from tricolor photometric data are approximately the same irrespective of the type of film. The lowest-density data is
5073008 Multicolor interference filters with side surfaces to prevent entry of undesirable light December 17, 1991
An interference filter includes a multi-coated interference filter layer of dielectric substances deposited on a transparent base plate and extinction members applied to side surfaces of the transparent base plate. A multi-color interference filter has at least two such interference filt
5023656 Photographic printing method June 11, 1991
A recording medium such as a photographic film is recorded with an image of a principal object and distance information of the principal object. The distance information is read during a printing operation for calculating a print exposure amount. In calculating the print exposure amount,
5017014 Photographic printing exposure determining apparatus and film type data processing apparatus for May 21, 1991
Codes (the so-called DX codes) recorded on a plurality of films are read to classify the films into a plurality of film types. Light is measured with respect to images on the films to obtain image densities, and, on the basis of the resultant photometric values, the image densities are
4974017 Method of determining exposure November 27, 1990
An exposure determining method. Light is measured with respect to a plurality of portions of film images into which images on films to be subjected to printing are divided, thereby obtaining photometric data. The printing exposure condition for a reference film type is corrected with
4942424 Method of and apparatus for printing color photograph as well as color filter for use in the sam July 17, 1990
A color photographic printing method of printing a film on the basis of the printing condition of a reference film type, comprises comparing the film characteristic of the reference film type with the film characteristic of the type of a film to be printed and correcting the printing con
4905039 Color image exposure apparatus February 27, 1990
A color image exposure apparatus with improved color reproducibility is disclosed. The improved color reproducibility has been achieved by using for exposure only those rays having a substantially uniform angle distribution relative to an optical axis. In order to perform exposure by
4860059 Method of setting color copying conditions August 22, 1989
A method of setting the copying conditions of a color copying machine includes the steps of scanning a test chart having density patterns in three primary colors, to detect three color components of the light reflected from the test chart, based on which three color exposures are obt
4830501 Method of classifying color originals and apparatus thereof May 16, 1989
A method and apparatus for classifying color originals into at least color photographs and other colored articles such as color printed articles, letters, handwriting, art graphics or the like by detecting the reflection densities of divisions into which the color original is spatially d
4827109 Photographic printing system May 2, 1989
A photographic printing system comprising a printer-processor; a plurality of non-contact IC cards in which various printing conditions, printer-processor operating conditions, and the like are stored; and an IC card read-write unit for reading and writing data on the above-mentioned
4816874 Exposure determining device for color image reproduction March 28, 1989
An exposure determining device detects densities of a number of picture elements of a color original and displays an image of the color original on a color monitor. A part of a principal subject image of the color original is specified on the color monitor. Based on the measured color
4797712 Color negative inspection apparatus January 10, 1989
A color negative inspection apparatus includes at least one color image display device which displays a plurality of color positive images of a single frame of a color negative film for inspection, one of the plurality of color positive images being displayed through simulation for a
4769695 Method of detecting principal subject images and determining exposures in color printing September 6, 1988
Three color densities of a color original are measured for a number of picture elements into which the color original is divided. A part of the color original that includes at least one picture element is selected, with whose color based on the measured densities thereof the color of eac
4710803 Color filter and color image sensor using the same December 1, 1987
A color filter has color areas of N (N is integer 3 or more) different colors, each color area having an L shape. A color image sensor has a matrix of photoelectric conversion cells on which a color filter with a color area arranged in an L shape is formed. Each of the photoelectric
4668082 Method of detecting principal subject image and determining exposures in color printing May 26, 1987
Color densities of a color original are measured for a number of picture elements into which the color original is divided. A part of the color original that includes at least one picture element is selected, with whose measured color densities the measured color densities of each pi
4416539 Method of locating abnormal originals November 22, 1983
A method for locating an abnormal original in a photographic print exposure control process is disclosed. In the method, a number of portions of the original are subjected to photometry, and an average of each of a number of characteristic values are determined from the measured values i










 
 
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