WO2005027532A1 - 画像処理装置および画像処理方法 - Google Patents
画像処理装置および画像処理方法 Download PDFInfo
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- WO2005027532A1 WO2005027532A1 PCT/JP2004/013269 JP2004013269W WO2005027532A1 WO 2005027532 A1 WO2005027532 A1 WO 2005027532A1 JP 2004013269 W JP2004013269 W JP 2004013269W WO 2005027532 A1 WO2005027532 A1 WO 2005027532A1
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- decoration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6027—Correction or control of colour gradation or colour contrast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
- H04N1/00185—Image output
- H04N1/00188—Printing, e.g. prints or reprints
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00132—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture in a digital photofinishing system, i.e. a system where digital photographic images undergo typical photofinishing processing, e.g. printing ordering
- H04N1/00185—Image output
- H04N1/00196—Creation of a photo-montage, e.g. photoalbum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/46—Colour picture communication systems
- H04N1/56—Processing of colour picture signals
- H04N1/60—Colour correction or control
- H04N1/6077—Colour balance, e.g. colour cast correction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
- H04N23/88—Camera processing pipelines; Components thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
Definitions
- the present invention relates to a technique for executing image processing on image data in which an arrangement position and an arrangement dimension with respect to decorative image data for decorating image data are specified by layout control information.
- the layout image data to be pasted to the decoration image data for example, the captured image data
- the layout image is pasted, and the layout image is surrounded by the decoration image.
- the technology to output images on paper media has been put to practical use.
- layout control information including a script describing a layout position and a layout size of the layout image data with respect to the decoration image data is used.
- the layout control information is associated with the individual decoration image data, and the user simply selects the decoration image data and the layout image data to be pasted, and the predetermined size at a predetermined position in the decoration image data. Then, the resized arrangement image data is pasted, and the arrangement image surrounded by the decoration image can be obtained as an output image.
- the image quality adjustment processing in consideration of the image quality characteristics of the decoration image data for example, brightness, brightness, and color tone, is not performed on the arrangement image data arranged in the decoration image data.
- the color contrast between the decoration image data and the arrangement image data was sometimes inappropriate. Disclosure of the invention
- the present invention has been made to satisfy the above-mentioned requirements, and has been made so that the color contrast of the arrangement image data with respect to the decoration image data is appropriate.
- the purpose is to adjust the balance.
- An image processing apparatus that performs image processing on arrangement image data arranged in decoration image data.
- An image processing apparatus includes: a decoration image data acquisition unit that acquires a self-decoration image data; and the arrangement image to be arranged at the arrangement position of the decoration image data.
- Layout image data obtaining means for obtaining the layout image data; and layout control information associated with the decoration image data and obtaining layout control information for defining a layout position and a layout dimension of the layout image data.
- Acquisition means decoration image color distribution characteristic acquisition means for acquiring the color distribution characteristic of the acquired decoration image data; and image quality for adjusting the color balance of the arrangement image data based on the acquired color distribution characteristic.
- Using the layout control information to output image data from the arranged image data with the color balance adjusted and the decoration image data.
- an outputting image data generating means for forming.
- the color balance of the arrangement image data can be adjusted based on the color distribution characteristics of the acquired decoration image data, so that the arrangement with respect to the decoration image data can be adjusted.
- the color balance of the arranged image data can be adjusted so that the color contrast of the solid image data is appropriate.
- the adjustment of the color balance of the arrangement image data may be performed so that a color contrast between the decoration image data and the arrangement image data is increased.
- the adjustment of the color balance for the arrangement image data may be executed so that the color contrast between the decoration image data and the arrangement image data is reduced.
- the former case it is possible to generate output image data in which the captured image is not buried in the decoration image. A captured image having a large color contrast with the decorative image can be obtained.
- the image processing device further comprises: an analysis correction amount determining unit that analyzes the arrangement image data arranged in the decoration image data to determine an analysis correction amount related to color balance; A color balance correction correction amount determining unit that corrects the determined analysis correction amount to determine a color balance correction correction amount based on the acquired color distribution characteristics, and adjusts a color balance with respect to the layout image data. May be executed by applying the determined color balance correction correction amount.
- the color balance of the layout image data can be optimized by adjusting the color balance of the layout image data based on the analysis correction amount based on the analysis result of the layout image data. It is possible to obtain a color balance correction correction amount obtained by correcting the analysis correction amount based on the color distribution characteristics. Therefore, it is possible to adjust the force balance of the arrangement image data so as to realize both the optimization of the color balance of the arrangement image data and the optimization of the color contrast of the arrangement image data with respect to the decoration image data.
- the determination of the color balance correction correction amount is performed by the analysis correction amount such that a color contrast between the decoration image data and the arrangement image data is increased.
- the determination of the color balance correction correction amount may be performed by correcting the analysis correction amount such that the color contrast between the decorative image data and the arrangement image data is reduced. It may be performed. In the former case, it is possible to generate an output image data in which the captured image is not buried in the decoration image; it is possible to obtain a captured image having a large color contrast with the decoration image.
- the captured image and the decoration image Can generate force image data in which color images are harmonized (having similar color tendency), so that a captured image having a small color contrast with a decorative image can be obtained.
- the color distribution characteristics of the decoration image data may be obtained by analyzing the decoration image data. In such a case, it is possible to adjust the image quality of the arrangement image data so as to have an appropriate color contrast with respect to arbitrary decoration image data.
- the layout control information includes a color distribution characteristic of the decoration image data, and a color distribution characteristic of the decoration image data is the layout. It may be obtained from control information. In such a case, it is possible to easily and quickly adjust the image quality of the arranged image data so as to have an appropriate color contrast.
- a second aspect of the present invention provides an image processing method for arrangement image data in which decoration image data is arranged.
- An image processing method includes acquiring the decoration image data, acquiring the arrangement image data to be arranged at the arrangement position of the decoration image data, and associating the decoration image data with the decoration image data.
- acquiring the layout control information that defines the arrangement position and the arrangement dimension of the arrangement image data, acquiring the color distribution characteristics of the acquired decoration image data, based on the acquired color distribution characteristics, Adjusting the color balance of the layout image data, and using the layout control information to generate output image data from the layout image data and the decoration image data with the color balance adjusted.
- a third aspect of the present invention provides an image processing device that executes image processing on arrangement image data arranged in decoration image data.
- An image processing apparatus includes a decoration image data overnight acquisition unit that acquires the decoration image data, and acquires the arrangement image data to be arranged at the arrangement position of the decoration image data.
- Layout image data obtaining means layout control information obtaining means for obtaining layout control information associated with the decorative image data and defining layout positions and layout dimensions of the layout image data; and A decorative image luminance characteristic obtaining unit that obtains the luminance characteristic of the obtained decorative image data; an image quality adjustment processing unit that adjusts the brightness of the arrangement image data based on the obtained luminance characteristic;
- an output image data generation method for generating output image data from the arrangement image data whose brightness has been adjusted and the decoration image data. And a step.
- the brightness of the arrangement image data can be adjusted based on the luminance characteristics of the acquired decoration image data, so that the arrangement image data for the decoration image data can be adjusted.
- the brightness of the arrangement image data can be adjusted so that the brightness contrast of the image becomes appropriate.
- the adjustment of the brightness of the layout image data may be performed so that the brightness contrast between the decoration image data and the layout image data increases.
- the adjustment of the brightness of the arrangement image data may be performed so that the brightness contrast between the decoration image data and the previous image arrangement image data is reduced.
- the former case it is possible to generate output image data in which the captured image is not buried in the decoration image, and thus it is possible to obtain a captured image having a large brightness contrast with respect to the decoration image.
- the image processing device further comprises: an analysis correction amount determining unit that analyzes the arrangement image data arranged in the decoration image data to determine an analysis correction amount related to brightness; Brightness correction correction amount determining means for correcting the determined analysis correction amount based on the determined brightness characteristic to determine a brightness correction correction amount, wherein the brightness adjustment for the arrangement image data is performed by the determined brightness correction. It may be executed by applying a correction amount.
- the brightness of the arrangement image data can be optimized by the amount of analysis correction based on the analysis result of the arrangement image data, and the luminance of the decoration image data can be optimized.
- a brightness correction correction amount obtained by correcting the analysis correction amount can be obtained.
- the brightness of the arrangement image data can be adjusted so as to realize both the appropriateness of the brightness of the arrangement image data and the appropriateness of the brightness contrast of the arrangement image data with respect to the decoration image data.
- the determination of the lightness correction correction amount is performed by correcting the analysis correction amount so that the lightness contrast between the decoration image data and the arrangement image data increases.
- the determination of the brightness correction correction amount may be performed by correcting the analysis correction amount so that the brightness contrast of the decoration image data and the arrangement image data is reduced.
- the former case it is possible to generate output image data in which the captured image is not buried in the decoration image, and thus it is possible to obtain a captured image having a large brightness contrast with the decoration image.
- the luminance characteristic of the decoration image data may be obtained by analyzing the decoration image data. In such a case, it is necessary to have appropriate brightness contrast for any decorative image data. The image quality of the arrangement image data can be adjusted.
- An image processing apparatus wherein the layout control information describes a luminance characteristic of the decorative image data, and a luminance characteristic of the decorative image data is the layout control. It may be obtained from information. In such a case, it is possible to easily and quickly adjust the image quality of the arrangement image data so as to have an appropriate brightness contrast.
- a fourth aspect of the present invention provides an image processing method for arrangement image data to be arranged.
- An image processing method includes: acquiring the decoration image data; acquiring the arrangement image data to be arranged at the arrangement position of the decoration image data; And obtains the layout control information that defines the arrangement position and the arrangement dimension of the arrangement image data, acquires the luminance characteristic of the acquired decoration image data, and, based on the acquired luminance characteristic, The brightness of the data is adjusted, and output image data is generated from the arrangement image data whose brightness has been adjusted and the decoration image data using the layout control information.
- the image processing method according to the fourth aspect of the present invention it is possible to obtain the same operation and effect as the image processing apparatus according to the third aspect of the present invention, and to achieve the same effects as the fourth aspect of the present invention.
- the image processing method can be implemented in various aspects in the same manner as the image processing device according to the third aspect of the present invention.
- image processing methods according to the second and fourth aspects of the present invention can also be realized as an image processing program and a computer-readable recording medium in which the image processing program is recorded.
- FIG. 1 shows a schematic configuration of an image processing system including the image processing apparatus according to the first embodiment.
- FIG. 1 shows a schematic configuration of an image processing system including the image processing apparatus according to the first embodiment.
- FIG. 2 is a functional block diagram of the personal computer 20 (CPU 200) according to the first embodiment.
- FIG. 3 is a flowchart showing a processing routine of image processing executed in the personal computer 20 according to the first embodiment.
- FIG. 4 is an explanatory view schematically showing what the image of the decoration image is.
- FIG. 5 is an explanatory diagram schematically showing the file structure of the decorative image file FF including the decorative image data FD and the layout control information LI.
- FIG. 6 is an explanatory diagram schematically showing a file structure of a captured image file including captured image data GD and image processing control information GI.
- FIG. 7 is an explanatory diagram showing an example of a color distribution characteristic obtained as a result of analyzing the decorative image data FD.
- FIG. 8 is an explanatory diagram showing an example of a map for obtaining the correction amount k from the distribution characteristic value I of the decoration image data FD.
- FIG. 9 is an explanatory diagram showing a method of correcting the color balance analysis correction amount Gc performed in the first embodiment.
- FIG. 10 is a flowchart showing a processing routine of image processing executed in the personal computer 20 according to the second embodiment.
- FIG. 11 is an explanatory diagram schematically showing a file structure of the decorative image file FF including the decorative image data FD and the layout control information LI.
- FIG. 12 is an explanatory diagram showing an example of luminance characteristics obtained as a result of decomposing the decorative image data FD.
- FIG. 13 is an explanatory diagram showing an example of a luminance characteristic obtained as a result of analyzing the captured image data GD.
- FIG. 14 is an explanatory diagram showing the relationship between the input value and the output value for the brightness correction correction amount.
- the BEST MODE FOR CARRYING OUT THE INVENTION The BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is an explanatory diagram illustrating a schematic configuration of an image processing system including an image processing device according to the first embodiment.
- the image processing system includes a digital still camera 10 as an input device that generates image data, and an image processing device that executes image processing based on image data generated by the digital still camera 10 and outputs output image data.
- a color printer 30 as an output device for outputting an image using output image data.
- the color printer 30 may have an image processing function of the personal computer 20, and in such a case, the image processing and the image output can be executed by a stand-alone.
- a monitor 25 such as a CRT display and an LCD display, a projector, and the like can be used. In the following description, it is assumed that a color printer 30 used by being connected to the personal computer 20 is used as an output device.
- the personal computer 20 is a generally used type of computer, and is a central processing unit that performs color balance adjustment of image data, brightness contrast adjustment, and image processing calculation using the ray control information L.
- CPU central processing unit
- RAM random access memory
- HDD hard disk
- ROM read-only memory
- the personal computer 20 also includes a memory card slot 203 for mounting a memory card MC, and an input / output terminal 204 for connecting a connection cable from the digital still camera 10 or the like.
- the digital still camera 10 is a camera that obtains an image by forming light information on a digital device (a photoelectric conversion element such as a CCD or a photomultiplier), and a CCD for converting light information into electric information. And the like, an image acquisition circuit for controlling the photoelectric conversion circuit to acquire an image, an image processing circuit for processing the acquired digital image, and the like.
- the digital still camera 10 stores the acquired image in a memory card MC as a storage device as a digital image.
- the JPEG data format is generally used as the lossy compression storage method and the TIFF data format is generally used as the lossless compression storage method for storing captured images in the digital still camera 10.
- a storage format such as a RAW data format, a GIF data format, or a BMP data format can be used.
- the digital still camera 10 When the digital still camera 10 generates the captured image data, the digital still camera 10 stores shooting information describing shooting conditions set at the time of shooting, and image processing control stored in advance in the memory (for example, ROM) of the digital still camera 10.
- the information GI can be written in the header of the captured image data.
- the digital still camera 10 stores the generated captured image data in a memory card MC or the like.
- the digital still camera 10 also defines the decoration image data FD for decorating the image data obtained by imaging and the arrangement position and dimensions of the image data GD with respect to the decoration image data FD, and associates them with the decoration image data.
- the stored rate control information LI may be stored in the memory, and written to the memory card MC together with the image data generated by shooting.
- Decorative image data FD is, for example, frame image data, multiple This is the data of the image of the album mount on which the layout image data is to be pasted, and may be either bitmap data or vector data.
- the layout control information LI is described by a script, and defines the arrangement position and the arrangement dimension of the arrangement image data GD with respect to the decoration image data FD.
- the captured image data will be described as an example of the arrangement image data, but the arrangement image data may be image data arranged in the decoration image data FD, and is generated by computer graphics.
- the present invention is not limited to the image data captured including the image data captured.
- the layout control information LI may also specify representative color information and luminance characteristics of the decorative image data FD.
- the image processing control information GI can be used to store arbitrary image data such as digital still camera 10.
- Digital still camera 10 and an output device are information that is experimentally obtained in advance so that a desired output result can be obtained when image data generated by the evening generation device is output from a predetermined output device. For example, a value obtained in advance for each parameter defining the image quality adjustment condition in accordance with the combination with the printer 30) is described.
- the image data generated by the digital still camera 10 is sent to the color printer 30 via, for example, a cable CV, a computer 20 or a cable CV.
- the memory card MC storing the image data from the digital still camera 10 is transferred to the printer 30 via the computer 20 inserted in the memory card slot or the memory card MC.
- the image file is sent to the S color printer 30 by connecting directly. In the following description, a case will be described where image processing on image data is executed by the personal computer 20 and the processed image data is output to the color printer 30.
- the color printer 30 is a printer capable of outputting color images.
- four color printers of cyan (C), magenta (M), yellow (Y), and black (K) are provided.
- This is an inkjet printer that forms an image by ejecting ink onto a print medium to form a dot pattern.
- it is an electrophotographic printing apparatus that forms an image by transferring and fixing color toner on a print medium.
- light cyan (light cyan, LC), light magenta (light magenta, LM), and dark quiero (dark yellow, DY) may be used for the color ink.
- FIG. 2 is a functional block diagram of the personal computer 20 (CPU 200) according to the first embodiment and the second embodiment.
- the personal computer 20 acquires one or a plurality of pieces of captured image data GD to be attached to the decoration image data FD from the plurality of pieces of captured image data GD input in the captured image data acquisition unit, and analyzes the captured image data GD.
- the captured image data GD acquired by the section is analyzed.
- the CPU 200 obtains the desired decoration image data FD in the decoration image data obtaining unit, obtains the layout control information LI from the decoration image data FD obtained by the layout control information obtaining unit, and sends the obtained decorative control data LI to the decoration image data analysis unit.
- the decorative solid image data FD obtained in this way is analyzed to obtain luminance characteristics (average luminance Yfm) or color distribution characteristics (representative color Fc).
- the CPU 200 determines the analysis correction amount from the analysis result of the captured image data GD in the analysis correction amount determination unit, and corrects the analysis correction amount determined by the correction correction amount determination unit based on the acquired color distribution characteristics to achieve color balance. Determine the correction correction amount.
- the U 200 adjusts the color balance of the captured image data GD by applying the color balance correction correction amount determined by the image quality adjustment unit to the captured image data GD, and outputs the color balance by the output image generation unit.
- the adjusted captured image data GD is pasted to the decorative image data FD in accordance with the layout control information LI to generate image data for output.
- the CPU 200 [, May be received from a keyboard, an operation panel of a color printer, or the like, and the image quality of the captured image data GD to which the color balance correction correction amount has been applied may be corrected based on the received input.
- the CPU 200 determines the analysis correction amount from the analysis result of the captured image data GD in the analysis correction amount determination unit, and uses the analysis correction amount determined by the correction correction amount determination unit to obtain the acquired luminance characteristic. Therefore, the correction is performed to determine the brightness correction correction amount.
- the CPU 200 adjusts the brightness of the captured image data GD by applying the brightness correction correction amount determined by the image quality adjustment unit to the captured image data GD, and the brightness is adjusted by the output image data generation unit.
- the captured image data GD is attached to the decorative image data FD according to the layout control information LI to generate image data for output. Also, C P U
- the user image quality adjustment unit 200 receives the user's input from the keyboard, the operation panel of the color printer, etc., and, based on the received input, adjusts the brightness of the captured image data GD. May be modified.
- FIG. 3 is a flowchart showing a processing routine of image processing executed in the personal computer 20 according to the first embodiment.
- FIG. 4 is an explanatory diagram schematically illustrating an example of an image of a decorative image.
- FIG. 5 is an explanatory diagram schematically showing the file structure of the decorative image file FF including the decorative image data FD and the layout control information LI.
- FIG. 6 is an explanatory diagram schematically showing a file structure of a captured image file including captured image data GD and image processing control information GI.
- FIG. 7 is an explanatory diagram showing an example of color distribution characteristics obtained as a result of analyzing the decoration image data FD.
- FIG. 4 is an explanatory diagram schematically illustrating an example of an image of a decorative image.
- FIG. 5 is an explanatory diagram schematically showing the file structure of the decorative image file FF including the decorative image data FD and the layout control information LI.
- FIG. 6 is an explanatory diagram schematically showing a file structure of a captured image file including captured
- FIG. 8 is an explanatory diagram showing an example of a map for obtaining the correction amount k from the color distribution characteristic value I of the decorative image data FD.
- the image example of the decorative image FD FD conceptually shows the state when it is expanded on the image buffer, and the file structure of each file is also stored when it is stored in the memory. It shows a state conceptually.
- the image processing executed in the present embodiment is performed, for example, when the memory card MC is attached to the personal computer 20 or when the digital still camera 10 is connected to the personal computer 20 via a communication cable. May be started when the image processing is performed, or may be executed when the image processing is instructed by the user via a keyboard or the like.
- the personal computer 20 acquires the selected decorative image data FD and temporarily stores it in the RAM 201 (step S100).
- the selection of the decoration image data FD may be performed on, for example, the digital still camera 10 or the decoration image data stored in the HDD 202 in advance on the personal computer 20 via a keyboard or the like. It may be selected in the evening, or may be selected via a network.
- the decoration image data FD may have a plurality of arrangement positions for arranging a plurality of pieces of captured image data GD, but in the present embodiment, the arrangement positions are set to one for ease of explanation. A case will be described in which single (one) captured image data GD is pasted to decorative image data FD having one.
- the decorative image data FD has, for example, the form shown in FIG. 4 at the time of image output (when the image buffer is expanded), and one or more arrangement positions for pasting the captured image data G ′′ D are prepared.
- the decorative image data FD is exchanged in the form of a decorative image file FF including the decorative image data FD and the layout control information LI.
- the decorative image file FF has, for example, the file structure shown in FIG. 5, and the layout control information LI defines the arrangement information (for example, coordinate information) in which the captured image data GD is to be arranged, The arrangement dimensions (resizing dimensions) of the captured image data GD may be specified, and further, the color distribution characteristic information of the decorative image data FD may be specified.
- the layout control information LI further describes ⁇ channel data.
- the channel data includes, for example, the tone values (R, G, and G) of the upper image data (for example, decorative image data FD) and the lower image data (for example, captured image data GD) at the time of image synthesis.
- the CPU 200 acquires the selected captured image data GD and temporarily stores the data in the RAM 201 (step S110).
- the selection of the captured image data GD may be performed, for example, on the digital still camera 10 or may be performed via a keyboard or the like in the personal computer 20 JL.
- the decorative image data FD to be used is selected (determined).
- the picked-up image data G D to be arranged at each arrangement position of the decoration image data G D is selected.
- the captured image data GD may form one captured image file GF together with the image processing control information GI, for example, as shown in FIG.
- the image processing control information GI may be described in the header portion when the captured image data GD has a header portion, and further, the captured image data can be described by the third association data. It may be associated with GD.
- the CPU 2000 analyzes the acquired decoration image data FD to create a histogram of the color distribution characteristics (step S120). Specifically, a plurality of pixel data constituting the decorative image data FD is scanned in pixel units or at an appropriate pixel interval, Create a histogram for each of the R, G, and B components.
- the CPU 200 calculates the representative color Fc from the histogram of the created captured image data FD (step S130). Specifically, the median is calculated for each of the R, G, and B components using the created histogram, and this combination is used as the representative color Fc (Rm, Gm, Bm) of the decorative image data FD. .
- An example of the representative colors Fc (Rm, Gm, Bm) is as shown in FIG. 7. For example, in the case of 8-bit gradation, each of the values can take a value of 0 to 255. Also, instead of the median value, the average value of each of the R, G, and B components may be used.
- the CPU 200 analyzes the acquired captured image data G D and creates a histogram of the captured image data G D (step S140). Specifically, the CPU 200 scans the captured image data GD on a pixel-by-pixel basis and obtains an image statistic (an image quality characteristic value) indicating the characteristics of the captured image data FD. In general, values for parameters such as contrast, sharpness, and brightness are obtained as parameters for image quality characteristic parameters. In this embodiment, parameters relating to color balance, that is, Find histograms for each of the R, G, and B components.
- the personal computer 20 stores in advance a standard image quality parameter value as a reference for the image quality characteristic parameter related to color balance in the HDD 202, and the CPU 200 sets the image quality characteristic parameter related to color balance obtained by the analysis.
- the correction amount for the image quality characteristic parameter overnight value related to color balance that is, the color balance analysis correction amount Gc (Ra, Ga, Ba) is set. Determine (step SI 50).
- the color balance analysis capture amount Gc may be determined using the image processing control information GI when the captured image data GD is associated with the image processing control information GI. If the image processing control information GI describes the degree of reduction of the deviation between the image quality characteristic parameter value and the standard image quality parameter value for color balance, and the application level of the automatic image quality adjustment amount, the color balance analysis correction Quantity G c is determined according to the degree of reduction specified by the image processing control information GI instead of the degree of reduction set in advance. On the other hand, when a specific value of the image quality adjustment parameter related to the color balance is described as the image processing control information GI, the described value is used as the color balance analysis correction amount Gc. When the image processing control information GI is used, the analysis correction amount can reflect the intention of the photographer.
- the CPU 200 calculates a color balance correction correction amount Mc (Rc, Gc, Be) from the representative color Fc and the color balance analysis correction amount Gc (step SI60). Specifically, it is as follows.
- the correction amount k is obtained from the graph of Fig. 8 using I obtained from the above, and the R component of the color balance analysis correction amount Gc (Ra, Ga, Ba) is calculated using the following equation (2). Then, the force balance correction correction amount M c (R c, Gc, Be) is obtained. Note that 0 ⁇ k ⁇ 0.4.
- the R component is slightly overcorrected, and as a color balance of the entire captured image data GD, the R component (red component) becomes weak, and as a result, the G and B components become strong.
- Equation 2 only the color balance analysis correction amount Gc for the R component determined in this way is further increased, and as a result, the R component is further weakened. Therefore, for the decorative image data FD with strong R component, As a result, it is possible to obtain an output image in which the captured image does not melt into the decoration image.
- the correction amount k is calculated from the graph of FIG. 8 using I obtained from the following equation (4), (4)
- the R component of the color balance analysis correction amount Gc (Ra, Ga, Ba) is corrected to obtain the color balance correction correction amount Mc (Rc, Gc, Be). Note that 0 ⁇ k ⁇ 0.4.
- Mc (Rc, Gc, Be) (Ra (1k), Ga, Ba (1 -k))
- the correction amount k is obtained from the graph of Fig. 8 using I obtained from the above, and the R component of the color / lance analysis correction amount Gc (Ra, Ga, Ba) is corrected using the following equation (7).
- Mc force balance correction correction amount
- Mc (R c, Gc, B e) (R a, G a, B a (1 + k))
- the B component is slightly overcorrected, and as a color balance of the entire captured image data GD, the B component (blue component) is weakened, and as a result, the R and G components are strong.
- the color contrast is increased with respect to the decorative image data FD having a strong B component, and an output image in which the captured image does not melt into the decorative image can be obtained as an output result.
- the CPU 200 executes image quality adjustment processing on the captured image data GD using the calculated color balance correction correction amount Mc (step S170).
- the image quality adjustment is performed using, for example, a one-way curve (S-curve) that associates the input level and the output level of the RGB component of the captured image data GD.
- S-curve a one-way curve
- Mc RGB, Gc, Be
- Mc points for applying the correction amount are set experimentally for each image quality parameter. For color balance, for example, when the input level is 0, The color balance correction amount Mc is applied as the output level offset amount.
- the passing point of the tone curve at that point is changed, and the input-output characteristics are changed. Therefore, if the changed R, G, and B! Curves are applied to the captured image data GD, the input-output conversion is performed for each of the RGB components of the captured image data GD, and the image quality is adjusted. The obtained captured image data GD is obtained. It should be noted that when intentional color cast is specified in the image processing control information GI, it is preferable that the automatic adjustment of the force balance is not executed. In the image quality adjustment processing, the color-balance correction correction amount Mc (Rc, Gc, Be) determined by the user may be changed. The user corrects the color balance correction correction amount Mc through an input device of a personal computer and an operation panel of the color printer 30, for example.
- the CPU 200 captures the decorative image data FD and the image according to the rate control information LI.
- the image data GD is combined (superimposed) with the image data GD to generate output image data (step S180).
- the composition of the captured image data GD with the decoration image data FD is performed, for example, as follows.
- the CPU 200 interprets the script about the layout position and the layout size described in the layout control information LI, and determines the layout position and the layout size of the captured image data with respect to the decorative image data FD according to the interpretation result. Further, the tone value of the device image data FD is determined based on the ⁇ channel data, and the two image data are combined (superimposed). The CPU 200 resizes (reduces or enlarges) the size of the image of the print image according to the layout dimensions for each layout position described in the script.
- the combining process of the two image data by the CPU 200 is performed, for example, by adding the R, G, and B values of the captured image data by applying the value of the ⁇ -channel data described above, thereby obtaining R, G of the output image data. Is performed by obtaining the B value.
- the a channel data is set to 0 so that the reproduction of the captured image data D is not hindered by the decoration image data FD.
- the captured image cannot be reproduced by setting the channel data to 255.
- the CPU 200 outputs the output image data to the printer driver and the display driver (step S190), and ends the processing routine.
- the printer driver executes RGB-C MYK color conversion processing and halftone processing using a look-up table or the like. For example, the printer driver converts the output image data into raster data with a print control command. Output to 0.
- the color tendency of the entire decorative image data FD is determined from the color distribution of the decorative image data FD.
- Image data G to be placed in the decorative image data FD By correcting the color balance analysis correction amount Gc obtained by the analysis of D, the color balance correction correction amount Mc can be obtained. Therefore, the color balance correction correction amount Mc is determined so that the tint (color tendency) of the decorative image data FD and the tint (color tendency) of the captured image data GD differ from each other.
- the contrast between the image and the decorative image can be increased, and an output result in which the captured image is conspicuous with the decorative image can be obtained.
- the CPU 200 obtains the color balance analysis correction amount Gc based on the analysis result of the captured image data GD, and reflects the representative color Fc of the decorative image data FD to determine the color error.
- the balance analysis correction amount Gc is corrected to determine the force balance correction correction amount Mc, and the image adjustment process is performed using the determined color balance correction correction amount Mc. Therefore, the image quality adjustment processing that takes into account both the characteristics of the captured image data GD and the color distribution of the decoration image data FD can be completed in one time. As a result, the time required for the image quality adjustment processing can be reduced without deteriorating the image quality of the processed captured image data GD.
- the color distribution of the decorative image data FD that is, the representative color Fc is obtained by analyzing the decorative image data FD.
- the layout is previously determined as the representative color information shown in FIG.
- the representative color Fc defined in the control information LI may be used.
- the correction amount k may be specified in the layout control information LI. In such a case, the analysis processing of the decoration image data FD can be skipped, and the image quality adjustment processing for the captured image data GD reflecting the color characteristics of the decoration image data can be executed quickly.
- the adjustment processing may be executed.
- the image quality adjustment processing for these image quality adjustment parameters is executed using a tone curve (S curve) that associates the input level of the RGB component of the imaging surface image data GD with the output level.
- S curve a tone curve
- the tone curve experimentally defines the point at which the correction correction amount is applied for each image quality parameter.
- the tone curve of the point is determined.
- the passing point is changed, and the input-output characteristics are changed. Therefore, if the changed R, G, and B tone curves are applied to the captured image data GD, input-output conversion is performed for each RGB component of the captured image data GD, and the image quality is adjusted.
- the captured image data GD is obtained.
- the color balance analysis correction amount Gc is calculated
- the color balance correction correction amount Mc is determined by reflecting the representative color Fc of the decorative image data FD
- the captured image is calculated.
- the first image quality adjustment process of applying the color balance analysis correction amount c to the captured image data GD is performed, and the captured image data GD is standardized.
- the surface quality adjustment processing may be performed on the captured image data GD based on the representative color Fc of the decorative image data FD. In such a case, after the image quality of the captured image data G D is matched with or close to the reference value, the image quality adjustment processing that reflects the color distribution of the decorative image data FD can be executed.
- FIG. 10 is a flowchart showing a processing routine of image processing executed in the personal computer 20 according to the second embodiment.
- Fig. 11 shows decorative image data FD and layout control information LI
- FIG. 8 is an explanatory diagram schematically showing a file structure of a decoration image file FF including the following.
- FIG. 12 is an explanatory diagram showing an example of a luminance characteristic obtained as a result of analyzing the decoration image data FD.
- FIG. 13 is an explanatory diagram showing an example of a luminance characteristic obtained as a result of analyzing the captured image data GD.
- FIG. 14 is an explanatory diagram showing the relationship between the input value and the output value for the brightness correction correction amount.
- the image example of the decorative image data FD conceptually shows the state when the image is expanded on the image buffer.
- the file structure of each file also conceptually shows the state when it is stored in the memory. It is shown in FIG. Further, since the image processing apparatus (personal computer) according to the second embodiment has the same configuration as the image processing apparatus according to the first embodiment, the same reference numerals denote the same components. The description will be omitted by attaching.
- the image processing executed in the second embodiment will be described with reference to FIG.
- the image processing executed in the present embodiment is performed, for example, when the memory card MC is attached to the personal computer 20 or when the digital still camera 10 is connected to the personal computer 20 via a communication cable.
- the processing may be started when the image processing is instructed by a user via a keyboard or the like.
- the personal computer 20 When the personal computer 20 (CPU 200) starts the image processing, it acquires the selected decorative surface image data FD and temporarily stores it in the RAM 201 (step S200). ).
- the selection of the decoration image data FD may be performed, for example, on the digital still camera 10, or the decoration stored in the HDD 202 in advance on the personal computer 20 via a keyboard or the like. Image data-may be selected from the evening or may be selected via a network.
- the decoration image data FD may have a plurality of arrangement positions for arranging a plurality of captured image data GD, but in the present embodiment, the arrangement positions are set to facilitate the description. Single (single) imaging for one decorative image data FD The case where the image GD is pasted will be described.
- Decorative image data For example, it has the form shown in FIG. 4 at the time of image output (when the image buffer is expanded), and one or more arrangement positions for pasting the captured image data GD are prepared.
- the decorative image file FF has, for example, the file structure shown in FIG. 11, and the layout control information LI defines the arrangement position information (for example, coordinate information) where the captured image data GD is to be arranged, and Position:
- the arrangement size (resizing size) of the captured image data GD to be detected may be specified, and the color distribution characteristic information of the decoration image data FD may be specified.
- the layout control information I further describes channel data.
- the image data for example, decorative image data FD
- the image data for example, captured image data GD
- have respective gradation values (R, (G, B data values) are relatively adjusted to determine the transparency of the lower image data relative to the upper image data.
- R, G, B data values gradation values
- the coefficient ⁇ is applied to the R, G, and B data of the upper image data, the coefficient (I— a)), and when the value is 255, the lower image data does not appear in the composite image (non-transparent), and when the value is 0, the lower image data completely appears in the composite image ( Transmission).
- the CPU 200 acquires the selected captured image data GD and temporarily stores it in the RAM 201 (step S210).
- the selection of the captured image data GD may be performed, for example, on the digital still camera 10 or may be performed on the personal computer 20 via a keypad or the like.
- the decoration image data FD to be used is selected (determined).
- the picked-up image data GD to be arranged at each arrangement position of the decorative image data GD is selected.
- the captured image data GD may form one captured image file GF together with the image processing control information GI.
- the image processing control information GI may be described in the header section if the captured image data GD has a header section. It may be associated with GD.
- the CPU 200 analyzes the obtained decorative image data FD to create a histogram of luminance characteristics (step S220). Specifically, a plurality of surface element data constituting the decorative image data FD are scanned pixel by pixel or at an appropriate pixel interval, and a histogram is created for the luminance component.
- the CPU 200 calculates the average luminance Yfm from the histogram of the created captured image data FD (step S230). Specifically, the median of the luminance value Y f is determined using the generated histogram.
- An example of the histogram and the average luminance Yfm is as shown in FIG. 12. For example, in the case of 8-bit gradation, it can take a value of 0 to 255. Also, an average value for each pixel data may be used instead of the median value.
- the CPU 200 analyzes the acquired captured image data GD and creates a histogram of the luminance characteristics of the captured image data GD as shown in FIG. 13 (step S240). Specifically, the CPU 200 scans the captured image data GD on a pixel-by-pixel basis to obtain an image statistic (image quality characteristic parameter value) indicating the characteristics of the captured image data FD. In general, values for parameters such as contrast, sharpness, and color balance are obtained as the image quality characteristic parameter overnight value. However, in this embodiment, a parameter value related to lightness, that is, a luminance component is calculated. Find the histogram of
- the personality computer 20 uses the reference The reference image quality parameter value stored in the HDD 202 is stored in advance in the HDD 202.
- the correction amount for the parameter overnight value, that is, the brightness analysis correction amount (correction coefficient) Gy is determined (step S250). Specifically, using the average brightness Ygm of the captured image obtained from the histogram shown in FIG.
- Ys standard image quality parameter overnight value.
- the determination of the brightness analysis correction amount Gy may be performed using the image processing control information GI when the captured image data GD is associated with the image processing control information GI.
- the image processing control information GI describes the degree of reduction of the deviation between the image quality characteristic parameter value related to luminance and the reference image quality parameter value and the application level of the automatic image quality adjustment amount
- the brightness analysis correction amount Gy is The determination is made according to the degree of reduction defined by the image processing control information GI instead of the degree of reduction set in advance.
- the specific value of the image quality adjustment parameter of the luminance is described as the image processing control information GI, the described value is used for the brightness analysis regardless of the analysis result of the captured image data GD.
- the correction amount is set to Gy.
- the analysis correction amount that reflects the photographer's intention can be used as the CPU 200.
- the CPU 200 calculates the lightness correction correction amount (correction coefficient) from the average luminance Yfm and the lightness analysis correction amount Gy.
- the key is calculated (step S260). Specifically, it is as follows.
- Th the threshold value for the brightness determination of the decorative image data FD
- k a constant
- the brightness contrast increases as k increases.
- the CPU 200 executes image quality adjustment processing on the captured image data GD using the calculated brightness correction correction amount (step S270).
- the image quality adjustment is performed using, for example, a tone curve (S-curve) shown in FIG. 14 that associates the input level and the output level of the RGB component of the captured image data GD. Specifically, the same one curve shown below is applied to each of the R, G, and B components.
- the brightness correction correction amount ⁇ is smaller than the brightness analysis correction amount Gy, the output value becomes larger than the input value, so that the brightness of the captured image data GD becomes larger (higher). Therefore, the brightness contrast becomes large between the dark decorative image data FD and the bright captured image data GD, and at the time of output, the captured image becomes the decorative image.
- the captured image can be made to stand out without melting.
- the brightness correction correction amount determined by the user may be changed. The user corrects the brightness correction correction amount via, for example, an input device of a personal computer and an operation panel of the color printer 30.
- the CPU 200 When the brightness image quality adjustment processing for the captured image data GD is completed, the CPU 200 combines the decoration image data FD and the captured image data GD in accordance with the layout control information LI (overlapping) to generate output image data (Step S). 280).
- the composition of the captured image data GD with the decorative image data FD is performed, for example, as follows.
- the CPU 200 interprets the script about the arrangement position and the arrangement size described in the layout control information LI, determines the arrangement position and the arrangement size of the captured image data with respect to the decorative image data FD according to the interpretation result, and The tone values of the decorative image data FD are determined based on the ⁇ channel data, and the two image data are combined (superimposed).
- the CPU 200 resizes (reduces or enlarges) the size of the captured image data according to the layout dimensions for each layout position described in the script.
- the CPU 200 combines the two image data by, for example, adding the R, G, and B values of the captured image data by applying the value of the ⁇ -channel data described above to obtain the R, G, and B values of the output image data. Is performed by getting That is, in the area where the captured image should appear in the output image (combined image), the channel data is set to 0 so that the reproduction of the captured image data GD is not disturbed by the decoration image data FD, and the output is performed. For the area where the decoration image should appear in the image (decoration area, frame area), setting the ⁇ channel data to 255 does not allow the reproduction of the captured image.
- CPU 200 outputs the output image data to the printer driver and the display driver (step S290), and terminates the processing routine.
- Printed The driver performs RGB-CMYK color conversion processing and halftone processing using a look-up table or the like. For example, output image data is output to the printer 30 as a raster image with a print control command.
- the brightness tendency of the decoration image data FD is determined from the luminance distribution of the decoration image data FD, and the decoration image
- the brightness analysis correction amount G y obtained by analyzing the captured image data GD arranged in the data FD can be corrected to obtain the brightness correction correction amount ⁇ . Therefore, the brightness correction correction amount is determined so that the luminance (brightness tendency) of the decorative image data FD and the luminance (brightness tendency) of the captured image data GD differ from each other. It is possible to increase the brightness contrast between the decorative image and the decorative image, and to obtain an output result in which the captured image stands out with respect to the decorative image.
- the CPU 200 obtains the brightness analysis correction amount G y based on the analysis result of the captured image data GD, and reflects the average luminance Yfm of the decorative image data FD,
- the obtained brightness analysis correction amount Gy is corrected to determine a brightness correction correction amount a, and an image quality adjustment process is performed using the determined brightness correction correction amount a. Therefore, the image quality adjustment processing that takes into account both the characteristics of the captured image data GD and the luminance of the decorative image data FD can be completed in one time. As a result, the time required for the image quality adjustment processing can be reduced without deteriorating the image quality of the processed captured image data GD.
- the luminance characteristics of the decorative image data FD are obtained by analyzing the decorative image data FD.
- the average luminance Yf specified in advance in the rate control information LI may be used.
- the correction amount DY / Th may be specified in the layout control information LI.
- the analysis processing of the decorative image data overnight FD can be skipped, and the captured image data reflecting the luminance characteristics of the decorative image data can be skipped. Evening Image quality adjustment processing for GD can be executed quickly.
- the image quality adjustment processing may be executed for each image quality adjustment parameter of the memory color correction.
- the image quality adjustment processing for these image quality adjustment parameters is executed using a tone curve (S curve) that associates the input level of the RGB component of the captured image data GD with the output level.
- S curve a tone curve
- the tone curve experimentally defines the point at which the correction correction amount is applied for each image quality parameter.
- the tone curve of the point is determined.
- the passing point is changed, and the input-output characteristics are changed. Therefore, if the changed R, G, and B tone curves are applied to the captured image data GD, input-output conversion is performed for each RGB component of the captured image data GD, and the image quality is adjusted. GD is obtained.
- the lightness analysis correction amount Gy is obtained, the lightness correction correction amount is obtained by reflecting the average luminance Yfm of the decorative image data FD, and finally the captured image data GD is obtained.
- the image quality adjustment processing for applying the brightness correction correction amount is executed, it may be executed as follows.
- a first image quality adjustment process of applying the brightness analysis correction amount Gy to the captured image data GD is performed, and the captured image data GD is standardized,
- a second image quality adjustment process may be performed on the captured image data GD based on the average luminance Yfm of the decoration image data FD.
- the image quality adjustment processing reflecting the average luminance Yfm of the decorative image data FD should be executed. Can be done.
- the color balance correction correction amount Mc may be obtained.
- the color balance analysis correction amount Gc is corrected so as to enhance the color contrast between the decoration image and the captured image at the time of output, and the power balance correction correction amount Mc is determined.
- the color balance correction correction amount Mc may be determined so as to reduce the color contrast between the decoration image and the captured image at the time.
- the value of the correction amount k may be set as a negative value and applied to each of the equations (2), (4), (5), and (7). In such a case, it is possible to synchronize the power balance between the decoration image and the captured image at the time of output, and output a captured image that is compatible with the decoration image.
- the so-called automatic image quality adjustment processing of analyzing the captured image data GD and making the image quality adjustment parameter of the captured image data GD coincide with or close to the image quality reference parameter is performed.
- Only the image quality adjustment processing reflecting the representative color Fc of the decorative image data FD may be executed. That is, the image quality adjustment processing using the representative color Fc may be executed without using the color balance analysis correction amount Gc. Also in such a case, the color contrast of the captured image with respect to the decorative image at the time of output can be increased.
- one or a plurality of captured image data GD may be arranged in one or a plurality of decorative image data FD.
- the above-described image quality adjustment processing is executed for one or a plurality of pieces of captured image data GD arranged for each piece of decorative image data FD.
- the representative color Fc or the correction amount k obtained in the first embodiment is a decorative image. It may be written in the layout control information LI of the data FD.
- the parameter of the coefficient type applied to the equation representing the characteristic curve of the tone curve is used as the lightness analysis correction amount G y and the lightness correction correction amount “r”.
- G y and the brightness correction correction amount may be values that specify the offset amount of the tone curve.
- the tone curve includes an experimental offset for each image quality parameter.
- the point at which the amount (correction amount) is applied is defined. In the case of lightness, for example, when performing bright correction, the point of 1/4 of the input level is increased by the lightness correction correction amount, and the dark correction is performed. When applying, the input-output characteristics of the trigger tube are changed by lowering the 3/4 point of the input level by the brightness correction amount.
- the brightness analysis correction amount G y is corrected so as to increase the luminance contrast between the decoration image and the captured image at the time of output, and the brightness correction correction amount is determined.
- the lightness correction correction amount may be determined so as to lower the brightness contrast with the captured image.
- the value of k is applied to Equation (8) with a negative value of k. In such a case, it is possible to synchronize the brightness of the decorative image and the captured image at the time of the K power, that is, to harmonize the tendency of the brightness, and to output a captured image that is compatible with the decorative image.
- the so-called surface quality automatic adjustment process is performed in which the image quality adjustment parameter of the captured image data GO is matched with or close to the image quality standard parameter by analyzing the captured image data GD.
- the decoration image data F is performed in which the image quality adjustment parameter of the captured image data GO is matched with or close to the image quality standard parameter by analyzing the captured image data GD.
- Only the image quality adjustment processing reflecting the average luminance Yfm of D may be executed. That is, an image quality adjustment process may be performed in which a correction amount (Uramasa coefficient) based on the average luminance Yfm is applied without using the brightness analysis correction amount Gy. Even in such a case, it is possible to increase or decrease the brightness contrast of the captured image with respect to the decoration image in the output image.
- the description has been made on the assumption that one captured image data GD is arranged for one decoration image data FD.
- one or a plurality of decoration image data FD A plurality of captured image data GD may be arranged. In such a case, the above-described image quality adjustment processing is executed for one or a plurality of pieces of captured image data GD arranged for each piece of decorative image data FD.
- the average luminance Yfm or the correction amount DY / Th obtained in the second embodiment may be written in the layout control information LI of the decorative image data FD.
- image processing is performed using the personal computer 20 as the image processing device.
- a display device may be used for image processing. It may be used as a device, and in this case, the above-described image processing is executed in a printer or a display device.
- the display device includes, for example, a CRT, a liquid crystal display, a projector, or the like, which has an image quality adjustment function for image data and can display an output image based on the image data GD whose image quality has been adjusted.
- the image processing executed by the personal computer PC may be executed by the digital still camera 10.
- the image data processing application such as a retouching application or a printer driver stored in the ROM of the digital still camera 10 or the like described in the first and second embodiments and each of the modified examples. This is achieved by having a processing function.
- the print data including the print control command and the print image data generated by the digital still camera 10 is provided to the printer 30 via a cable or W: or a memory card MC. Is done.
- the printer 30 forms a dot pattern on the print medium according to the print image data. Output the image.
- the digital still camera 10 may provide output image data (image-processed image data) to the personal computer 20 or the printer 30. In such a case, the personal computer 20 or the printer 30 generates a print image data including a print control command.
- the image processing is executed in the form of image processing software, that is, a computer program.
- the image processing is executed using an image processing hardware circuit having a logic circuit for executing each of the above processes (steps). Is also good. In this case, the load on the CPU 200 can be reduced, and higher-speed image processing can be realized.
- the image processing hardware circuit can be implemented, for example, as an implementation circuit for the digital still camera 10 and the printer 30 and as an add-on card for the personal computer 20.
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JP2016504615A (ja) * | 2012-11-13 | 2016-02-12 | クアルコム,インコーポレイテッド | 拡張現実デバイスの電力性能を高めるための仮想オブジェクトディスプレイ特性の変更 |
Also Published As
Publication number | Publication date |
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EP1667470A4 (en) | 2006-10-25 |
US7768681B2 (en) | 2010-08-03 |
EP1667470A1 (en) | 2006-06-07 |
JPWO2005027532A1 (ja) | 2006-11-24 |
JP4581999B2 (ja) | 2010-11-17 |
US20050140993A1 (en) | 2005-06-30 |
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