WO2008044270A1 - Dispositif d'affichage électroluminescent - Google Patents
Dispositif d'affichage électroluminescent Download PDFInfo
- Publication number
- WO2008044270A1 WO2008044270A1 PCT/JP2006/319996 JP2006319996W WO2008044270A1 WO 2008044270 A1 WO2008044270 A1 WO 2008044270A1 JP 2006319996 W JP2006319996 W JP 2006319996W WO 2008044270 A1 WO2008044270 A1 WO 2008044270A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- color
- image
- light emission
- light
- light emitting
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
-
- 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
Definitions
- the present invention relates to a light-emitting display device that emits light-emitting diodes with a light-emitting pattern corresponding to image characteristics when a subject is photographed or when a photographed subject image is viewed.
- some mobile communication terminals have a light emitting display device that allows a user to intuitively recognize the operation status of various functions such as incoming calls by light emission or blinking of a light emitting diode.
- a light-emitting display device three R (red), G (green), and B (blue) light-emitting diodes are appropriately arranged on the substrate, and a mixing ratio of these three light-emitting colors is selected.
- Patent Document 1 JP 2003-195791
- Patent Document 2 JP 2003-333382 A
- the present invention has been made in view of the above circumstances, and by emitting a plurality of light emitting diodes with a light emission pattern according to the color distribution of an image of a subject at the time of photographing or the image of the photographed subject,
- An object of the present invention is to provide a light-emitting display device that allows a user to recognize the characteristics and atmosphere of an image at a glance from the light-emitting pattern of the light-emitting diode.
- a light emitting display device extracts a focus area including a predetermined image pattern from an imaging unit that captures a subject and an image captured by the imaging unit.
- Attention area analysis means color distribution calculation means for calculating color distribution based on color information of each pixel in the attention area extracted by the attention area analysis means;
- a representative color selection means for selecting a representative color from the color distribution calculated by the color distribution calculation means, and a light emission control means for causing the light emitting diode to emit light with the representative color selected by the representative color selection means. It is characterized by.
- the attention area analysis means automatically extracts the attention area when the subject is photographed or the image is viewed by the viewer, and the color distribution power of the extracted image of the attention area is selected. Then, by causing the light emitting diode to emit light with a predetermined light emission pattern corresponding to the representative color, the photographer can make the photographer feel the atmosphere on the subject image including the region of interest.
- the light emitting display device includes a light emission pattern determining means for determining a light emission pattern by the light emitting diode, and the light emission control means is a representative color selected by the representative color selection means.
- the light emitting diode is caused to emit light at a timing based on the light emission pattern determined by the light emission pattern determining means.
- the light emitting display device is characterized in that the light emission pattern determining means determines the light emission pattern according to the representative color selected by the representative color selecting means.
- the light emitting diode can emit light with a light emission pattern corresponding to the representative color.
- the region of interest analysis means includes a plurality of regions that are candidates for the region of interest in the image, V, one of the regions is extracted as the region of interest. It is characterized by that.
- the color distribution calculating unit is set for each color information and a numerical value representing the color information of each pixel in the attention area extracted by the attention area analyzing means.
- the color distribution is calculated based on the weight coefficient.
- weighting the color distribution allows the degree of attention to human color to be savory, and as a result, by controlling the light emission pattern of the light emitting diode 16, the features of the image (atmosphere) are intuitive to the user. Can be recognized.
- a light emitting diode of each color when a subject is photographed or viewed, a light emitting diode of each color is used with a light emission pattern corresponding to a representative color determined according to the color distribution of the image, the area ratio of each color region, and the like.
- the light-emitting pattern of the light-emitting diode makes it possible for the user to intuitively feel the atmosphere on the image, for example, when the subject is green, such as a mountain or a field.
- FIG. 1 is a block diagram showing a light emitting display device according to an embodiment of the present invention.
- FIG. 2 is a flowchart showing a procedure for extracting a region of interest from an image according to the present invention.
- FIG. 3 is a flowchart showing the light emission control procedure of the light emitting diode in the present invention.
- FIG. 4 is a color distribution diagram showing a color distribution state of an attention area of an image in the present invention.
- FIG. 5 is a color distribution diagram showing a color distribution state of an attention area of another image in the present invention.
- FIG. 6 is a block diagram showing another light emitting display device according to an embodiment of the present invention.
- FIG. 7 is a flowchart showing an extraction procedure when there are a plurality of candidate regions of interest in an image according to the present invention.
- the light-emitting display device extracts a region of interest of an image at the time of shooting or viewing an image, selects a representative color from the obtained color distribution information of the region of interest, and supports the selected representative color
- the light emitting diode is configured to emit light with a predetermined light emission pattern.
- FIG. 1 is a block diagram showing a light emitting display device according to a first embodiment of the present invention.
- the light emitting display device 10 includes a photographing unit 11, a region of interest analysis unit 12, a color distribution analysis unit 13, a light emission control unit 15, and a light emitting diode (LED) 16.
- a photographing unit 11 includes a photographing unit 11, a region of interest analysis unit 12, a color distribution analysis unit 13, a light emission control unit 15, and a light emitting diode (LED) 16.
- LED light emitting diode
- the photographing means 11 has a function of converting a photographed image obtained by photographing a subject into an electric signal and recording it in a flash memory or the like, and a user's operation to read the power of the flash memory or the like. And a function of displaying the taken captured image so as to be viewable on the monitor.
- the imaging means 11 includes a diaphragm, a shirt curtain, a finder, etc., but these are not characteristic features of the present invention, and illustration and description thereof are omitted.
- the attention area analysis means 12 functions to extract a predetermined image pattern area as an attention area from an image of a subject to be photographed or an image read from a flash memory or the like.
- the region of the predetermined image pattern is a region in the image that is generally assumed to attract the attention of a person, and the attention region analysis means 12 automatically extracts this region.
- a method shown in FIG. 2 is used to determine a region (attention region) that attracts the attention of this person.
- an image to be photographed or an image at the time of browsing is used as an original image, which is captured in a processing device (not shown) such as a microprocessor (step S1), and the original image captured in this processing device is converted into a mosaic image.
- a processing device not shown
- Step S1 processing that blurs the area where the color does not change and makes this low-brightness part clearly appear
- Step S3 extracts the attention area that attracts human attention ⁇
- This attention area extraction is performed by combining (i) an image edge extraction method, (mouth) a feature extraction method by color discrimination, and (c) a feature extraction method at the center of the image by mask processing.
- the edge extraction method converts the image into multiple resolutions and uses edge information for each resolution to extract image features from both local and global features.
- a numerical value indicating the color of a pixel constituting a certain image (a numerical value from 0 to 255 indicating black as the numerical value is larger. Or CMYK value) is larger (or smaller) than the average value of all the pixels, treat that pixel as a feature and extract it.
- the image center is extracted by mask processing.
- it is based on the assumption that the degree of attention decreases as it goes to the edge of the image where the degree of attention is higher toward the center of the image.
- step S4 the attention level of the image in the attention area extracted by the calculation process including the size of the mask process and the weighting on the mosaic image analysis result is calculated (step S4). Extract a rectangular area surrounding the entire image that is equal to or greater than the threshold (Step S5).
- the color distribution analysis means 13 analyzes the color distribution in the extracted region of interest. In this color distribution analysis, a plurality of colors are widened, the area is the widest in the order of occupying the region of interest, and one or more colors of the area are determined as representative colors.
- the color distribution analysis means 13 also has a representative color selection function (representative color selection means) for selecting a representative color from the analyzed color distribution.
- the light emission control means 15 functions to cause the light emitting diode 16 to emit light with the representative color selected by the color distribution analysis means 13.
- the light emission of the representative color of the light emitting diode 16 tells the user of the camera or mobile phone with a camera to intuitively recognize the atmosphere of the image at the time of shooting or viewing, that is, what kind of image it is. be able to.
- V be an image of the entire image area displayed over the entire monitor area in order to photograph the subject.
- the image A is an image obtained by photographing a green mountain b with a blue sky a as a background, and red and flowers c with the mountain b as a background.
- the color distribution of sky a, mountain b, and flower c in this entire image area is blue e, green f, and red g from the top as shown in FIG. 4 (b).
- the attention area B including a predetermined image pattern is analyzed and extracted (step Sl 1).
- the extracted image in the attention area B is input to the color distribution analysis means 13, and as shown in Fig. 4 (c), the upper force red g, Blue e, green f,
- the color distribution information in the image of the attention area is classified (step S12).
- Fig. 5 (a) shows an image of a green mountain b against the blue sky a and a flower d larger than that shown in Fig. 4 (a) against this mountain b.
- the image area representing flower d is wider than in Fig. 4 (a). Therefore, as shown in Fig. 5 (b), the color distribution of all image areas is red g, blue e, and green f from the top according to the proportion of each color in the entire image area. Therefore, the representative colors are different from those shown in Fig. 4 (b), and the representative colors are red g and blue e from the top.
- step Sl l attention area D is extracted (step Sl l).
- the extracted image in the attention area D is input to the color distribution analysis means 13, and as shown in Fig. 5 (c), the upper force red g, blue e, green f in the order according to the ratio occupied by each color. (Step S12). Therefore, the representative color matches that shown in FIG. 4C, and this representative color is selected (step S13). Since the difference in the proportion of the image of flower d in the region of interest hardly occurs between images A and B, the color distribution of the image of region of interest D is as shown in Fig. 5 (c), resulting in Fig. 4 The representative colors are the same as those shown in (c).
- a light emission pattern preset for the representative color is determined (step S16). Then, the light emission control means 15 performs light emission control of the light emitting diode 16 according to the generated light emission pattern (step S17).
- the representative color of the region of interest is emitted for 5 seconds.
- the representative color of each attention area is emitted according to the area. Specifically, if the representative colors of each region of interest are 50% red, 30% blue, and 20% green, red for 2.5 seconds, blue for 1.5 seconds, and green for 1. What is necessary is just to make it light-emit for 0 second.
- FIG. 6 is a block diagram showing a light emitting display device according to the second embodiment of the present invention.
- a light emission pattern determining means 14 not provided in the first embodiment is provided.
- the light emission pattern determining means 14 determines the light emission pattern of the light emitting diode 16, and the light emitting diode 16 emits the representative color selected by the representative color selecting means with the determined light emission pattern.
- the light emission patterns of these light emitting diodes 16 include (i) a pattern in which the light emission time of each light emitting diode 16 is changed according to the area ratio of the representative colors, or each light emitting diode regardless of the area ratio.
- a pattern that causes the LED to emit light (mouth) a pattern that lights or blinks each light-emitting diode 16 for a time corresponding to the area ratio of the representative color, etc., and (c) a light emission intensity of each light-emitting diode 16 depending on the area ratio of the representative color (B) a pattern that changes (brightness), (2) a pattern that causes each light-emitting diode 16 to emit light in an order according to the area ratio of the representative colors, etc., or in a random order regardless of the area ratio, and (e) a representative color, etc.
- a pattern for causing the number of light emitting diodes 16 to emit light according to the area ratio, or a pattern for emitting light randomly regardless of the area ratio to be generated regardless of the area ratio is used.
- the light emission control means 15 functions to cause the light emitting diode 16 to emit light with any selected light emission pattern. From the light emission pattern of the light emitting diode 16, it is possible to tell the user of the camera or camera-equipped mobile phone so that the user can intuitively recognize the atmosphere of the image at the time of shooting or browsing.
- the light emission pattern is set according to the light emission time and the like as described above. For this reason, the user can recognize the atmosphere on the image by observing the lighting pattern of the lighting or blinking.
- the attention area analysis unit 12 has a priority determination function, and this priority determination function calculates the priority (priority order) of which area is preferentially extracted as the attention area.
- the light emission pattern determining means 14 generates a light emission pattern corresponding to the representative color of the attention area having the highest priority (step S16).
- Step SI 7 the priority (priority) calculation method determines the priority in the order according to the area ratio of each region of interest.
- the representative color of the region of interest is emitted for 5 seconds.
- the representative color of each attention area is emitted according to the area. Specifically, if the representative colors of each region of interest are 50% red, 30% blue, and 20% green, red is 2.5 seconds, blue is 1.5 seconds, and green is 1. What is necessary is just to make it light-emit for 0 second.
- the color distribution calculating means 13 has a function of determining the color distribution of the color information of each pixel in the attention area based on the weighting factor set for each color information, and determining the representative color from the color distribution. Have. This weight coefficient is weighted in the color distribution analysis means 13 for the color (here, red) that the person is likely to pay attention to.
- the color with the largest distribution is specified as the representative color. For example, if red, green, and blue are 30%, 20%, and 50%, respectively, blue is specified as the representative color.
- the numerical values of red, green, and blue are calculated by the number of pixels of each color with respect to the total number of pixels of the image. Assuming that the total number of pixels is 100, the number of red, green, and blue pixels is 30, 20 and 50 even!
- the reason for weighting in the present invention is that, for example, when red, green, and blue images of 30%, 20%, and 50% are viewed by a person, blue is not necessarily recognized as the most prominent color. There is a possibility of recognizing red as a color with high attention.
- the number of red pixels is multiplied by a color weighting coefficient “2”, and the number of red, green, and blue pixels is 60 or 20, respectively. , 50, and 60 even, 20 even, and 50 even harm to imaginary total number of pixels 130 (60 + 20 + 50).
- red can be specified as the representative color.
- the color weighting coefficient can be applied to green and blue as well. In this way, by taking into account the recognition tendency (degree of attention) of human color, , Image features (The atmosphere can be intuitively recognized by the user.
- the attention area analysis unit 12 automatically extracts the attention area when the subject is photographed or viewed, and the extracted attention is extracted.
- the representative color is selected from the color distribution of the image in the area, and the light emitting diode 16 is lit and displayed with a predetermined light emission pattern corresponding to the representative color, so that the photographer or the like can intuitively feel the atmosphere on the subject image including the attention area. be able to.
- the light emitting display device of the embodiment of the present invention when there are a plurality of candidates for the attention area, one attention area is identified, and the light emitting diode is identified by the representative color of the identified attention area. 16 light emission patterns can be determined and the user can appropriately recognize the atmosphere of the image.
- the light emitting display device of the embodiment of the present invention it is possible to add attention to human color by weighting the color distribution.
- the image is displayed. The user can intuitively recognize the features (atmosphere).
- the light emitting display device of the present invention by emitting light from a plurality of light emitting diodes in a light emitting pattern according to the color distribution of the image of the subject at the time of shooting or the image of the shot subject, the light emitting pattern of the light emitting diodes If the user can recognize the atmosphere of the image at a glance, it has a! / ⁇ ⁇ effect and emits a light emission pattern according to the characteristics of the image when shooting the subject or viewing the shot subject image. It can be widely used in a light emitting display device that emits light from a diode.
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephone Function (AREA)
- Color Television Image Signal Generators (AREA)
- Studio Devices (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06811323A EP2046064A4 (en) | 2006-10-05 | 2006-10-05 | LIGHT EMITTING DISPLAY DEVICE |
PCT/JP2006/319996 WO2008044270A1 (fr) | 2006-10-05 | 2006-10-05 | Dispositif d'affichage électroluminescent |
US12/281,109 US20090225213A1 (en) | 2006-10-05 | 2006-10-05 | Luminescent display device |
JP2007509263A JPWO2008044270A1 (ja) | 2006-10-05 | 2006-10-05 | 発光表示装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/319996 WO2008044270A1 (fr) | 2006-10-05 | 2006-10-05 | Dispositif d'affichage électroluminescent |
Publications (1)
Publication Number | Publication Date |
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WO2008044270A1 true WO2008044270A1 (fr) | 2008-04-17 |
Family
ID=39282481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/319996 WO2008044270A1 (fr) | 2006-10-05 | 2006-10-05 | Dispositif d'affichage électroluminescent |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090225213A1 (ja) |
EP (1) | EP2046064A4 (ja) |
JP (1) | JPWO2008044270A1 (ja) |
WO (1) | WO2008044270A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3709636A1 (en) | 2019-03-13 | 2020-09-16 | Fujifilm Corporation | Printer |
JP2022081514A (ja) * | 2019-03-13 | 2022-05-31 | 富士フイルム株式会社 | プリンタ、プリンタの制御方法及びプリンタの制御プログラム |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103322470A (zh) * | 2013-05-10 | 2013-09-25 | 安徽捷迅光电技术有限公司 | 一种改进型色选机led灯 |
JP2016031713A (ja) | 2014-07-30 | 2016-03-07 | オリンパス株式会社 | 特徴画像表示装置 |
JP2016151893A (ja) * | 2015-02-17 | 2016-08-22 | 株式会社東芝 | 画像処理装置、物品処理装置、及び、画像処理方法 |
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2006
- 2006-10-05 JP JP2007509263A patent/JPWO2008044270A1/ja not_active Ceased
- 2006-10-05 WO PCT/JP2006/319996 patent/WO2008044270A1/ja active Application Filing
- 2006-10-05 US US12/281,109 patent/US20090225213A1/en not_active Abandoned
- 2006-10-05 EP EP06811323A patent/EP2046064A4/en not_active Withdrawn
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3709636A1 (en) | 2019-03-13 | 2020-09-16 | Fujifilm Corporation | Printer |
JP2020146902A (ja) * | 2019-03-13 | 2020-09-17 | 富士フイルム株式会社 | プリンタ |
US20200290368A1 (en) * | 2019-03-13 | 2020-09-17 | Fujifilm Corporation | Printer |
JP7030735B2 (ja) | 2019-03-13 | 2022-03-07 | 富士フイルム株式会社 | プリンタ |
JP2022081514A (ja) * | 2019-03-13 | 2022-05-31 | 富士フイルム株式会社 | プリンタ、プリンタの制御方法及びプリンタの制御プログラム |
JP7220318B2 (ja) | 2019-03-13 | 2023-02-09 | 富士フイルム株式会社 | プリンタ、プリンタの制御方法及びプリンタの制御プログラム |
Also Published As
Publication number | Publication date |
---|---|
US20090225213A1 (en) | 2009-09-10 |
JPWO2008044270A1 (ja) | 2010-02-04 |
EP2046064A1 (en) | 2009-04-08 |
EP2046064A4 (en) | 2009-10-21 |
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