CN1694508A - Digital camera - Google Patents

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Publication number
CN1694508A
CN1694508A CNA2005100687274A CN200510068727A CN1694508A CN 1694508 A CN1694508 A CN 1694508A CN A2005100687274 A CNA2005100687274 A CN A2005100687274A CN 200510068727 A CN200510068727 A CN 200510068727A CN 1694508 A CN1694508 A CN 1694508A
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China
Prior art keywords
storage
digital camera
view data
characteristic
zone
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CNA2005100687274A
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Chinese (zh)
Inventor
野崎弘刚
元木康之
日比野秀臣
太田雅
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Nikon Corp
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Nikon Corp
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Abstract

The present invention aims at providing a digital camera that enables to readily check a focus status of a principle subject by employing a new action sequence. The present invention includes a display device that displays image data, an extraction device that extracts a feature portion of a subject from image data, and a controller that controls so as to cut out a screen having a predetermined range including at least a part of a subject corresponding to the feature portion extracted by the extraction device from the image data and display a cut-out screen in a predetermined location on the display device and an area around the extracted subject is displayed separately in a part on the display screen by a small-sized screen. Furthermore, this feature portion is set as the AF area, so that a check of a focus status becomes easy.

Description

Digital camera
Coherent reference
The application here is incorporated herein by reference their content based on the Japanese patent application No.2004-137960 that submitted on May 7th, 2004 and the Japanese patent application No.2004-137961 that submitted on May 7th, 2004 and the priority that requires them.
Technical field
The present invention relates to digital camera, this digital camera can store shot image data on the file into according to the recognition result of discerning in conjunction with people's characteristic point, and the inspection focusing state corresponding with recognition result.
Background technology
Briefly, from for example fingerprint or iris etc. are corresponding discerns a people with the characteristic point of prior registration by checking a people, the known up to now technology according to a people of view data identification.Japan patent application H9-251534 co-pending describes a kind of recognition methods of identification identity in detail, promptly by extract and storage as eyes, nose and the mouth of characteristic point then relatively the characteristic point of storage realize identification with the characteristic point of extracting from input image data, Japanese patent application H10-232934 co-pending has disclosed a kind of method that strengthens image data base dictionary precision when the characteristic point of this extraction of storage.To provide below wherein these technology will be applied to some examples on the camera.
Japan patent application 2001-309225 co-pending has disclosed a kind of camera, and wherein the face recognition algorithm identified stores on the video memory together as data such as the position of face's coordinate, face's size, eyes and the direction of head and view data.Japan patent application 2002-232761 co-pending has also disclosed a kind of image storage apparatus, it by the image of taking and read in advance discerned relevant informational linkage by making body and store the image of shooting together.Japan patent application 2002-333652 co-pending has disclosed a kind of vision facilities, the profile information of its storage relatively in advance and face's information of shooting and generation storage signal.This profile information and order of priority are stored together.
In addition, also disclosed the digital camera technology that to check the focusing state of captured screen by the screen that except showing conventional screen, also shows shooting.Japan patent application H11-341331 co-pending has disclosed a kind of electronic imaging device, and it utilizes the cursor at manual focus place on whole screen the moving image of manually selecting that is shown as amplification by making body.At this moment show a small screen that is used for regulating the visual angle simultaneously.Japan patent application 2003-189136 co-pending has disclosed a kind of camera, it utilize eyes and at the signal of manual focus place direction indication by amplifying the input that shows this specific position at a specific position place.In Japan patent application 20003-241073 co-pending, disclosed a kind of camera, wherein stored in advance center position by the making body data, in when focusing its survey and focus concentrated on center position by on the part like the making body data class.By amplifying being presented on the whole screen this focus place by making body.In addition, after shooting, also use it to check focusing state.
In addition, in some digital camera technology that disclosed,, make and when playback, can search at an easy rate by when storing, image data packets being stored shot image data in predetermined group.Japan patent application 20002-211049 co-pending has disclosed a kind of image processing equipment, and it is by managing the captured view data that is relative to each other together according to shooting time to image data packets.Japan patent application 20003-162709 co-pending has disclosed a kind of image processing equipment, and it creates new folder in response to the user to the caused by operations state variation of imaging device.Japan patent application 20003-189215 co-pending has disclosed a kind of memory device, and it can connect the file of taking memory module and management photographic images.Japan patent application 20003-338999 co-pending has disclosed a kind of image archival device, and it comes the group image data by adding the information relevant with getting in touch of view data.
Summary of the invention
Various identifications are made the technology that is applied on the mainframe computer also can use on an independent camera by the invention that the technology of making body is applied on the camera.But when usefulness had been used identification by the camera actual photographed photo of the technology of making body, digital camera just needed a unprecedented action sequence on the other hand.In addition, technology is not disclosed in the actual digital camera identification is used to check focusing state by the technology of making body, and do not have yet technology disclose identification by the technology of making body and the method for creating the file that is used to store shot image data connect.
Be used to discern by a making body and a brand-new action sequence creating file by employing, the object of the present invention is to provide a kind of digital camera, it can check at an easy rate mainly by the focusing state of making body and by captured image data storage to using search when mainly being implemented in playback on the relevant file of making body easily.
In order to solve aforesaid problem, the present invention includes described in the claim 1: a display unit, its display image data; An extraction element, it extracts from view data by the characteristic of making body; With a controller, thereby it control the screen that cuts out preset range and in the precalculated position of display unit display screen, wherein this preset range comprise characteristic that at least a portion and extraction element extract from view data corresponding by making body.That is to say, on a part of display screen, show separately that with less screen size extraction is by the zone around the making body.Can be only before shooting and take the back show it and it also can be reproduced picture.Further comprise an imaging device at the digital camera described in the claim 2, it is taken by the making body image, thereby its middle controller is controlled the screen with preset range is stacked in from the screen with complete visual angle of imaging device output, and shows stacked screen on display unit.Therefore, this part full frame be stacked in view data full frame goes up and shows stacked screen.
Further comprise at the digital camera described in the claim 3: an AF device, it calculates in predetermined AF zone by the distance of making body; With a setting device, it is set at the AF zone to preset range, this preset range comprise characteristic that at least a portion and extraction element extract corresponding by making body.So just can check the focusing state of that part of screen.Further comprise a choice device at the digital camera described in the claim 4, it selects predetermined characteristic from the characteristic that extraction element extracts, thereby its middle controller control show a screen, this preset range with preset range comprise the characteristic selected with choice device corresponding by making body.So just can from a plurality of characteristic points that extract, manually select or from a plurality of characteristic points that extract, select automatically by user's operation according to predetermined standard.Further comprise an amplifying device at the digital camera described in the claim 5, its amplifies corresponding to the selected characteristic of choice device making body.
Digital camera as claimed in claim 6 comprises: an imaging device, and it is taken by the making body image; A display unit, its display image data; An extraction element, it extracts from view data by the characteristic of making body; A shooting indicating device, its indication imaging device begin to take in case by the storage of making body image on storage medium; With a controller, thereby it controls the screen that a screen cutting with preset range is come out and the demonstration cutting is come out in the precalculated position of display unit, this preset range comprises that the characteristic that at least a portion and extraction element extract is corresponding by making body from view data, it is captured that this view data is that the shooting indication of indicating device is taken in the imaging device response.That is to say, after having taken by making body, on a part of display screen with less screen display extraction by the zone around the making body.
Further comprise a storage device at the digital camera described in the claim 7, its storage extraction element is at the position of taking the indicating device indication shooting characteristic that eve extracted or at least one item in its size; With a definite device, it determines described preset range according at least one in the position that is stored in the characteristic on the storage device or its size.That is to say, according to determining to take the scope that the back shows the small screen in the information relevant of taking the eve extraction with characteristic point.Further comprise at the digital camera described in the claim 8: a storage device, its storage extraction element is at the position of taking the indicating device indication shooting characteristic that eve extracted or at least one item in its size; With a definite device, its determines the extraction scope of utilizing extraction element to extract according to being stored at least one item in the position of the characteristic on the storage device or its size, thereby its middle controller is controlled and only extract definite determined extraction scope of device from view data, and this view data is that the shooting indication of imaging device response shooting indicating device is captured.That is to say, do not extract whole screen by after shooting, only extracting predetermined scope, at once extract minutiae.
Further comprise at the digital camera described in the claim 9: a time set, it is taken back institute elapsed time and carries out timing taking the indicating device indication; With a storage device, when the time set timing during scheduled time, storage device image data storage on storage medium.That is to say, unless indication from the user is arranged, captured view data is storing on the storage card automatically through after the scheduled time.Further comprise at the digital camera described in the claim 10: a receiving system, it receives the storage indication from the user; With a storage device, when receiving system receives from user's storage indication, storage device image data storage on storage medium.That is to say, according to user's indication captured image data storage to storage card.Further comprise at the digital camera described in the claim 11: a receiving system, it receives the deletion indication from the user; With a controller, thus it control when receiving system receives from user's deletion indication, just not image data storage to storage medium.That is to say that utilize the deletion indication, the control view data makes it not store on the card.Like this, being judged as useless image does not just store on the storage card.
Comprise at the digital camera described in the claim 12: an imaging device, it is taken by the making body image; An extraction element, it extracts from view data by the characteristic of making body; A choice device, it is the predetermined portions in the characteristic that extracts of selective extraction device or corresponding to the predetermined characteristic part in the making body at least; With a controller, thereby it controls the predetermined characteristic part correlation of selecting the imaging device shot image data with choice device from view data data connect, and an image data storage that connects with described data is to storage medium.That is to say, only store together and the relevant information of selected characteristic point from the characteristic point of a plurality of extractions with view data.In the digital camera described in the claim 13, be the positional information relevant dimension information relevant or corresponding one of the identifying information that comes of being distinguished by making body with other by making body at least with characteristic with characteristic with characteristic with the data of predetermined characteristic spot correlation.
Further comprise at the digital camera described in the claim 14: an AF device, it calculates in predetermined AF zone by the distance of making body; With a setting device, it is set at the AF zone to presumptive area, and this presumptive area comprises the characteristic that at least a portion is selected by choice device.Corresponding with the selected characteristic point AF zone that is set at by making body.
Further comprise at the digital camera described in the claim 15: a display unit, its display image data; An indicating device, its indication playback is stored in the view data on the storage medium; With a playback reproducer, the indication of its response indicating device the screen cutting with preset range is come out and in the precalculated position of display unit this screen of playback, this preset range comprise at least a portion by with the data regulation that is stored in the predetermined characteristic part correlation on the storage medium by making body.That is to say, when playback is stored in view data on the storage card, can on the screen and view data show together be stored in storage card on characteristic point corresponding by making body zone on every side.In the digital camera described in the claim 16, playback reproducer further comprises an amplifying device, and it amplifies this preset range.
Comprise at the digital camera described in the claim 17: an imaging device, it is taken by the making body image; An AF device, it calculates in predetermined AF zone by the distance of making body; With a controller, thus it control the imaging device shot image data connected with the data relevant with AF zone, and the image data storage that handle and described data connect is to storage medium.That is to say, information and the view data relevant with the AF zone are stored together.In the digital camera described in the claim 18, with the relevant data in AF zone be at least with view data in one of the regional relevant positional information of AF or associated dimension information.Further comprise at the digital camera described in the claim 19: a display unit, its display image data; An indicating device, its indication playback is stored in the view data on the storage medium; With a playback reproducer, the indication of its response indicating device the screen cutting with preset range is come out and in the precalculated position of display unit this screen of playback, this preset range comprise at least a portion by with the data regulation that is stored in the predetermined characteristic part correlation on the storage medium by making body.So just can be easy to check the interior focusing state of image of regeneration around the AF zone.
Comprise at the digital camera described in the claim 20: an extraction element, it extracts from view data by the characteristic of making body; A sorter, it is categorized into view data in corresponding predetermined group of the characteristic that extracts with extraction element; With a storage device, it according to the sorter sorting result image data storage to storage medium.That is to say, can when playback, search for just to become like this and use easily by view data being divided into groups to store the characteristic point of extraction.
In the digital camera described in the claim 21, storage device is in image data storage to a zone, this zone is the zone that holds a plurality of view data that belong to same group on storage medium jointly, and should the zone to have carried out a group of classification corresponding with sorter.
Further comprise a creation apparatus at the digital camera described in the claim 22, it is created a zone and holds the view data of classifying through sorter jointly on storage medium.That is to say, can on storage card, create characteristic point corresponding file folder automatically with extract and carried out classification.Further comprise at the digital camera described in the claim 23: a sniffer, whether its detection storage medium has a zone is held the view data of having been carried out classification by sorter, wherein do not have when holding sorter and having carried out view data regional of group of classification to storage medium when detection, creation apparatus is created zone and is held the view data that sorter has carried out the group of classifying on storage medium.
Further comprise at the digital camera described in the claim 24: a judgment means, its judges in advance the order of priority of giving the characteristic that extraction element extracts, wherein when extraction element extracts a plurality of different characteristic from identical view data, sorter is categorized into view data with judgment means and is judged as in the corresponding group of the characteristic of high priority.That is to say, when detecting a plurality of characteristic point, view data be categorized into have high priority by in the making body group.
Further comprise at the digital camera described in the claim 25: a sniffer, whether its surveys storage medium and has and hold the zone of view data that sorter has carried out the group of classification; With a creation apparatus, when detection does not have when being used to hold sorter and having carried out view data regional of group of classification to storage medium, creation apparatus is created a zone and is held jointly by sorter and carried out the view data of classifying on storage medium.That is to say, when storage card does not have and have being pressed from both sides by the making body corresponding file of high priority, just create a new folder.
Further comprise a sniffer at the digital camera described in the claim 26, whether its surveys storage medium and has and hold the zone of view data that sorter has carried out the group of classification, wherein do not have when being used to hold this set of image data regional to storage medium when detection, storage device image data storage to the zone corresponding with the group of characteristic with inferior priority.That is to say, if not and have being pressed from both sides of high priority by the making body corresponding file, just image data storage to file with inferior high priority.
In the digital camera described in the claim 27, wherein storage device is stored on the storage medium corresponding with the classification results of sorter in a plurality of storage mediums.
Comprise at the digital camera described in the claim 28: an extraction element, it extracts from view data by the characteristic of making body; A sorter, it is categorized into view data in corresponding predetermined group of the characteristic that extracts with extraction element; With a creation apparatus, it is created a zone and holds the view data of having been carried out classification by sorter jointly on storage medium.That is to say, on storage card, create characteristic point corresponding file folder with extract and carried out classification.
Further comprise a storage device at the digital camera described in the claim 29, on the zone that the image data storage that it has carried out sorter classification is created by creation apparatus to the storage medium.
Description of drawings
The structure chart of Fig. 1 has illustrated the structure according to digital camera of the present invention.
The flow chart description of Fig. 2 according to the action sequence of digital camera of the present invention.
The flow chart description of Fig. 3 according to the action sequence of digital camera of the present invention.
The flow chart description of Fig. 4 according to the action of the inspection focusing state of digital camera of the present invention.
The flow chart description of Fig. 5 according to a storage action of digital camera of the present invention.
The flow chart description of Fig. 6 according to another storage action of digital camera of the present invention.
The flow chart description of Fig. 7 the action sequence of digital camera according to the present invention when playback.
The flow chart description of Fig. 8 the information relevant with characteristic point, these characteristic points will store on the storage area according to digital camera of the present invention.
The view description of Fig. 9 to be loaded into the file in the storage card in the digital camera of the present invention and the store status of data file.
The view description of Figure 10 to be loaded into the structure of the data file in the storage card in the digital camera of the present invention.
The view description of Figure 11 on display part of the present invention an example that amplifies screen display.
Figure 12 is one and shows view, and this view is stacked on the display part of digital camera of the present invention to be used for confirming the message of storing.
Embodiment
Below with reference to accompanying drawing embodiments of the invention are described.
The structure chart of Fig. 1 has been explained the major function about digital camera of the present invention.Image is caught lens 101 and is comprised zoom lens and condenser lens, and zoom lens continuously change its focal length, and condenser lens is regulated focus.Driver 113 drives these lens.Here driver 113 has zoom drive device unit and its and is used for the drive circuit of zoom drive device, and focus driver unit and its be used for the drive circuit of focus driver, and CPU112 controls these unit and circuit.Image is caught lens 101 and is formed by the making body image on the imaging surface of image-forming component 103.Image-forming component 103 is photoelectronic imaging elements, its output be formed on imaging surface on the corresponding signal of telecommunication of the light intensity by the making body image, and use CCD type or MOS type solid-state imaging element.Driver 115 drives image-forming component 103, the timing that signal is extracted in driver 115 controls.
Aperture 102 is arranged in image and catches between lens 101 and the image-forming component 103.Driver 114 drives aperture 102, and driver 114 comprises that aperture unit and its are used for the drive circuit of aperture unit.Picture signal from solid-state imaging element 103 is input in the analog signal processing circuit 104, the double sampling operations such as (CDS) of being correlated with in analog signal processing circuit 104.The picture signal that analog signal processing circuit 104 is handled utilizes A/D converter 135 to be digital signal from analog signal conversion.
In digital signal processing circuit 106, the signal after the A/D conversion is carried out various image processing, as profile enhancing, γ correction, white balance correction etc.Buffer storage 105 is frame memories, and it can store the data of the multiple image that obtains by image-forming component 103, and temporarily is stored in the buffer storage 105 through the signal of A/D conversion.Digital signal processing circuit 106 reads and is stored in the data in the buffer storage 105 and implements aforesaid every kind of processing, then treated data is stored in the buffer storage 105 once more.
CPU112 linking number word signal processing circuit 106 and driver 113 to 115, and when cameras work, control order.The AE calculating section 1121 of CPU112 is according to the picture signal calculation exposure time from image-forming component, and the AWB calculating section 1122 of CPU112 is by calculating the parameter of setting white balance.The feature point extraction computing unit 1123 of CPU112 extracts from view data according to predetermined algorithm and takes by characteristic points such as the shape of making body, position and sizes.The various information that extraction result that storage area 1125 storages of CPU112 are required and feature point extraction computing unit 1123 are extracted about characteristic point.The back will provide the explanation about this information.The user can increase, revises or delete characteristic point and information thereof from storage area 1125.
In this embodiment, the AF system of digital camera has used contrast method.Here provide explanation about this contrast method.Be formed on exist between image out focus degree and its contrast on the image-forming component 103 related, thereby utilize when image is the most clear picture contrast this fact of maximum that becomes to obtain focus.The size of radio-frequency component that can be by picture signal is calculated the size of contrast.That is to say, AF calculating section 1124 utilizes unshowned band pass filter (BPS) to extract the radio-frequency component of picture signal, and be the focusing calculated value carry out the value defined that integration obtains by absolute value, carry out AF according to the focusing calculated value then and calculate this radio-frequency component.CPU112 uses the result of calculation of AF calculating section 1124 to regulate the condenser lens position that image is caught lens 101, and realizes the focusing of condenser lens.
In the operating parts 116 that connects CPU112, be provided with the mains switch 1161 that opens or closes camera power supply, with release-push connect together partly press switch 1162 and press switch 1163 entirely, when obtaining image, select and set any menu in a plurality of menus that show on the display 109 button 1164 is set, and up/descending (below be called U/D) button 1165 that upgrades reproduced image etc.In order to give name of characteristic point of extracting, utilize button 1164 is set, also use U/D button 1165 to select and be provided with various characters, as letter, Chinese character (kanji) and Japanese character.In addition, also use U/D button 1165 to select a people who wants from the philtrum of a plurality of extractions, and when taking to taking the photograph distally or wide-angle side manual actuation zoom lens.
When being hanged down by making body brightness, photoflash lamp 117 is lighted.This photoflash lamp is provided with the pre-flash function, promptly to take people's pupil red or weakens so-called red eye phenomenon in order to avoid when photoflash lamp is luminous, makes earlier that before shooting an auxiliary photoflash lamp is luminous.When brightness is dark, use this pre-flash functional measurement in advance by the brightness of making body.Except aforesaid characteristic point information, the information relevant with the peak value of calculated value and information relevant with the position of corresponding condenser lens such as peak value etc. are stored in the storage area 1125, and wherein calculated value obtains from the AE result calculated.Through digital signal processing circuit 106 in various manners the processed images data in temporarily being stored in buffer storage 105 after overwriting and read signal processing circuit 110 store in the exterior storage medium 111 such as storage card.When image data storage to storage medium 111 time, usually data compression for predetermined form, as jpeg format.Record and read signal processing circuit 110 carry out data compression in case image data storage to exterior storage medium 111, also the compressing image data of regenerating from exterior storage medium 111 is carried out decompression.
Display 109 is liquid crystal indicator (LCD), and its is being taken or is showing during playback captured by making body image and various setup menu.Here this display also is used for playback and is stored in view data on the exterior storage medium 111.When display image on display 109, read and be stored in the view data among the VRAM107 and utilize D/A converter 108 that DID is converted to the simulation picture image signal, wherein VRAM107 is the part of buffer storage 105.Use this simulation picture image signal display image on display 109 then.
The relation between the buffer storage 105 and VRAM107 when extract minutiae is described below.When view data that playback on display 109 is used for showing, view data is with output continuously from image-forming component of specific cycle (as per second 30 frames), and wherein view data is reduced to the view data that is used for showing by the view data of rest image.This view data is carried out predetermined processing, and view data after treatment stores on the VRAM107 continuously, thus further sparse data make view data number of pixels and display 109 vertically/the pixels across number is corresponding.The data that are stored on the VRAM107 are presented on the display 109 as display image through D/A converter 108.This view data that is stored on the VRAM107 also is used as the data of extract minutiae.When extract minutiae, at first the view data that is stored on the VRAM107 is stored on the buffer storage 105 once more with predetermined timing.Here just around the storage of the preset range of the core that is stored in the view data on the VRAM107 (as vertically/horizontal 80%) on buffer storage 105.
Similarly, view data is stored on the buffer storage 105 once more from VRAM107, the reasons are as follows.If the disposal ability of CPU112 is very high, can come extract minutiae with the speed of per second 30 frames, but under many circumstances, the disposal ability of the CPU that uses in the typical digital camera on the market is in fact so not high.Therefore, by view data is stored into from VRAM107 on the buffer storage 105 once more, the speed of extract minutiae can be complementary with calculating with the corresponding feature point extraction of the disposal ability of CPU112.Even in this case, still guarantee to export the view data that is used in display 109 demonstrations from VRAM107, thereby the renewal rate that shows can be not slack-off with normal speed.The view data of using when in any case, AE and AF calculate is from the view data of image-forming component 103 outputs and does not go up and be reduced in order to store VRAM107 into.
Therefore, utilize this digital camera, before shooting and after taking, can check effectively by the focusing state of making body by using this feature point extraction function with this feature point extraction function.Adopt Fig. 2 this to be described to the flow process shown in Fig. 7.
At first, Fig. 2 has explained how to check the focusing state relevant with taking action with 3 flow chart.At step S101, when detecting the power supply of having opened digital camera, judge whether to be set at the extraction pattern of extract minutiae at step S102.For example, as a kind of method of setting this extraction pattern, be provided with by utilization and select this pattern to set extraction pattern (not shown) the multiple screening-mode of button 1164 on being presented at LCD display 109.In step S102, if do not set the extraction pattern, flow process advances to step S108.
In step S102, when judging screening-mode and be set at the extraction pattern, flow process advances to step S103, in this step, from the output of image-forming component 103, extracts by the characteristic point of making body and being presented at together on the LCD display 109 of utilizing that the characteristic point extracted identifies by making body and " panorama " image (or moving image of just not storing, export from image-forming component) for observation with predetermined timing.Figure 11 illustrates the example that identification shows.In Figure 11 center with the face that extracts this person around the shown square representative of coming out of the solid line of a people face.The inside of Figure 11 dotted line is that near the amplification this person face is shown that the back will provide its details.
At step S104, the characteristic point of being extracted and comprise that the presumptive area of the characteristic point of being extracted is set at the AF zone.When amplifying personage's face, further its pupil is set at the AF zone.In addition, during a plurality of characteristic point in extracting display screen, the characteristic point of area size's maximum is set at the AF zone.If perhaps the characteristic point the same with the characteristic point of being extracted stored on the storage area 1125 in advance, set the AF zone with regard to the basis information relevant (as order of priority information) with characteristic point.The back will provide the details of characteristic point information.
At step S105, judge whether screening-mode is set at the pattern of being focused by making body in the AF zone of checking.Similar with aforesaid extraction mode initialization, a kind of method that this pattern is set is to select to be used to the menu of checking that extraction is focused by making body from the setup menu (not shown) of screening-mode.Can at any time carry out this focusing inspection and aforesaid extraction pattern is set, or with its removing.When not checking focusing, flow process advances to step S107, and when checking focusing, flow process advances to step S106.
As shown in figure 11, in the step S106 that checks focusing, amplify the preset range that comprises the AF zone of setting according to the characteristic point of being extracted, and on a part of LCD display 109, show this scope on the screen on all data by this scope is stacked to.The detailed process of this step S106 will be described in the back in Fig. 4.In step S107, judge whether also will click further feature to be selected as the AF zone.Use U/D button 1165 to realize this selection.When no longer selecting other characteristic point, flow process advances to step S108, and in the time will selecting other characteristic point, flow process is returned step S104, at step S104 selected characteristic point is reset to the AF zone.May all not have so far to press switch 1162 by second.
At step S108, judge whether to supress and partly press switch 1162 and press switch 1163 entirely.When not pressing when pressing switch 1163 entirely, flow process is returned step S102, supresses when pressing switch 1163 entirely when judging, and flow process advances to the step S109 of Fig. 3.
At step S109, according to the result of calculation of AE calculating section 1121 with predetermined shutter speed and f-number on image-forming component 103 to being exposed by making body, and from the image data storage of image-forming component 103 outputs on buffer storage 105.At step S110, judge whether to be set to check focusing.Be similar to aforementioned setting, before shooting, use in advance the setting that will check focusing after the menu that will check focusing after button 1164 is selected to take is realized taking is set the extraction pattern.
At step S110, when judging when not checking focusing state, flow process advances to step S115, and when judging setting and will check focusing state, flow process advances to step S111.Be similar in step S106 inspection action, will provide the details of checking focusing state among the step S111 at Fig. 4 to focusing state.Similar with the demonstration of taking preceding inspection focusing state, amplification at this moment shows and it is presented in the square that dotted line is expressed shown in Figure 11.Amplifying the scope that shows is the preset range that comprises the AF zone, at a moment of pressing before pressing switch 1163 entirely its position and size is stored on the storage area 1125.
In addition, pressing when pressing switch 1163 back entirely and extracting characteristic point once more from shot image data, corresponding with the characteristic point of being extracted may be it have been carried out amplifying showing by making body.In this case, characteristic point is not newly to extract from captured general image screen, and only extracts from the preset range that sets before shooting, comprise the AF zone.Shorten like this and extract the required time.By after shooting, from view data, extracting as mentioned above by making body, can amplify demonstration mainly by the part of making body, even mainly moved, can realize still that also this amplification shows by making body.
At step S112, check and whether indicate storage.The example of a kind of method of storing with respect to the screen indication of checking focusing state is described below with reference to Figure 12.Figure 12 shows and explain to check the stacked situation of storage indication menu on Figure 11 of focusing state.As shown in figure 12, the amplification screen around press when pressing switch 1163 entirely, LCD display 109 demonstrates in the AF zone has been stacked under the situation of captured general image screen, the further stacked menu of selecting the storage indication on screen.Photographer uses U/D button 1165 to select Yes or the No one from this screen.When having selected Yes, flow process advances to step S115, and when both not selecting Yes also not select No, flow process advances to step S113.At step S113, check whether selected No, when having selected No, flow process advances to the step S116 that stores the view data deletion on the buffer storage 105 into.As an example of this delet method, the view data that stores on the buffer storage 105 does not store on the storage card 111, but can realize deletion on the buffer storage 105 by next shot image data can be covered.
If do not select No in step S113, flow process advances to step S114, judges after taking end whether passed through certain hour in S114.If also do not pass through certain hour, flow process is returned indications to be stored such as step S112.If passed through the regular hour, flow process advances to the step S115 that stores on storage card.Similarly, designed default setting is make to select two Yes that square frame centers on as shown in figure 12, in case and captured image data, just always image data storage in storage card 111, indicate deletion up to photographer.The certain hour here can be about one minute, perhaps can change according to photographer's wish.
After finishing stores processor, carry out that white balance, γ or compression are handled etc., in step S115, image data storage is in the predetermined file folder of storage card 111.About the file when storing, its details will adopt Fig. 5 and 6 to provide.When storage or deletion end, a series of shootings actions just are through with.
The focusing state inspection of having described below with reference to the detailed explanation of flow process of Fig. 4.In step S201, amplified that the screen of presumptive area is being stacked on the screen that has covered the complete visual angle that is stored in the view data on the buffer storage 105 on the LCD display 109 around the AF zone.Figure 11 illustrates an example of this demonstration.As shown in figure 11, in the screen center prescription frame people's face be extracted by making body.The character facial of being extracted is set at the AF zone here, and comprises that the amplification of the presumptive area in AF zone shows the square frame that is positioned at screen lower right corner dotted line.As for showing this stacked position, be not limited to such lower right corner, but can use be provided with button 1164 or U/D button 1165 select the upper right corner of screen, the lower left corner, the upper left corner or in the heart any.
Amplify demonstration and realize with electrical method, the initial enlargement ratio level setting that shows is that 4-5 times of level is as default situation.As for amplifieroperation, use button 1164 or U/D button 1165 are set.When display image data on LCD display 109, to reduce the view data of image-forming component 103 usually, but can be data not through reducing, the view data of pixel spare 103 be amplified to the resolution identical with LCD.For example, the pixel of supposing LCD display 109 is 100K, and the pixel of image-forming component 103 is 1M, and data presented has only 1/10th of resolution usually on LCD display 109 so, but can maximum be amplified to its ten times to it.
In step S202, judge whether in screen, to have selected the stacked display position of the small screen.When not selecting this position, flow process advances to step S204, when selecting this position, flow process advances to step S203, in S203 the small screen of having amplified is moved to selected position.In step S204, judge whether the indication amplification.If indication is amplified, flow process advances to step S206, and if the indication amplification just is amplified to the same big maximum amplification times yield with indicated amplification to image electronic.
In step S206, judge whether to be set to stop stacked demonstration.Thereby can by with step S105 in be provided with and check that the opposite mode of focusing state is provided with to remove and realize this termination.When being set to not stop stacked demonstration, this sequence just finishes in the state that always carries out stacked demonstration like this, when being set to stop stacked demonstration, stopping stacked demonstration and finishes this sequence at step S207.
With reference to figure 5 and 6, with provide in detail about in the step S115 of Fig. 3 when storage the select File folder the explanation of method.Up to the present, captured view data has stored in the file, and the name that this document anchor clamps have is produced according to shooting date/time automatically by digital camera, and does not consider the content of captured image.But, have during playback afterwards under the situation that much is used to the image of regenerating, if these images have just carried out classification by date and have preserved by this way, so after search want image the time just pretty troublesome.Particularly when taking the view data of portraits near at one time, will be difficult to find out the people's who wants view data as a lot.In order to address this problem, utilize present embodiment, each captured view data be designed to make its store into automatically with captured view data in mainly by in the making body corresponding file folder.
Shown in the flow chart of Fig. 5, for each mainly by making body, image data storage in each corresponding file folder.In the step S301 of Fig. 5, at first read the file name in the storage card 111 that inserts in the digital camera.At step S302, judge that whether file is arranged on the storage card 111 is corresponding with selected characteristic point.When corresponding file having been arranged on the storage card 111, flow process advances to step S304, and when not having corresponding file, flow process advances to step S303.In step S303, the new establishment and selected characteristic point corresponding file folder on storage card 111, flow process advances to step S304 then.At step S304, each image data storage to corresponding file and finish this step.
Even when from view data, extracting a plurality of characteristic point, also only consider selected characteristic point as described here, when not with selected characteristic point corresponding file folder, can newly create a file.
The flow chart description of Fig. 6 another embodiment, wherein from view data, extract a plurality of characteristic points.Here describe according to the order of priority of giving characteristic point the method for image data storage to the predetermined file folder.In this case, at first the user of digital camera stored in advance with by making body characteristic of correspondence dot information.How Fig. 8 shows characteristic point with characteristic point characteristic of correspondence dot information and stores a example on the storage area 1125 into.
In Fig. 8, with the order of priority record difference called after of prior setting such as these characteristic points of TARO, HANAKO, JIRO and SABURO.For the characteristic point information of TARO, have the order of priority that is used for selecting foregoing AF zone, being set is first order of priority.Utilize this set, for example when extracting TARO and JIRO simultaneously in the picture screen of taking, the zone that comprises TARO is set at the AF zone that has priority than the zone that comprises JIRO.Also can use button 1164 and U/D button 1165 setting of this order of priority of realization in advance are set.Whenever can both change this order of priority.For example SABURO begins not carry out any setting.
Secondly, for the characteristic point information of TARO, it is registration TARO characteristic point dat recorder record date.Here using the record date of (1) expression is that day of first registration TARO, in (2) and (3) the represented date then registered in addition condition with (1) different as partially, the further feature point that has of the TARO of shooting when turning one's head, wearing glasses etc.Similarly, do not have glasses or beard/beard to a plurality of registrations, improve accuracy of identification the people at the characteristic point of being extracted as same individual's characteristic point by having according to a people.About these characteristic points, on LCD display 109, show their register content, and can freely they be added or delete.Except order of priority with record date, the processing that also can store brief note, when detecting characteristic point, in storage or playback, work (white balance, profile being strengthened the setting of proofreading and correct etc.) and from the interval of characteristic point etc.
When setting the real data of characteristic point the characteristic point real data that must register is registered in the characteristic point data zone one by one (1) as TARO (1), HANAKO.Here real data is that normalization such as the relative position relation between eye widths, eyes and the nose, shape of face in the characteristic point of being extracted are pre-sizing.
Can be stored in the actual image that has been dwindled by the making body size that extracts in the storage area 1125 and do not store aforesaid characteristic point information and characteristic point data.Utilize this storage, when on LCD display 109, observing, can increase or delete by making body with by the relevant information of making body.
In the step S401 of Fig. 6, according to the information that is stored in characteristic point information inspection in the storage area 1125 order of priority corresponding with the characteristic point of being extracted.At step S402, read in the file of creating on the storage card 111.At step S403, judge first priority according to the order of priority that in step S401, judges.If there is corresponding file, flow process advances to step S407.If there is no corresponding file, flow process advances to step S404, judges whether to exist the characteristic point corresponding file with second priority to press from both sides at step S404.If there is such file, flow process advances to step S407, if there is no such file, and flow process advances to step S405.
In step S405, judge whether to be through with to whether there being the judgement of the characteristic point corresponding file folder that extracts with all.When judgement did not also finish, flow process was returned step S404, and when judging end, flow process advances to step S406.At this moment on storage card 111, do not press from both sides with all characteristic point corresponding file that extract, so in step S406, create a file according to the characteristic point that extracts, this document folder is corresponding with a characteristic point that equals first order of priority substantially, and flow process advances to step S407.At step S407, in the characteristic point corresponding file folder that view data writes and extracted, finish storing step then.
In the description of Fig. 6, when not pressing from both sides, just seek and next order of priority corresponding file folder, but as shown in Figure 5, also can create one and first order of priority corresponding file folder at once with the first order of priority corresponding file.In addition, when manual setting AF zone, owing to as being chosen in the AF zone by making body be not the characteristic point that always has first order of priority by making body, so with may be characteristic point by a corresponding characteristic point of making body in the AF zone with first order of priority.
When extracting a plurality of characteristic point, can be stored in same view data respectively on the characteristic point corresponding file folder that extracts with all.In this case, when not pressing from both sides with storage card 111 corresponding file, certainly can a newly-built file.But, if view data is a group photo, along with the number of file rolls up, the maximum number of preferred predetermined file folder.
On the other hand, for the storage medium of picture storage card 111 this finite capacities, preferably same view data is not stored into this method in the respective file folder respectively.The storage means of avoiding this storage mode is described below.At first image data storage in an independent specific file, also store simultaneously the relevant information of name with other file of wanting to store this view data.The information stores that also name of this independent specific file of handle and storing image data is relevant is in other file in addition.The name of a storage folder just can prevent from unnecessarily to reduce memory capacity by this way.When by this way image data storage to storage card 111 time, if view data moves to another when having on the very jumbo memory from storage card 111, be stored in the information relevant on each file and may just become useless with name file.For fear of this situation, when view data being moved to another from storage card 111 when having on the very jumbo memory, can be according to the information relevant that stored to the same view data of each file storage with name file.
Fig. 9 shows name that writes storage card 111 and the filename of storing view data thereon with tree structure.In Fig. 9, even name is the file of 01NIKON be storage those be not arranged on view data captured under the extraction pattern or under the extraction pattern shot image data but do not have the file of the view data of extract minutiae.In this document folder, also stored in addition those just therefrom the view data of extract minutiae and captured those do not have name, independent one by the view data of making body.Certainly, the folder of also can separately creating a file only store those do not have name by the view data of making body, and with its image data storage in this document folder.At this moment will give the name that can be different from other file and image data file to it, be 04NANASHI as the file name, the file of view data DSC04001 by name or the like.
The view data that file 02TARO or 03HANAKO take people TARO or HANAKO with the storage of first order of priority respectively among Fig. 9.
Figure 10 shows the file structure of the view data with name DSC02002.Image data file by storage from the view data zone of the actual image data of image-forming component output and the characteristic point information zone of the relevant information of the storage characteristic point of coming out from image data extraction constitute.Storage is about the information in the characteristic point size of the coordinate of order of priority, extracting position, the TARO that extracts from view data and HANAKO and the AF zone when taking this view data etc. in the characteristic point information zone.For the information relevant, wherein stored the rectangle that comprises the characteristic point that extracts coordinate in the upper left corner and the lower right corner with characteristic point size.For the information relevant with AF zone, wherein stored coordinate in the upper left corner and the lower right corner, in this Figure 10, wherein also stored and the position coordinates of the TARO with first order of priority and the same information of relevant information of size.
In Figure 10, stored together and the relevant information of all characteristic points that extracts and the AF that extracts zone with view data.By checking the information relevant of this storage, facilitate some specific personages' that search is being taken each view data on being stored in a plurality of files view data with characteristic point.Can certainly only store the information of characteristic point with view data together with first order of priority (in this example, being TARO).Similarly, can only store the information relevant together with view data with the AF zone.Certainly can also store the information of characteristic point and the information in AF zone together with view data with first order of priority.
Up to the present, the situation of the storage card 111 of only packing in digital camera has been described.But various types of storage cards 111 are arranged on market recently, and they not only have different memory capacity, and have different external shape and driving method.Therefore, being necessary provides a plurality of insertion grooves that are used for storage card 111 to digital camera, makes it possible to use the storage card 111 of number of different types.If digital camera is provided with a plurality of insertion grooves, can change storage card 111 according to the classification of above-mentioned view data.When on each storage card 111, storing, create file according to its classification certainly.
The focusing state of checking reproduced picture is described with Fig. 7.In step S501, judge whether the pattern of digital camera is set at playback mode.When setting playback mode, with carry out other and set same mode and use button 1164 is set.When judging when having set playback mode,, from storage card 111, read the view data of storage at step S502.At step S503, judge whether the camera pattern is set at the setting of checking focusing state.When mode initialization was being provided with of inspection focusing state, flow process advanced to step S504.Focusing state inspection action at step S504 is the same with the step S106 of Fig. 2.But when playback, just needn't bother from view data extract minutiae, judgement store together with view data described in Figure 10 and have the relevant information of the characteristic point of first order of priority or and the AF zone information of being correlated with, and can the stacked at once the small screen that is used to check focusing state.In addition, can also utilize electronics to amplify realizes amplifying.
After the inspection that finishes focusing state, flow process advances to step S505, judges in S505 whether playback mode is through with.When judging the playback mode end, this sequence just is through with, and is also carrying out if judge playback mode, and flow process is returned step S502 so, proceeds the image reproducing corresponding with photographer's instruction in step S502.

Claims (29)

1. digital camera comprises:
A display unit, its display image data;
An extraction element, it extracts from view data by the characteristic of making body; With
A controller, thereby it is controlled and shows its screen in the screen that cuts out preset range and the precalculated position on display unit, wherein this preset range comprise characteristic that at least a portion and extraction element extract from view data corresponding by making body.
2. digital camera as claimed in claim 1 further comprises:
An imaging device, it is taken by the making body image, thereby its middle controller control the screen with preset range be stacked in from the screen with complete visual angle of imaging device output, and on display unit, show stacked screen.
3. digital camera as claimed in claim 1 further comprises:
An AF device, it calculates in predetermined AF zone by the distance of making body; With
A setting device, it is set at the AF zone to preset range, this preset range comprise characteristic that at least a portion and extraction element extract corresponding by making body.
4. digital camera as claimed in claim 1 further comprises:
A choice device, it selects predetermined characteristic from the characteristic that extraction element extracts, thereby its middle controller control show a screen, this preset range with preset range comprise the characteristic selected with choice device corresponding by making body.
5. digital camera as claimed in claim 1 further comprises:
An amplifying device, its amplifies corresponding to the selected characteristic of choice device making body.
6. digital camera comprises:
An imaging device, it is taken by the making body image;
A display unit, its display image data;
An extraction element, it extracts from view data by the characteristic of making body;
A shooting indicating device, thus its indication imaging device begin to take by the storage of making body image on storage medium; With
A controller, thereby it controls the screen that a screen cutting with preset range is come out and the demonstration cutting is come out in the precalculated position of display unit, this preset range comprises that the characteristic that at least a portion and extraction element extract is corresponding by making body from view data, it is captured that this view data is that the shooting indication of indicating device is taken in the imaging device response.
7. digital camera as claimed in claim 6 further comprises:
A storage device, its storage extraction element is at the position of taking the indicating device indication shooting characteristic that eve extracted or at least one item in its size; With
A definite device, it determines described preset range according at least one in the position that is stored in the characteristic on the storage device or its size.
8. digital camera as claimed in claim 6 further comprises:
A storage device, its storage extraction element is at the position of taking the indicating device indication shooting characteristic that eve extracted or at least one item in its size; With
A definite device, its determines the extraction scope of utilizing extraction element to extract according to being stored at least one item in the position of the characteristic on the storage device or its size, thereby its middle controller is controlled and only extract definite determined extraction scope of device from view data, and this view data is that the shooting indication of imaging device response shooting indicating device is captured.
9. digital camera as claimed in claim 6 further comprises:
A time set, it is taken back institute elapsed time and carries out timing taking the indicating device indication; With
A storage device, when the time set timing during scheduled time, storage device image data storage on storage medium.
10. digital camera as claimed in claim 6 further comprises:
A receiving system, it receives the storage indication from the user; With
A storage device, when receiving system receives from user's storage indication, storage device image data storage on storage medium.
11. digital camera as claimed in claim 6 further comprises:
A receiving system, it receives the deletion indication from the user; With
A controller, thus it control when receiving system receives from user's deletion indication, just not image data storage to storage medium.
12. a digital camera comprises:
An imaging device, it is taken by the making body image;
An extraction element, it extracts from view data by the characteristic of making body;
A choice device, it is the predetermined portions in the characteristic that extracts of selective extraction device or corresponding to the predetermined characteristic part in the making body at least; With
A controller, thereby it controls the predetermined characteristic part correlation of selecting the imaging device shot image data with choice device in view data data connect, and an image data storage that connects with described data is to storage medium.
13. digital camera as claimed in claim 12 is the positional information relevant with the characteristic dimension information relevant with characteristic or corresponding with characteristic one of the identifying information that comes of being distinguished by making body with other by making body with the data of predetermined characteristic part correlation at least in it.
14. digital camera as claimed in claim 12 further comprises:
An AF device, it calculates in predetermined AF zone by the distance of making body; With
A setting device, it is set at the AF zone to presumptive area, and this presumptive area comprises the characteristic that at least a portion is selected by choice device.
15. digital camera as claimed in claim 12 further comprises:
A display unit, its display image data;
An indicating device, its indication playback is stored in the view data on the storage medium; With
A playback reproducer, the indication of its response indicating device the screen cutting with preset range is come out and in the precalculated position of display unit this screen of playback, this preset range comprise at least a portion by with the data regulation that is stored in the predetermined characteristic part correlation on the storage medium by making body.
16. digital camera as claimed in claim 15, wherein playback reproducer further comprises an amplifying device, and it amplifies this preset range.
17. a digital camera comprises:
An imaging device, it is taken by the making body image;
An AF device, it calculates in predetermined AF zone by the distance of making body; With
A controller, thus it control the imaging device shot image data connected with the data relevant with AF zone, and the image data storage that handle and described data connect is to storage medium.
18. digital camera as claimed in claim 17, in it with the relevant data in AF zone be at least with view data in one of the regional relevant positional information of AF or associated dimension information.
19. digital camera as claimed in claim 17 further comprises:
A display unit, its display image data;
An indicating device, its indication playback is stored in the view data on the storage medium; With
A playback reproducer, the indication of its response indicating device the screen cutting with preset range is come out and in the precalculated position of display unit this screen of playback, this preset range comprise at least a portion by with the data regulation that is stored in the predetermined characteristic part correlation on the storage medium by making body.
20. a digital camera comprises:
An extraction element, it extracts from view data by the characteristic of making body;
A sorter, it is categorized into view data in corresponding predetermined group of the characteristic that extracts with extraction element; With
A storage device, it according to the sorter sorting result image data storage to storage medium.
21. digital camera as claimed in claim 20, wherein storage device is in image data storage to a zone, this zone is the zone that holds a plurality of view data that belong to same group on storage medium jointly, and should the zone corresponding with a group of having been carried out classification by sorter.
22. digital camera as claimed in claim 20 further comprises:
A creation apparatus, it is created a zone and holds the view data of having been carried out classification by sorter jointly on storage medium.
23. digital camera as claimed in claim 22 further comprises:
A sniffer, whether its detection storage medium has a zone is held the view data of having been carried out classification by sorter, wherein do not have when holding sorter and having carried out view data regional of group of classification to storage medium when detection, creation apparatus is created zone and is held the view data that sorter has carried out the group of classifying on storage medium.
24. digital camera as claimed in claim 20 further comprises:
A judgment means, its judges in advance the order of priority of giving the characteristic that extraction element extracts, wherein when extraction element extracts a plurality of different characteristic from same view data, sorter is categorized into view data with judgment means and is judged as in the corresponding group of the characteristic of high priority.
25. digital camera as claimed in claim 24 further comprises:
A sniffer, whether its surveys storage medium and has and hold the zone of view data of having been carried out the group of classification by sorter; With
A creation apparatus, when detection does not have when being used to hold sorter and having carried out view data regional of group of classification to storage medium, creation apparatus is created a zone and is held jointly by sorter and carried out the view data of classifying on storage medium.
26. digital camera as claimed in claim 24 further comprises:
A sniffer, whether its surveys storage medium and has and hold the zone of view data of having been carried out the group of classification by sorter, wherein do not have when being used to hold this set of image data regional to storage medium when detection, storage device image data storage to the zone corresponding with the group of characteristic with inferior priority.
27. digital camera as claimed in claim 20, wherein storage device is stored on the storage medium corresponding with the classification results of sorter in a plurality of storage mediums.
28. a digital camera comprises:
An extraction element, it extracts from view data by the characteristic of making body;
A sorter, it is categorized into view data in corresponding predetermined group of the characteristic that extracts with extraction element; With
A creation apparatus, it is created a zone and holds the view data of having been carried out classification by sorter jointly on storage medium.
29. digital camera as claimed in claim 28 further comprises:
On the zone that storage device, the image data storage that it has carried out sorter classification are created by creation apparatus to the storage medium.
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