CN101626450A - Display device and image enlargement method thereof - Google Patents
Display device and image enlargement method thereof Download PDFInfo
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- CN101626450A CN101626450A CN200810302708A CN200810302708A CN101626450A CN 101626450 A CN101626450 A CN 101626450A CN 200810302708 A CN200810302708 A CN 200810302708A CN 200810302708 A CN200810302708 A CN 200810302708A CN 101626450 A CN101626450 A CN 101626450A
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Abstract
A display device comprises a display unit, a face recognition unit, a centre point searching unit, a mode select unit and an image magnification unit; wherein, the display unit is used to display an image; the face recognition unit is used to recognize the face in the image and select the face by dragging a rectangle over the face; the centre point searching unit is used to search the centre point of the selected face area; the mode select unit is used to select the image area to be magnified by dragging a rectangle over the area and using the centre point of the face area selected by the mode select unit; the image magnification unit is used to magnify the image area to be magnified which is selected by the mode select unit. The image can be magnified by the method that the image magnification unit of the display device of the invention is used to magnify the image area to be magnified which is selected by the mode select unit through dragging a rectangle over the image and by using the centre point of the face area which is confirmed by the centre point searching unit as the centre point, so as to ensure that the magnified human image can be completely displayed in the image.
Description
Technical field
The present invention relates to a kind of display and image magnification method thereof.
Background technology
Along with popularizing of digital camera, increasing people likes writing down dribs and drabs in the life with digital camera.Such as, people go tourism or can take some photos in lives.Sometimes may take vista shot, can make that like this personage's image is smaller.For the image with the personage amplifies, generally the image of taking can be carried out numeral and amplify.
Yet existing display such as digital photo frame can not only carry out the part at the personal portrait in the image and amplify.As shown in Figure 1, want personage's portrait is amplified, entire image must be amplified simultaneously.Personal portrait after the amplification possibly can't all intactly be shown in (as shown in Figure 2) in the image.
Summary of the invention
Therefore, be necessary to provide a kind of character image after guaranteeing to amplify intactly to be presented at display and image magnification method thereof in the picture.
A kind of display, it comprises:
A display unit is used for display image;
A face identification unit is used for people's face of recognition image, and the frame face zone of choosing;
A centre point searching unit is used to seek the central point of the human face region of frame choosing;
A mode selecting unit is that the enlarged image zone is treated in the Main subrack choosing with the central point in the human face region of centre point searching unit affirmation;
An image amplifying unit is used for the enlarged image zone for the treatment of of mode selecting unit frame choosing is amplified.
A kind of image magnification method, it may further comprise the steps:
(1) reading images;
(2) identification people face, and the frame face zone of choosing;
(3) central point of searching human face region;
(4) be that the enlarged image zone is treated in the Main subrack choosing with the central point of confirming;
(5) treat the enlarged image zone and carry out the image amplification.
Compared to prior art, central point is discerned in described centre point searching unit in the human face region of frame choosing, mode selecting unit is that the enlarged image zone is treated in the Main subrack choosing with the central point in the human face region of centre point searching unit identification, the image amplifying unit amplifies the enlarged image zone for the treatment of of mode selecting unit frame choosing, and the character image after therefore can guaranteeing to amplify intactly is presented in the image.
Description of drawings
Fig. 1 is the image before amplifying;
Fig. 2 is the image after the image among Fig. 1 amplifies;
Fig. 3 is the structural representation of display provided by the invention;
Fig. 4 is the image that shows through the display among Fig. 3;
Fig. 5 is another image that shows through the display among Fig. 3;
Fig. 6 is the image after the image process of Fig. 4 is amplified;
Fig. 7 is an image magnification method flow chart provided by the invention.
Embodiment
Below with reference to the drawings, the present invention is described in further detail.
See also Fig. 3, be a kind of display 100 provided by the invention, it can be electronics settings such as digital camera with video picture function, electronics frame, PDA(Personal Digital Assistant).This display 100 comprises a memory cell 10, a display unit 20, a face identification unit 30, a centre point searching unit 40, a mode selecting unit 50 and an image amplifying unit 60.Described memory cell 10 internal memories contain many images.Described display unit 20 is used for many images in the reading cells 10 and shows this image.Described face identification unit 30 is used for people's face of recognition image, and the frame face zone of choosing.Described centre point searching unit 40 is used to seek the central point of human face region.Described mode selecting unit 50 internal memories contain a plurality of predefined images and amplify framework, and the central point in the human face region of confirming with centre point searching unit 40 is that the Main subrack choosing treats that enlarged image zone, described image amplifying unit 60 are used for the enlarged image zone for the treatment of that mode selecting unit 50 frames are selected is amplified.
Described memory cell 10 can be a semiconductor memory or magnetic storage, preferably, is electrically-erasable memory.
Described display unit 20 is used to read and show the image of described memory cell 10 stored.In the present embodiment, described display unit 20 is a LCDs, and preferably, this display unit 20 is tangible formula.
Described face identification unit 30 is used for discerning people's face from the image that display unit 20 shows, and frame selects the human face region in the image.
Described centre point searching unit 40 is used for discerning central point in the human face region of face identification unit 30 frames choosing.For example, as shown in Figure 4, display unit 20 is of a size of 100mmX100mm, and in the present embodiment, these display unit 20 its lower lefts of acquiescence are the two-dimentional coordinate of initial point.Because the human face region of face identification unit 30 frames choosings is one square, have four angles, can draw the central point of this human face region according to the location coordinate at four angles.At this moment, centre point searching unit 40 is the center with the central point of the human face region of frame choosing.When occurring a plurality of people's face in the image simultaneously, each human face region all can be by 30 frame choosings of face identification unit (as shown in Figure 5), the respectively corresponding frame of each human face region, at this moment, centre point searching unit 40 is the center with the central point O of the diagonal angle line of the frame farthest of being separated by.Be appreciated that also and can origin of coordinate be set that the also available square frame frame of described face identification unit 30 selects everyone face according to different requirements.
Described mode selecting unit 50 internal memories contain a plurality of predefined images and amplify frameworks, and are that the enlarged image zone is treated in the Main subrack choosing with the central point O in the human face region of centre point searching unit 40 identifications.The area of predefined image magnification region is less than the area of described display unit 20 in the described mode selecting unit 50.Prestore images such as 10mmX10mm, 40mmX40mm or 90mmX90mm as mode selecting unit 50 simultaneously and amplify framework.After a selected image amplifies framework, be that the enlarged image zone is treated in the Main subrack choosing with the central point O in the human face region of centre point searching unit 40 identifications, preferably, the frame choosing treats that the enlarged image zone comprises all human face regions in the image.
Described image amplifying unit 60 is used for the enlarged image zone for the treatment of that mode selecting unit 50 frames are selected is amplified.Described image amplifying unit 60 moves to the position, central area of display unit 20 with the enlarged image zone for the treatment of of mode selecting unit 50 frames choosing, preferably, the central point O of centre point searching unit 40 identifications and the central point O ' on the display unit 20 is coincided.This image amplifying unit 60 and the enlarged image zone of selecting at frame for the treatment of are amplified to the area size of display unit 20.For example, Fig. 6 is the image after the image process of Fig. 4 is amplified, among Fig. 4, what mode selecting unit 50 was applied mechanically is the amplification framework of 40mmX40mm, therefore, central point O in the human face region that described mode selecting unit 50 is confirmed with centre point searching unit 40 be Main subrack select a 40mmX40mm preset area size treat the enlarged image zone, image amplifying unit 60 moves to the enlarged image zone for the treatment of of this frame choosing the center of display unit 20 and carries out the area size that 2.5 multiplying powers are amplified to display unit 20 at the enlarged image zone for the treatment of of mode selecting unit 50 frames choosing, obtains image shown in Figure 6.
Described display 100 can comprise further that also one takes unit 70, and this shootings unit 70 is used to absorb image, and image store that should picked-up is in described memory cell 10, or by described display unit 20 demonstrations.
See also Fig. 7, be image magnification method of the present invention, it may further comprise the steps:
S102: reading images;
Described display unit 20 reads many images of storage in the described memory cell 10.
S104: identification people face, and the frame face zone of choosing;
Can adopt face recognition technology to carry out recognition of face at the image that shows.As based on the face identification method of eigenface (PCA), the face identification method of line segment Hausdorff distance (LHD) or the face identification method of SVMs (SVM) etc.
S106: the central point of identification human face region;
Described display unit 20 its lower lefts of acquiescence are the two-dimentional coordinate of initial point.Because the human face region of face identification unit 30 frames choosings is one square, have four angles, can draw the central point of this human face region according to the location coordinate at four angles.
S108: with the central point O that confirms is that the enlarged image zone is treated in the Main subrack choosing;
S110: treat the enlarged image zone and carry out the image amplification.
To treat that the enlarged image zone moves to the center of display unit 20 and at treating that the enlarged image zone is amplified to the area size of display unit 20.
Described image magnification method, taking a step forward at step S102 comprises the picked-up image.Described image unit 70 absorbs images, carries out the image processing and amplifying or directly carries out the image processing and amplifying without storage after the image of this picked-up is stored.
Described image magnification method, also further comprising a step behind the step S110: the image after will amplifying is stored.
Central point is discerned in described centre point searching unit in the human face region of frame choosing, mode selecting unit is that the enlarged image zone is treated in the Main subrack choosing with the central point in the human face region of centre point searching unit identification, the image amplifying unit amplifies the enlarged image zone for the treatment of of mode selecting unit frame choosing, and the character image after therefore can guaranteeing to amplify intactly is presented in the image.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change the protection range that all should belong to claim of the present invention with distortion.
Claims (11)
1. display, it comprises:
A display unit is used for display image;
A face identification unit is used for people's face of recognition image, and the frame face zone of choosing;
A centre point searching unit is used to seek the central point of the human face region of frame choosing;
A mode selecting unit is that the enlarged image zone is treated in the Main subrack choosing with the central point in the human face region of centre point searching unit affirmation;
An image amplifying unit is used for the enlarged image zone for the treatment of of mode selecting unit frame choosing is amplified.
2. display as claimed in claim 1, it is characterized in that: described mode selecting unit internal memory contains a plurality of predefined images and amplifies frameworks, this image amplify framework be used for the central point in the human face region be Main subrack select a preset area treat the enlarged image zone.
3. display as claimed in claim 1 is characterized in that: when people's face occurring in the image, described face identification unit frame selects this human face region, and described centre point searching unit is the center with the central point of the human face region of frame choosing.
4. display as claimed in claim 1 is characterized in that: when occurring a plurality of people's face in the image simultaneously, described face identification unit frame selects each human face region, and described centre point searching unit is the center with the central point of the diagonal angle line of the frame farthest of being separated by.
5. display as claimed in claim 1 is characterized in that: described display further comprises a memory cell, and described memory cell contains many images and reads for described display unit.
6. display as claimed in claim 1 is characterized in that: described display comprises that further one takes the unit, is used for filmed image, and the image store of this shooting is in described memory cell.
7. display as claimed in claim 1 is characterized in that: described image amplifying unit moves to the enlarged image zone for the treatment of of this frame choosing the center of display unit and carries out the area size that image is amplified to display unit at the enlarged image zone for the treatment of of mode selecting unit frame choosing.
8. display as claimed in claim 1 is characterized in that: described display is a kind of in digital camera, electronics frame, the personal digital assistant.
9. image magnification method, it may further comprise the steps:
(1) reading images;
(2) identification people face, and the frame face zone of choosing;
(3) central point of searching human face region;
(4) be that the enlarged image zone is treated in the Main subrack choosing with the central point of confirming;
(5) treat the enlarged image zone and carry out the image amplification.
10. image magnification method as claimed in claim 9 is characterized in that: the preceding step that also further comprises of described step (1): picked-up image and the image that will absorb are stored.
11. image magnification method as claimed in claim 9 is characterized in that: also further comprise a step after the described step (5): the image after amplifying is stored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200810302708A CN101626450A (en) | 2008-07-11 | 2008-07-11 | Display device and image enlargement method thereof |
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| CN200810302708A CN101626450A (en) | 2008-07-11 | 2008-07-11 | Display device and image enlargement method thereof |
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| CN101626450A true CN101626450A (en) | 2010-01-13 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093175A (en) * | 2011-10-27 | 2013-05-08 | 上海德致伦电子科技有限公司 | Face identification system on chip based on field programmable gate array (FPGA) |
| CN103093176A (en) * | 2011-10-27 | 2013-05-08 | 上海德致伦电子科技有限公司 | Face detecting chip and face detecting equipment |
| CN104331860A (en) * | 2014-11-24 | 2015-02-04 | 小米科技有限责任公司 | Checking method and device for picture |
| CN105678251A (en) * | 2015-12-31 | 2016-06-15 | Tcl海外电子（惠州）有限公司 | Face image processing method and device |
| CN105867858A (en) * | 2016-03-22 | 2016-08-17 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| EP2605117A3 (en) * | 2011-12-12 | 2016-10-26 | Sony Mobile Communications Japan, Inc. | Display processing device |
| CN107527604A (en) * | 2013-12-23 | 2017-12-29 | 华为终端（东莞）有限公司 | A kind of photo display methods and user terminal |
| CN108268200A (en) * | 2018-01-22 | 2018-07-10 | 北京市商汤科技开发有限公司 | Image processing method and device, electronic equipment, computer program and storage medium |
| CN109840059A (en) * | 2019-01-29 | 2019-06-04 | 北京字节跳动网络技术有限公司 | Method and apparatus for displaying images |
| CN112258393A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力电器股份有限公司 | Method, device and equipment for displaying picture |
| CN112288623A (en) * | 2020-06-09 | 2021-01-29 | 北京沃东天骏信息技术有限公司 | Picture scaling method, device, equipment and storage medium |
| CN113256675A (en) * | 2020-02-12 | 2021-08-13 | 夏普株式会社 | Electronic device, display control method, and recording medium |
-
2008
- 2008-07-11 CN CN200810302708A patent/CN101626450A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093176A (en) * | 2011-10-27 | 2013-05-08 | 上海德致伦电子科技有限公司 | Face detecting chip and face detecting equipment |
| CN103093175A (en) * | 2011-10-27 | 2013-05-08 | 上海德致伦电子科技有限公司 | Face identification system on chip based on field programmable gate array (FPGA) |
| US10296205B2 (en) | 2011-12-12 | 2019-05-21 | Sony Corporation | User interface for controlling a display scale of an image |
| EP2605117A3 (en) * | 2011-12-12 | 2016-10-26 | Sony Mobile Communications Japan, Inc. | Display processing device |
| CN107527604A (en) * | 2013-12-23 | 2017-12-29 | 华为终端（东莞）有限公司 | A kind of photo display methods and user terminal |
| CN104331860A (en) * | 2014-11-24 | 2015-02-04 | 小米科技有限责任公司 | Checking method and device for picture |
| CN105678251A (en) * | 2015-12-31 | 2016-06-15 | Tcl海外电子（惠州）有限公司 | Face image processing method and device |
| CN105678251B (en) * | 2015-12-31 | 2019-10-01 | Tcl海外电子（惠州）有限公司 | Face image processing process and device |
| CN105867858A (en) * | 2016-03-22 | 2016-08-17 | 广东欧珀移动通信有限公司 | Control method, control device and electronic device |
| CN108268200A (en) * | 2018-01-22 | 2018-07-10 | 北京市商汤科技开发有限公司 | Image processing method and device, electronic equipment, computer program and storage medium |
| CN109840059A (en) * | 2019-01-29 | 2019-06-04 | 北京字节跳动网络技术有限公司 | Method and apparatus for displaying images |
| CN109840059B (en) * | 2019-01-29 | 2020-05-15 | 北京字节跳动网络技术有限公司 | Method and apparatus for displaying image |
| CN113256675A (en) * | 2020-02-12 | 2021-08-13 | 夏普株式会社 | Electronic device, display control method, and recording medium |
| CN112288623A (en) * | 2020-06-09 | 2021-01-29 | 北京沃东天骏信息技术有限公司 | Picture scaling method, device, equipment and storage medium |
| CN112258393A (en) * | 2020-10-26 | 2021-01-22 | 珠海格力电器股份有限公司 | Method, device and equipment for displaying picture |
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Application publication date: 20100113 |