CN104253932A - Camera device and image streaming media output method - Google Patents
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- CN104253932A CN104253932A CN201310259656.0A CN201310259656A CN104253932A CN 104253932 A CN104253932 A CN 104253932A CN 201310259656 A CN201310259656 A CN 201310259656A CN 104253932 A CN104253932 A CN 104253932A
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Abstract
The invention relates to a camera device and an image streaming media output method. The camera device comprises a sensor and a control module; the sensor outputs first image data or second image data; and when the camera device is connected to an external device, the control module enables the camera device to transmit the first image data to the external device; or when the camera device is disconnected with the external device, the control module enables the sensor to output the second image data. The first image data and the second image data respectively have a plurality of pictures; each first image data picture has A pixels and each second image data picture has B pixels, wherein A is larger than B.
Description
Technical field
The present invention relates to a kind of camera head and its image stream media output intent, and in particular to a kind of camera head of exportable image stream media and its image stream media output intent.
Background technology
General digital camera, in use, often can be viewed and admired by bringing or inspect current scenery.Existing digital camera, when providing image stream media, understands the picture that output pixel number is fixed and speed is fixing for normal.
But if existing digital camera only provides the picture with fixed pixel number, and the picture speed provided remains unchanged, then want image stream media to transfer to another device once user, then cannot have preferably image quality.
Summary of the invention
The object of the present invention is to provide a kind of camera head and its image stream media output intent, camera head can be allowed when connecting external device (ED), good image stream media quality is provided.
According to the present invention, propose a kind of camera head, comprise a sensor and a control module.Sensor exports one first image data or one second image data.Control module, when camera head connects an external device (ED), makes camera head transmit the first image data to external device (ED), or when camera head and external device (ED) disconnect, makes sensor export the second image data.First image data and the second image data have multiple picture respectively, and the picture of each the first image data has A pixel, and the picture of each the second image data has B pixel, and A > B.
According to the present invention, propose a kind of camera head, comprise a sensor and a control module.Sensor exports one first image data.Control module, when camera head is electrically connected an external device (ED), makes camera head export the first image data, and when camera head and external device (ED) disconnect, stops output first image data.
According to the present invention, propose a kind of camera head, comprise an optical lens and a sensor.Sensor sensing penetrates multiple light beams of optical lens, and transforms the light beam into one first image data or one second image data.When camera head connects an external device (ED), provide the first image data to external device (ED).When camera head and external device (ED) disconnect, export the second image data, and the pixel count of the picture of the first image data is greater than the pixel count of the picture of the second image data.
According to the present invention, propose a kind of image stream media output intent, be applied to a camera head, camera head has a sensor and a control module, and the method comprises the following steps.When camera head enters an image stream media output mode, sensor is utilized to export one second image data.Know whether camera head is connected with an external device (ED) by control module.In this way, then make sensor export one first image data, and make the first image data be sent to external device (ED).The pixel count of the picture of the first image data is greater than the pixel count of the picture of the second image data.
According to the present invention, propose a kind of image stream media output intent of camera head, the method comprises the following steps.In an image stream media output mode, know whether camera head connects an external device (ED) by a control module.In this way, then provide one first image data to external device (ED) by a sensor.As no, then provide one second image data by sensor, and the pixel count of the picture of the second image data is not more than the pixel count of the picture of the first image data.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the camera head of the embodiment of the present invention;
Fig. 2 illustrates the flow chart of the image stream media output intent of the camera head according to the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, structural principle of the present invention and operation principle are described in detail:
Fig. 1 illustrates the schematic diagram of the camera head of the embodiment of the present invention.Camera head 100 comprises optical lens 10, sensor 20 and a control module 30.The light beam L coming from object by optical lens 10 converging beam, with imaging on sensor 20.Sensor 20 senses light beam L and light beam L is converted to one first image data or one second image data.Control module 30 makes sensor 20 export the first image data or the second image data, and then reads and calculate the first image data and the second image data.Wherein, sensor 20 can adopt photosensitive coupling element (Charge Coupled Device, CCD) or Complimentary Metal-Oxide semiconductor (Complementary Metal-Oxide Semiconductor, CMOS).Control module 30 can adopt Application Specific Integrated Circuit (Application-Specific Integrated Circuit, ASIC), central processing unit (Central Processing Unit, or digital arithmetic processor (Digital Signal Processing, DSP) CPU).
In an embodiment, when camera head 100 connects an external device (ED) 150, sensor 20 can directly provide the first image data to give external device (ED) 150, or, first export the first image data to control module 30, after computing being carried out to the first image data by control module 30, then transmit the first image data after computing and give external device (ED) 150.When camera head 100 disconnects with external device (ED) 150, that is camera head 100 be not yet connected with external device (ED) 150 before or with after external device (ED) 150 cuts off and is connected, then sensor 20 exports the second image data.In addition, camera head 100 also can comprise a mnemon 50, stores the various image datas exported by sensor 20, or storage exports control module 30 to by sensor 20, then by the image data after control module 30 computing.
In one embodiment, external device (ED) 150 can have the first screen 45.After external device (ED) 150 receives the first image data, the first image data can be play by the first screen 45.
In another embodiment, camera head 100 also can have the second screen 40, and when camera head and external device (ED) 150 disconnect, sensor 20 exports the second image data.Now, the second image data directly can be sent to the second screen 40, or after first can carrying out computing by control module 30, then transmit the second image data to the second screen 40 after computing.
First image data and the second image data comprise multiple the pictures continued respectively and form image stream media.Wherein, the picture of each the first image data has A pixel (pixel), and the picture of each the second image data has B pixel, and A > B.In other words, the pixel count of each picture of the first image data is greater than the pixel count of each picture of the second image data.In addition, the picture output speed (frame rate) forming the first image data of image stream media also can be greater than the picture output speed of the second image data.For example, the first image data can have 1.33M(1332x1000) the picture output speed of individual pixel and 119.88frame/s, the second image data can have 440k(1332x332) the picture output speed of individual pixel and 29.97frame/s.
But the present invention is not defined in this, first image data can according to parameters such as the size of the first screen 45 of the default external device (ED) 150 that can support and resolution, preset pixel count and the picture output speed of the first image data, and in be built in camera head 100.Similarly, the pixel count of the second image data and picture output speed also can according to usefulness such as the hardware of camera head 100 and firmwares, preset other pixel count and the picture output speed parameter as the second image data.Moreover in an embodiment, the pixel count of the first image data is greater than the pixel count of the second image data, and the picture output speed of the second image data is greater than the picture output speed of the first image data.In addition, external device (ED) 150 is including but not limited to being computer, TV or Portable mobile device, and camera head 100 also can not have the second screen 40.
For example, in another embodiment, when camera head 100 connects external device (ED) 150, then camera head 100 transmits the first image data that sensor 20 exports and gives external device (ED) 150; When camera head 100 disconnects with external device (ED) 150, then sensor 20 stops output first image data.Wherein, camera head 100 can be without in have the second screen 40 or the second screen 40 is not activated, and then can, when camera head 100 disconnects with external device (ED) 150, make sensor 20 stop output first image data, to save electric power.
In another embodiment, sensor 20 in time not exporting the first image data, still sustainable output second image data.Wherein, camera head 100 has the second screen 40 in can being, and camera head 100 can be judge whether that external device 150 transmits the first image data by control module 30, and whether make sensor 20 stop output first image data or start to export the second image data.
In addition, in an embodiment, camera head 100 can be connected with external device (ED) 150 by wire transmission, Radio Transmission Technology or network transmission technology, and by this first image data is sent to external device (ED) 150 from camera head 100.Wherein, such as wire transmission can be adopt high resolution multimedia interface (High-Definition Multimedia Interface, HDMI) or USB (Universal Serial Bus, USB); Wireless transmission can be adopt wireless telecommunications (Wireless Fidelity, Wi-Fi) or Bluetooth technology, but not as limit.
Simultaneously with reference to Fig. 1 and Fig. 2.Fig. 2 illustrates the flow chart of the image stream media output intent of the camera head according to the embodiment of the present invention.Below the function mode of each item of camera head 100 is more described in detail with flow chart.But the process step of Fig. 2 does not limit to the camera head 100 being applied to Fig. 1.The camera head 100 of Fig. 1 does not limit to the process step being applied to Fig. 2 yet.
In step S
11in, camera head 100 enters an image stream media output mode.
In step S
101in, control module 30 judges whether camera head 100 connects external device (ED) 150.If so, then step S is performed
102, otherwise, perform step S
103.
In step S
102in, start to transmit the first image data that sensor 20 exports to external device (ED) 150.Then, step S is performed
104.
In step S
103in, sensor 20 exports the second image data.Wherein, the second image data exported by sensor 20 can be sent to control module 30, after carrying out signal transacting, is resent to the second screen 40 via control module 30.Then, step S is performed
104.
In step S
104in, after camera head 100 receives the instruction of making video recording, enter dynamic image acquisition pattern (step S
114), or after the instruction receiving photography, enter static image acquisition pattern (step S
124).If enter dynamic image acquisition pattern, then perform step S
115if select to enter static image acquisition pattern, then perform step S
126.Specifically, camera head 100 can be enter static image acquisition pattern and dynamic image acquisition pattern according to pattern setting.
In step S
115in, after user presses execute key, enter mobile state image capture pattern.Now, camera head 100 captures dynamic image by sensor 20.In one embodiment, sensor 20 exports one the 3rd image data to control module 30.Wherein, the pixel count of the 3rd image data and output speed can be consistent with the first image data or the second image data, but also can with the first image data and the second image data different.For example, the 3rd image data can be 640x480pixels(SD pattern) or 1280x720pixels(HD pattern).Moreover sensor 20 directly can export the 3rd image data or after carrying out signal transacting by control module 30, the 3rd image data after corresponding output processing, and is stored in mnemon 50 by the 3rd image data.After camera head 100 dynamic image has captured, step S can be got back to
11image stream media output mode.
In step S
126in, can be provide the second image data to control module 30 by sensor 20.If it should be noted that according to step S
103, step S
124, step S
126order enter step S
127, now namely sensor 20 exports the second image data; If according to step S
102, step S
124, step S
126order enter step S
127, then sensor 20 is output first image datas, and now sensor 20 first can be converted to output second image data by output first image data.Then, step S is performed
127.
In step S
127in, according to the instruction of user, control module 30 carries out light-metering or focusing according to the second image data.
Then, in step S
128in, once user bestow shooting instruction after, carry out static image acquisition pattern, camera head 100 carries out static image acquisition according to the result of light-metering and focusing.After completing, step S can be got back to
11image stream media output mode.
In addition, in another embodiment, the image stream media output intent of camera head 100 also first can judge that camera head 100 has the second screen 40 in being, then carries out judging whether camera head 100 connects external device (ED) 150(step S
101).For example, when camera head 100 and external device (ED) 150 disconnect and have the second screen 40 in camera head 100, then step S is carried out
103, provide the second image data to the second screen 40 by sensor 20.In addition, when camera head 100 and external device (ED) 150 disconnect and camera head 100 without built-in second screen 40 or do not start the second screen 40, then sensor 20 stops output first image data and the second image data.
Moreover, in another embodiment, in step S
104in, after camera head 100 receives the instruction of photography, enter step S
124static image acquisition pattern, and then enter step S again
126.Wherein, in step S
126in, sensor 20 still continues output first image data to control module 30.Then, in step S
127in, after receiving the instruction of user, control module 30 carries out light-metering or focusing according to the first image data.Finally, in step S
128in, after user bestows photography instruction, namely camera head 100 carries out static image acquisition according to the result of light-metering and focusing, and after static image has captured, can get back to step S
11image stream media output mode.
In embodiments of the present invention, camera head 100 wired, wireless or network transmission technology can be connected with external device (ED) 150 by one.For example, can USB (USB), high resolution multimedia interface (HDMI), audio-visual transmission standard (including but not limited to Thunderbolt), or the Radio Transmission Technology such as bluetooth, wireless telecommunications (wifi), carry out the connection of camera head 100 and external device (ED) 150.In addition, whether the image that camera head 100 produces exports external device (ED) 150 to, by the setting of camera head 100 itself, or can decide via the manipulation of the application program (application) in external device (ED) 150.Such as, by pressing function key, the virtual functions key of camera head 100 or external device (ED) 150, or executive utility determines whether exporting external device (ED) 150 to, also automatically can be detected by outer camera head 100, if connect (no matter being with wired, wireless or network transmission technology) upper external device (ED) 150, then carry out the output of the first image.
From above-described embodiment, whether camera head of the present invention is by connecting external device (ED), determine that sensor is to have the first output mode of higher pixel and framework speed, or the second output mode of lower pixel and framework speed carries out image output, and then have power saving and image quality concurrently.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (11)
1. a camera head, is characterized in that, comprising:
One sensor, exports one first image data or one second image data; And
One control module, when this camera head connects an external device (ED), makes this camera head transmit this first image data to this external device (ED), or when this camera head and this external device (ED) disconnect, makes this sensor export this second image data;
Wherein this first image data and this second image data have multiple picture respectively, and the picture of each this first image data has A pixel, and the picture of each this second image data has B pixel, and A > B.
2. a camera head, is characterized in that, comprising:
One sensor, exports one first image data; And
One control module, when this camera head is electrically connected an external device (ED), makes this camera head export this first image data, and when this camera head and this external device (ED) disconnect, stops exporting this first image data.
3. a camera head, is characterized in that, comprising:
One optical lens; And
One sensor, sensing penetrates multiple light beams of this optical lens, and the plurality of light beam is converted to one first image data or one second image data;
Wherein when this camera head connects an external device (ED), there is provided this first image data to this external device (ED), when this camera head and this external device (ED) disconnect, export this second image data, and the pixel count of the picture of this first image data is greater than the pixel count of the picture of this second image data.
4. the camera head according to any one of claims 1 to 3, is characterized in that, this camera head is electrically connected this external device (ED) by wired, wireless or network transmission technology.
5. the camera head according to any one of claims 1 to 3, is characterized in that, this external device (ED) comprises one first screen, and this camera head more comprises one second screen.
6. an image stream media output intent, is applied to a camera head, and this camera head has a sensor and a control module, and it is characterized in that, the method comprises:
When this camera head enters an image stream media output mode, this sensor is utilized to export one second image data; And
Know whether this camera head is connected with an external device (ED) by this control module;
In this way, then make this sensor export one first image data, and make this first image data be sent to this external device (ED);
Wherein the pixel count of the picture of this first image data is greater than the pixel count of the picture of this second image data.
7. an image stream media output intent for camera head, it is characterized in that, the method comprises:
In an image stream media output mode, know whether this camera head connects an external device (ED) by a control module;
In this way, then provide one first image data to this external device (ED) by a sensor;
As no, then provide one second image data by this sensor, and the pixel count of the picture of this second image data is not more than the pixel count of the picture of this first image data.
8. the method according to claim 6 or 7, is characterized in that, when this camera head connects this external device (ED), more comprises:
When this camera head enters a static image acquisition pattern, this sensor is made to export this second image data; And
Light-metering or focusing is carried out according to this second image data.
9. the method according to claim 6 or 7, is characterized in that, more comprises:
When this camera head enters a dynamic image acquisition pattern, this sensor is made to export one the 3rd image data.
10. the method according to claim 6 or 7, is characterized in that, more comprises this first image data and this second image data that this control module receives the output of this sensor, and carries out image processing.
11. methods according to claim 6 or 7, is characterized in that, with one, wired, wireless or network transmission technology is connected with this external device (ED) this image processor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310259656.0A CN104253932A (en) | 2013-06-26 | 2013-06-26 | Camera device and image streaming media output method |
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|---|---|---|---|
| CN201310259656.0A CN104253932A (en) | 2013-06-26 | 2013-06-26 | Camera device and image streaming media output method |
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Application publication date: 20141231 |