CN103095988A - Multi-purpose camera system and electronic device - Google Patents
Multi-purpose camera system and electronic device Download PDFInfo
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- CN103095988A CN103095988A CN2012104318828A CN201210431882A CN103095988A CN 103095988 A CN103095988 A CN 103095988A CN 2012104318828 A CN2012104318828 A CN 2012104318828A CN 201210431882 A CN201210431882 A CN 201210431882A CN 103095988 A CN103095988 A CN 103095988A
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Abstract
The present invention provides a multi-purpose camera system and an electronic device. The multi-purpose camera system comprises an image capturing module and an image signal processing module, wherein the image capturing module generates image signals and comprises an image sensor, an optical system and a control circuit, and the image single processing module processes the image signals. The multi-purpose camera system serves as a camera for generating output of captured images during a first operation mode, and serves as a part of a user input apparatus for receiving user input during a second operation mode. Overall setting of the control circuit and the image signal processing module during the first operation mode is different from that during the second operation mode. The multi-purpose camera system and the electronic device can realize functions of an electronic mouse, a directional button/ a directional key or a touch screen.
Description
Technical field
The invention relates to camera system, particularly relevant for a kind of multipurpose camera system and electronic installation of supporting general camera function and additional user's input function.
Background technology
Traditional functional mobile phone (feature phone) is equipped with arrow button (directional button) or the directionkeys (directional pad) of a plurality of standards.In general, the arrow button/directionkeys of standard is consisted of with mechanical structure, and therefore, the user just will input must firmly press arrow button/directionkeys.In addition, because the arrow button/directionkeys of standard is to realize with mechanical structure, the sensitivity meeting is along with increasing service time and reducing.
Therefore, the modified form user interface that needs a kind of arrow button/directionkeys that can replace standard to input easily and exactly to reduce costs and to allow the user.
Summary of the invention
In view of this, the present invention proposes a kind of multipurpose camera system and electronic installation of user's input function of supporting the general camera function and adding.
According to an embodiment of the present invention, provide a kind of multipurpose camera system.This multipurpose camera system comprises image capture piece and picture signal processing block.This image capture piece produces picture signal, and wherein the image capture piece comprises imageing sensor, optical system and control circuit.This picture signal processing block is processed picture signal.When this multipurpose camera system operated in the first operator scheme, this multipurpose camera system was caught the camera of image output as generation; When this multipurpose camera system operated in the second operator scheme, this multipurpose camera system was as the part of the user's input unit that receives user's input; And control circuit and picture signal processing block are different from control circuit and the configured in one piece of picture signal processing block under the second operator scheme in the configured in one piece under the first operator scheme.
According to another execution mode of the present invention, provide a kind of electronic installation.This electronic installation comprises multipurpose camera system and user's imput process system.This multipurpose camera system comprises image capture piece and picture signal processing block.The image capture piece produces picture signal, and wherein the image capture piece comprises imageing sensor, optical system and control circuit.The picture signal processing block is processed picture signal, and wherein when this multipurpose camera system operated in the first operator scheme, this multipurpose camera system was caught the camera of image output as generation; When this multipurpose camera system operated in the second operator scheme, the multipurpose camera system received user's input as the part of user's input unit; And control circuit and the configured in one piece of picture signal processing block under the first operator scheme are different from control circuit and picture signal processing block in the configured in one piece of the second operator scheme.In the second operator scheme, user's imput process system is as another part of user's input unit, and by processing the image output of picture signal processing block, comes identification user input.
According to the another execution mode of the present invention, provide a kind of multipurpose camera system that is incorporated in portable electronic devices.This multipurpose camera system comprises image capture piece and picture signal processing block.The image capture piece produces picture signal.The picture signal processing block is processed picture signal.When this multipurpose camera system operated in the first operator scheme, the multipurpose camera system was as the camera that produces captured images output; And when this multipurpose camera system operated in the second operator scheme, this multipurpose camera system was the part as user's input unit, received user's input.
Multipurpose camera system provided by the present invention and electronic installation can switch in different operation modes, can realize the function of optical mouse, arrow button/directionkeys or touch-screen.
Description of drawings
Fig. 1 is the calcspar according to the electronic installation of embodiment of the present invention.
Fig. 2 is the schematic diagram of the exemplary realization of multipurpose camera system shown in Figure 1.
Fig. 3 is the flow chart according to the pattern handover operation of the multipurpose camera system of embodiment of the present invention.
Fig. 4 is the schematic diagram of the exemplary realization of user's imput process system shown in Figure 1.
Fig. 5 is the flow chart of state of the successive image frame of the performed recognisable image of user's imput process system output.
Embodiment
Used some vocabulary to censure specific element in the middle of specification and claims.It will be appreciated by those skilled in the art that electronic equipment set manufacturer may call same element with different nouns.This specification and claims book not with the difference of title as the mode of distinguishing element, but with element the difference on function as the criterion of distinguishing.In the middle of specification and claims, be open term mentioned " comprising " in the whole text, therefore should be construed to " comprise but be not limited to ".In addition, " couple " word this for comprise any directly and indirectly be electrically connected means.Therefore, be coupled to the second device if describe first device in literary composition, represent that described first device can directly be electrically connected in described the second device, or indirectly be electrically connected to described the second device by other devices or connection means.
Main idea of the present invention is to use camera system as the part of user's input unit, in other words, the present invention be directed to the multipurpose camera system of supporting the multiple operation pattern, for example, when the multipurpose camera system operates in the first operator scheme, the multipurpose camera system is as general camera, and when the multipurpose camera system operated in the second operator scheme, the multipurpose camera system was as the part of user's input unit.Next further details can be described.
Fig. 1 is the calcspar according to the electronic installation 100 of embodiment of the present invention.Electronic installation 100 can be portable electronic devices (for example, has the multipurpose camera system and be integrated in wherein mobile phone).As shown in Figure 1, electronic installation 100 is including (but not limited to) multipurpose camera system 102 and user's imput process system 104.Multipurpose camera system 102 comprises image capture piece 106 and picture signal processing block 108, and wherein image capture piece 106 comprises optical system (optical system) 112, imageing sensor (image sensor) 114 and control circuit 116.Image capture piece 106 produces picture signal S_IMG, and picture signal processing block 108 is processed picture signal S_IMG to produce image output IMG_OUT1/IMG_OUT2.When multipurpose camera system 102 operates in the first operator scheme (for example, the general camera pattern), multipurpose camera system 102 is as the camera that produces the image output IMG_OUT1 that catches.Yet, when multipurpose camera system 102 (for example operates in the second operator scheme, the certain camera pattern, be the optical mouse pattern) time, multipurpose camera system 102 is as the part of user's input unit, receive user's input and produce accordingly image output IMG_OUT2, in addition, 104 another part as user's input unit of user's imput process system, and by process the image output IMG_OUT2 of picture signal processing block 108 under the second operator scheme, pick out user's input.It should be noted that control circuit 116 and picture signal processing block 108 are different from control circuit 116 and the configured in one piece of picture signal processing block 108 under the second operator scheme in the configured in one piece under the first operator scheme (overall configuration).
Please refer to Fig. 2, Fig. 2 is the schematic diagram of the exemplary realization of multipurpose camera system 102 shown in Figure 1.As shown in Figure 2, the control circuit 116 in image capture piece 106 can comprise focus control module (focus control module) 202 and exposure control module (exposure control module) 204.Optical system 112 can comprise lens module, and its focus settings and exposure settings (for example, aperture (aperture) size and/or shutter (shutter) speed) are to be controlled by focus control module 202 and exposure control module 204 respectively.About picture signal processing block 108, it comprises a plurality of signal processing modules (for example, pre-process (pre-processing) module 212, white balance (white balance) module 214, demosaicing (demosaic) module 216, color space conversion (color transform) module 218 and rearmounted (post-processing) module 220 of processing).Pre-process module 212 can be carried out dark current compensation (dark current compensation), linearisation (linearization), dazzle light compensation (flare compensation) etc.White balance module 214 can be by red (R) to image, and green (G) uses different weight factors from the part of blue (B), comes white balance is carried out the automatic/hand compensation.Demosaicing module 216 can estimate the pixel color value that imageing sensor 114 is not measured/sensed with neighborhood pixels information.Color space conversion module 218 can be converted to another color space from a color space (color space) with color, for example, color space conversion module 218 can be carried out the color space conversion of RGB to YUV on coloured image, to obtain the image of brightness (Y) and chroma (UV).Rearmounted processing module 220 can be carried out the color defective and remove (color-artifact removal), intensify image edge (edge enhancement), noise reduction (coring) etc.
(but the present invention is not as limit) for instance, by at least one signal processing module/control module of forbidden energy and/or control at least one signal processing module/control module and (for example use algorithms of different, the algorithm of simplifying or the algorithm of low-power consumption (low-power)), can change the configured in one piece of control circuit 116 and picture signal processing block 108.For asking clear distinct, suppose when multipurpose camera system 102 operates in the second operator scheme (for example, the certain camera pattern) next with reference to the exemplary multipurpose camera system 102 shown in Fig. 2, several examples to be described as the part of optical mouse.
In the first exemplary design, at least one signal processing module that is included in picture signal processing block 108 can enable (or unlatching) in the first operator scheme, and in the second operator scheme forbidden energy (or closing).because the multipurpose camera system 102 of carrying out function of optical mouse under the second operation mode does not need to produce the exact image of capturing scenes, therefore can close and be included in the one or more signal processing modules in picture signal processing block 108 and do not affect desired function of optical mouse, for example, pre-process module 212, white balance module 214 and/or rearmounted processing module 220 can operate under this first operator scheme at multipurpose camera system 102 and enable, and under this second operator scheme forbidden energy, thus, signal can directly skip (bypass) forbidden energy signal processing module input and can not processed by the signal processing module of forbidden energy.in addition, owing to closing one or more signal processing modules in the second operator scheme, the power consumption that is in the picture signal processing block 108 in the second operator scheme is lower than the power consumption that is in the picture signal processing block 108 in the first operator scheme, if electronic installation 100 is battery powered portable electronic devices, be used as it when setting multipurpose camera system 102 and with the detecting object (for example need to catch incessantly consecutive image, during the optical mouse of movement user's finger)/action a part of, electronic installation 100 can be benefited from the characteristic of the low power consumption of multipurpose camera system 102.
In the second exemplary design, at least one signal processing module that is included in picture signal processing block 108 is to use the first algorithm in the first operator scheme, is to use the second algorithm that is different from the first algorithm in the second operator scheme.Because the multipurpose camera system 102 of carrying out function of optical mouse under the second operation mode does not need to produce the exact image of capturing scenes, the one or more signal processing modules that are included in picture signal processing block 108 can use the second algorithm (for example, shortcut calculation or low-power consumption algorithm) and not affect needed function of optical mouse.Therefore, (for example successfully detect object, the image of movement user's finger)/action, can by set demosaicing module 216 use all can with the demosaicing algorithm in the algorithm of simplification obtain, and/or carry out by setting 218 pairs of coloured images of color space conversion module the image that RGB to YUV color spaces change to produce brightness (Y) and chroma (UV), and only store RGB to YUV color space conversion resulting brightness (Y) value and obtain.
Color space conversion module 218 obtains luminance picture (namely black and white image) afterwards, ensuing rearmounted processing module 220 can be by relatively coming brightness value and the critical value of each pixel in black and white image to obtain binary picture (binary image) from black and white image, when wherein if this brightness value is greater than critical value, can (for example specify the first predetermined brightness value, 255) give this pixel, and when this brightness value is not more than critical value, can specify the second predetermined brightness value (for example, 0) to this pixel.Therefore, because the image dualization has reduced computation complexity, function of optical mouse can be by analyzing continuous binary picture and realized with shortcut calculation/low-power consumption algorithm.
in a design variation, color space conversion module 218 obtains luminance picture (namely black and white image) afterwards, ensuing rearmounted processing module 220 can be to (for example having the original image resolution, sampling (down-sample) falls in black and white image 720x480), (for example has the reduction image analytic degree with generation, 45x30) the sampling black and white image falls, then the brightness value by will fall each pixel in the sampling black and white image with the critical value comparison to obtain binary picture from falling the black and white image of taking a sample, wherein when this brightness value during greater than this critical value, (for example specify the first predetermined brightness value, 255) give this pixel, and when this brightness value is not more than this critical value, (for example specify the second predetermined brightness value, 0) give this pixel.Therefore, by the image dualization with fall sampling and significantly lowered computation complexity, can take a sample binary picture and realize simply function of optical mouse by analyze continuous falling with shortcut calculation/low-power consumption algorithm.
In addition, owing to using shortcut calculation/low-power consumption algorithm in the second operator scheme, be in the power consumption of picture signal processing block 108 of the second operator scheme lower than the power consumption of the picture signal processing block 108 that is in the first operator scheme.If electronic installation 100 is battery powered portable electronic devices, with the detecting object (for example catch incessantly consecutive image when setting multipurpose camera system 102 as needs, during the optical mouse of movement user's finger)/action a part of, electronic installation 100 can be benefited from the characteristic of the low power consumption of multipurpose camera system 102.
In the 3rd exemplary design, at least one control module that is included in control circuit 116 is used the first algorithm in the first operator scheme, and uses in the second operator scheme the second algorithm that is different from the first algorithm.Because under the second operator scheme, the multipurpose camera system 102 of carrying out function of optical mouse does not need to produce the exact image of capturing scenes, the one or more control modules that are included in control circuit 116 can be used the second algorithm (for example, shortcut calculation or low-power consumption algorithm) and not affect desired function of optical mouse.Furthermore, the object that the second operator scheme is detected (for example, user's finger) normally just be positioned at the place ahead of the camera eyeglass of optical system 112, therefore, (for example successfully detect object, the image of movement user's finger)/action can use pre-defined and fixing exposure parameter (but not common automatic exposure function) and/or use pre-defined and fixing focusing parameter setting (but not common auto-focus function) to obtain by setting focus control module 202 by expose control module 204 of setting.In addition, owing to having used shortcut calculation/low-power consumption algorithm in the second operator scheme, the power consumption of control circuit 116 in the second operator scheme is lower than the power consumption of control circuit 116 in the first operator scheme.If electronic installation 100 is battery-powered portable electronic devices, electronic installation 100 can be set multipurpose camera system 102 and with the detecting object (for example catch incessantly consecutive image as needs, during the optical mouse of movement user's finger)/action a part of, can benefit from the characteristic of the low power consumption of multipurpose camera system 102.
In the 4th exemplary design, set image capture piece 106 and operate in first and catch frame per second under this first operator scheme, operate in and catch second of frame per second higher than first and catch frame per second and set image capture piece 106 under this second operator scheme.For example, first catches frame per second is set by the common frame per second of camera, and second catches the highest frame per second that frame per second supported by multipurpose camera system 102 and set.Used the frame per second of catching that promotes due to multipurpose camera system 102, so the sensitivity of function of optical mouse is improved under the second operator scheme.
In the 5th exemplary design, set image capture piece 106 and operate in first and catch resolution under the first operator scheme, operate in and catch second of resolution lower than first and catch resolution and set image capture piece 106 under the second operator scheme.Because multipurpose camera system 102 operates in the second operator scheme and carries out function of optical mouse, do not need to produce the exact image of capturing scenes, so can lower the resolution of catching of the second operator scheme, make computation complexity and power consumption descend thereupon.Similarly, if electronic installation 100 is battery powered portable electronic devices, with the detecting object (for example catch incessantly consecutive image when setting multipurpose camera system 102 as needs, during the optical mouse of movement user's hand)/action a part of, electronic installation 100 can be benefited from the characteristic of the low power consumption of multipurpose camera system 102.
As mentioned above, multipurpose camera system 102 is supported different operator schemes, comprises the first operator scheme (for example, general camera pattern) and the second operator scheme (for example, optical mouse pattern).Multipurpose camera system 102 can respond the mode control signal of user or application software triggering and switch between different operation modes.
Fig. 3 is the flow chart according to the pattern handover operation of the multipurpose camera system 102 of embodiment of the present invention.Suppose that result is identical in fact, the execution sequence of step does not need fully identical with Fig. 3.This exemplary pattern handover operation can be summarized as follows.
Step 300: beginning.
Step 302: check which pattern multipurpose camera system 102 should enter.If multipurpose camera system 102 need to enter the first operator scheme (for example, the general camera pattern), go to step 304.If multipurpose camera system 102 need to enter the second operator scheme (for example, the optical mouse pattern), go to step 310.
Step 304: set the common frame per second of catching for the general camera pattern.
Step 306: under the general camera pattern, enable the control module of signal processing module and the control circuit 116 of picture signal processing block 108.
Step 308: carry out the general camera program to produce the image output IMG_OUT1 that is caught.Next, flow process goes to step 302 to check whether present operator scheme needs to change.
Step 310: set the higher frame per second of catching for the optical mouse pattern.
Step 312: at least one module in closing control circuit 116 and picture signal processing block 108, and/or control at least one module use shortcut calculation or low-power consumption algorithm in control circuit 116 and picture signal processing block 108.
Step 314: carry out the optical mouse program to produce image output IMG_OUT2.Next, flow process goes to step 302 to check whether present operator scheme needs to change.
The details of each step in should understanding Fig. 3 easily due to those skilled in the art after reading the explanation of above-mentioned paragraph is omitted in the hope of succinctly therefore further describe just at this.
After multipurpose camera system 102 produces image output IMG_OUT2, can further process image output IMG_OUT2 to pick out user's input (for example, the movement of user's finger/action).For example, but user's imput process system 104 identification users shown in Figure 1 are input as one of them of a plurality of predetermined mouse actions (comprise click, double-click, soon/slower rays mark shift action etc.).Point out there is no object (for example, user's finger) when occurring when the picture frame of image output IMG_OUT2, user's imput process system 104 can detect " complete white (All White) " state.When the picture frame of image output IMG_OUT2 has pointed out that object (for example, user's finger) occur, and this object (for example, when the percentage of the image-region of user's finger) containing in the picture frame that checks surpassed critical value, user's imput process system 104 can detect " complete black (All Black) " state.Therefore, when user's imput process system 104 sequentially detected " complete white " state, " complete black " state and " complete white " state in the situation of three successive image frames processing image output IMG_OUT2, therefore user's imput process system 104 can be recognized as user's input and click.When user's imput process system 104 sequentially detected " complete white " state, " complete black " state, " complete white " state and " complete black " state in another situation of four successive image frames processing image output IMG_OUT2, therefore user's imput process system 104 can be recognized as double-click with user's input.
In addition, user's imput process system 104 also can obtain by the picture frame of processing image output IMG_OUT2 the coordinate information of object (for example, user's finger).For example, user's imput process system 104 can be exported the picture frame execution mobile estimation of the overall situation (the global motion estimation) operation of IMG_OUT2 to image, with the coordinate of the object in the recognisable image frame (for example, user's finger).Please refer to Fig. 4, Fig. 4 is the schematic diagram of the exemplary realization of user's imput process system 104 shown in Figure 1.User's imput process system 104 comprises the mobile estimation of overall situation piece 402 and processor 404.The overall situation is mobile estimates that piece 402 according to the image output IMG_OUT2 of picture signal processing block 108, produces overall mobile message (global motion information) INF.Processor 404 comes identification user input according to overall mobile message INF.At each object (for example, containing in the successive image frame that image-region percentage all is no more than critical value user's finger), during arbitrary state in aforesaid when detecting " complete white " state and " complete black " state, processor 404 is published picture at last as the coordinate change speed (coordinate change rate) of successive image frame in output IMG_OUT2, is that cursor movement moves or cursor movement action slowly fast to determine user's input.
The overall situation is mobile estimates that piece 402 can be the functional block of the image output IMG_OUT2 that produces in special disposal the second operator scheme, yet this is used for the use of example explanation, but not the present invention is limited.in another implementation, if camera system is equipped with electronic image to stablize (electronic image stabilization, EIS) module, the desired overall situation is mobile to be estimated because in fact the electronic image stable module can be carried out, therefore also available electron image stabilization module moves as the overall situation and estimates piece 402, that is to say, when multipurpose camera system 102 (for example operates in the first operator scheme, the general camera pattern) time, the electronic image stabilization function of electronic image stable module meeting execute script design, (for example operate in the second operator scheme and work as multipurpose camera system 102, the optical mouse pattern) time, the electronic image stable module is as the mobile estimation of overall situation piece 402.
Similarly, the functional block of the processor 404 overall mobile message INF that can be special disposal obtain from image output IMG_OUT2, be input as quick cursor shift action or slowly cursor movement action with the identification user, or the picture frame of special disposal image output IMG_OUT2, be input as with the identification user and click or double-click.Yet this is used for the use of example explanation, but not the present invention is limited.In a design variation, the CPU of electronic installation 100 (central processing unit, CPU) also can be used as processor 404.
Fig. 5 is the flow chart of state of the successive image frame of the performed recognisable image of user's imput process system 104 output.Suppose that result is identical in fact, step does not need to carry out according to the order in Fig. 5 fully.Exemplary user inputs the identification operation and can be summarized as follows.
Step 500: beginning.
Step 502: the picture frame of the image output IMG_OUT2 that the picture signal processing block 108 in reception the second operator scheme (for example, optical mouse pattern) produces.
Step 504: whether the picture frame that receives of check image output IMG_OUT2 has object (for example, representing the dark image-region of user's finger) to occur.If have, go to step 508; Otherwise go to step 506.
Step 506: send " complete white " state.Next, flow performing step 502 is to receive next picture frame of image output IMG_OUT2.
Step 508: check whether the image-region percentage that object is contained surpasses critical value.If so, go to step 510; Otherwise, go to step 512.
Step 510: send " complete black " state.Next, flow performing step 502 is to receive next picture frame of image output IMG_OUT2.
Step 512: carry out the mobile estimation of the overall situation for adjacent image, to produce overall mobile message INF.
Step 514: according to overall mobile message INF, calculate the optical mouse coordinate.Next, flow performing step 502 is to receive next picture frame of image output IMG_OUT2.
The state-based transition form (for example, continuous " complete white ", " complete black " and " entirely white ", or continuous " complete white ", " entirely deceiving ", " complete white " and " entirely deceiving ") or the optical mouse coordinate, processor 404 can be recognized as user's input the optical mouse operation.Each step those skilled in the art can understand Fig. 5 easily after reading the explanation of above-mentioned paragraph in is therefore more detailed description is just omitted in the hope of succinctly at this.
Note that multipurpose camera system 102 proposed by the invention is not limited to the application of optical mouse.In a design variation, but user's imput process system 104 identification users shown in Figure 1 are input as a plurality of predetermined direction key operations (comprise directionkeys press (up key pressing), lower directionkeys are pressed (down key pressing), LeftArrow is pressed (left key pressing) and pressed (right key pressing) with the right key) one of them.For example, processor 404 can compare the coordinate of the object (for example, user's finger) in the different images frame, is which direction key operation with what determine that the user was inputted.In another design variation, but user's imput process system 104 identification users shown in Figure 1 are input as a plurality of predetermined touch screen touch control operations one of them.In simple terms, based on actual design requirement/consideration, include the multipurpose camera system 102 that operates in the second operator scheme and user's input unit of user's imput process system 104 and can be used as optical mouse, arrow button/directionkeys or touch-screen.
Although the present invention discloses as above with better embodiment, yet this better embodiment is not to limit the present invention, those skilled in the art do not break away from the spirit and scope of the present invention, and all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (22)
1. a multipurpose camera system, is characterized in that, comprises:
The image capture piece produces picture signal, and wherein this image capture piece comprises: imageing sensor, optical system and control circuit; And
The picture signal processing block is processed this picture signal;
Wherein when this multipurpose camera system operated in the first operator scheme, this multipurpose camera system was caught image output as camera with generation; When this multipurpose camera system operated in the second operator scheme, this multipurpose camera system was as the part of user's input unit, to receive user's input; And this control circuit and this picture signal processing block are different from this control circuit and the configured in one piece of this picture signal processing block under this second operator scheme in the configured in one piece under this first operator scheme.
2. multipurpose camera system according to claim 1, is characterized in that, this picture signal processing block in the power consumption under this second operator scheme lower than the power consumption of this picture signal processing block under this first operator scheme.
3. multipurpose camera system according to claim 1, is characterized in that, at least one signal processing module that is included in this picture signal processing block enables under this first operator scheme, and under this second operator scheme forbidden energy.
4. multipurpose camera system according to claim 1, it is characterized in that, the signal processing module that is included in this picture signal processing block uses the first algorithm under this first operator scheme, and next in this second operator scheme be to use the second algorithm be different from this first algorithm.
5. multipurpose camera system according to claim 1, is characterized in that, this control circuit in the power consumption under this second operator scheme lower than the power consumption of this control circuit under this first operator scheme.
6. multipurpose camera system according to claim 1, it is characterized in that, being included in control module in this control circuit is to use the first algorithm under this first operator scheme, and next in this second operator scheme be to use the second algorithm that is different from this first algorithm.
7. multipurpose camera system according to claim 1, it is characterized in that, during as this user's input unit a part of, this control circuit is use pre-defined and fixing focusing parameter to set or use pre-defined and fixing exposure parameter to set when this multipurpose camera system.
8. multipurpose camera system according to claim 1, is characterized in that, this picture signal processing block can under this second operator scheme, convert coloured image to black and white image.
9. multipurpose camera system according to claim 8, is characterized in that, this picture signal processing block can be carried out the conversion of RGB to YUV color space on this coloured image, and only stores the brightness value that is converted to from this RGB to YUV color space.
10. multipurpose camera system according to claim 8, is characterized in that, this picture signal processing block can compare brightness value and the critical value of pixel in this black and white image; During greater than this critical value, this picture signal processing block can specify the first default brightness value to this pixel when this brightness value; And when this brightness value was not more than this critical value, this picture signal processing block can specify the second default brightness value to this pixel.
11. multipurpose camera system according to claim 8, it is characterized in that, this picture signal processing block can fall sampling to this black and white image, falls the black and white image of sampling with generation, and this is fallen the brightness value of pixel in the black and white image of sampling and critical value relatively; During greater than this critical value, this picture signal processing block can specify the first default brightness value to this pixel when this brightness value; And when this brightness value was not more than this critical value, this picture signal processing block can specify the second default brightness value to this pixel.
12. multipurpose camera system according to claim 1, it is characterized in that, the pre-process module, white balance module and/or the rearmounted processing module that are included in this picture signal processing block can enable under this first operator scheme, and under this second operator scheme forbidden energy.
13. multipurpose camera system according to claim 1 is characterized in that, this image capture piece is done in first in this first mode of operation and is caught frame per second, and first catches second of frame per second and catch frame per second next the operating in higher than this of this second operator scheme.
14. multipurpose camera system according to claim 1, it is characterized in that, this image capture piece is done in first in this first mode of operation and is caught resolution, and first catches second of resolution and catch resolution next the operating in lower than this of this second operator scheme.
15. an electronic installation is characterized in that, comprises:
The multipurpose camera system comprises:
The image capture piece produces picture signal, and wherein this image capture piece comprises imageing sensor, optical system and control circuit; And
The picture signal processing block is processed this picture signal, and wherein when this multipurpose camera system operated in the first operator scheme, this multipurpose camera system was caught image output as camera with generation; When this multipurpose camera system operated in the second operator scheme, this multipurpose camera system received user's input as the part of user's input unit; And this control circuit and this picture signal processing block are different from this control circuit and the configured in one piece of this picture signal processing block under this second operator scheme in the configured in one piece under this first operator scheme; And
User's imput process system as another part of this user's input unit, and by process the image output of this picture signal processing block under this second operator scheme, comes this user's input of identification.
16. electronic installation according to claim 15 is characterized in that, this user's imput process system comprises:
The mobile estimation of overall situation piece, this image output according to this picture signal processing block produces overall mobile message; And
Processor comes this user's input of identification according to this overall situation mobile message.
17. electronic installation according to claim 16 is characterized in that, this overall situation moves estimates that piece is the electronic image stable module.
18. electronic installation according to claim 15, it is characterized in that, this user of this user's imput process system meeting identification is input as one of them of a plurality of predetermined mouse actions, or is a plurality of predetermined direction key operations one of them, or is the operation of a plurality of predetermined touch screen one of them.
19. electronic installation according to claim 15 is characterized in that, this electronic installation is portable electronic devices.
20. electronic installation according to claim 19 is characterized in that, this portable electronic devices is mobile phone.
21. a multipurpose camera system that is incorporated in portable electronic devices is characterized in that, this multipurpose camera system comprises:
The image capture piece produces picture signal; And
The picture signal processing block is processed this picture signal;
Wherein when this multipurpose camera system operated in the first operator scheme, this multipurpose camera system was caught image output as camera with generation; And when this multipurpose camera system operated in the second operator scheme, this multipurpose camera system was as the part of user's input unit, to receive user's input.
22. the multipurpose camera system that is incorporated in portable electronic devices according to claim 21 is characterized in that this portable electronic devices is mobile phone.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US13/485,936 | 2012-06-01 | ||
| US13/485,936 US9258483B2 (en) | 2012-06-01 | 2012-06-01 | Multi-purpose camera system supporting normal camera functionality and additional user input functionality |
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