CN210093321U - Camera and camera control device - Google Patents
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- CN210093321U CN210093321U CN201920307130.8U CN201920307130U CN210093321U CN 210093321 U CN210093321 U CN 210093321U CN 201920307130 U CN201920307130 U CN 201920307130U CN 210093321 U CN210093321 U CN 210093321U
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Abstract
The embodiment of the utility model provides a camera and camera controlling means, the device includes: the acquisition module is used for acquiring a first image generated when the galvanometer is positioned at a first deflection angle at a first exposure moment; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle; a synthesis module, configured to synthesize a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target. Through above-mentioned technical scheme, increase the mirror that shakes that is used for changing incident light path between camera lens and sensitization chip, can realize the promotion to the camera pixel on the basis that does not increase the sensitization unit quantity in the sensitization chip, need not to increase manufacturing cost.
Description
Technical Field
The utility model relates to an image processing technology field especially relates to a camera and camera controlling means.
Background
With the development of image processing technology, the resolution of the camera is higher and higher. In general, in order to increase the pixels of the camera, a photosensitive chip having more photosensitive units may be used.
In the prior art, in order to improve the pixels of the camera, the photosensitive units in the photosensitive chip can be increased. Generally, the more the number of photosensitive cells in a photosensitive chip, the more complicated the production process, and the higher the production cost required. In the actual production process, even if the number of photosensitive units is increased due to the limitation of the production process, in a limited space, the great improvement of the camera pixels is still difficult to realize.
Based on this, a solution capable of increasing the pixels of the camera is required.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present invention provides a camera and a camera control device, which can obtain a scheme of a high-resolution image.
In a first aspect, an embodiment of the present invention provides a camera, which includes:
the lens is used for acquiring light rays emitted by a shot target; and
the galvanometer is arranged between the lens and the photosensitive chip and is provided with a two-dimensional rotating shaft;
the control device is used for controlling the deflection angle of the galvanometer so as to obtain a first image generated when the galvanometer is positioned at a first deflection angle at a first exposure moment; and at the second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle.
Further, the photosensitive chip includes: a plurality of light sensing units; wherein a spacer is arranged between two adjacent photosensitive units.
Further, the control device includes: a synthesis module;
the synthesis module is connected with the photosensitive chip and is used for synthesizing the first image and the second image to obtain a high-resolution image; wherein the first image and the second image are different image contents for the same target.
Further, in the photosensitive chip, a spacer width of the spacer is smaller than or equal to a cell width of the photosensitive cell.
In a second aspect, an embodiment of the present invention provides a camera device, including:
the acquisition module is used for acquiring a first image generated when the galvanometer is positioned at a first deflection angle at a first exposure moment; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle;
a synthesis module, configured to synthesize a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target.
Further, the control module is used for determining a second deflection angle according to the width of a spacing area between adjacent photosensitive units and the unit width of the photosensitive units.
Further, the control device is configured to obtain an offset length between a center point of the spacer width and a center point of the cell width; calculating a second deflection angle of the galvanometer according to the deflection length; wherein the second angle of deflection is determined relative to the first angle of deflection.
Further, if the four sides of the photosensitive unit are all adjacent to each other, the width of the interval area is set;
the acquisition module is used for acquiring a third image generated when the galvanometer is positioned at a third deflection angle at a third exposure moment; at a fourth exposure moment, acquiring a fourth image generated when the galvanometer is at a fourth deflection angle; so as to synthesize a high-resolution image based on the first image, the second image, the third image, and the fourth image; wherein the first image, the second image, the third image and the fourth image are different image contents for the same target.
The embodiment of the utility model provides a camera and camera controlling means through at first exposure moment, acquire the first image that generates when the galvanometer is in first deflection angle; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle; synthesizing to obtain a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target. Through above-mentioned technical scheme, increase the mirror that shakes that is used for changing incident light path between camera lens and sensitization chip, can realize the promotion to the camera pixel on the basis that does not increase the sensitization unit quantity in the sensitization chip, need not to increase manufacturing cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a camera provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a photosensitive chip according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another photosensitive chip according to an embodiment of the present invention;
fig. 4 is a schematic flow chart of a camera control method according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a synthesis process of a high-resolution image according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a camera control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two, but does not exclude the presence of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
In the prior art, a plurality of photosensitive cells are arranged in order, and a certain interval is arranged between the adjacent photosensitive cells for wiring. When the light of the object to be shot is received, a part of the light can be projected to the photosensitive unit, and a part of the light is projected to the interval area. The portion projected into the spacer will not be picked up by the light sensitive chip, thus affecting the resolution of the acquired image. If the light rays which can project the part into the interval area are collected, the resolution ratio of the camera can be effectively improved.
The embodiment of the utility model provides a camera, as shown in fig. 1, this camera mainly includes:
the lens 11 is used for acquiring light rays emitted by a shot object; and
the galvanometer 12 is arranged between the lens 11 and the photosensitive chip 13, and a two-dimensional rotating shaft 121 is arranged on the galvanometer 12;
a control device 14 for controlling the deflection angle of the galvanometer so as to acquire a first image generated when the galvanometer 12 is at the first deflection angle at a first exposure time; at the second exposure timing, a second image generated when the galvanometer 12 is at the second deflection angle is acquired.
In the present embodiment, the galvanometer 12 can change the optical path so that the light can be adjusted according to the deflection angle of the galvanometer 12. In order to flexibly adjust the deflection angle of the galvanometer 12 as required, the galvanometer 12 may be arranged on a two-dimensional rotating shaft 121, the plane of the two-dimensional rotating shaft 121 is parallel to the plane of the lens 11 and the plane of the photosensitive chip 13, and the galvanometer 12 can rotate in a first direction and a second direction based on the two-dimensional rotating shaft 121, wherein the first direction and the second direction are two directions perpendicular to each other. The control device 14 controls the deflection angle of the galvanometer 12 so that the exposure time corresponds to the deflection angle of the galvanometer. Different images are obtained corresponding to different deflection angles, in other words, it is also possible to obtain N images by deflecting the galvanometer 12, and obtain a required high-resolution image based on the N images. The first image and the second image are referred to herein by way of example only.
The photosensitive chip 13 includes: a plurality of photosensitive cells 131; wherein, a spacer 132 is disposed between two adjacent photosensitive units 131.
In practical applications, the layout relationship between the photosensitive cells 131 and the spacers 132 in the photosensitive chip 13 may be various, for example, as shown in fig. 2, the spacers 132 are disposed around each photosensitive cell 131, or as shown in fig. 3, the spacers 132 are disposed on two sides of the photosensitive cell 131. Fig. 2 and 3 are shown here as examples and should not be construed as limiting the technical solution of the present application. It should be noted that the direction and angle in which the galvanometer 12 can be deflected are related to the layout relationship of the spacer 132 and the size of the spacer 132.
The control device 14 includes: a synthesis module 141; the synthesis module 141 is connected to the photosensitive chip 13, and is configured to synthesize the first image and the second image to obtain a high-resolution image; wherein the first image and the second image are different image contents for the same target.
In practical applications, a high-resolution image can be synthesized from the first image and the second image; if N images are obtained as described above, the N images may be combined by the combining module 141 to obtain a high-resolution image.
The first image, the second image and other images are different image contents shot aiming at the same target. These pieces of image content are non-repeating, or exactly complementary.
In one or more embodiments of the present invention, in the photosensitive chip, the spacer width of the spacer is less than or equal to a unit width of the photosensitive unit.
In order to obtain an image with higher resolution while reducing the number of times of adjustment of the deflection angle of the galvanometer, it is necessary to make the width of the spacer smaller than or equal to the cell width when the layout of the photosensitive chip is performed. For example, if the width of the spacer is the same as the cell width, and the spacers are adjacent to the periphery of the light-sensing cells, all the light rays projected to the spacers can be projected to the corresponding light-sensing cells by adjusting the angle four times. If the width of the spacer is 2 times of the width of the cell and the spacers are adjacent around the periphery of the light sensing unit, the light sensing unit needs to be adjusted 8 times to project all the light projected to the spacers onto the corresponding light sensing unit. This can result in lengthy image capture and integration times. Therefore, the spacer width is ensured to be smaller than or equal to the cell width, and the efficiency of picture taking and synthesis can be improved while the resolution is improved.
Based on same thinking, the embodiment of the utility model provides a still provide a camera control method, this camera includes: a galvanometer and a photosensitive chip. As shown in fig. 4, the embodiment of the present invention provides a flow diagram of a camera control method, which includes the following specific steps:
401: at a first exposure time, a first image generated when the galvanometer is at a first deflection angle is acquired.
It should be noted that there is a one-to-one correspondence relationship between the first exposure time, the first deflection angle, and the first image. The first deflection angle referred to herein includes two deflection directions, and the first deflection angle may be zero or positive or negative. For example, the first deflection angle is 10 ° in the x direction and 0 ° in the y direction.
402: at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle;
after the first image is obtained, at a second exposure time, the galvanometer is adjusted to a second deflection angle so as to acquire a corresponding second image. The second exposure time is a time adjacent to the first exposure time, and the high-resolution image is generated from a plurality of images obtained at the first exposure time and a plurality of other exposure times in common.
403: synthesizing to obtain a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target.
It should be noted that the contents in the first image and the second image are different, in other words, the pixel contents in the first image and the pixel contents in the second image correspond to different parts of the object, respectively, and the pixel contents in the first image and the second image do not overlap.
In one or more embodiments of the present invention, the photosensitive chip includes a plurality of photosensitive units, and before acquiring the second image generated when the galvanometer is at the second deflection angle, the photosensitive chip may further include: and determining a second deflection angle according to the width of the interval area between the adjacent photosensitive units and the unit width of the photosensitive units.
As can be seen from fig. 2, the second deflection angle is to project the light projected into the space area onto the corresponding photosensitive unit when the galvanometer is located at the first deflection angle. Therefore, the second deflection angle needs to be determined based on the cell width and the spacer width of the photosensitive cell and the refractive index of the galvanometer, so that the light originally projected to the spacer is successfully projected to the photosensitive cell.
In one or more embodiments of the present invention, the second deflection angle is determined according to a width of a spacer between adjacent photosensitive cells and a width of a cell of the photosensitive cell, and specifically may include: obtaining the offset length between the central point of the spacer area width and the central point of the unit width; calculating a second deflection angle of the galvanometer according to the deflection length; wherein the second angle of deflection is determined relative to the first angle of deflection.
For example, if the width of the spacer is a and the width of the cell is b, to determine the second deflection angle, the angle of the galvanometer needs to be adjusted based on the first deflection angle, so that the light originally projected to the center point of the spacer is projected to the center point of the photo sensor chip. The first image obtained under the condition of the first deflection angle and the second image obtained under the condition of the second deflection angle form a complementary relation, so that the image content in the first image and the second image can be effectively prevented from being repeated, and a high-resolution image can be obtained.
In one or more embodiments of the present invention, if four sides of the photosensitive unit are adjacent to each other, the width of the spacer area is provided;
before synthesizing a high-resolution image based on the first image and the second image, the method may further include: at a third exposure moment, acquiring a third image generated when the galvanometer is at a third deflection angle; at a fourth exposure moment, acquiring a fourth image generated when the galvanometer is at a fourth deflection angle; so as to synthesize a high-resolution image based on the first image, the second image, the third image, and the fourth image; wherein the first image, the second image, the third image and the fourth image are different image contents for the same target.
In practical applications, a layout of a relatively common photo sensor chip is to provide corresponding spacers around each photo sensor unit. And, the spacer width is the same as or similar to the cell width. In other words, in order to obtain all the light rays projected into the space area, the deflection angle needs to be adjusted three times based on the first deflection angle, so that a complete high-resolution image is obtained by synthesis, and the high-resolution image is four times of the resolution of the original image (for example, the first image, the second image, the third image and the fourth image).
For example, the process of synthesizing a high resolution image is shown in fig. 5, where four images with complementary pixel contents are integrated to generate a high resolution image. For example, the four images in fig. 5 are respectively labeled as 1/2/3/4, where the coordinate positions marked with numbers indicate pixel content, and the coordinate positions not marked with numbers do not have pixel content (note that the coordinate positions of the numbers marked in the four images are all marked with respect to the high-resolution image). It can be seen from the figure that the coordinate positions corresponding to the pixel contents in the four images are exactly complementary position relationships. An image with high resolution can be obtained by complementary integration of the pixel content of the four images.
Based on same thinking, the embodiment of the utility model provides a still provide a camera controlling means, as shown in fig. 6, the device includes:
the acquiring module 61 is configured to acquire, at a first exposure time, a first image generated when the galvanometer is at a first deflection angle; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle;
a synthesizing module 62, configured to synthesize a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target.
Further, the control module 63 is configured to determine a second deflection angle according to a width of a spacer between adjacent photosensitive units and a unit width of the photosensitive unit.
Further, the control device 63 is configured to obtain an offset length between a center point of the spacer width and a center point of the cell width; calculating a second deflection angle of the galvanometer according to the deflection length; wherein the second angle of deflection is determined relative to the first angle of deflection.
Further, if the four sides of the photosensitive unit are all adjacent to each other, the width of the interval area is set;
the obtaining module 61 is configured to obtain, at a third exposure time, a third image generated when the galvanometer is at a third deflection angle; at a fourth exposure moment, acquiring a fourth image generated when the galvanometer is at a fourth deflection angle; so as to synthesize a high-resolution image based on the first image, the second image, the third image, and the fourth image; wherein the first image, the second image, the third image and the fourth image are different image contents for the same target.
Based on the above embodiment, it can be understood that, at the first exposure time, a first image generated when the galvanometer is at the first deflection angle is acquired; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle; synthesizing to obtain a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target. Through above-mentioned technical scheme, increase the mirror that shakes that is used for changing incident light path between camera lens and sensitization chip, can realize the promotion to the camera pixel on the basis that does not increase the sensitization unit quantity in the sensitization chip, need not to increase manufacturing cost.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by adding a necessary general hardware platform, and of course, can also be implemented by a combination of hardware and software. With this understanding in mind, the above-described technical solutions and/or portions thereof that contribute to the prior art may be embodied in the form of a computer program product, which may be embodied on one or more computer-usable storage media having computer-usable program code embodied therein (including but not limited to disk storage, CD-ROM, optical storage, etc.).
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable coordinate determination device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable coordinate determination device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable coordinate determination apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable coordinate determination device to cause a series of operational steps to be performed on the computer or other programmable device to produce a computer implemented process such that the instructions which execute on the computer or other programmable device provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A camera, comprising:
the lens is used for acquiring light rays emitted by a shot target; and
the galvanometer is arranged between the lens and the photosensitive chip and is provided with a two-dimensional rotating shaft;
the control device is used for controlling the deflection angle of the galvanometer so as to obtain a first image generated when the galvanometer is positioned at a first deflection angle at a first exposure moment; and at the second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle.
2. The camera according to claim 1, wherein the photosensitive chip comprises: a plurality of light sensing units; wherein a spacer is arranged between two adjacent photosensitive units.
3. The camera according to claim 1, wherein the control means comprises: a synthesis module;
the synthesis module is connected with the photosensitive chip and is used for synthesizing the first image and the second image to obtain a high-resolution image; wherein the first image and the second image are different image contents for the same target.
4. The camera head according to claim 2, wherein in the photosensitive chip, a spacer width of the spacer is smaller than or equal to a cell width of a photosensitive cell.
5. A camera control apparatus, the apparatus comprising:
the acquisition module is used for acquiring a first image generated when the galvanometer is positioned at a first deflection angle at a first exposure moment; at a second exposure moment, acquiring a second image generated when the galvanometer is at a second deflection angle;
a synthesis module, configured to synthesize a high-resolution image based on the first image and the second image; wherein the first image and the second image are different image content for the same target.
6. The apparatus of claim 5, wherein the control module is configured to determine the second deflection angle according to a width of a space between adjacent photosensitive cells and a cell width of the photosensitive cells.
7. The apparatus of claim 6, wherein the control means is configured to obtain an offset length between a center point of the spacer width and a center point of the cell width; calculating a second deflection angle of the galvanometer according to the deflection length; wherein the second angle of deflection is determined relative to the first angle of deflection.
8. The apparatus according to any one of claims 6 or 7, wherein the spacer width is provided if four sides of the light sensing unit are adjacent;
the acquisition module is used for acquiring a third image generated when the galvanometer is positioned at a third deflection angle at a third exposure moment; at a fourth exposure moment, acquiring a fourth image generated when the galvanometer is at a fourth deflection angle; so as to synthesize a high-resolution image based on the first image, the second image, the third image, and the fourth image; wherein the first image, the second image, the third image and the fourth image are different image contents for the same target.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981946A (en) * | 2019-03-11 | 2019-07-05 | 歌尔股份有限公司 | A kind of camera, camera control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109981946A (en) * | 2019-03-11 | 2019-07-05 | 歌尔股份有限公司 | A kind of camera, camera control method and device |
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