KR102160409B1 - Method for providing image information and body camera device for performing the same - Google Patents

Abstract

The present invention relates to a body camera device for providing image information, which comprises: a camera device; a processor; and a memory in which at least one command executed through the processor is stored, wherein the at least one command is executed to start recording using the camera device when acquiring a recording start signal, is executed to end a recording process according to the recording start signal and to generate video information from an acquisition time point of the recording start signal to an acquisition time point of a recording end signal when acquiring the recording end signal after the acquisition time point of the recording start signal, is executed to generate still image information corresponding to an acquisition time point of a snap signal using the camera device when acquiring the snap signal, and generates the still image information during the recording process when the snap signal is acquired after the acquisition time point of the recording start signal and before the acquisition time point of the recording end signal.

Description

Method for providing image information and a body camera device that performs the same {METHOD FOR PROVIDING IMAGE INFORMATION AND BODY CAMERA DEVICE FOR PERFORMING THE SAME}

The present invention relates to a method for providing image information and a body camera device for performing the same, and more particularly, to a method for flexibly providing image information from various angles and an apparatus for performing the same and having various expandability.

For those who are active in dire and dangerous scenes, such as firefighters or police, the situation at the moment is often important. For example, in the case of the police, appropriate measures were taken at the site, but if another person at the site makes a different statement, it may be in trouble, and in the case of firefighters, it is difficult to provide adequate additional support because they cannot know the internal situation from outside the fire site. It can be, and it can be difficult to confirm the urgent situation inside.

In order to prevent this, people such as firefighters or police are actively discussing a method of effectively digitally preserving the scene by attaching a camera device to a part of the body and recording the scene during the activity.

An object of the present invention for solving the above problems is to provide a body camera device.

Another object of the present invention for solving the above problems is to provide a method of providing image information.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems that are not mentioned will be clearly understood by those of ordinary skill in the technical field to which the present invention belongs from the following description. I will be able to.

A body camera device according to an embodiment of the present invention for achieving the above object includes a camera device, a processor, and a memory in which at least one instruction executed through the processor is stored, and the at least one The command of is executed to start recording using the camera device when acquiring a recording start signal, and when acquiring a recording end signal after the acquisition time of the recording start signal, recording proceeds according to the recording start signal And, when the recording start signal is acquired and the video information about the recording end signal is acquired, and when the snap signal is acquired, the snap signal is acquired using the camera device. When it is executed to generate corresponding still image information, and the snap signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, the still image information may be generated during the recording process. .

The method for providing video information according to an embodiment of the present invention for achieving the other object includes: when a recording start signal is acquired, starting recording using the camera device, after the acquisition time of the recording start signal In the case of acquiring the recording end signal, terminating the recording process according to the recording start signal, generating moving picture information from the acquisition point of the recording start signal to the acquisition point of the recording end signal, and acquiring a snap signal In case, it includes the step of generating still image information corresponding to the acquisition point of the snap signal using the camera device, wherein the snap signal is after the acquisition point of the recording start signal and before the acquisition point of the recording end signal When acquired, the still image information may be generated during the recording process.

According to the present invention, video information can be flexibly provided in multiple angles by simultaneously providing a recording function, an image checking function, and a snap function.

According to the present invention, it is possible to provide high expandability and utility by mounting various communication modules.

The effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those of ordinary skill in the art from the following description. will be.

Other aspects, features and benefits as described above of certain preferred embodiments of the present invention will become more apparent from the following description, which is handled in conjunction with the accompanying drawings.
1 is a conceptual diagram illustrating a body camera device according to an embodiment of the present invention.
2 is a block diagram of a body camera device according to an embodiment of the present invention.
3 is a flowchart of a method of providing image information performed by a body camera device according to an embodiment of the present invention.
4 is a diagram illustrating an image coding algorithm according to an embodiment of the present invention.
5 is a block diagram illustrating a module implementing an embodiment of the present invention.
It should be noted that throughout the drawings, like reference numbers are used to show the same or similar elements, features, and structures.

In the present invention, various modifications may be made and various embodiments may be provided, and specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, this is not intended to limit the present invention to a specific embodiment, it is to be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals have been used for similar elements.

Terms such as first, second, A, and B may be used to describe various elements, but the elements should not be limited by the terms. These terms are used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element. The term "and/or" includes a combination of a plurality of related stated items or any of a plurality of related stated items.

When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. Should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms as defined in a commonly used dictionary should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In describing the present invention, in order to facilitate an overall understanding, the same reference numerals are used for the same elements in the drawings, and duplicate descriptions for the same elements are omitted.

1 is a conceptual diagram illustrating a body camera device according to an embodiment of the present invention.

An embodiment of the present invention may provide a part of a user's body or a wearable body camera device (hereinafter, a body cam) as shown in FIG. 1. That is, the body cam does not affect the user's activity and can be used in various environments as it can acquire and store audio and/or image information about a situation in which the user is facing.

Since the body cam may be a part of the user's body or wearable as described above, it may be a portable device, and may perform wired/wireless communication by mounting a wired/wireless communication module. Alternatively, the bodycam may communicate with a user or a computing device of another user based on a wired/wireless communication module. Here, the computing device is a device capable of computing and may represent various devices such as a PC, a smart phone, or a tablet. This may be simply referred to as a user terminal.

For example, the body cam may be equipped with a wireless communication module, and may transmit various information such as audio information or image information to a user or another user's computing device by using this. The body cam may perform wireless communication only with a computing device that is previously interlocked, but is not limited thereto. For example, the wireless communication module may include a Wi-Fi module, a Bluetooth module, or a mobile communication module, but is not limited thereto because a module that performs another method capable of wireless communication may be further included.

Or, for example, the bodycam may be equipped with a wired communication module, and may transmit various information such as audio information or image information to a user or another user's computing device by using this. In this case, the body cam may transmit various information using a physical connection line such as a cable, and may include a physical input/output terminal.

The body cam can perform various functions or operations, and each function will be described below. Each function may be individually executed one by one, but at least some of the functions may be executed simultaneously.

According to an embodiment, the body cam may obtain a recording start signal from the user, and in this case, the body cam may start recording using a camera device of the body cam. In addition, the bodycam can acquire a recording end signal after the recording start signal is acquired. In this case, the recording process is terminated according to the recording start signal, and from the acquisition point of the recording start signal to the acquisition point of the recording end signal. You can create video information about. That is, the body cam may start and/or end recording according to a signal.

For example, the recording start signal and the recording end signal may be obtained by receiving an electronic signal from a user terminal through wired or wireless communication, but may be input from the user through a single physical button. However, when the recording start signal and the recording end signal are acquired through different physical buttons, the bodycam may acquire the recording end signal before the acquisition point of the recording start signal, and in this case, no action is performed. I can.

According to an embodiment, the body cam may acquire a snap signal from a user, and in this case, the body cam may generate still image information corresponding to the acquisition time point of the snap signal using a camera device of the body cam. In other words, the body cam may perform a snap or capture function according to a signal. For example, the snap signal may be obtained by receiving an electronic signal from a user terminal through wired or wireless communication, but may be input from the user through a single physical button.

For example, when the snap signal is acquired after the above-described acquisition time of the recording start signal and before the acquisition time of the recording end signal, according to an embodiment, still image information may be generated while recording is in progress.

For example, when a snap signal, a recording start signal, or a recording end signal is input through one physical button, the snap signal may be input when the button is pressed for more than a certain period of time, and the recording start signal is less than a certain time. When the button is pressed, the recording end signal may be input when the button is pressed in the same manner as the recording start signal after the recording start signal is input. However, as described above, the snap signal, the recording start signal, and the recording end signal may be obtained by receiving individual electronic signals, different physical buttons may be used, or different manipulation methods may be used. It is not.

According to an embodiment, the body cam may obtain a lens change signal from the user, and one of the plurality of lenses is placed between the image sensor of the camera device and the image to be photographed by the camera device using the lens mount structure of the body cam. Can be located. That is, the body cam can mount a plurality of lenses, and a lens to be applied to the camera device can be changed using a lens mount structure. Here, the plurality of lenses may be included or mounted in the lens mount structure, and may have different magnifications. For example, the plurality of lenses may include an LS-4011 lens.

According to an embodiment, the bodycam may obtain a change signal of the number of frames per second, and in this case, the number of frames per second applied when recording a video, that is, when generating video information, may be changed. Thereafter, when the body cam generates video information according to a recording start signal and a recording end signal, the number of frames per second of the video information may be according to the changed number of frames. However, when there is no signal for changing the number of frames per second, a default value may be preset and applied.

The above-described lens change signal or the frame rate change signal may also be obtained by receiving an electronic signal from a user terminal through wired or wireless communication, but may be input from the user through different physical buttons.

The body cam according to an embodiment of the present invention may also provide a function of checking a video being recorded even while the video is being recorded. For example, the body cam according to an embodiment may acquire a video playback signal, and in this case, it may generate temporary video information from the acquisition point of the recording start signal to the acquisition point of the video playback signal, and You can play the video. In addition, even in this case, according to an exemplary embodiment, recording in progress may be continued until a recording end signal is obtained. Alternatively, for example, when the bodycam according to an embodiment acquires a real-time playback signal after a recording start signal is acquired and before a recording end signal is acquired, the currently recorded image may be reproduced in a streaming manner. Even in this case, according to an exemplary embodiment, recording in progress may be continued until a recording end signal is obtained.

Here, temporary video information or information for reproducing an image through a streaming method may be transmitted to a connected user terminal through wired or wireless communication, and the video may be played based on information received from the user terminal. Alternatively, the video may be played back on the display device based on temporary video information or information for reproducing the video through a streaming method by connecting to a display device through wired or wireless communication.

For example, the body cam according to an embodiment may further include a Global Positioning System (GPS) module. In this case, the body cam may also generate absolute position information when generating moving image information or still image information using a GPS module. In other words, the bodycam can generate absolute position information at each preset time interval using the GPS module from the acquisition point of the recording start signal to the acquisition point of the recording end signal, and the generated absolute position information is Can be synchronized. Alternatively, the bodycam may generate absolute position information using a GPS module at the time of acquisition of the snap signal, and the generated absolute position information may be mapped to still image information according to the snap signal.

In this case, when a video is played based on the video information, absolute location information synchronized with the playback may be provided according to the playback time of the video. Alternatively, when still image information is provided, the mapped absolute position information may be provided together.

For example, an embodiment may apply different image coding algorithms when generating moving image information or still image information. For example, an image coding algorithm used to generate moving image information may be referred to as a first image coding algorithm, and an image coding algorithm used to generate still image information may be referred to as a second image coding algorithm. Here, the image coding algorithm used to reproduce the moving picture based on the moving picture information may be the same or similar to the image coding algorithm used to generate the moving picture information, and the image coding algorithm used to provide a still image based on the still image information. May be the same as or similar to an image coding algorithm used to generate still image information. For example, the second image coding algorithm may be coded with a higher resolution than the first image coding algorithm for the same image. However, conversely, the first image coding algorithm may be applied to the still image information, and the second image coding algorithm may be applied to the moving image information. This will be described in detail in FIG. 4.

The body cam according to an embodiment of the present invention may include a processor and a memory, which may be mounted on at least one board. In addition, the at least one board may be connected to the above-described camera device, and may further mount a GPS module or a wired/wireless communication module. Here, the camera device may include a visible light recognition image sensor, but may further include an infrared recognition image sensor. When the camera device includes an infrared-recognized image sensor, when the illuminance is dark, photographing may be performed based on this, which may be switched by the user, but may be automatically switched based on this by further including an illuminance sensor. have.

For example, the at least one board includes 11 digital input/output pins, a lithium-based battery, a Secure Digital (SD) memory card recognition module, a T-flash (TF) memory card recognition module, an SPI interface for camera commands and data streams. At least one of a module, a micro USB-Serial interface module, a 2MP (mega pixel) camera interface module, a wired communication module, and a wireless communication module may be further mounted. For example, 11 digital input/output pins may consist of 3 ports. Or, for example, the lithium-based battery may be a battery having a specification of up to 3.7 volts/500 mA. Here, the TF memory card may be referred to as a micro SD memory card.

The body cam according to an embodiment of the present invention may have various functions, operations, or structures in addition to the above-described functions, operations, or structures. For example, the bodycam can support the JPEG compression mode as an image coding algorithm for still images. A single shooting mode for recording a single image and multiple camera devices are connected to record multiple spatial viewpoints together or Based on the camera device, a multi-capturing mode in which a plurality of images are simultaneously recorded by different temporal viewpoints may be supported, and a low power mode may also be supported. In addition, at least one of a capture operation of capturing a specific frame within the video information, a multiple read operation of reading a plurality of video information or still image information at a time, and a burst read operation may be performed.

Or, for example, the body cam may improve the pixels and streams of images secured in real time through various structures or functions, and check the video or recorded video through real-time streaming through the application of the user terminal, These images can be saved. In addition, corresponding images may be encrypted and stored to prevent data tampering. In addition, various functions, operations or structures such as improvement of battery charging function, miniaturization of the body cam through board miniaturization, linkage with a server capable of uploading or managing image information, source code synthesis function, and LED indicating current operation. Can be provided.

2 is a block diagram of a body camera device according to an embodiment of the present invention.

Referring to FIG. 2, a body camera device 200 according to an embodiment of the present invention may include at least one processor 210, a memory 220, and a storage device 230. In addition, the body camera device 200 may further include a camera device capable of capturing a moving image and/or a still image.

The processor 210 may execute a program command stored in the memory 220 and/or the storage device 230. The processor 210 may mean a central processing unit (CPU), a graphics processing unit (GPU), or a dedicated processor in which the methods according to the present invention are performed. The memory 220 and the storage device 230 may be formed of a volatile storage medium and/or a nonvolatile storage medium. For example, the memory 220 may be composed of read only memory (ROM) and/or random access memory (RAM).

The memory 220 may store at least one instruction executed through the processor 210. At least one command is executed to start recording using the camera device when acquiring a recording start signal, and when acquiring a recording end signal after the acquisition point of the recording start signal, recording according to the recording start signal When the process is terminated and the video information is generated from the acquisition point of the recording start signal to the acquisition point of the recording end signal, when the snap signal is acquired, the snap signal is acquired using the camera device It may be executed to generate still image information corresponding to. Here, when the snap signal is acquired after the acquisition point of the recording start signal and before the acquisition point of the recording end signal, the still image information may be generated during the recording process.

For example, when the camera device includes a lens mount structure, the lens mount structure includes a plurality of lenses having different magnifications, and the at least one command obtains a lens change signal, the lens mount structure is It may be executed to position one of the plurality of lenses between the image sensor of the camera device and the image to be photographed by the camera device.

For example, the at least one command may be executed to change the number of frames per second of video information to be recorded according to the recording start signal and the recording end signal when obtaining a change signal of the number of frames per second, and the video information May be generated based on the changed number of frames per second.

For example, when the at least one command is obtained after the video playback signal is acquired after the recording start signal is acquired and before the recording end signal is acquired, the video playback signal is acquired from the acquisition point on the recording start signal. It is executed to generate temporary video information up to the point in time, the video may be played back based on the temporary video information, and the recording process may be continued until the recording end signal is obtained.

For example, the at least one command may be executed to reproduce the currently recorded image in a streaming method when the real-time playback signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, The recording process may be continued until the recording end signal is obtained.

For example, the body camera device 200 further includes a Global Positioning System (GPS) module, and the at least one command uses the GPS module from a time point when the recording start signal is acquired to a time point when the recording end signal is acquired. Thus, it may be executed to generate absolute location information at each preset time interval, and the absolute location information may be temporally synchronized with the video information, a video is played based on the video information, and the synchronized with the playback Location information according to the playback time of the video may be provided based on the absolute location information.

For example, the processor and the memory may be mounted on at least one board, and the at least one board may include 11 digital input/output pins, a lithium-based battery, an SD memory card recognition module, and a wireless communication module. .

For example, the moving image information is generated based on a first image coding algorithm, the still image information is generated based on a second image coding algorithm, and the second image coding algorithm is used for the same image. It can be coded with a higher resolution than the coding algorithm.

For example, the second image coding algorithm includes an algorithm for performing multi-reference line intra prediction on a luminance component of the still image information and a single reference line intra prediction on a chrominance component corresponding to the luminance component. In addition, the first image coding algorithm may include an algorithm for performing the single reference line intra prediction on the luminance component and the color difference component of the moving image information.

3 is a flowchart of a method of providing image information performed by a body camera device according to an embodiment of the present invention.

Referring to FIG. 3, in an embodiment, when a recording start signal is obtained, recording may be started using the camera device (S310).

In one embodiment, when the recording end signal is acquired after the recording start signal is acquired, the recording process according to the recording start signal is terminated, and from the acquisition point of the recording start signal to the acquisition point of the recording end signal. It is possible to generate information about the video (S320).

According to an embodiment, when a snap signal is acquired, still image information corresponding to the acquisition time point of the snap signal may be generated using the camera device (S330). For example, when the snap signal is acquired after the recording start signal is acquired and before the recording end signal is acquired, the still image information may be generated during the recording process.

In addition, although not shown in FIG. 3, for example, the camera device may include a lens mount structure, and the lens mount structure may include a plurality of lenses having different magnifications, and in one embodiment, a lens change signal In the case of obtaining, using the lens mount structure, one of the plurality of lenses may be positioned between an image sensor of the camera device and an image to be captured by the camera device.

Or, for example, in an embodiment, when a change signal of the number of frames per second is obtained, the number of frames per second of video information to be recorded may be changed according to the recording start signal and the recording end signal, in which case the video information is It may be generated based on the changed number of frames per second.

Or, for example, in one embodiment, when the video playback signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, from the acquisition time of the recording start signal to the acquisition time of the video playback signal Temporary video information about until may be generated, in which case the video may be played based on the temporary video information, and the recording process may be continued until the recording end signal is obtained.

Or, for example, in an embodiment, when a real-time playback signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, the currently recorded image may be played back in a streaming method. The recording process may be continued until the recording end signal is obtained.

Or, for example, an embodiment may further include a Global Positioning System (GPS) module, from a time point when the recording start signal is acquired to a time point at which the recording end signal is acquired, at each preset time interval using the GPS module. You can create absolute location information. In this case, the absolute location information may be temporally synchronized with the video information, and in one embodiment, a video is played based on the video information, and the video is played based on the synchronized absolute location information. Location information according to the playback time can be provided.

Or, for example, in one embodiment, the processor and the memory may be mounted on at least one board, and the at least one board may include 11 digital input/output pins, a lithium-based battery, an SD memory card recognition module, and a wireless communication module. It may include.

Or, for example, according to an embodiment, the moving picture information may be generated based on a first image coding algorithm, and the still image information may be generated based on a second image coding algorithm, and the second image coding The algorithm may be coded with a higher resolution than the first image coding algorithm for the same image.

In this case, for example, the second image coding algorithm performs multi-reference line intra prediction on the luminance component of the still image information, and a single reference line intra prediction on the chrominance component corresponding to the luminance component. The first image coding algorithm may include an algorithm for performing the single reference line intra prediction on the luminance component and the color difference component of the moving picture information. That is, it is possible to perform more precise prediction on still image information than on moving image information, and to generate image information having a higher resolution compared to capacity by causing relatively high coding efficiency. Multi-reference line intra prediction or single reference line intra prediction will be additionally described in FIG. 4.

The operation, function, or structure described with reference to FIG. 3 may be some of the embodiments of the present invention as an example. That is, it is apparent that an embodiment of the present invention may further include at least some of the various operations, functions, or structures described with reference to FIGS. 1 to 4 even if not illustrated in FIG. 3.

In addition, the above-described features can be implemented by the configurations shown in FIG. 5 of the present invention (e.g., RFchain, RF receiver, Analog Receiver, Analog Transmit, PLL, CPU, PLL, Flash, etc.), and the functions of each component are It is possible to refer to the contents performed by the skilled person.

4 is a diagram illustrating an image coding algorithm according to an embodiment of the present invention.

The body camera device according to an embodiment of the present invention may perform an image encoding method to generate image information from an image. That is, the image information may represent encoded information. Here, the image may include a still image and/or a moving image.

An image encoding method according to an embodiment may divide an image into one or more units, and an encoding procedure may be performed based on each unit. Here, the unit may be referred to as a processing unit, a coding unit, a block or a block unit. In one embodiment, prediction may be performed for each unit, residual information may be generated by comparing the predicted prediction information and an input image, and after performing a transformation and quantization procedure on the residual information, entropy Encoding can be performed.

Here, an embodiment may perform intra prediction and/or inter prediction as a prediction method. For example, intra prediction may indicate that prediction is performed with reference to a region adjacent to a currently processed unit in a current frame, and inter prediction may indicate that prediction is performed with reference to another frame. For example, since a still image is composed of one frame or one picture, only intra prediction may be performed, and a moving image is composed of a plurality of frames or a plurality of pictures, so intra prediction and/or inter prediction are to be performed. I can.

For example, both the first image coding algorithm and the second image coding algorithm according to an embodiment may perform the above-described procedure, and intra prediction and/or inter prediction may be applied for each frame or unit. However, in the second image coding algorithm, multi-reference line intra prediction in which a region that can be referenced from a currently processing unit may be widened for more accurate prediction. However, this may be applied only to the luminance component in order to prevent too high complexity among the luminance component and the color difference component constituting an image.

Referring to FIG. 4, a block unit may indicate a unit currently being processed, and reference line 0 (reference line 0) may indicate pixels 0 that are immediately adjacent to the left and upper sides of the currently processed unit, and reference line 1 (Reference line 1) may represent pixels 1 positioned next to the 0 pixels to the left and upper sides of the currently processing unit, and reference line 2 (reference line 2) may indicate the left and upper pixels of the currently processing unit. Pixels 2 positioned next to the pixels 1 may be displayed upward, and reference line 3 (reference line 3) is a pixel 3 located next to the pixels 2 to the left and upward to the current processing unit. Can represent.

For example, multi-reference line intra prediction may refer to pixels located at reference lines 0 to 3 to predict a unit currently being processed, and single reference line intra prediction refers to only pixels located at reference line 0. I can. Accordingly, the second image coding algorithm using multi-reference line intra prediction can perform more accurate prediction than the first image coding algorithm using single reference line intra prediction, and accordingly, the amount of residual information may be lower, and the generated The capacity of image information may be relatively small. In addition, when coding is set to have the same capacity, the second image coding algorithm may generate image information having a higher resolution than the first image coding algorithm.

The operation according to an embodiment of the present invention can be implemented as a computer-readable program or code on a computer-readable recording medium. The computer-readable recording medium includes all types of recording devices that store data that can be read by a computer system. In addition, the computer-readable recording medium may be distributed over a computer system connected through a network to store and execute a computer-readable program or code in a distributed manner.

In addition, the computer-readable recording medium may include a hardware device specially configured to store and execute program commands, such as ROM, RAM, and flash memory. The program instructions may include not only machine language codes such as those produced by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like.

While some aspects of the invention have been described in the context of an apparatus, it may also represent a description according to a corresponding method, where a block or apparatus corresponds to a method step or characteristic of a method step. Similarly, aspects described in the context of a method can also be represented by a corresponding block or item or a feature of a corresponding device. Some or all of the method steps may be performed by (or using) a hardware device such as, for example, a microprocessor, a programmable computer or electronic circuit. In some embodiments, one or more of the most important method steps may be performed by such an apparatus.

In embodiments, a programmable logic device (eg, a field programmable gate array) may be used to perform some or all of the functionality of the methods described herein. In embodiments, the field programmable gate array may work with a microprocessor to perform one of the methods described herein. In general, the methods are preferably performed by some hardware device.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the following claims. You will understand that you can do it.

Claims (9)

A body camera device that provides image information,
Camera device;
GPS (Global Positioning System) module;
Processor; And
Includes a memory (memory) in which at least one instruction executed through the processor is stored,
The at least one command,
When obtaining a recording start signal, it is executed to start recording using the camera device,
When the recording end signal is acquired after the recording start signal is acquired, the recording process according to the recording start signal is terminated, and video information about the time from the acquisition point of the recording start signal to the acquisition point of the recording end signal is obtained. Run to create,
When obtaining the snap signal, it is executed to generate still image information corresponding to the acquisition time point of the snap signal using the camera device,
When the snap signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, the still image information is generated during the recording process,
The at least one command,
It is executed to generate absolute position information at preset time intervals using the GPS module from the acquisition time point of the recording start signal to the acquisition time point of the recording end signal,
The absolute location information is temporally synchronized with the video information,
Reproducing a video based on the video information, and providing location information according to a playback time point of the video based on the absolute location information synchronized with the playback,
Body camera device. The method according to claim 1,
The camera device includes a lens mount structure,
The lens mount structure includes a plurality of lenses having different magnifications,
The at least one command,
In the case of obtaining a lens change signal, the lens mount structure is used to position one of the plurality of lenses between an image sensor of the camera device and an image to be photographed by the camera device,
Body camera device. The method according to claim 1,
The at least one command,
When obtaining a change signal of the number of frames per second, the number of frames per second of video information to be recorded is changed according to the recording start signal and the recording end signal
The video information is generated based on the changed number of frames per second,
Body camera device. The method according to claim 1,
The at least one command,
When the video playback signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, to generate temporary video information from the acquisition time of the recording start signal to the acquisition time of the video playback signal Run,
It is executed to play a video based on the temporary video information,
Characterized in that continuing the recording process until the recording end signal is obtained,
Body camera device. The method according to claim 1,
The at least one command,
When the real-time playback signal is acquired after the acquisition time of the recording start signal and before the acquisition time of the recording end signal, the currently recorded image is reproduced in a streaming manner,
Characterized in that continuing the recording process until the recording end signal is obtained,
Body camera device. delete The method according to claim 1,
The processor and the memory are mounted on at least one board,
The at least one board comprises 11 digital input/output pins, a lithium-based battery, an SD memory card recognition module, and a wireless communication module,
Body camera device. The method according to claim 1,
The video information is generated based on a first video coding algorithm,
The still image information is generated based on a second image coding algorithm,
The second image coding algorithm is characterized in that the same image is coded with a higher resolution than the first image coding algorithm,
Body camera device. The method of claim 8,
The second image coding algorithm includes an algorithm for performing multi-reference line intra prediction on a luminance component of the still image information and a single reference line intra prediction on a chrominance component corresponding to the luminance component,
The first image coding algorithm comprises an algorithm for performing the single reference line intra prediction on a luminance component and a color difference component of the moving picture information,
Body camera device.

Images