CN114500981A - Method, device, equipment and medium for tracking venue target - Google Patents
Method, device, equipment and medium for tracking venue target Download PDFInfo
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- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
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Abstract
The application relates to a method, a device, equipment and a medium for tracking a target in a venue, which are applied to the technical field of intelligent equipment, wherein the method comprises the following steps: responding to a target selection action of a user, and acquiring first related characteristic information of a selected target; collecting a wide-angle image by using a wide-angle camera; judging whether the wide-angle image contains the selected target or not according to the first relevant feature information of the selected target; if yes, focusing the wide-angle image by using a long-focus camera according to first related characteristic information of the selected target, and collecting a focusing image containing the selected target; and if not, generating prompt information, wherein the prompt information is used for prompting a user to change the shooting angle of the wide-angle camera. The method and the device have the effect of improving the watching experience of the user.
Description
Technical Field
The present application relates to the field of intelligent device technologies, and in particular, to a method, an apparatus, a device, and a medium for tracking a venue target.
Background
Football attracts thousands of fans as the first sport in the world, so that a great number of fans can go to the scene to watch each football match, and the football team supported by the football player can be shout for help.
In the process of going on in the ball match, because the match place is great, the condition on the match place can only be seen clearly through watching on-the-spot large screen to fans far away in the scene, and the visual angle of large screen display picture is limited, can't satisfy masses fans ' the demand of watching, simultaneously, when the camera was traced the football, often because the high-speed motion of football leads to the football to break away from the picture, has influenced fans's the experience of watching.
Disclosure of Invention
In order to improve the viewing experience of a user, the application provides a method, a device, equipment and a medium for tracking a venue target.
In a first aspect, the present application provides a venue target tracking method, which adopts the following technical scheme:
a head-mounted display device based tracking method, comprising:
responding to a target selection action of a user, and acquiring first related characteristic information of a selected target;
collecting a wide-angle image by using a wide-angle camera;
judging whether the wide-angle image contains the selected target or not according to the first relevant feature information of the selected target;
if yes, focusing the wide-angle image by using a long-focus camera according to first related characteristic information of the selected target, and collecting a focusing image containing the selected target;
and if not, generating prompt information, wherein the prompt information is used for prompting a user to change the shooting angle of the wide-angle camera.
By adopting the technical scheme, after the user selects the target, the wide-angle camera is used for collecting the images in the venue to obtain the wide-angle image, when the selected target is separated from the wide-angle image, prompt information is generated to prompt the user to change the shooting angle of the wide-angle camera, so that the wide-angle image always contains the selected target, the user can pay attention to the selected target at any time when watching the video, and the watching experience of the user is improved.
Optionally, if the selected target is a human body, the first relevant feature information includes at least one of a facial image feature, a wearing image feature, and a bone point;
if the selected target is a sphere, the first relevant feature information comprises a sphere volume and a pattern.
By adopting the technical scheme, when the selected target is determined to be a human body, a player meeting the characteristics can be searched on a competition field through the camera according to the number of the player, the color of the ball cover and the bone point of the player, and then tracking is carried out, so that the user can more conveniently enjoy the operation of the supported player; when the target is the spheroid in the selection, because the scene can appear the icon of football or the football of equidimension not, lead to tracking failure, so need acquire the size and the colour of football, watch the people and can whole journey track the football simultaneously when watching the match, pay close attention to the focus of match constantly to improve user's viewing experience.
Optionally, the determining whether the wide-angle image includes the selected target includes:
extracting the relevant features of all targets in the wide-angle image to obtain second relevant feature information;
comparing the second relevant feature information with the first relevant feature information;
if the comparison is consistent, judging that the wide-angle image comprises the selected target;
and if the contrast is inconsistent, judging that the wide-angle image does not contain the selected target.
Optionally, the focusing the wide-angle image by using a telephoto camera, and the acquiring a focused image including the selected target includes:
acquiring the position of the selected target in the wide-angle image;
focusing the area with the selected target as the center by using a long-focus camera to obtain a focusing picture;
extracting relevant characteristic information of all targets in the focusing picture to obtain third relevant characteristic information;
comparing the third relevant characteristic information with the first relevant characteristic information;
if the comparison is consistent, taking the focusing picture as the focusing image containing the selected target;
if the comparison is inconsistent, the long-focus camera is repeatedly used for focusing the area taking the selected target as the center, and a focusing picture is obtained.
By adopting the technical scheme, the focusing image is an enlarged image which takes the selected target as the center in the wide-angle image, so that a user can clearly see the selected target when watching a match, and the watching experience of the user in watching the match is improved.
Optionally, the generating the prompt information includes:
acquiring a movable panoramic image corresponding to the venue;
determining position information of the selected target in the movable panoramic image;
determining relative position information of the wide-angle image and the movable panoramic image;
determining a shift direction of the selected target from the wide-angle image based on the position information and the relative position information;
generating the hint information based on the offset direction.
By adopting the technical scheme, when the wide-angle image does not contain the selected target, the offset direction of the selected target and the wide-angle image is judged by comparing the position information of the selected target in the movable panoramic image with the relative position information of the wide-angle image and the movable panoramic image, and prompt information is generated according to the offset direction, so that the user can adjust the wide-angle camera more conveniently.
Optionally, the head mounted display device comprises a vibration motor; the prompt message comprises:
the different offset directions correspond to different vibration attributes of the vibration motor;
wherein the vibration attribute comprises vibration intensity, vibration frequency and/or vibration time.
Through adopting above-mentioned technical scheme, the user can be more accurate make wide-angle camera to select the target to track when the shooting angle of wide-angle camera is adjusted according to the prompt message to improve user's the experience of watching.
In a second aspect, the present application provides a venue target tracking apparatus, which adopts the following technical solution:
an object tracking device for a stadium, applied to a head-mounted display device, the device comprising:
the response acquisition module is used for responding to a target selection action of a user and acquiring first related characteristic information of a selected target;
the acquisition module acquires a wide-angle image by using a wide-angle camera;
the judging module is used for judging whether the wide-angle image contains the selected target or not according to the first related characteristic information of the selected target;
the focusing acquisition module is used for focusing the wide-angle image by using a long-focus camera according to the first related characteristic information of the selected target and acquiring a focusing image containing the selected target;
and the generation prompting module generates prompting information and prompts a user to change the shooting angle of the wide-angle camera according to the prompting information.
In a third aspect, the present application provides a head-mounted display device, which adopts the following technical solutions:
a head-mounted display device comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that performs the method of any of the first aspects.
In a fourth aspect, the present application provides a computer-readable storage medium, which adopts the following technical solutions:
a computer-readable storage medium storing a computer program that can be loaded by a processor and that executes the hinting method of any one of the first aspects.
Drawings
Fig. 1 is a schematic flowchart of a stadium target tracking method according to an embodiment of the present disclosure.
Fig. 2 is a block diagram illustrating a structure of a stadium target tracking device according to an embodiment of the disclosure.
Fig. 3 is a block diagram of a head-mounted display device according to an embodiment of the present disclosure.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
Fig. 1 is a schematic flowchart of a stadium target tracking method according to an embodiment of the present disclosure.
As shown in fig. 1, the main flow of the method is described as follows (steps S101 to S105):
step S101, responding to a target selection action of a user, and acquiring first related characteristic information of a selected target.
Specifically, a user inputs an object to be watched into the head-mounted display device, the user can input the object to be watched by voice, the mobile terminal can be wirelessly connected with the head-mounted display device, the object to be watched by the user is input into the mobile terminal, and then when the head-mounted display device selects the object, the head-mounted display device retrieves first relevant feature information of the selected object, and explains the selected object to the user in a voice playing mode.
As an optional implementation manner of this embodiment, the manner of acquiring the first relevant feature information may be that the head-mounted display device is connected to the internet, and the first relevant feature information is acquired through the internet, or the first relevant feature information of the selected target may be manually input by a staff of the venue.
Further, if the selected target is a player, the first related feature information comprises at least one of facial image features, wearing image features and bone points of the player;
if the selected target is a football, the first relevant characteristic information comprises the volume and the pattern of the football.
And step S102, collecting wide-angle images of the venue.
Specifically, head mounted display device includes wide angle camera, and when the user used head mounted display device to watch the match, wide angle camera changed wide angle camera's shooting direction along with the removal of user's sight to gather the wide angle image in venue.
Step S103, judging whether the wide-angle image contains the selected target or not according to the first relevant characteristic information of the selected target; if so, the process proceeds to step S104, otherwise, the process proceeds to step S105.
As an optional implementation manner in this embodiment, the determining whether the wide-angle image includes the selected target includes: extracting the relevant features of all targets in the wide-angle image to obtain second relevant feature information; comparing the second relevant characteristic information with the first relevant characteristic information; if the comparison is consistent, judging that the wide-angle image comprises the selected target; and if the contrast is inconsistent, judging that the wide-angle image does not contain the selected target.
Specifically, when a user watches a football game, the head-mounted display device takes a nine-player as a selected target, then obtains facial image features, wearing image features and bone points of the nine-player as reference objects, collects a wide-angle image of a venue, then extracts related feature information of all targets of a human body in the wide-angle image by adopting an image feature extraction algorithm to obtain second related feature information, wherein all targets in the wide-angle image may comprise the nine-player, a seven-player, a thirteen-player and the like, the second related feature information comprises facial image features, wearing image features and bone points of all players, then compares the second related feature information with the first related feature information, and when the second related feature information which accords with the first related feature information of the nine-player exists in the wide-angle image, and judging that the wide-angle image contains no player nine, and when all the targets in the wide-angle image do not accord with the first related characteristic information of the player nine, judging that the wide-angle image does not contain the player nine.
And step S104, focusing the wide-angle image by using the tele-camera according to the first related characteristic information of the selected target, and collecting a focused image containing the selected target.
In this embodiment, the head-mounted display device further includes a tele-camera, and when the head-mounted display device determines that the wide-angle image includes the selected target, focusing the wide-angle image with the tele-camera, and acquiring the focused image including the selected target includes: acquiring the position of a selected target in a wide-angle image; focusing the area with the selected target as the center by using the long-focus camera to obtain a focusing picture; extracting relevant characteristic information of all targets in the focusing picture to obtain third relevant characteristic information; comparing the third relevant characteristic information with the first relevant characteristic information; if the comparison is consistent, taking the focusing picture as a focusing image containing the selected target; if the contrast is inconsistent, the long-focus camera is repeatedly used for focusing the area taking the selected target as the center, and a focusing image is obtained.
Specifically, the head-mounted display device extracts third relevant feature information of all targets in a focusing picture, wherein all targets in the focusing picture may include a nine-player and/or a seven-player and the like, the third relevant feature information includes a face image feature, a wearing image feature and bone points of the players, the third relevant feature information is compared with the first relevant feature information, when the third relevant feature information meeting the first relevant feature information of the nine-player exists in the focusing picture, it can be determined that the focusing picture contains the nine-player, and when all targets in the focusing picture do not meet the first relevant feature information of the nine-player, it is necessary to repeatedly use the long-focus camera to focus on a region with the selected target as a center, so as to obtain the focusing picture until the focusing picture contains the selected target.
In this embodiment, the user receives the distance influence when watching football match at the scene, can't see sportsman's action clearly when watching, has influenced user's viewing experience, so can utilize long focus camera to focus in order selecting the target as the region of center, acquire the picture of focusing, make the user when watching, the operation of seeing sportsman that can be more clear, promote user's viewing experience.
And step S105, generating prompt information, wherein the prompt information is used for prompting a user to change the shooting angle of the wide-angle camera.
As an optional manner of this embodiment, the generating the prompt information includes: acquiring a movable panoramic image corresponding to a venue; determining the position information of the selected target in the movable panoramic image; determining relative position information of the wide-angle image and the movable panoramic image; judging the offset direction of the selected target and the wide-angle image based on the position information and the relative position information; the hint information is generated based on the offset direction.
Specifically, when the wide-angle image does not contain the selected target, a plurality of cameras at different positions in the venue need to be preset, the head-mounted display device acquires a moving panoramic image of the venue, then determines the position information of the selected target in the moving panoramic image based on the first relevant feature information of the selected target, then determines the relative position information of the wide-angle image in the moving panoramic image based on a picture in the wide-angle image, the offset direction of the selected target relative to the wide-angle image can be judged according to the position information of the selected target and the relative position information of the wide-angle image, and the head-mounted display device generates prompt information based on the offset direction.
For example, when the wide-angle image is in the left half of the active panoramic image and the selected object is in the right half of the active panoramic object, the head-mounted display device generates a hint that is offset to the right; when the wide-angle image is positioned on the right half part of the movable panoramic image and the selected target is positioned on the left half part of the movable panoramic target, the head-mounted display equipment generates prompting information deviated to the left;
as an alternative of this embodiment, the head-mounted display device includes a vibration motor; the prompt message comprises: different deviation directions correspond to different vibration attributes of the vibration motor; wherein the vibration attribute comprises vibration intensity, vibration frequency and/or vibration time.
Specifically, the head-mounted display device may control the vibration frequency of the vibration motor to be 30 when the selected object is shifted to the left with respect to the wide-angle image and to be 20 when the selected object is shifted to the right with respect to the wide-angle image, for example, but not limited to, when the head-mounted display device prompts the user.
Fig. 2 is a block diagram illustrating an example of a stadium target tracking device 200 according to an embodiment of the disclosure.
As shown in fig. 2, a stadium target tracking device 200 mainly includes:
a response obtaining module 201, configured to respond to a target selection action of a user and obtain first relevant feature information of a selected target;
a wide-angle acquisition module 202, configured to acquire a wide-angle image using a wide-angle camera;
the judging module 203 is configured to judge whether the wide-angle image includes the selected target according to the first relevant feature information of the selected target;
the focusing acquisition module 204 is configured to focus the wide-angle image by using a long-focus camera according to the first relevant feature information of the selected target, and acquire a focused image including the selected target;
the generating module 205 generates a prompt message, where the prompt message is used to prompt the user to change the shooting angle of the wide-angle camera.
As an optional implementation manner of the embodiment of the present application, the response obtaining module 201 is further specifically configured to, if the selected target is a human body, determine that the first relevant feature information includes at least one of a facial image feature, a wearing image feature, and a bone point; if the selected target is a sphere, the first relevant feature information comprises a sphere volume and a pattern.
As an optional implementation manner of the embodiment of the present application, the determining module 203 is further specifically configured to extract relevant features of all targets in the wide-angle image to obtain second relevant feature information; comparing the second relevant characteristic information with the first relevant characteristic information; if the comparison is consistent, judging that the wide-angle image contains the selected target; and if the contrast is inconsistent, judging that the wide-angle image does not contain the selected target.
As an optional implementation manner of the embodiment of the present application, the focus acquisition module 204 is further specifically configured to acquire a position of the selected target in the wide-angle image; focusing the area with the selected target as the center by using the long-focus camera to obtain a focusing picture; extracting relevant characteristic information of all targets in the focusing picture to obtain third relevant characteristic information; comparing the third relevant characteristic information with the first relevant characteristic information; if the comparison is consistent, taking the focusing picture as a focusing image containing the selected target; and if the contrast is inconsistent, repeatedly utilizing the long-focus camera to focus the area taking the selected target as the center to obtain a focused image.
As an optional implementation manner of the embodiment of the present application, the generating module 205 is further specifically configured to obtain a moving panoramic image corresponding to a venue; determining the position information of the selected target in the movable panoramic image; determining relative position information of the wide-angle image and the movable panoramic image; judging the offset direction of the selected target and the wide-angle image based on the position information and the relative position information; the hint information is generated based on the offset direction.
As an optional implementation manner of the embodiment of the present application, the generating module 205 is further specifically configured to enable the head-mounted display device to include a vibration motor; the prompt message comprises: different deviation directions correspond to different vibration attributes of the vibration motor; wherein the vibration attribute comprises vibration intensity, vibration frequency and/or vibration time.
In one example, the modules in any of the above apparatus may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), or a combination of at least two of these integrated circuit forms.
For another example, when a module in a device may be implemented in the form of a processing element scheduler, the processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of invoking programs. As another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and modules may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Fig. 3 is a block diagram of a head-mounted display device 300 according to an embodiment of the present disclosure.
As shown in fig. 3, the head mounted display device 300 includes a memory 301, a processor 302, and a communication bus 303; the memory 301 and the processor 302 are connected by a communication bus 303. The memory 301 has stored thereon a computer program that can be loaded by the processor 302 and that executes the method for tracking objects in a venue.
The memory 301 may be used to store instructions, programs, code sets or instruction sets. The memory 301 may include a storage program area and a storage data area, wherein the storage program area may store instructions for implementing an operating system, instructions for at least one function, and instructions for implementing a stadium target tracking method, etc.; the storage data area can store data and the like involved in the venue target tracking method.
The communication bus 303 may include a path that conveys information between the aforementioned components. The communication bus 203 may be a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The communication bus 303 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one double-headed arrow is shown in FIG. 3, but this does not indicate only one bus or one type of bus.
The present application further provides a computer-readable storage medium having a computer program stored thereon, which, when being executed by a processor, implements the steps of the above-mentioned stadium object tracking method.
The computer-readable storage medium may include: a U-disk, a removable hard disk, a read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the application referred to in the present application is not limited to the embodiments with a particular combination of the above-mentioned features, but also encompasses other embodiments with any combination of the above-mentioned features or their equivalents without departing from the spirit of the application. For example, the above features may be replaced with (but not limited to) features having similar functions as those described in this application.
Claims (9)
1. A method for tracking a target in a venue, which is applied to a head-mounted display device, the method comprising:
responding to a target selection action of a user, and acquiring first related characteristic information of a selected target;
collecting a wide-angle image of the venue;
judging whether the wide-angle image contains the selected target or not according to the first relevant feature information of the selected target;
if yes, focusing the wide-angle image by using a long-focus camera according to first related characteristic information of the selected target, and collecting a focusing image containing the selected target;
and if not, generating prompt information, wherein the prompt information is used for prompting a user to change the shooting angle of the wide-angle camera.
2. The method according to claim 1, wherein if the selected target is a human body, the first relevant feature information includes at least one of a facial image feature, a wearing image feature, and a skeletal point;
if the selected target is a sphere, the first relevant feature information comprises a sphere volume and a pattern.
3. The method of claim 1 or 2, wherein the determining whether the selected target is included in the wide-angle image comprises:
extracting the relevant features of all targets in the wide-angle image to obtain second relevant feature information;
comparing the second relevant feature information with the first relevant feature information;
if the comparison is consistent, judging that the wide-angle image comprises the selected target;
and if the contrast is inconsistent, judging that the wide-angle image does not contain the selected target.
4. The method of claim 3, wherein the focusing the Wide image with a tele camera, the capturing a focused image containing the selected target comprises:
acquiring the position of the selected target in the wide-angle image;
focusing the area with the selected target as the center by using a long-focus camera to obtain a focusing picture;
extracting relevant characteristic information of all targets in the focusing picture to obtain third relevant characteristic information;
comparing the third relevant characteristic information with the first relevant characteristic information;
if the comparison is consistent, taking the focusing picture as the focusing image containing the selected target;
and if the contrast is inconsistent, repeatedly focusing the area taking the selected target as the center by using the long-focus camera to obtain a focused image.
5. The method of claim 1, wherein generating the hint information comprises:
acquiring a movable panoramic image corresponding to the venue;
determining position information of the selected target in the movable panoramic image;
determining relative position information of the wide-angle image and the movable panoramic image;
determining a shift direction of the selected target from the wide-angle image based on the position information and the relative position information;
generating the hint information based on the offset direction.
6. The method of claim 5, wherein the head mounted display device comprises a vibration motor; the prompt message comprises:
the different offset directions correspond to different vibration attributes of the vibration motor;
wherein the vibration attribute comprises vibration intensity, vibration frequency and/or vibration time.
7. An object tracking apparatus for a stadium, applied to a head-mounted display device, the apparatus comprising:
the response acquisition module is used for responding to a target selection action of a user and acquiring first related characteristic information of a selected target;
the wide-angle acquisition module acquires a wide-angle image by using a wide-angle camera;
the judging module is used for judging whether the wide-angle image contains the selected target or not according to the first related characteristic information of the selected target;
the focusing acquisition module is used for focusing the wide-angle image by using a long-focus camera according to the first related characteristic information of the selected target and acquiring a focusing image containing the selected target;
and the generation module generates prompt information, and the prompt information is used for prompting a user to change the shooting angle of the wide-angle camera.
8. A head-mounted display device comprising a memory and a processor, the memory having stored thereon a computer program that can be loaded by the processor and that executes the method according to any of claims 1 to 6.
9. A computer-readable storage medium, characterized in that a computer program is stored which can be loaded by a processor and which executes a method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130891.7A CN114500981B (en) | 2022-02-12 | 2022-02-12 | Venue target tracking method, device, equipment and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210130891.7A CN114500981B (en) | 2022-02-12 | 2022-02-12 | Venue target tracking method, device, equipment and medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114500981A true CN114500981A (en) | 2022-05-13 |
| CN114500981B CN114500981B (en) | 2023-08-11 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003213534A1 (en) * | 2003-07-15 | 2005-02-03 | Chao-Hung Chang | Active Video Surveillance System and Active Video Surveillance Method Therefor |
| CN101547344A (en) * | 2009-04-24 | 2009-09-30 | 清华大学深圳研究生院 | Video monitoring device and tracking and recording method based on linkage camera |
| CN105893510A (en) * | 2016-03-30 | 2016-08-24 | 北京格灵深瞳信息技术有限公司 | Video structurization system and target search method thereof |
| JP2017037146A (en) * | 2015-08-07 | 2017-02-16 | キヤノン株式会社 | Imaging apparatus, imaging method, shooting system and program |
| US20180106635A1 (en) * | 2016-01-26 | 2018-04-19 | Boe Technology Group Co., Ltd. | Intelligent Head-Mounted Apparatus and Control Method Thereof |
| CN111683204A (en) * | 2020-06-18 | 2020-09-18 | 南方电网数字电网研究院有限公司 | Unmanned aerial vehicle shooting method and device, computer equipment and storage medium |
| CN112087571A (en) * | 2019-06-14 | 2020-12-15 | Oppo广东移动通信有限公司 | Image acquisition method and device, electronic equipment and computer readable storage medium |
| CN112995507A (en) * | 2021-02-08 | 2021-06-18 | 北京蜂巢世纪科技有限公司 | Method and device for prompting object position |
-
2022
- 2022-02-12 CN CN202210130891.7A patent/CN114500981B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003213534A1 (en) * | 2003-07-15 | 2005-02-03 | Chao-Hung Chang | Active Video Surveillance System and Active Video Surveillance Method Therefor |
| CN101547344A (en) * | 2009-04-24 | 2009-09-30 | 清华大学深圳研究生院 | Video monitoring device and tracking and recording method based on linkage camera |
| JP2017037146A (en) * | 2015-08-07 | 2017-02-16 | キヤノン株式会社 | Imaging apparatus, imaging method, shooting system and program |
| US20180106635A1 (en) * | 2016-01-26 | 2018-04-19 | Boe Technology Group Co., Ltd. | Intelligent Head-Mounted Apparatus and Control Method Thereof |
| CN105893510A (en) * | 2016-03-30 | 2016-08-24 | 北京格灵深瞳信息技术有限公司 | Video structurization system and target search method thereof |
| CN112087571A (en) * | 2019-06-14 | 2020-12-15 | Oppo广东移动通信有限公司 | Image acquisition method and device, electronic equipment and computer readable storage medium |
| CN111683204A (en) * | 2020-06-18 | 2020-09-18 | 南方电网数字电网研究院有限公司 | Unmanned aerial vehicle shooting method and device, computer equipment and storage medium |
| CN112995507A (en) * | 2021-02-08 | 2021-06-18 | 北京蜂巢世纪科技有限公司 | Method and device for prompting object position |
Non-Patent Citations (2)
| Title |
|---|
| YUN-LUN LI; ZHI-YI CHIN; MING-CHING CHANG; CHEN-KUO CHIANG: "Multi-Camera Tracking By Candidate Intersection Ratio Tracklet Matching", 《2021 IEEE/CVF CONFERENCE ON COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS (CVPRW)》, pages 4098 - 4106 * |
| 张坤: "高精度大视场空间目标测量光学系统研究", 《中国优秀硕士学位论文集》 * |
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