TWI663879B - Automatic Panning Shot System and Automatic Panning Shot Method - Google Patents

Abstract

An automatic video recording and shooting system is used to execute the automatic video recording and shooting method. In this method, a handheld mobile device is used to define horizontal and vertical coordinate axes that are perpendicular to each other in the captured image data. When a characteristic object is identified in the imaging data, a sampling frame is set around the characteristic object, a predetermined characteristic object is surrounded, and a reference point is set in the sampling frame. Calculate the horizontal and vertical distances between the reference point and the target coordinates. When the horizontal distance is greater than the horizontal threshold, a steering control signal is issued to change the shooting direction, so that the reference point is moved horizontally towards the target coordinate by at least one horizontal unit; when the vertical distance is greater than the vertical threshold, a steering control signal is issued to change the shooting direction, so that the reference in the acquisition data The point moves longitudinally towards the target coordinate by at least one vertical unit.

Description

Automatic video recording and shooting system and automatic video recording and shooting method

The present invention relates to video and video shooting, and more particularly to an automatic video and video shooting system and an automatic video and video shooting method.

When a user takes a selfie with a smart phone, the traditional method is to use a tripod or other type of fixing bracket to fix the smart phone like a camera, and start time-lapse photography or video recording. At this time, the smart phone is completely fixed, and the user can only move within a small range to ensure that he is photographed. Another tool is a selfie stick that replaces the tripod with a handheld stick and provides a mechanism (wired or wireless connection mechanism) that can drive the shutter. The user takes a self-timer by holding the lever body, but the image capturing distance is limited by the length of the lever body, and only a short-range self-timer can be taken.

Although several tracking technologies have been developed, the camera can be driven by the base to shoot specific targets. However, the excessive follow-up of such a base instead causes the smartphone to continue to swing to follow a specific target, which will cause the image acquisition data (especially dynamic video streaming) to shake significantly, so the need for follow-up shooting is still improved.

In view of the above-mentioned problems, the present invention proposes an automatic video-recording and video-shooting system and an automatic video-recording and video-shooting method, so as to solve the problem of image data shaking caused by excessive follow-up shooting of a specific target.

The invention proposes an automatic video recording and tracking system, which includes a handheld mobile device and a tracking device.

The handheld mobile device includes a microprocessor to execute a follow-up shooting mode; an image capturing unit is electrically connected to the microprocessor, and is used to capture an image along the shooting direction and transmit it to the microprocessor, and the microprocessor is in the image capturing data The horizontal and vertical coordinate axes that are perpendicular to each other are defined. The length of the image data along the horizontal coordinate axis is defined as a plurality of horizontal units, and the height of the image data along the horizontal coordinate axis is defined as a plurality of vertical units. The memory unit is electrically connected to the microprocessing. Controller for storing image acquisition data; a touch display panel electrically connected to the microprocessor for displaying image acquisition data and receiving touch operations to feed back to the microprocessor; and a first communication interface electrically connected to microprocessor.

The tracking device includes a controller; the second communication interface is electrically connected to the controller, and establishes a communication link with the first communication interface to receive the steering control signal and send it to the controller; the steering module is electrically connected to the controller, It is used to carry a handheld mobile device. The controller drives the steering module to turn according to the steering control signal to change the shooting direction of the image capturing unit. The optical coding receiving unit is used to receive the optical coding signal with the tracking start code and send it to the controller. To enable the controller to trigger the microprocessor to start the follow-up shooting mode through the first communication interface and the second communication interface.

In the follow-up mode, the microprocessor sets a sampling frame around the characteristic object when the characteristic object is identified in the imaging data, surrounds the characteristic object, and moves the sampling frame with the characteristic object; the microprocessor sets a reference point in the sampling frame. , Calculate the horizontal distance and vertical distance between the reference point and the target coordinate; when the horizontal distance is greater than the horizontal threshold, the microprocessor sends a steering control signal to drive the steering module to change the shooting direction, so that the reference point moves at least one horizontal unit horizontally toward the target coordinate; when The longitudinal distance is greater than the longitudinal threshold. The microprocessor sends a steering control signal to control the steering module, so that the reference point in the image acquisition data moves longitudinally towards the target coordinates by at least one longitudinal unit.

The invention also proposes an automatic video recording and tracking method, which is suitable for a handheld mobile device and a tracking device that establish communication links with each other. The handheld mobile device captures image data along the shooting direction with the image capturing unit, and generates a steering control signal to the tracking device. The shooting device, the tracking device carries a handheld mobile device, and receives a steering control device to change the shooting direction. The method includes the following steps: receiving a tracking start code with the tracking device, triggering the handheld mobile device to execute a tracking mode, Feature objects in the following shooting mode; the horizontal and vertical coordinate axes that are perpendicular to each other are defined in the image acquisition data; the length of the image acquisition data along the horizontal coordinate axis is defined as a plurality of horizontal units, and the height of the image acquisition data along the horizontal coordinate axis is defined as a plurality of Longitudinal unit; when a characteristic object is identified in the imaging data, set a sampling frame around the characteristic object, surround the characteristic object, and set a reference point in the sampling frame; and calculate the horizontal and vertical distances between the reference point and the target coordinates; When the lateral distance is greater than the lateral threshold, a steering control signal is issued to change the shooting To the coordinates of the reference point toward the target lateral movement of the at least one transverse unit; when the longitudinal direction is greater than the longitudinal distance threshold, an steering control signal to change the shooting direction, so that the image taking reference point toward the destination coordinate data in the longitudinal movement of the at least one longitudinal unit.

The invention adjusts the shooting direction only after the reference point displacement exceeds a threshold. Therefore, in the technical means provided by the present invention, the follow-up action of the image capturing unit will not excessively follow the human face, which will cause the captured image data to shake excessively, and only gradually adjust the orientation when the moving distance is large. The direction can make the acquisition data relatively stable, and the way of taking photos will be relatively smooth.

As shown in FIG. 1 and FIG. 2, an automatic video recording and shooting system disclosed in the embodiment of the present invention is used to execute an automatic video recording and shooting method. The automatic video recording and tracking system includes a handheld mobile device 100, a tracking device 200, and a remote control device 300. The handheld mobile device 100 is carried on the tracking device 200 for capturing image data M in a shooting direction. The handheld mobile device 100 controls the rotation of the tracking device 200 to change the shooting direction of the handheld mobile device 100 to the characteristic object A. Follow up.

The handheld mobile device 100 may be an electronic device such as a smart phone, a tablet computer, which has a video recording function and can establish a communication link with the tracking device 200.

As shown in FIGS. 1 and 2, the handheld mobile device 100 includes a microprocessor 110, an image capturing unit 120, a memory unit 130, a touch display panel 140, and a first communication interface 150.

As shown in FIGS. 1 and 2, the image capturing unit 120, the memory unit 130 and the touch display panel 140 are electrically connected to the microprocessor 110. The image capturing unit 120 is used for capturing image capturing data M and transmitting it to the microprocessor 110 and transmitting to the memory unit 130 to store the image capturing data M.

As shown in FIG. 2, in addition to being stored as the acquisition data M, the memory unit 130 also stores an operating system and a follow-up application program for the microprocessor 110 to load and execute the follow-up shooting mode.

As shown in FIG. 1 and FIG. 2, the touch display panel 140 is electrically connected to the microprocessor 110 to display the image acquisition data M and accept touch operations to return to the microprocessor 110.

As shown in FIG. 1 and FIG. 2, the first communication interface 150 is electrically connected to the microprocessor 110 to establish a communication link. The first communication interface 150 may be a wired communication interface, such as a USB interface, or a wireless communication interface, such as Bluetooth, an RF communication interface, or a Wi-Fi interface (supporting Wi-Fi Direct).

As shown in FIGS. 1 and 2, the tracking device 200 includes a controller 210, a second communication interface 220, a steering module 230, and an optical coding receiving unit 240.

As shown in FIGS. 1 and 2, the second communication interface 220 is electrically connected to the controller 210 and establishes a communication link with the first communication interface 150, so that the controller 210 of the tracking device 200 establishes a communication link with the handheld mobile device 100. .

As shown in FIG. 1 and FIG. 2, the steering module 230 is electrically connected to the controller 210, and the steering module 230 is used to carry the handheld mobile device 100. The controller 210 drives the steering module 230 to steer according to the steering control signal, so that the steering module 230 rotates horizontally and vertically or tilts the handheld mobile device 100 to change the shooting direction.

The steering module 230 generally includes one or more motors, necessary gear boxes, and clamps 232. The clamps 232 are used to clamp the handheld mobile device 100 to carry the handheld mobile device 100 on the steering module 230. A combination of a motor and a gearbox is used to rotate the clamp 232 in one or more axial directions. The combination of the motor, the gearbox, and the clamp 232 is common knowledge in the technical field to which the present invention pertains, and details of the technical means are not described in detail below.

As shown in FIG. 1 and FIG. 2, the optical coding receiving unit 240 is electrically connected to the controller 210 and is configured to receive an optical coding signal with a tracking start code and transmit the optical coding signal to the controller 210 so that the controller 210 receives the following code. When the start code is shot, the microprocessor 110 is triggered to start the follow-up shooting mode.

As shown in FIG. 1 and FIG. 3, the remote control device 300 includes an encoding circuit 310, a button group 320, and an optical encoding transmitting unit 330.

The encoding circuit 310 stores at least one tracking activation code, and the tracking activation code corresponds to a dedicated tracking device 200. The optical encoding transmitting unit 330 is electrically connected to the encoding circuit 310. When the key group 320 is pressed to form a designated key combination (keys are pressed at the same time, or a single key is pressed quickly for a specific number of times), the key group 320 triggers the encoding circuit 310 to drive the optical encoding transmitting unit 330 to issue an optical encoding with a tracking start code. The signal is received by the optical encoding receiving unit 240 of the tracking device 200.

As shown in FIG. 2 and FIG. 3, when the optical coding receiving unit 240 receives the tracking start code, the controller 210 determines whether the tracking start code is exclusive. When the tracking start code is exclusive, the controller 210 triggers the microprocessor 110 to start the tracking mode. If the tracking start code is not exclusive or the optical encoding signal does not carry the tracking start code, the controller 210 does not trigger the microprocessor 110 to execute the tracking mode, or further triggers the microprocessor 110 to stop the tracking mode.

As shown in FIG. 4, the microprocessor 110 defines a horizontal coordinate axis X and a vertical coordinate axis Y that are perpendicular to each other in the image acquisition data M. The length of the imaging data M along the horizontal coordinate axis X is defined as a plurality of horizontal units SX, and the height of the imaging data M along the horizontal coordinate axis X is defined as a plurality of longitudinal units SY.

After the handheld mobile device 100 executes the follow-up shooting mode, the microprocessor 110 recognizes a characteristic object A, such as a human face, in the image acquisition data M. If the characteristic object A is not identified in the imaging data M, the microprocessor 110 sends a steering control signal to control the tracking device 200 to continuously change the shooting direction until the characteristic object A is identified in the imaging data M.

As shown in FIG. 4, after identifying the characteristic object A, the microprocessor 110 sets a sampling frame F around the characteristic object A, the sampling frame F surrounds the characteristic object A, and moves the sampling frame F as the characteristic object A moves, so that The feature object A remains in the sampling frame F. The microprocessor 110 can adjust the image capturing magnification of the image capturing unit 120 in real time, so that the proportion of the sampling frame F in the captured image data M remains unchanged. The microprocessor 110 sets a reference point R in the sampling frame F.

As shown in FIG. 4, if the microprocessor 110 recognizes multiple characteristic objects A, A 'at the same time, the microprocessor 110 sets sampling frames F, F' for the multiple characteristic objects A, A ', respectively, and maximizes the area The sampling frame F executes the follow-up shooting mode. Alternatively, the user may select the characteristic object A to perform the following shooting mode through the touch display display panel 140.

As shown in FIG. 4, the microprocessor 110 calculates a horizontal distance Dis X and a vertical distance Dis Y between the reference point R and the target coordinate T. The aforementioned target coordinates T may be preset to be stored in the memory unit 130 and loaded by the microprocessor 110. For example, the preset target coordinates T may be located at the center of the imaging data M. The target coordinate T may also be directly clicked on the touch display panel 140 by the user. In addition, the user can also manually generate the sampling frame F on the touch display panel 140 to change the characteristic object A to be photographed, such as another face.

The microprocessor 110 loads the horizontal threshold and the vertical threshold from the memory unit 130. The horizontal threshold is usually smaller than one horizontal unit SX, and the vertical threshold is smaller than one vertical unit SY.

As shown in FIG. 5, when the lateral distance Dis X is greater than the lateral threshold, the microprocessor 110 sends a steering control signal to control the steering module 230 through the controller 210 to change the shooting direction, so that the shooting direction is rotated horizontally, so that the reference point R moves laterally towards the target coordinate T by at least one lateral unit SX. Actually, the turning direction of the steering module 230 in the horizontal direction is opposite to the lateral movement direction of the reference point R in the image acquisition data M. Similarly, when the longitudinal distance Dis Y is greater than the longitudinal threshold, the microprocessor 110 controls the steering module 230 to change the shooting direction, and changes the shooting direction to an up-down inclination angle, so that the reference point R moves longitudinally toward the target coordinate T by at least one vertical unit SY. Actually, the direction in which the steering module 230 changes the inclination angle is opposite to the longitudinal movement direction of the reference point R in the image acquisition data M.

As shown in FIG. 4, in a specific embodiment, when the horizontal threshold is 0.5 horizontal units SX and the vertical threshold is 0.5 vertical units SY. When the lateral distance Dis X is less than 0.5 lateral units SX, the microprocessor 110 does not control the steering module 230 to act; and when the longitudinal distance Dis Y is less than 0.5 longitudinal units SY, the microprocessor 110 does not control the steering module 230 to operate .

As shown in FIG. 5, when the lateral distance Dis X is greater than 0.5 lateral units SX, the microprocessor 110 controls the steering module 230 through the controller 210 to move the reference point R laterally toward the target coordinate T by one lateral unit SX. The microprocessor 110 can further load an advanced lateral threshold. For example, when the lateral distance Dis X is greater than 1.5 lateral units SX, the microprocessor 110 controls the steering module 230 to move the reference point R toward the target coordinate T by two lateral directions. The unit is SX.

As shown in FIG. 5, similarly, when the longitudinal distance Dis Y is greater than 0.5 longitudinal units SY, the microprocessor 110 controls the steering module 230 through the controller 210 to move the reference point R longitudinally toward the target coordinate T by one longitudinal unit SY. The microprocessor 110 can further load an advanced longitudinal threshold. For example, when the longitudinal distance Dis Y is greater than 1.5 longitudinal units SY, the microprocessor 110 controls the steering module 230 so that the reference point R is directed toward the target coordinates in the image acquisition data M. T moves two longitudinal units SY laterally. The movement of the reference point R on the horizontal coordinate axis X and the vertical coordinate axis Y may be performed synchronously or sequentially.

As shown in FIG. 6, in another follow-up method of the present invention, when a plurality of characteristic objects A, A 'are identified, the microprocessor 110 sets sampling frames F, F' respectively for the plurality of characteristic objects A, A ', Then, according to the number of follow-up shots, the sampling frame F corresponding to the number of follow-up shots is selected in order from the largest area to the smallest area, and the auxiliary frame AF surrounding the selected sampling frames F is set to assist the AF frame. As a range, a reference point R is set between the sampling frames F to execute the following shooting mode. The number of follow-up shots can be two, more than two, or all.

As shown in FIG. 7 and FIG. 8, in another tracking method of the present invention, when a plurality of characteristic objects A, A ′ are identified, the microprocessor 110 sets a sampling frame F for each of the plurality of characteristic objects A, A ′, And the sampling frame F with the largest area is taken as the subject for shooting. The microprocessor 110 continuously compares the size changes between the sampling frames F, and immediately changes the subject to be taken to the sampling frame F with the largest current area. When multiple people are photographed into the acquisition data M at the same time, the acquisition unit 120 may change the following subject to the face closest to the acquisition unit 120 at any time (the area of the sampling frame F is the largest).

As shown in FIG. 9, it is an automatic video recording and tracking system according to another embodiment of the present invention. This automatic video recording and follow-up system includes a plurality of sets of handheld mobile devices 100a, 100b and follow-up devices 200a, 200b that have established communication links in pairs, and each follow-up device 200a, 200b stores a corresponding follow-up record Activation code. According to the differences between the corresponding follow-up devices 200a and 200b, the first follow-up start code and the second follow-up start code are distinguished; among them, the first follow-up device 200a corresponds to the first follow-up start code and the second The follow-up device 200b corresponds to a second follow-up activation code.

The key set 320 can issue a first follow-up start code, a second follow-up start code, and a stop code according to different key combinations; for example, pressing the key set 320 is the first follow-up start code, and a quick double-click is the first Second, follow the start code, and long press or another key group 320 is the stop code. The foregoing key combinations are merely examples, and may be different pressing modes or multiple key combinations.

When the remote control device 300 sends a remote control signal with a first follow-up start code and is received by the first follow-up device 200a, its controller 210 can recognize that the remote control signal has a first follow-up start code, and trigger the bearer on The first handheld mobile device 100a on the first follow-up device 200a. If the second follow-up device 200b receives the remote control signal of the first follow-up start code, it will not act because it does not match the second follow-up start code; or, the second follow-up device 200b may receive When the first follow-up start code is recognized, the first follow-up start code is identified as a stop code, and the stop follow-up is triggered.

Conversely, when the remote control device 300 sends a remote control signal with a second follow-up start code and is received by the second follow-up device 200b, its controller 210 can recognize that the remote control signal has a second follow-up start code, and Trigger the second handheld mobile device 100b carried on the second tracking device 200b. If the first follow-up device 200a receives the remote control signal of the second follow-up activation code, it will not act because it does not match the first follow-up activation code; or, the first follow-up device 200a may receive the When the second follow-up start code is recognized as a stop code, the stop-shooting is triggered.

When the remote control device 300 sends a remote control signal with a stop code and is received by the first follow-up device 200a and the second follow-up device 200b, the first follow-up device 200a and the second follow-up device 200b can trigger the first and second follow-up devices, respectively. The two handheld mobile devices 100a and 100b stop following the shooting.

Referring to FIG. 10 and FIG. 11, the present invention further provides an automatic video recording and shooting method, which is applicable to a handheld mobile device 100 and a follow-up device 200 that establish a communication link with each other. The handheld mobile device 100 is shot along the image capturing unit 120 The directional shooting image acquisition data M generates a steering control signal to the tracking device 200. The tracking camera 200 is used to carry the handheld mobile device 100 and receives the steering control signal to change the shooting direction.

First, the tracking device 200 receives the tracking start code, and triggers the handheld mobile device 100 to execute a tracking mode, so as to perform a tracking mode on the characteristic object A in the image acquisition data M. As shown in steps 110 and 120.

In the foregoing step Step 110, the tracking device 200 continuously waits for the optically encoded signal sent by the remote control device 300, and compares whether the optically encoded signal includes a tracking activation code. If the optically encoded signal contains a follow-up activation code, go to Step 120; if the optically encoded signal does not include a follow-up activation code, wait for receiving the next optically-encoded signal. The transmission and reception of optically encoded signals have been disclosed in the foregoing description of the embodiment of the automatic video recording and tracking system, and will not be described in detail below.

The handheld mobile device 100 defines the horizontal coordinate axis X and the vertical coordinate axis Y that are perpendicular to each other in the acquisition data M. Among them, the length of the acquisition data M along the lateral coordinate axis X is defined as a plurality of lateral units SX, and the acquisition data M is along the lateral coordinate axis The height of X is defined as a plurality of vertical units SY, as shown in step 130.

The handheld mobile device 100 continuously recognizes whether the image capturing data M includes the characteristic object A, as shown in step 140.

When the characteristic object A is identified in the image acquisition data M, the handheld mobile device 100 sets a sampling frame F around the characteristic object A, makes the sampling frame F surround the characteristic object A, and sets a reference point R in the sampling frame A, as step Step 150.

In step 140, if the characteristic object A is not identified in the image acquisition data M, the microprocessor 110 sends a steering control signal to control the tracking device 200 to continuously change the shooting direction. As shown in step 160, the identification is repeatedly performed and The shooting direction is changed until the characteristic object A is identified in the imaging data M.

After Step 150, the handheld mobile device 100 calculates the horizontal distance Dis X and the vertical distance Dis Y between the reference point R and the target coordinate T, as shown in Step 170.

When the lateral distance Dis X is greater than the lateral threshold, the handheld mobile device 100 sends a steering control signal to change the shooting direction, so that the reference point R is laterally moved toward the target coordinate T by at least one lateral unit SX, as shown in step 180 and step 190. If the lateral distance Dis X is not greater than the lateral threshold, skip Step 190 and go directly to Step 200.

When the vertical distance Dis Y is greater than the vertical threshold, the handheld mobile device 100 sends a steering control signal to change the shooting direction, so that the reference point R in the image acquisition data M is moved longitudinally toward the target coordinate T by at least one vertical unit SY, as in Step 200 and Step As shown at 210, step 170 is then repeated. If the longitudinal distance Dis Y is not greater than the longitudinal threshold, step 210 is skipped and the process returns directly to step 170.

As shown in FIG. 12, the alignment adjustment order in the horizontal coordinate axis X and the vertical coordinate axis Y may be interchanged or parallel, and is not limited to the order in FIG. 11.

If a plurality of characteristic objects A, A 'are identified in step 140, the handheld mobile device 100 sets sampling frames F, F' for each characteristic object A, A ', and follows the photograph with the largest sampling frame F. mode.

If a plurality of characteristic objects A, A 'are identified in step 140, the handheld mobile device 100 sets sampling frames F, F' for each characteristic object A, A ', and sequentially determines the area according to the number of follow-up shots. From the largest to the smallest area, select the sampling frames F corresponding to the number of follow-up shots, and set the auxiliary frame AF surrounding the selected sampling frames F. With the auxiliary frame AF as a range, set a reference point between the sampling frames F R for follow up mode.

As shown in FIG. 11, after step 120, the tracking device 200 continues to receive the optically encoded signal, and compares whether the optically encoded signal includes a stop code. When the optically-encoded signal includes a stop code, the tracking device 200 triggers the handheld mobile device 100 to stop the tracking mode.

In the technical means provided by the present invention, the follow-up action of the image capturing unit will not excessively follow the human face, which will cause excessive shaking of the captured image data. Only when the moving distance exceeds the threshold, the orientation direction can be gradually adjusted. Makes the acquisition data relatively stable, and the way of taking photos will be relatively smooth.

100‧‧‧ handheld mobile device

100a‧‧‧The first handheld mobile device

100b‧‧‧Second Handheld Mobile Device

110‧‧‧Microprocessor

120‧‧‧Image acquisition unit

130‧‧‧Memory unit

140‧‧‧Touch display panel

150‧‧‧First communication interface

200‧‧‧ Follow-up device

200a‧‧‧The first follow-up device

200b‧‧‧Second follow-up device

210‧‧‧ Controller

220‧‧‧Second communication interface

230‧‧‧ Steering Module

232‧‧‧Fixture

240‧‧‧Optical code receiving unit

300‧‧‧ remote control device

310‧‧‧coding circuit

320‧‧‧button set

330‧‧‧ Optical Code Transmitting Unit

A, A’‧‧‧ Feature Object

X‧‧‧ horizontal coordinate axis

Y‧‧‧ longitudinal coordinate axis

SX‧‧‧Horizontal Unit

SY‧‧‧Vertical Unit

F, F’‧‧‧ sampling frame

AF‧‧‧Auxiliary frame

M‧‧‧Image acquisition data

T‧‧‧ target coordinates

R‧‧‧ benchmark

Dis Y‧‧‧Vertical distance

Dis X‧‧‧Horizontal distance

Step 110 ~ Step 210‧‧‧step

[Fig. 1] is a schematic diagram of a system of an automatic video recording and recording system according to an embodiment of the present invention. [FIG. 2] A circuit block diagram of a handheld mobile device and a tracking device in an embodiment of the present invention. [FIG. 3] A circuit block diagram of a follow-up device and a remote control device in the embodiment of the present invention. [FIG. 4] It is a schematic diagram of generating a sampling frame and a reference point according to a characteristic object in the embodiment of the present invention. 5 is a schematic diagram of changing a shooting direction according to a reference point and a target coordinate in an embodiment of the present invention. [FIG. 6] It is a schematic diagram of selecting partial selection frames from multiple sampling frames and performing a follow-up shooting mode simultaneously in the embodiment of the present invention. [Fig. 7] and [Fig. 8] are schematic diagrams of the continuous shooting mode with the largest area sampling frame in the embodiment of the present invention. [FIG. 9] It is a schematic diagram of activating a follow-up shooting mode by using a remote control device in a combination of a plurality of sets of handheld mobile devices and a follow-up shooting device according to an embodiment of the present invention. [Fig. 10] and [Fig. 11] are flowcharts of the automatic video recording and shooting method of the present invention. [Fig. 12] It is another flowchart of the automatic video recording and shooting method of the present invention.

Claims (10)

An automatic camera and video tracking system includes: a handheld mobile device including: a microprocessor for performing a tracking mode; and an image capturing unit electrically connected to the microprocessor for connecting along a An image capturing data is taken in the shooting direction and transmitted to the microprocessor; and the microprocessor defines a horizontal coordinate axis and a vertical coordinate axis perpendicular to each other in the image capturing data, and the length of the image capturing data along the horizontal coordinate axis is defined as A plurality of horizontal units, and the height of the acquisition data along the horizontal coordinate axis is defined as a plurality of longitudinal units; a memory unit electrically connected to the microprocessor for storing the acquisition data; a touch display panel, Electrically connected to the microprocessor for displaying the image acquisition data and receiving a touch operation feedback to the microprocessor; and a first communication interface electrically connected to the microprocessor; and a The shooting device includes: a controller; a second communication interface electrically connected to the controller, and establishing a communication link with the first communication interface to receive a steering control signal and send it to the controller A steering module is electrically connected to the controller, and the steering module carries the handheld mobile device; wherein the controller drives the steering module to steer according to the steering control signal, and changes the shooting direction of the image capturing unit And an optical encoding receiving unit for receiving an optical encoding signal with a tracking activation code and transmitting it to the controller, so that the controller receives the tracking activation code through the first communication interface and the first The two communication interfaces trigger the microprocessor to start the follow-up shooting mode. In the follow-up shooting mode, the microprocessor identifies a characteristic object in the image acquisition data, and sets a sampling frame around the characteristic object, so that the The sampling frame surrounds the feature object, and the sampling frame is moved with the movement of the feature object; the microprocessor sets a reference point in the sampling frame; and the microprocessor calculates the reference point and a target coordinate A lateral distance and a longitudinal distance, and when the lateral distance is greater than a lateral threshold, the microprocessor sends the steering control signal to drive the steering module to change the beat Direction so that the reference point moves laterally towards the target coordinate by at least one of the horizontal units; and when the vertical distance is greater than a vertical threshold, the microprocessor sends the steering control signal to control the steering module, so that the The reference point is moved longitudinally toward the target coordinate by at least one longitudinal unit. The automatic video recording and tracking system according to claim 1, further comprising a remote control device, comprising: an encoding circuit that stores the tracking activation code; an optical encoding transmitting unit electrically connected to the encoding circuit; and The key set is electrically connected to the coding circuit, and is used to be pressed to trigger the coding circuit to drive the optical coding transmitting unit to send the optical coding signal with the tracking start code for receiving by the optical coding of the tracking device. Unit received. The automatic video recording and tracking system according to claim 2, wherein after the key group is pressed to form a key combination, the coding circuit drives the optical coding transmitting unit to issue the tracking start according to the key combination. Code the optically encoded signal. The automatic video recording and tracking system according to claim 1, wherein when a plurality of the characteristic objects are identified, the microprocessor sets the sampling frame for each of the characteristic objects, and sets the sampling frame with the largest area Perform this follow-up shooting mode. The automatic video recording and tracking system according to claim 1, wherein when a plurality of the characteristic objects are identified, the microprocessor sets the sampling frame for each of the characteristic objects, and according to the required number of follow-ups, Select the sampling frames from the largest area to the smallest area in sequence, and set an auxiliary frame surrounding the selected sampling frames. Set the auxiliary frame as the range and set between the sampling frames. The reference point to execute the following shooting mode. An automatic video recording and shooting method is suitable for a handheld mobile device and a follow-up device that establish communication links with each other. The handheld mobile device uses an image capturing unit to capture image data along a shooting direction and generates a steering control. A signal to the tracking device, the tracking device is used to carry the handheld mobile device, and receives a steering control device to change the shooting direction; the method includes the following steps: receiving a tracking start code with the tracking device, and Trigger the handheld mobile device to execute a follow-up mode to perform a follow-up mode on a feature object in the acquisition data; define a horizontal coordinate axis and a vertical coordinate axis perpendicular to each other in the acquisition data; wherein, the acquisition The length of the image data along the horizontal coordinate axis is defined as a plurality of horizontal units, and the height of the image data along the horizontal coordinate axis is defined as a plurality of vertical units; when the characteristic object is identified in the image data, the characteristic object is A sampling frame is set around, the sampling frame surrounds the feature object, and a reference point is set in the sampling frame; and the reference is calculated; A horizontal distance and a vertical distance from a target coordinate; wherein, when the horizontal distance is greater than a horizontal threshold, the steering control signal is sent to change the shooting direction, so that the reference point moves laterally toward the target coordinate by at least one of the horizontal units ; And when the longitudinal distance is greater than a longitudinal threshold, the steering control signal is issued to change the shooting direction, so that the reference point in the image acquisition data is moved longitudinally toward the target coordinate by at least one longitudinal unit. The automatic video recording and tracking method according to claim 6, wherein when a plurality of the characteristic objects are identified, the sampling frame is set for each of the characteristic objects, and the tracking frame is performed with the sampling frame having the largest area. mode. The automatic recording and tracking method according to claim 6, wherein when a plurality of the characteristic objects are identified, the sampling frame is set for each of the characteristic objects, and the area is sequentially determined according to the required number of follow-up shots. From the largest to the smallest area, select the sampling frames that match the number of follow-up shots, and set an auxiliary frame surrounding the selected sampling frames. Using the auxiliary frame as a range, set the reference point between the sampling frames. To perform the following shooting mode. The automatic recording and tracking method according to claim 6, wherein the step of receiving the tracking start code by the tracking device includes receiving an optical encoding signal, and comparing whether the optical encoding signal includes the tracking start code. . The automatic video recording and tracking method described in claim 9, further includes receiving an optically encoded signal, compared to whether the optically encoded signal includes a stop code, and triggering the handheld mobile device when the optically encoded signal includes the stop code. Stop the follow-up mode.