阅读说明：本技术 双路影像链曝光控制方法及装置 (Double-path image chain exposure control method and device ) 是由 王维 于 2021-07-06 设计创作，主要内容包括：本发明公开了一种双路影像链曝光控制方法及装置,该双路影像链曝光控制方法包括：在影像的第1帧,正位球管单独曝光以产生正位入射射线,正位探测器进行正位透射射线采集,侧位探测器进行部分正位散射射线采集；在影像的第2帧,侧位球管单独曝光以产生侧位入射射线,侧位探测器进行侧位透射射线采集,正位探测器进行部分侧位散射射线采集；在影像的第N帧,正位球管和侧位球管同时曝光以分别产生正位入射射线和侧位入射射线,正位探测器和侧位探测器同时进行射线采集,将正位探测器采集到的第一混合射线滤除部分侧位散射射线后进行转化,以及,将侧位探测器采集到的第二混合射线滤除部分正位散射射线后进行转化,其中,N为大于2的整数。(The invention discloses a double-path image chain exposure control method and a device, wherein the double-path image chain exposure control method comprises the following steps: in the 1 st frame of the image, the normal position bulb tube is independently exposed to generate normal position incident rays, the normal position detector carries out normal position transmission ray collection, and the side position detector carries out partial normal position scattering ray collection; in the 2 nd frame of the image, the side position bulb tube is independently exposed to generate side position incident rays, the side position detector carries out side position transmission ray collection, and the normal position detector carries out partial side position scattering ray collection; at the Nth frame of image, positive position bulb and side position bulb expose simultaneously in order to produce positive position incident ray and side position incident ray respectively, and positive position detector and side position detector carry out the ray collection simultaneously, carry out the conversion behind the first mixed ray filtering part side position scattering ray that will the positive position detector gathered to and, carry out the conversion behind the second mixed ray filtering part positive position scattering ray that will the side position detector gather, wherein, N is for being greater than 2 integer.)

1. A method for controlling exposure of a two-path image chain is characterized by comprising the following steps:

step S101: in the 1 st frame of the image, the normal position bulb tube is independently exposed to generate normal position incident rays, the normal position detector carries out normal position transmission ray collection, and the side position detector carries out partial normal position scattering ray collection;

step S102: in the 2 nd frame of the image, the side position bulb tube is independently exposed to generate side position incident rays, the side position detector carries out side position transmission ray collection, and the normal position detector carries out partial side position scattering ray collection;

step S103: in the Nth frame of the image, the normal position bulb tube and the side position bulb tube are exposed simultaneously to generate the normal position incident ray and the side position incident ray respectively, the normal position detector and the side position detector acquire the rays simultaneously, the first mixed rays acquired by the normal position detector are filtered out, the partial side position scattered rays are converted to form a normal position image, the second mixed rays acquired by the side position detector are filtered out, the partial normal position scattered rays are converted to form a side position image, and N is an integer greater than 2.

2. The method for controlling exposure of two-way image chain according to claim 1, wherein the step S101 comprises:

and after the side detector collects the part of the normal scattering rays, generating a corresponding normal scattering mask image and storing the corresponding normal scattering mask image in a system memory for calling.

3. The method for controlling exposure of two-way image chain according to claim 1, wherein the step S102 comprises:

and after the positive detector collects the part of the side scattering rays, generating a corresponding side scattering mask image and storing the corresponding side scattering mask image in a system memory for calling.

4. The method of claim 1, wherein the first mixed radiation has a radiation intensity formula:

in the formula, AP represents a positive position, LT represents a lateral position, I_APRepresenting the intensity of the rays transmitted in the normal position, I_OAPRepresenting the intensity of the radiation incident in normal position, I_OLTDenotes the intensity of laterally incident radiation, L_APRepresenting the thickness of the body through which the normal ray passes, L_LTIndicating the thickness of the body through which the lateral ray passes, τ_APRepresenting the absorption and attenuation coefficient, σ, of the ray in the normal position of the body_APRepresenting the scattering attenuation coefficient, σ, of the ray in the normal position of the body_LTWhich represents the scattering attenuation coefficient of the ray at the side of the body.

5. The method according to claim 4, wherein the formula of the ray intensity of the first mixed ray after filtering the part of the side scattered rays is as follows:

in the formula I_MaskLTShowing a side scatter mask image.

6. The method of claim 1, wherein the radiation intensity formula of the second mixed radiation is:

in the formula, AP represents a positive position, LT represents a lateral position, I_LTDenotes the intensity of laterally transmitted radiation, I_OLTDenotes the intensity of laterally incident radiation, I_OAPRepresenting the intensity of the normal incident radiation, L_LTIndicating the thickness of the body through which the lateral rays pass, L_APRepresenting the thickness of the body through which the normal ray passes, τ_LTRepresenting the absorption and attenuation coefficient, σ, of the ray at the side of the body_LTRepresenting the scattering attenuation coefficient, σ, of the ray at the side of the body_APRepresenting the scattering attenuation coefficient of the ray when the human body is in the right position.

7. The method according to claim 6, wherein the formula of the intensity of the second mixed radiation after filtering the part of the normal scattered radiation is:

in the formula I_MaskAPRepresenting an orthostatic scatter mask image.

8. A dual-path image chain exposure control device, comprising:

the normal position bulb tube is used for normal position exposure to generate normal position incident rays;

a lateral bulb for lateral exposure to produce lateral incident radiation;

the righting detector is used for collecting righting transmission rays when the righting bulb tube is exposed independently; the side position bulb tube is used for collecting partial side position scattered rays when the side position bulb tube is exposed independently; the device comprises a side position bulb tube, a right position bulb tube, a side position bulb tube, a first mixed ray, a second mixed ray, a third mixed ray and a fourth mixed ray, wherein the right position bulb tube and the side position bulb tube are exposed simultaneously, the ray collection is carried out, and the collected first mixed ray is converted to form a right position image after part of side position scattered rays are filtered;

the side position detector is used for collecting side position transmission rays when the side position bulb tube is exposed independently; the device is used for collecting partial normal scattered rays when the normal bulb tube is exposed independently; and the second mixed ray is used for acquiring rays when the righting bulb tube and the side position bulb tube are exposed simultaneously, filtering part of righting scattered rays of the acquired second mixed ray and then converting the second mixed ray to form a side position image.

9. A terminal comprising a memory and a processor, the memory having stored thereon a computer program operable on the processor, wherein the processor executes the computer program to perform the two-way image chain exposure control method according to any one of claims 1 to 7.

10. A computer-readable storage medium, comprising a stored computer program, wherein when the computer program is executed by a processor, the computer program controls a terminal where the storage medium is located to execute the two-way image chain exposure control method according to any one of claims 1 to 7.

Technical Field

The invention relates to the technical field of image exposure, in particular to a double-path image chain exposure control method and device.

Background

In a product with two-way medical X-ray image chains, such as a conventional G-arm or deformable G/C-arm X-ray machine, the two-way image chains are fixed in an orthogonal direction, and a user needs to observe two-way images (usually corresponding to the normal image and the lateral image of a patient) at the same time. When the two image chains are exposed and imaged simultaneously, the two image chains generate scattering interference with each other, so that the detectors in the two image chains cannot effectively convert X rays to enable a computer to display an interference-free image.

In order for the two detectors to be able to effectively convert the X-rays so that the computer displays an interference-free image, the conventional method is to alternately expose the bulbs in the two image chains, thereby avoiding the interference of scattered radiation. However, the alternate exposure mode of the two paths of bulbs can cause the exposure frame rate of each path of bulbs to be halved, thereby affecting the real-time performance of the two-path imaging. Especially for the G-arm system of the flat panel detector using amorphous silicon, the image reading time is longer, and the exposure frame rate of the double-path bulb tube is further reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the invention provides a method and a device for controlling exposure of a double-path image chain, which can effectively solve scattering interference generated when double paths are exposed simultaneously, are favorable for improving the exposure frame rate and improve the real-time property of an imaging system.

According to a first aspect of the present application, there is provided a two-way image chain exposure control method, including:

step S101: in the 1 st frame of the image, the normal position bulb tube is independently exposed to generate normal position incident rays, the normal position detector carries out normal position transmission ray collection, and the side position detector carries out partial normal position scattering ray collection;

step S102: in the 2 nd frame of the image, the side position bulb tube is independently exposed to generate side position incident rays, the side position detector carries out side position transmission ray collection, and the normal position detector carries out partial side position scattering ray collection;

step S103: in the Nth frame of the image, the normal position bulb tube and the side position bulb tube are exposed simultaneously to generate the normal position incident ray and the side position incident ray respectively, the normal position detector and the side position detector acquire the rays simultaneously, the first mixed rays acquired by the normal position detector are filtered out, the partial side position scattered rays are converted to form a normal position image, the second mixed rays acquired by the side position detector are filtered out, the partial normal position scattered rays are converted to form a side position image, and N is an integer greater than 2.

In the above method, the step S101 includes:

and after the side detector collects the part of the normal scattering rays, generating a corresponding normal scattering mask image and storing the corresponding normal scattering mask image in a system memory for calling.

In the above method, the step S102 includes:

and after the positive detector collects the part of the side scattering rays, generating a corresponding side scattering mask image and storing the corresponding side scattering mask image in a system memory for calling.

In the above method, the ray intensity formula of the first mixed ray is:

in the formula, AP represents a positive position, LT represents a lateral position, I_APRepresenting the intensity of the rays transmitted in the normal position, I_OAPRepresenting the intensity of the radiation incident in normal position, I_OLTDenotes the intensity of laterally incident radiation, L_APRepresenting the thickness of the body through which the normal ray passes, L_LTIndicating the thickness of the body through which the lateral ray passes, τ_APRepresenting the absorption and attenuation coefficient, σ, of the ray in the normal position of the body_APRepresenting the scattering attenuation coefficient, σ, of the ray in the normal position of the body_LTWhich represents the scattering attenuation coefficient of the ray at the side of the body.

In the above method, the ray intensity formula of the first mixed ray after the first mixed ray filters the part of the laterally scattered ray is as follows:

in the formula I_MaskLTShowing a side scatter mask image.

In the above method, the ray intensity formula of the second mixed ray is:

in the formula, AP represents a positive position, LT represents a lateral position, I_LTDenotes the intensity of laterally transmitted radiation, I_OLTDenotes the intensity of laterally incident radiation, I_OAPRepresenting the intensity of the normal incident radiation, L_LTIndicating the thickness of the body through which the lateral rays pass, L_APRepresenting the thickness of the body through which the normal ray passes, τ_LTRepresenting the absorption and attenuation coefficient, σ, of the ray at the side of the body_LTRepresenting the scattering attenuation coefficient, σ, of the ray at the side of the body_APRepresenting the scattering attenuation coefficient of the ray when the human body is in the right position.

In the above method, the ray intensity formula of the second mixed ray after the part of the normal scattered rays is filtered out is as follows:

in the formula I_MaskAPRepresenting an orthostatic scatter mask image.

According to a second aspect of the present application, there is provided a two-way image chain exposure control apparatus, the apparatus comprising:

the normal position bulb tube is used for normal position exposure to generate normal position incident rays;

a lateral bulb for lateral exposure to produce lateral incident radiation;

the righting detector is used for collecting righting transmission rays when the righting bulb tube is exposed independently; the side position bulb tube is used for collecting partial side position scattered rays when the side position bulb tube is exposed independently; the device comprises a side position bulb tube, a right position bulb tube, a side position bulb tube, a first mixed ray, a second mixed ray, a third mixed ray and a fourth mixed ray, wherein the right position bulb tube and the side position bulb tube are exposed simultaneously, the ray collection is carried out, and the collected first mixed ray is converted to form a right position image after part of side position scattered rays are filtered;

the side position detector is used for collecting side position transmission rays when the side position bulb tube is exposed independently; the device is used for collecting partial normal scattered rays when the normal bulb tube is exposed independently; and the second mixed ray is used for acquiring rays when the righting bulb tube and the side position bulb tube are exposed simultaneously, filtering part of righting scattered rays of the acquired second mixed ray and then converting the second mixed ray to form a side position image.

According to a third aspect of the present application, there is provided a terminal comprising a memory and a processor, wherein the memory stores a computer program operable on the processor, and the processor executes the two-way image chain exposure control method according to any one of the above methods when executing the computer program.

According to a fourth aspect of the present application, there is provided a storage medium comprising a stored computer program, wherein when the computer program is executed by a processor, the computer program controls a terminal where the storage medium is located to execute any one of the above-mentioned two-way image chain exposure control methods.

According to the technical scheme provided by the application, the method at least has the following beneficial effects: in the 1 st frame of the image, the righting bulb tube is exposed independently, so that the side detector can collect partial righting scattered rays; in the 2 nd frame of the image, the lateral position bulb tube is exposed independently, so that the normal position detector can collect partial lateral position scattered rays; when the two image chains generate scattering interference, the first mixed rays collected by the normal detector in the third frame to the Nth frame are filtered out part of the side scattering rays collected in the second frame, and then the normal detector can convert the filtered first mixed rays so as to enable the computer to display an interference-free human body normal image; meanwhile, after the second mixed rays collected by the side position detector in the third frame to the Nth frame are filtered out part of normal scattered rays collected by the first frame, the side position detector can convert the filtered second mixed rays so as to enable the computer to display an interference-free human body side position image.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an application scenario diagram provided in an embodiment of the present application;

fig. 2 is a flowchart of a dual-path image chain exposure control method according to an embodiment of the present disclosure;

fig. 3 is a block diagram of a dual-path image chain exposure control apparatus according to an embodiment of the present disclosure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that although functional blocks are partitioned in a schematic diagram of an apparatus and a logical order is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the partitioning of blocks in the apparatus or the order in the flowchart. The terms first, second and the like in the description and in the claims, and the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

First, a specific application scenario of an embodiment of the present application is described.

Fig. 1 shows an X-ray machine with two-way image chain, including a normal position bulb, a normal position detector, a side position bulb and a side position detector, the axis of connection of normal position bulb and normal position detector and the axis of connection quadrature arrangement of side position bulb and side position detector, the X-ray that normal position bulb produced is passed human body normal position back and is received by the normal position detector in order to form normal position image chain, the X-ray that side position bulb produced is passed human body side position back and is received by the side position detector in order to form side position image chain. It should be noted that, in the process that the X-ray generated by the normal position bulb tube passes through the human body normal position and in the process that the X-ray generated by the side position bulb tube passes through the side position of the human body, the X-ray is scattered and attenuated, so that the normal position detector and the side position detector cannot receive the complete received X-ray. Therefore, when two image chains work simultaneously, scattering interference can be formed between the two image chains, so that the positive detector and the side detector cannot effectively convert X rays to enable a computer to display an interference-free image; when the two image chains work independently, the computer cannot display the two images simultaneously, so that the observation efficiency of medical staff is reduced, and misdiagnosis is easily caused; when the two image chains work alternately, in the same interval time period, the control center of the X-ray machine needs to generate two groups of pulse signals alternately spaced to drive the respective corresponding bulb tubes to expose, so that the exposure frame rate of each bulb tube is halved, and the real-time performance of the two-way imaging is affected.

On the basis of the application scenario shown in fig. 1, an embodiment of the present application provides a two-path image chain exposure control method, which can effectively remove scattering interference when two paths of image chains work simultaneously, so that a computer can display an interference-free image.

As shown in fig. 2, the two-way image chain exposure control method includes: step S101 to step S103.

Step S101: in the 1 st frame of the image, the normal position bulb tube is independently exposed to generate normal position incident rays, the normal position detector carries out normal position transmission ray collection, and the side position detector carries out partial normal position scattering ray collection.

Step S102: in the 2 nd frame of image, the side position bulb exposes alone in order to produce side position incident ray, and the side position detector carries out side position transmission ray and gathers, and the positive position detector carries out partial side position scattering ray and gathers.

In this application, the order of the exposure of the position bulb alone and the exposure of the side position bulb alone can be changed.

In this application, when the normal position bulb or the side position bulb is exposed separately, the intensity formula after the X-ray penetrates the human body is:

I＝I₀e^-(τ+σ)L

in the formula I₀Representing the intensity of incident radiation, i.e. the intensity of radiation impinging on the surface of the human body;

i represents the intensity of the transmitted rays, namely the intensity of the rays after penetrating the human body;

l represents the thickness of a human body through which the ray passes, tau represents the absorption attenuation coefficient of the ray in the human body, and sigma represents the scattering attenuation coefficient of the ray in the human body.

It should be noted that, because the human body thickness L is different between the normal lying and the lateral lying, the absorption attenuation coefficient τ of the human body and the scattering attenuation coefficient σ of the human body also change accordingly.

Therefore, in step S101, in the 1 st frame of the image, the intensity formula of the normal transmitted ray collected by the normal detector is:

the intensity formula of the part of the normal scattered rays collected by the side position detector is as follows:

in the formula, AP represents a positive position, and LT represents a lateral position.

Furthermore, after the side detector collects part of the normal scattering rays, a corresponding normal scattering mask image is generated and stored in a system memory for calling.

Positive scattering mask image:

in step S102, in the 2 nd frame of the image, the lateral detector acquires the intensity formula of the lateral transmission ray as follows:

the intensity formula of the part of the side scattered rays collected by the positive detector is as follows:

furthermore, after part of the side scattering rays collected by the positive detector are generated, corresponding side scattering mask images are generated and stored in a system memory for calling.

Side scatter mask image:

step S103: at the Nth frame of image, normal position bulb and side position bulb expose simultaneously in order to produce normal position incident ray and side position incident ray respectively, normal position detector and side position detector carry out the ray collection simultaneously, convert in order to form the normal position image behind the first mixed ray filtering part side position scattering ray that will the normal position detector gather to and, convert in order to form the side position image behind the second mixed ray filtering part normal position scattering ray that will the side position detector gather, wherein, N is for being greater than 2 integer.

It should be noted that the number of frames of the image refers to the number of frames of the image read by the detector, and this number of frames of the image corresponds to the clock of the control center of the X-ray machine.

In this application, when positive bulb exposure and side position bulb exposure expose simultaneously, positive image chain and side position image chain can produce the scattering interference each other, consequently, the positive detector still can gather partial side position scattering ray when carrying out positive transmission ray collection, and correspondingly, the side detector still can gather partial positive scattering ray when carrying out side position transmission ray collection.

Further, the first mixed ray includes two components: one part is righting transmission rays collected by a righting detector when the righting bulb tube is exposed independently; and the other part is part of side scattered rays collected by the positive detector when the side bulb tube is exposed independently.

Specifically, the ray intensity formula of the first mixed ray is:

in the formula, AP represents a positive position, LT represents a lateral position, I_APRepresenting the intensity of the rays transmitted in the normal position, I_OAPRepresenting the intensity of the radiation incident in normal position, I_OLTDenotes the intensity of laterally incident radiation, L_APRepresenting the thickness of the body through which the normal ray passes, L_LTIndicating the thickness of the body through which the lateral ray passes, τ_APRepresenting the absorption and attenuation coefficient, σ, of the ray in the normal position of the body_APRepresenting the scattering attenuation coefficient, σ, of the ray in the normal position of the body_LTWhich represents the scattering attenuation coefficient of the ray at the side of the body.

Furthermore, after part of side scattering rays (namely side scattering masks) are filtered out from the first mixed rays collected by the normal position detector, the first mixed rays are converted, so that the computer can display an interference-free human body normal position image.

Specifically, the formula of the ray intensity of the first mixed ray after filtering out part of the side scattered rays is as follows:

further, the second mixed ray includes two components: one part is side transmission rays collected by a side detector when the side bulb tube is exposed independently; and the other part is part of the normal scattered rays collected by the side detector when the normal bulb tube is exposed independently.

Specifically, the ray intensity formula of the second mixed ray is:

in the formula, AP represents a positive position, LT represents a lateral position, I_LTDenotes the intensity of laterally transmitted radiation, I_OLTDenotes the intensity of laterally incident radiation, I_OAPRepresenting the intensity of the normal incident radiation, L_LTIndicating the thickness of the body through which the lateral rays pass, L_APRepresenting the thickness of the body through which the normal ray passes, τ_LTRepresenting the absorption and attenuation coefficient, σ, of the ray at the side of the body_LTRepresenting the scattering attenuation coefficient, σ, of the ray at the side of the body_APRepresenting the scattering attenuation coefficient of the ray when the human body is in the right position.

Furthermore, the second mixed rays collected by the side detector are converted after part of normal scattered rays (namely, a normal scattering mask) are filtered out, so that the computer can display an interference-free human body side image.

Specifically, the formula of the ray intensity of the second mixed ray after filtering out part of the normal scattered rays is as follows:

by adopting the double-path image chain exposure control method, the positive position bulb tube is independently exposed in the 1 st frame of the image, so that the side position detector can collect part of positive position scattered rays; in the 2 nd frame of the image, the lateral position bulb tube is exposed independently, so that the normal position detector can collect partial lateral position scattered rays; when the two image chains generate scattering interference, the first mixed rays collected by the normal detector in the third frame to the Nth frame are filtered out part of the side scattering rays collected in the second frame, and then the normal detector can convert the filtered first mixed rays so as to enable the computer to display an interference-free human body normal image; meanwhile, after the second mixed rays collected by the side position detector in the third frame to the Nth frame are filtered out part of normal scattered rays collected by the first frame, the side position detector can convert the filtered second mixed rays so as to enable the computer to display an interference-free human body side position image.

The following are embodiments of the apparatus of the present application that may be used to perform embodiments of the method of the present application. For details which are not disclosed in the embodiments of the apparatus of the present application, reference is made to the embodiments of the method of the present invention.

As shown in fig. 3, an embodiment of the present application provides a two-way image chain exposure control device, which includes a position bulb 31, a side position bulb 32, a position detector 33, and a side position detector 34.

Wherein:

a normal position bulb 31 for normal position exposure to generate normal position incident rays;

a lateral bulb 32 for lateral exposure to produce lateral incident radiation;

the righting detector 33 is used for collecting righting transmission rays when the righting bulb tube is exposed independently; the system is used for collecting partial side scattered rays when the side bulb tube is exposed independently; the device comprises a main body, a main body and a main body, wherein the main body is provided with a main body cavity, a main body cavity and a main body cavity;

a side position detector 34 for collecting the side position transmission ray when the side position bulb tube is exposed independently; the device is used for collecting part of normal scattered rays when the normal bulb tube is exposed independently; and the second mixed ray is used for carrying out ray collection when the righting bulb tube and the side position bulb tube are exposed simultaneously, and converting the collected second mixed ray after filtering out part of righting scattered rays to form a side position image.

An embodiment of the present application further provides a terminal, which includes a memory and a processor, where the memory stores a computer program that can be executed on the processor, and the processor executes the two-way image chain exposure control method shown in fig. 2 when executing the computer program.

In particular, the processor may be a CPU, general purpose processor, DSP, ASIC, FPGA or other programmable logic device, transistor logic device, hardware component, or any combination thereof. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a DSP and a microprocessor, or the like.

In particular, the processor is connected to the memory by a bus, which may include a path for transferring information. The bus may be a PCI bus or an EISA bus, etc. The bus may be divided into an address bus, a data bus, a control bus, etc.

The memory may be, but is not limited to, a ROM or other type of static storage device that can store static information and instructions, a RAM or other type of dynamic storage device that can store information and instructions, an EEPROM, a CD-ROM or other optical disk storage, optical disk storage (including compact disk, laser disk, optical disk, digital versatile disk, blu-ray disk, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer.

Optionally, the memory is used for storing codes of computer programs for executing the scheme of the application, and the processor is used for controlling the execution. The processor is configured to execute the application program codes stored in the memory to implement the operations of the dual-path image chain exposure control apparatus provided in the embodiment shown in fig. 3.

An embodiment of the present application further provides a computer-readable storage medium, which includes a stored computer program, where when the computer program is executed by a processor, the computer program controls a terminal where the storage medium is located to execute the above-mentioned two-way image chain exposure control method shown in fig. 2.

The above-described embodiments of the apparatus are merely illustrative, and the units illustrated as separate components may or may not be physically separate, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.

While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.