CN109887533B - Multifunctional user mobile terminal control system and method - Google Patents
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Abstract
The invention relates to a multifunctional user terminal control system, comprising: the scene analysis equipment is arranged in the intelligent terminal and used for carrying out scene recognition on the range adjustment image based on the scene imaging characteristics in the vehicle so as to send out a first recognition signal when the scene is recognized as the scene in the vehicle, and otherwise, send out a second recognition signal; and the recording driving device is arranged in the intelligent terminal and used for controlling the intelligent terminal to enter the automatic recording mode when receiving the first identification signal and controlling the intelligent terminal to exit the automatic recording mode when receiving the second identification signal. The invention also relates to a control method of the multifunctional user terminal. The multifunctional user terminal control system and the method have compact design, and are convenient and practical. Because the scene recognition is carried out on the image after the targeted processing based on the imaging characteristics of the scene in the vehicle, the intelligent terminal is controlled to enter the automatic recording mode when the scene in the vehicle is recognized, and the additional recording equipment in the vehicle is prevented from being installed in the vehicle.
Description
Technical Field
The invention relates to the field of user terminals, in particular to a multifunctional user mobile terminal control system and a method.
Background
A Terminal (Terminal) is also called a Terminal device, and is a device located at the outermost periphery of a network in a computer network, and is mainly used for inputting user information and outputting a processing result.
In early computer systems, since the host computer was expensive, one host computer (IBM mainframe computer) was generally configured with a plurality of terminals, which had no computing power and only assumed the work of inputting and outputting information, and the operation and processing were performed by the host computer.
In the age of personal computers, personal computers may run programs called terminal emulators to emulate the operation of a terminal.
With the development of mobile networks, mobile terminals (such as mobile phones and PADs) are widely used. In this case, the terminal can not only undertake input and output operations, but also perform certain operations and processing to implement partial system functions.
Disclosure of Invention
The present invention has at least two important points:
(1) performing scene recognition on the image subjected to the targeted processing based on the in-vehicle scene imaging characteristics so as to control the intelligent terminal to enter an automatic recording mode when the image is recognized as the in-vehicle scene, so as to avoid installing additional in-vehicle recording equipment in the vehicle;
(2) based on the distribution characteristics of each object in the image to be processed, different image enhancement mechanisms are selected to perform corresponding enhancement processing on the image to be processed, so that the self-adaptive level of image processing is improved.
According to an aspect of the present invention, there is provided a multi-functional user terminal control system, the system comprising: the image combination equipment is arranged in the intelligent terminal and used for receiving a front imaging image and a rear imaging image which are obtained by respectively shooting by front camera equipment and rear camera equipment of the intelligent terminal and splicing the front imaging image and the rear imaging image to obtain a field spliced image.
More specifically, in the multifunctional user terminal control system, further comprising: and the distortion processing equipment is arranged in the intelligent terminal, is connected with the image combination equipment and is used for receiving the on-site spliced image and executing distortion correction processing on the on-site spliced image so as to obtain a corresponding distortion correction image.
More specifically, in the multifunctional user terminal control system, further comprising: the object detection device is used for receiving the distortion correction image and detecting the objects in the distortion correction image so as to segment each object area corresponding to each object from the distortion correction image; the numerical comparison device is connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the maximum-area object region occupying the distortion correction image as a representative proportion; the logarithm enhancement equipment is respectively connected with the distortion processing equipment and the numerical comparison equipment and is used for starting image enhancement processing based on logarithm transformation on the received distortion correction image when the received representative proportion is greater than or equal to a preset proportion threshold value so as to obtain a corresponding real-time enhanced image; and the index enhancement equipment is respectively connected with the distortion processing equipment and the numerical comparison equipment and is used for starting image enhancement processing based on index transformation on the received distortion correction image when the received representative proportion is smaller than the preset proportion threshold value so as to obtain a corresponding real-time enhanced image.
According to another aspect of the present invention, there is also provided a multi-functional user terminal control method, the method comprising: the method comprises the steps that image combination equipment is used and arranged in an intelligent terminal and used for receiving a front imaging image and a rear imaging image which are obtained by shooting of front camera equipment and rear camera equipment of the intelligent terminal respectively, and the front imaging image and the rear imaging image are spliced to obtain a field spliced image.
More specifically, in the multifunctional user terminal control method, the method further includes: and using distortion processing equipment, arranged in the intelligent terminal, connected with the image combination equipment, and used for receiving the on-site spliced image and executing distortion correction processing on the on-site spliced image to obtain a corresponding distortion corrected image.
More specifically, in the multifunctional user terminal control method, the method further includes: using an object detection device for receiving the distortion correction image and detecting an object in the distortion correction image to segment each object region corresponding to each object from the distortion correction image; using a numerical comparison device connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the maximum-area object region occupying the distortion correction image as a representative proportion; using a logarithmic enhancement device, respectively connected to the distortion processing device and the numerical comparison device, for starting an image enhancement process based on logarithmic transformation on the received distortion correction image when the received representative ratio is greater than or equal to a preset ratio threshold value, so as to obtain a corresponding real-time enhanced image; and the index enhancement equipment is respectively connected with the distortion processing equipment and the numerical comparison equipment and is used for starting image enhancement processing based on index transformation on the received distortion correction image when the received representative proportion is smaller than the preset proportion threshold value so as to obtain a corresponding real-time enhanced image.
The multifunctional user terminal control system and the method have compact design, and are convenient and practical. Because the scene recognition is carried out on the image after the targeted processing based on the imaging characteristics of the scene in the vehicle, the intelligent terminal is controlled to enter the automatic recording mode when the scene in the vehicle is recognized, and the additional recording equipment in the vehicle is prevented from being installed in the vehicle.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a diagram illustrating an external configuration of an intelligent terminal to which a multi-functional user terminal control system according to an embodiment of the present invention is applied.
Detailed Description
Embodiments of the multi-functional user terminal control system and method of the present invention will be described in detail below with reference to the accompanying drawings.
In general, an intelligent terminal is a type of embedded computer system device, and therefore, the architecture framework of the intelligent terminal is consistent with the architecture of an embedded system; meanwhile, the intelligent terminal is used as an application direction of the embedded system, and the application scene setting is clear, so that the system structure is more clear than that of a common embedded system, the granularity is finer, and the system has certain characteristics.
From the viewpoint of hardware, the intelligent terminal generally adopts a von neumann structure, which is a classic architecture of a computer, and is composed of 5 major components, namely, an arithmetic Unit (Calculator, also called an Arithmetic Logic Unit (ALU)), a Controller (Controller), a Memory (Memory), an Input Device (Input Device), and an Output Device (Output Device), wherein the arithmetic Unit and the Controller constitute a Central Processing Unit (CPU), which is a core component of the computer.
Among the prior art, it is very important to settle supplementary recording equipment inside the vehicle, on the one hand, can effectively prevent to bump the porcelain action, records on-the-spot audio signal, and on the other hand can play the effect of black box when the collision accident takes place, records so that the accident true phase is resumeed afterwards to the audio signal of accident scene, however, if additionally increase the electronic auxiliary equipment that is used for the video recording specially all can make wiring and overall arrangement in the car more loaded down with trivial details and complicated.
In order to overcome the defects, the invention builds a multifunctional user terminal control system and a method, and can effectively solve the corresponding technical problem.
Fig. 1 is a diagram illustrating an external configuration of an intelligent terminal to which a multi-functional user terminal control system according to an embodiment of the present invention is applied.
The multi-functional user terminal control system shown according to an embodiment of the present invention includes:
the image combination equipment is arranged in the intelligent terminal and used for receiving a front imaging image and a rear imaging image which are obtained by respectively shooting by front camera equipment and rear camera equipment of the intelligent terminal and splicing the front imaging image and the rear imaging image to obtain a field spliced image.
Next, the detailed configuration of the multi-function user terminal control system of the present invention will be further described.
The multifunctional user terminal control system may further include:
and the distortion processing equipment is arranged in the intelligent terminal, is connected with the image combination equipment and is used for receiving the on-site spliced image and executing distortion correction processing on the on-site spliced image so as to obtain a corresponding distortion correction image.
The multifunctional user terminal control system may further include:
the object detection device is used for receiving the distortion correction image and detecting the objects in the distortion correction image so as to segment each object area corresponding to each object from the distortion correction image;
the numerical comparison device is connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the maximum-area object region occupying the distortion correction image as a representative proportion;
the logarithm enhancement equipment is respectively connected with the distortion processing equipment and the numerical comparison equipment and is used for starting image enhancement processing based on logarithm transformation on the received distortion correction image when the received representative proportion is greater than or equal to a preset proportion threshold value so as to obtain a corresponding real-time enhanced image;
the index enhancement equipment is respectively connected with the distortion processing equipment and the numerical value comparison equipment and is used for starting image enhancement processing based on index transformation on the received distortion correction image when the received representative proportion is smaller than the preset proportion threshold value so as to obtain a corresponding real-time enhanced image;
the logarithmic enhancement device is further configured to stop logarithmic transformation-based image enhancement processing of the received distortion correction image when the received representative proportion is less than the preset proportion threshold;
the index enhancement device is further used for stopping the image enhancement processing based on the exponential transformation of the received distortion correction image when the received representative proportion is larger than or equal to the preset proportion threshold value;
the dynamic range adjusting device is respectively connected with the logarithmic enhancement device and the exponential enhancement device and is used for performing dynamic range expansion adjustment on the real-time enhanced image output by the logarithmic enhancement device or the exponential enhancement device to obtain a range adjusting image;
the scene analysis equipment is arranged in the intelligent terminal, is connected with the dynamic range adjustment equipment, and is used for carrying out scene identification on the range adjustment image based on the in-vehicle scene imaging characteristics so as to send out a first identification signal when the in-vehicle scene is identified, or send out a second identification signal when the in-vehicle scene is not identified;
in the scene analysis device, performing scene recognition on the range adjustment image based on an in-vehicle scene imaging feature, so that when the in-vehicle scene is recognized, sending out a first recognition signal includes: issuing a first identification signal when a steering wheel object is identified in the range adjustment image based on the reference steering wheel profile;
in the scene analysis device, performing scene recognition on the range adjustment image based on the in-vehicle scene imaging characteristics to send out a first recognition signal when the in-vehicle scene is recognized, and otherwise, sending out a second recognition signal includes: when the device is not arranged in any vehicle interior part in the range adjustment image, sending a second identification signal;
the recording driving device is arranged in the intelligent terminal, is connected with the scene analysis device and is used for controlling the intelligent terminal to enter an automatic recording mode when receiving the first identification signal;
and the recording driving equipment is also used for controlling the intelligent terminal to exit the automatic recording mode when receiving a second identification signal.
In the multifunctional user terminal control system:
the object detection equipment consists of data receiving sub-equipment, detection execution sub-equipment, region segmentation sub-equipment and data output sub-equipment;
wherein, in the object detection device, the detection execution sub-device is connected to the data reception sub-device and the region segmentation sub-device, respectively;
wherein, in the object detection device, the region segmentation sub-device is connected to the data reception sub-device and the detection execution sub-device, respectively.
The multifunctional user terminal control system may further include:
the correction splicing device is arranged in the intelligent terminal, is positioned between the image combination device and the distortion processing device and is used for receiving a field splicing image, equally divides the field splicing image into blocks with the corresponding block sizes based on the distance between the average brightness of the field splicing image and the central value of a preset brightness range, selects corresponding geometric correction processing with different strengths for each block based on the pixel value variance of the block to obtain geometric correction blocks, splices the obtained geometric correction blocks to obtain a correction splicing image, and sends the correction splicing image to the distortion processing device in place of the field splicing image;
the FPM DRAM storage device is connected with the correction splicing device and is used for pre-storing the preset brightness range;
the preset brightness range is a brightness range limited by a preset brightness upper threshold and a preset brightness lower threshold, and the preset brightness upper threshold is larger than the preset brightness lower threshold;
in the correction splicing equipment, the closer the average brightness of the on-site spliced image is to the central value of the preset brightness range, the larger corresponding blocks into which the on-site spliced image is equally divided are;
in the correction splicing device, for each block, the greater the variance of the pixel values of the block, the smaller the strength of the selected geometric correction processing.
The multifunctional user terminal control method according to the embodiment of the invention comprises the following steps:
the method comprises the steps that image combination equipment is used and arranged in an intelligent terminal and used for receiving a front imaging image and a rear imaging image which are obtained by shooting of front camera equipment and rear camera equipment of the intelligent terminal respectively, and the front imaging image and the rear imaging image are spliced to obtain a field spliced image.
Next, the specific steps of the multi-function user terminal control method of the present invention will be further described.
The multifunctional user terminal control method may further include:
and using distortion processing equipment, arranged in the intelligent terminal, connected with the image combination equipment, and used for receiving the on-site spliced image and executing distortion correction processing on the on-site spliced image to obtain a corresponding distortion corrected image.
The multifunctional user terminal control method may further include:
using an object detection device for receiving the distortion correction image and detecting an object in the distortion correction image to segment each object region corresponding to each object from the distortion correction image;
using a numerical comparison device connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the maximum-area object region occupying the distortion correction image as a representative proportion;
using a logarithmic enhancement device, respectively connected to the distortion processing device and the numerical comparison device, for starting an image enhancement process based on logarithmic transformation on the received distortion correction image when the received representative ratio is greater than or equal to a preset ratio threshold value, so as to obtain a corresponding real-time enhanced image;
using an index enhancement device, respectively connected to the distortion processing device and the numerical comparison device, for starting an image enhancement process based on an index transform on the received distortion correction image when the received representative ratio is smaller than the preset ratio threshold, so as to obtain a corresponding real-time enhanced image;
the logarithmic enhancement device is further configured to stop logarithmic transformation-based image enhancement processing of the received distortion correction image when the received representative proportion is less than the preset proportion threshold;
the index enhancement device is further used for stopping the image enhancement processing based on the exponential transformation of the received distortion correction image when the received representative proportion is larger than or equal to the preset proportion threshold value;
using a dynamic range adjusting device, respectively connected to the logarithmic enhancing device and the exponential enhancing device, for performing dynamic range expansion adjustment on the real-time enhanced image output by the logarithmic enhancing device or the exponential enhancing device to obtain a range adjusted image;
the scene analysis equipment is arranged in the intelligent terminal, connected with the dynamic range adjustment equipment and used for carrying out scene identification on the range adjustment image based on scene imaging characteristics in the vehicle so as to send out a first identification signal when the scene is identified as a scene in the vehicle, and otherwise, sending out a second identification signal;
in the scene analysis device, performing scene recognition on the range adjustment image based on an in-vehicle scene imaging feature, so that when the in-vehicle scene is recognized, sending out a first recognition signal includes: issuing a first identification signal when a steering wheel object is identified in the range adjustment image based on the reference steering wheel profile;
in the scene analysis device, performing scene recognition on the range adjustment image based on the in-vehicle scene imaging characteristics to send out a first recognition signal when the in-vehicle scene is recognized, and otherwise, sending out a second recognition signal includes: when the device is not arranged in any vehicle interior part in the range adjustment image, sending a second identification signal;
the recording driving device is arranged in the intelligent terminal, is connected with the scene analysis device and is used for controlling the intelligent terminal to enter an automatic recording mode when receiving the first identification signal;
and the recording driving equipment is also used for controlling the intelligent terminal to exit the automatic recording mode when receiving a second identification signal.
The multifunctional user terminal control method comprises the following steps:
the object detection equipment consists of data receiving sub-equipment, detection execution sub-equipment, region segmentation sub-equipment and data output sub-equipment;
wherein, in the object detection device, the detection execution sub-device is connected to the data reception sub-device and the region segmentation sub-device, respectively;
wherein, in the object detection device, the region segmentation sub-device is connected to the data reception sub-device and the detection execution sub-device, respectively.
The multifunctional user terminal control method may further include:
using correction splicing equipment, arranged in an intelligent terminal, positioned between the image combination equipment and the distortion processing equipment, and used for receiving a field spliced image, equally dividing the field spliced image into blocks with corresponding block sizes based on the distance between the average brightness of the field spliced image and a preset brightness range central value, selecting corresponding geometric correction processing with different strengths based on the pixel value variance of each block to obtain geometric correction blocks for each block, splicing the obtained geometric correction blocks to obtain a corrected spliced image, and sending the corrected spliced image to the distortion processing equipment in place of the field spliced image;
using FPM DRAM storage equipment, connecting with the correction splicing equipment, and storing the preset brightness range in advance;
the preset brightness range is a brightness range limited by a preset brightness upper threshold and a preset brightness lower threshold, and the preset brightness upper threshold is larger than the preset brightness lower threshold;
in the correction splicing equipment, the closer the average brightness of the on-site spliced image is to the central value of the preset brightness range, the larger corresponding blocks into which the on-site spliced image is equally divided are;
in the correction splicing device, for each block, the greater the variance of the pixel values of the block, the smaller the strength of the selected geometric correction processing.
In addition, FPM DRAM (Fast Page Mode RAM): fast page mode memory. Is a memory that was commonly used during time 486 (also used as video memory). 72 lines, 5V voltage, 32bit bandwidth and basic speed of more than 60 ns. His read cycle begins with the triggering of a row in the DRAM array and then moves to the location indicated by the memory address, i.e., contains the desired data. The first message must be validated and stored to the system in preparation for the next cycle. This introduces a "wait state" because the CPU must wait for the memory to complete one cycle foolproof. One important reason for the widespread use of FPM is that it is a standard and safe product and is inexpensive. But the defect of the performance of the memory causes the memory to be replaced by EDODRAM soon, and the video card with the video memory is not existed.
Finally, it should be noted that each functional device in the embodiments of the present invention may be integrated into one processing device, or each device may exist alone physically, or two or more devices may be integrated into one device.
The functions, if implemented in the form of software-enabled devices and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: 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 above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. A method for controlling a multi-function user terminal, the method comprising:
the method comprises the steps that image combination equipment is used and arranged in an intelligent terminal and used for receiving a front imaging image and a rear imaging image which are obtained by shooting of front camera equipment and rear camera equipment of the intelligent terminal respectively and splicing the front imaging image and the rear imaging image to obtain a field spliced image;
using distortion processing equipment, arranged in the intelligent terminal, connected with the image combination equipment, and used for receiving the on-site spliced image and executing distortion correction processing on the on-site spliced image to obtain a corresponding distortion corrected image;
using an object detection device for receiving the distortion correction image and detecting an object in the distortion correction image to segment each object region corresponding to each object from the distortion correction image;
using a numerical comparison device connected with the object detection device and used for performing area comparison on each object region so as to output the area proportion of the maximum-area object region occupying the distortion correction image as a representative proportion;
using a logarithmic enhancement device, respectively connected to the distortion processing device and the numerical comparison device, for starting an image enhancement process based on logarithmic transformation on the received distortion correction image when the received representative ratio is greater than or equal to a preset ratio threshold value, so as to obtain a corresponding real-time enhanced image;
using an index enhancement device, respectively connected to the distortion processing device and the numerical comparison device, for starting an image enhancement process based on an index transform on the received distortion correction image when the received representative ratio is smaller than the preset ratio threshold, so as to obtain a corresponding real-time enhanced image;
the logarithmic enhancement device is further configured to stop logarithmic transformation-based image enhancement processing of the received distortion correction image when the received representative proportion is less than the preset proportion threshold;
the index enhancement device is further used for stopping the image enhancement processing based on the exponential transformation of the received distortion correction image when the received representative proportion is larger than or equal to the preset proportion threshold value;
using a dynamic range adjusting device, respectively connected to the logarithmic enhancing device and the exponential enhancing device, for performing dynamic range expansion adjustment on the real-time enhanced image output by the logarithmic enhancing device or the exponential enhancing device to obtain a range adjusted image;
the scene analysis equipment is arranged in the intelligent terminal, connected with the dynamic range adjustment equipment and used for carrying out scene identification on the range adjustment image based on scene imaging characteristics in the vehicle so as to send out a first identification signal when the scene is identified as a scene in the vehicle, and otherwise, sending out a second identification signal;
in the scene analysis device, performing scene recognition on the range adjustment image based on an in-vehicle scene imaging feature, so that when the in-vehicle scene is recognized, sending out a first recognition signal includes: issuing a first identification signal when a steering wheel object is identified in the range adjustment image based on the reference steering wheel profile;
in the scene analysis device, performing scene recognition on the range adjustment image based on the in-vehicle scene imaging characteristics to send out a first recognition signal when the in-vehicle scene is recognized, and otherwise, sending out a second recognition signal includes: when any in-vehicle component is not identified in the range adjustment image, sending a second identification signal;
the recording driving device is arranged in the intelligent terminal, connected with the scene analysis device and used for controlling the intelligent terminal to enter an automatic recording mode when receiving a first identification signal;
and the recording driving equipment is also used for controlling the intelligent terminal to exit the automatic recording mode when receiving a second identification signal.
2. The multifunctional user terminal control method of claim 1, wherein:
the object detection equipment consists of data receiving sub-equipment, detection execution sub-equipment, region segmentation sub-equipment and data output sub-equipment;
wherein, in the object detection device, the detection execution sub-device is connected to the data reception sub-device and the region segmentation sub-device, respectively;
wherein, in the object detection device, the region segmentation sub-device is connected to the data reception sub-device and the detection execution sub-device, respectively.
3. The multi-function user terminal control method of claim 2, wherein said method further comprises:
using correction splicing equipment, arranged in an intelligent terminal, positioned between the image combination equipment and the distortion processing equipment, and used for receiving a field spliced image, equally dividing the field spliced image into blocks with corresponding block sizes based on the distance between the average brightness of the field spliced image and a preset brightness range central value, selecting corresponding geometric correction processing with different strengths based on the pixel value variance of each block to obtain geometric correction blocks for each block, splicing the obtained geometric correction blocks to obtain a corrected spliced image, and sending the corrected spliced image to the distortion processing equipment in place of the field spliced image;
using FPM DRAM storage equipment, connecting with the correction splicing equipment, and storing the preset brightness range in advance;
the preset brightness range is a brightness range limited by a preset brightness upper threshold and a preset brightness lower threshold, and the preset brightness upper threshold is larger than the preset brightness lower threshold;
in the correction splicing equipment, the closer the average brightness of the on-site spliced image is to the central value of the preset brightness range, the larger corresponding blocks into which the on-site spliced image is evenly divided are;
in the correction splicing device, for each block, the greater the variance of the pixel values of the block, the smaller the strength of the selected geometric correction processing.
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| CN109151642A (en) * | 2018-09-05 | 2019-01-04 | 北京今链科技有限公司 | A kind of intelligent earphone, intelligent earphone processing method, electronic equipment and storage medium |
| CN109187561A (en) * | 2018-10-16 | 2019-01-11 | 天津安通林汽车饰件有限公司 | A kind of vehicle door interior trim defective vision detection system |
| CN109429039A (en) * | 2017-09-05 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | A kind of mostly marshalling articulated vehicle circumference video panorama display system and method |
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| CN109429039A (en) * | 2017-09-05 | 2019-03-05 | 中车株洲电力机车研究所有限公司 | A kind of mostly marshalling articulated vehicle circumference video panorama display system and method |
| CN109151642A (en) * | 2018-09-05 | 2019-01-04 | 北京今链科技有限公司 | A kind of intelligent earphone, intelligent earphone processing method, electronic equipment and storage medium |
| CN109187561A (en) * | 2018-10-16 | 2019-01-11 | 天津安通林汽车饰件有限公司 | A kind of vehicle door interior trim defective vision detection system |
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