CN111491130A - Adaptive display picture driving apparatus - Google Patents
Adaptive display picture driving apparatus Download PDFInfo
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- CN111491130A CN111491130A CN201911287303.5A CN201911287303A CN111491130A CN 111491130 A CN111491130 A CN 111491130A CN 201911287303 A CN201911287303 A CN 201911287303A CN 111491130 A CN111491130 A CN 111491130A
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- image
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- geometric correction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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Abstract
The invention relates to a self-adaptive display picture driving device, comprising: the parameter extraction equipment is used for receiving the continuous multi-frame images corresponding to each monitoring terminal in time, and analyzing the content change degree of the multi-frame images to output the content change degree serving as the content change degree of the corresponding monitoring terminal; the display driving device is used for determining the display area occupied by the image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal; and the picture display screen is connected with the display driving equipment and is used for simultaneously displaying each image corresponding to each monitoring terminal at the current moment. The self-adaptive display picture driving device provided by the invention has the advantages of stable operation and compact structure. The size of the display area occupied by the monitoring terminal on the display screen in the control room can be selected in a self-adaptive mode according to the monitoring scene of the monitoring terminal, so that the attention of monitoring personnel to the monitoring area with obvious changes is effectively improved.
Description
Technical Field
The invention relates to the field of display driving, in particular to a self-adaptive display picture driving device.
Background
The display driver is a program for driving the display, and is software corresponding to the hardware. A driver is a small piece of code added to the operating system that contains information about the hardware device.
With this information, the computer can communicate with the device. The driver is a configuration file written by a hardware manufacturer according to an operating system, and hardware in the computer cannot work without the driver. Different operating systems and different hardware drivers are used, and various hardware manufacturers can continuously upgrade the drivers in order to ensure the compatibility of the hardware and enhance the functions of the hardware.
Disclosure of Invention
In order to solve the technical problems in the related art, the invention provides a self-adaptive display picture driving device which can self-adaptively determine the display area occupied by a display terminal according to the content change degree of a monitoring picture of the monitoring terminal, thereby overcoming the technical problem that the picture of a suspicious monitoring area cannot be obviously displayed due to the limited display area of the display terminal.
Therefore, the invention at least needs to have the following two key points:
(1) determining the display area occupied by the picture on the display terminal according to the intensity of the picture change of the monitoring terminal, thereby fully utilizing the limited display screen to display a large picture in a key area;
(2) and calculating the image change intensity of the monitoring terminal by adopting the content change degrees of the continuous multi-frame images in time, thereby obtaining first-hand visual data.
According to an aspect of the present invention, there is provided an adaptive display screen driving apparatus, the apparatus including:
the multi-channel receiving device is used for receiving each instant monitoring image sent by each monitoring terminal from each monitoring place, the multi-channel receiving device comprises a plurality of signal receiving units and a plurality of image processing units, the signal receiving units are used for realizing receiving operation of each instant monitoring image, and each signal receiving unit only receives the instant monitoring image sent by one monitoring terminal;
the data conversion equipment is connected with the multi-channel receiving equipment and is used for executing edge enhancement processing on the instant monitoring image received by each signal receiving unit so as to obtain and output a corresponding target image;
the signal sharpening device is connected with the data conversion device and is used for carrying out image content sharpening processing on the received target image so as to obtain a content sharpened image;
the geometric correction device is connected with the signal sharpening device and is used for executing geometric correction processing on the received spatial filtering image to obtain a corresponding geometric correction image;
the parameter extraction equipment is connected with the geometric correction equipment and used for receiving the continuous multi-frame geometric correction images corresponding to each monitoring terminal in time and analyzing the content change degree of the multi-frame geometric correction images to be output as the content change degree of the corresponding monitoring terminals;
the display driving device is respectively connected with the parameter extraction device and the picture display screen and is used for determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal;
the picture display screen is connected with the display driving equipment and is used for simultaneously displaying each geometric correction image corresponding to each monitoring terminal at the current moment;
determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal comprises: the more severe the content change degree of each monitoring terminal is, the larger the display area occupied by the determined geometric correction image corresponding to the monitoring terminal on the picture display screen is.
According to another aspect of the present invention, there is also provided an adaptive display driving method, including using an adaptive display driving apparatus as described above, for adaptively determining a display area occupied by a monitor terminal according to a content change degree of a monitor screen of the monitor terminal.
The self-adaptive display picture driving device provided by the invention has the advantages of stable operation and compact structure. The size of the display area occupied by the monitoring terminal on the display screen in the control room can be selected in a self-adaptive mode according to the monitoring scene of the monitoring terminal, so that the attention of monitoring personnel to the monitoring area with obvious changes is effectively improved.
Detailed Description
An embodiment of the adaptive display screen driving apparatus of the present invention will be described in detail below.
Display devices, which may also be referred to as displays, or more generally as display screens, etc. Is a device that can output images or tactile information. If the input signal is an electronic signal, such a display device will be referred to as an electronic display device, as opposed to a mechanical display device.
Common electronic display devices, for example: television display screen, computer monitor.
At present, although the screen size of a display screen in a control room connected with a plurality of monitoring terminals is increased, the screen size is increased in a limited manner compared with the number of the monitoring terminals, and what is more critical, the pictures captured by each monitoring terminal by the display screen are pictures without quality improvement, the occupied screen areas are the same, and the pictures with violent changes cannot be displayed in a larger area, so that the attention and attention of monitoring personnel cannot be increased.
In order to overcome the defects, the invention builds the self-adaptive display picture driving device and can effectively solve the corresponding technical problem.
An adaptive display screen driving apparatus according to an embodiment of the present invention includes:
the multi-channel receiving device is used for receiving each instant monitoring image sent by each monitoring terminal from each monitoring place, the multi-channel receiving device comprises a plurality of signal receiving units and a plurality of image processing units, the signal receiving units are used for realizing receiving operation of each instant monitoring image, and each signal receiving unit only receives the instant monitoring image sent by one monitoring terminal;
the data conversion equipment is connected with the multi-channel receiving equipment and is used for executing edge enhancement processing on the instant monitoring image received by each signal receiving unit so as to obtain and output a corresponding target image;
the signal sharpening device is connected with the data conversion device and is used for carrying out image content sharpening processing on the received target image so as to obtain a content sharpened image;
the geometric correction device is connected with the signal sharpening device and is used for executing geometric correction processing on the received spatial filtering image to obtain a corresponding geometric correction image;
the parameter extraction equipment is connected with the geometric correction equipment and used for receiving the continuous multi-frame geometric correction images corresponding to each monitoring terminal in time and analyzing the content change degree of the multi-frame geometric correction images to be output as the content change degree of the corresponding monitoring terminals;
the display driving device is respectively connected with the parameter extraction device and the picture display screen and is used for determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal;
the picture display screen is connected with the display driving equipment and is used for simultaneously displaying each geometric correction image corresponding to each monitoring terminal at the current moment;
determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal comprises: the more severe the content change degree of each monitoring terminal is, the larger the display area occupied by the determined geometric correction image corresponding to the monitoring terminal on the picture display screen is.
Next, a detailed description of the adaptive display screen driving apparatus according to the present invention will be further described.
The adaptive display screen driving apparatus may further include:
and the video communication equipment is used for wirelessly sending the field image obtained by image acquisition of the environment where the picture display screen is located.
In the adaptive display screen driving apparatus:
the video communication apparatus includes a compression encoding device for performing MPEG-4 standard compression on a live image to obtain a compressed image.
In the adaptive display screen driving apparatus:
the video communication equipment comprises a multi-index coding device which is connected with the compression coding device and is used for carrying out multi-index coding on the compressed image to obtain channel coding data.
In the adaptive display screen driving apparatus:
the video communication device comprises a wireless communication interface connected with the multi-index coding device and used for wirelessly transmitting channel coding data.
In the adaptive display screen driving apparatus:
the wireless communication interface is a time division duplex communication interface or a frequency division duplex communication interface.
In the adaptive display screen driving apparatus:
the wireless communication interface is a 4G communication interface or a GPRS communication interface.
In the adaptive display screen driving apparatus:
the video communication equipment is also internally provided with a storage unit for temporarily storing the compressed image.
Meanwhile, in order to overcome the defects, the invention also builds an adaptive display picture driving method, which comprises the step of using an adaptive display picture driving device as described above for adaptively determining the display area occupied by the monitoring terminal according to the content change degree of the monitoring picture of the monitoring terminal.
In addition, frequency division duplex means that uplink and downlink transmissions are performed on different frequencies. In the first and second generation cellular systems, FDD technology is basically used for duplex transmission. In particular, in the first generation cellular systems, since continuous baseband signals are transmitted, duplex uplink and downlink channels must be provided using different frequencies. In the first generation cellular systems, in which FDD is used for continuous information transmission, frequency synthesizers for generating different carrier frequencies are required at both the transmitting and receiving ends, and a duplex filter for preventing the transmission signal from leaking to the receiver is required at the receiving end. In addition, in order to facilitate the fabrication of the duplexer, a certain frequency interval is required between the transmission and reception carrier frequencies. In the second generation of systems such as GSM, IS-136 and IS-95, FDD technology IS also used. In these systems, since the information is transmitted in time slots, the transmission and reception can be performed in different time slots, and the transmission signal of the mobile station or the base station does not interfere with the receiver. So, despite the FDD technique employed, no expensive duplex filters are required.
The FDD mode is characterized by receiving and transmitting in two symmetric frequency channels separated (190 MHz between uplink and downlink frequencies), and separating the receiving and transmitting channels by guard bands.
By adopting the technologies of packet switching and the like, the bottleneck of the second generation development can be broken through, the high-speed data service can be realized, the frequency spectrum utilization rate can be improved, and the system capacity can be increased. FDD must provide third generation services using paired frequencies, i.e., within a bandwidth of every 2x5 MHz. The mode can fully utilize the uplink and downlink frequency spectrums when supporting the symmetric service, but the frequency spectrum utilization rate is greatly reduced (about 40 percent of the frequency spectrum utilization rate is reduced due to low uplink load) when the asymmetric packet switching (Internet) works, and in this regard, the TDD mode has incomparable advantages compared with the FDD mode.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
Although the present invention has been described with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims of the present application.
Claims (9)
1. An adaptive display picture driving apparatus, the apparatus comprising:
the multi-channel receiving device is used for receiving each instant monitoring image sent by each monitoring terminal from each monitoring place, the multi-channel receiving device comprises a plurality of signal receiving units and a plurality of image processing units, the signal receiving units are used for realizing receiving operation of each instant monitoring image, and each signal receiving unit only receives the instant monitoring image sent by one monitoring terminal;
the data conversion equipment is connected with the multi-channel receiving equipment and is used for executing edge enhancement processing on the instant monitoring image received by each signal receiving unit so as to obtain and output a corresponding target image;
the signal sharpening device is connected with the data conversion device and is used for carrying out image content sharpening processing on the received target image so as to obtain a content sharpened image;
the geometric correction device is connected with the signal sharpening device and is used for executing geometric correction processing on the received spatial filtering image to obtain a corresponding geometric correction image;
the parameter extraction equipment is connected with the geometric correction equipment and used for receiving the continuous multi-frame geometric correction images corresponding to each monitoring terminal in time and analyzing the content change degree of the multi-frame geometric correction images to be output as the content change degree of the corresponding monitoring terminals;
the display driving device is respectively connected with the parameter extraction device and the picture display screen and is used for determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal;
the picture display screen is connected with the display driving equipment and is used for simultaneously displaying each geometric correction image corresponding to each monitoring terminal at the current moment;
determining the display area occupied by the geometric correction image corresponding to each monitoring terminal on the picture display screen based on the content change degree of each monitoring terminal comprises: the more severe the content change degree of each monitoring terminal is, the larger the display area occupied by the determined geometric correction image corresponding to the monitoring terminal on the picture display screen is.
2. The adaptive display driving apparatus according to claim 1, wherein the apparatus further comprises:
and the video communication equipment is used for wirelessly sending the field image obtained by image acquisition of the environment where the picture display screen is located.
3. The adaptive display driving apparatus according to claim 2, wherein:
the video communication apparatus includes a compression encoding device for performing MPEG-4 standard compression on a live image to obtain a compressed image.
4. The adaptive display driving apparatus according to claim 3, wherein:
the video communication equipment comprises a multi-index coding device which is connected with the compression coding device and is used for carrying out multi-index coding on the compressed image to obtain channel coding data.
5. The adaptive display driving apparatus according to claim 4, wherein:
the video communication device comprises a wireless communication interface connected with the multi-index coding device and used for wirelessly transmitting channel coding data.
6. The adaptive display driving apparatus according to claim 5, wherein:
the wireless communication interface is a time division duplex communication interface or a frequency division duplex communication interface.
7. The adaptive display driving apparatus according to claim 5, wherein:
the wireless communication interface is a 4G communication interface or a GPRS communication interface.
8. The adaptive display driving apparatus according to claim 5, wherein:
the video communication equipment is also internally provided with a storage unit for temporarily storing the compressed image.
9. An adaptive display driving method, the method comprising providing an adaptive display driving apparatus according to any one of claims 1 to 8, for adaptively determining a display area occupied by a monitor terminal according to a content change degree of a monitor screen of the monitor terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911287303.5A CN111491130A (en) | 2019-12-14 | 2019-12-14 | Adaptive display picture driving apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911287303.5A CN111491130A (en) | 2019-12-14 | 2019-12-14 | Adaptive display picture driving apparatus |
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| CN201911287303.5A Withdrawn CN111491130A (en) | 2019-12-14 | 2019-12-14 | Adaptive display picture driving apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112199006A (en) * | 2020-12-08 | 2021-01-08 | 江苏北弓智能科技有限公司 | Terminal equipment picture display self-adaption method |
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Application publication date: 20200804 |