TW201720173A - System and method for adjusting image quality system according to air interface effectively lightening the burden of the channel bandwidth and increasing the image transmission rate of multimedia - Google Patents

Abstract

This invention relates to a system and method for adapting image quality system according to air interface that is a method for automatically adjusting the resolution of image transmission through an air interface quality analysis module real-time analyzing air interface quality in a wireless network. The system of this invention is characterized in that when a wireless network channel attenuates or a bandwidth is instable, the burden of the bandwidth of the channel may be effectively lightened, and the image transmission rate may be increased so that a mobile user owning optimal image browsing quality can be provided.

Description

System and method for adapting image quality system according to empty intermediation

The present invention relates to a system and method for adapting an image quality system, and more particularly to a system and method for setting up an image quality system according to an air interface device.

Today, mobile devices have become an important market segment in the electronics industry. One of the key requirements for these highly convenient devices is the need to connect to the Internet. Therefore, domestic wireless hotspots and signaling devices are almost public or open. An indispensable device in the premises.

At present, the screen size of mobile devices is increasing, and the users of large-size screens are mainly watching movies. Users who often use mobile devices to watch videos can feel the wireless network speed for video download and instant. The smoothness of viewing has a great impact. At present, there is still no way to effectively solve the problem of insufficient bandwidth of wireless transmitters. Most users can only wait for the video to resume continuously or intermittently watch the video. The resolution is switched within the interface to achieve higher speed, which often affects the user's interest in watching the video.

It can be seen that the above-mentioned wireless network technology that causes the user to slowly resume or intermittently watch the video needs to be improved. The inventor of the present invention succeeded in research and development in view of the above-mentioned shortcomings of the prior art. The authentication system and method for wireless power transmission of the present invention.

It is an object of the present invention to improve the user experience of transmitting high quality images and enhancing mobile users in a wireless network environment.

The present invention adapts the image transmission method by analyzing the air interface quality of the wireless network environment in real time. The system and method of the present invention effectively reduce the burden of the channel bandwidth and enhance the image when the wireless network channel is attenuated or the bandwidth is unstable. Transmission rate to provide mobile users with the best image viewing quality.

The system architecture of the present invention for adapting an image quality system according to an empty intermediation plane is as follows, which mainly comprises a data delivery module, which is set in a currently widely used wireless network device (such as a wireless network transmitter). Above, the data delivery module receives the plurality of instant data packets through the wireless network device, and transmits the instant data packets to the user devices connected to the plurality of ranges.

The present invention further includes a data packet analysis module, wherein the data packet analysis module is coupled to the data delivery module, and the data packet analysis module is configured to analyze whether each of the instant data packets passing through the data delivery module is Process the packet for the image.

The invention further comprises an air interface quality analysis module, wherein the air interface quality analysis module is also disposed on the wireless network device, and the air interface quality analysis module analyzes the quality of the air interface surface on the wireless network device and generates a communication. The quality indicator data, the air interface quality analysis module generates a corresponding image coding parameter according to the communication quality indicator data, and the image coding parameter is a parameter used by the invention to adjust the image quality according to the signal quality.

The communication quality indicator data is calculated according to a user device connected to the wireless network device via a network, and the quality of the communication quality indicator data is divided into five according to a Received Signal Strength Indicator (RSSI). The quality grade distances are optimal, good, normal, weak and intermittent quality grades.

The present invention further includes an image encoding module, the image encoding module is also disposed on the wireless network device, and the function of the image encoding module is to recompress and encode each of the instant data packets belonging to the image processing unit signal. The image coding module adopts a high compression ratio H.264/AVC standard as an image codec to enhance the image signal compression ratio, and the image coding module generates the image coding quantization parameter according to the spatial intermediation quality analysis module. The image signal is recompressed and encoded to generate an image transmission signal that can be processed in accordance with the current channel signal strength of the wireless network device.

The operation mode of the system of the present invention is that the image coding module receives each of the instant data packets analyzed by the data packet analysis module into image processing packets, and recompresses the instant data packets according to the communication quality indicator data. And the image encoding module transmits the re-compressed encoded real-time data packets to the data receiving module, and the data receiving module transmits each of the real-time data packets to each of the user devices.

As described above, the quality of the communication quality indicator is differentiated according to the received signal strength indicator (RSSI), which is respectively indicated by the strength of the wireless device transmission signal, and the first state is the signal strength is the most When the level is superior, it indicates that the communication quality of the wireless device is the best state. The second state is that the signal strength is a good level, indicating that the communication quality of the wireless device is in a good state, the third state. When the signal strength is a normal step, it means that the current wireless setting The communication quality is an acceptable normal level. The fourth state is when the signal strength is a weak level. It indicates that the current wireless device communication quality is poor, which is slow or intermittent. The fifth state is that the signal strength is broken. When the step is continued, it indicates that the communication quality of the wireless device is currently intermittent or almost unable to receive the signal, and the signal is unacceptable.

The communication quality indicator data (R _avg ) is mainly calculated according to the following formula: Where n is the number of user devices connected to the wireless network device via the network, R _i is the signal strength indicator value of the i- th user device of the n users, and W _{i is} the i- th user device The time weight value, T _{i is} the time when the i- th user device and the wireless network device are connected through the network, and T _{t is the} sum of the time when the i- th user device and the wireless network device are connected through the network.

The system of the present invention generates corresponding image coding quantization parameters according to the current communication quality index data, and if the signal strength is the first state, the coded quantization parameter is raised to a higher resolution parameter, and in the second state, the system generates a higher resolution coding quantization parameter, in the third state, according to the coding quantization parameter of the original image coding, and in the fourth state, a lower resolution coding quantization parameter is generated, and in the fifth state, since The status transfer transmission error message cannot be accepted to the user, or the alarm may be further sent to notify the maintenance organization to perform equipment maintenance processing.

The image quality system and method according to the present invention is applied to various wireless network devices, which can instantly analyze the current air interface quality of the wireless network device, and can effectively reduce the channel frequency even under limited bandwidth resources. Wide burden and increase multimedia image transmission rate and provide action End users enjoy the best image browsing quality and service satisfaction.

1‧‧‧Wireless network equipment

2‧‧‧ data delivery module

3‧‧‧ Data Packet Analysis Module

4‧‧‧Air Intermediary Quality Analysis Module

5‧‧‧Image coding module

S301~S307‧‧‧Step procedure

1 is a system architecture diagram of a system for adapting image quality according to an empty interposer according to the present invention.

2 is a diagram showing an example of a corresponding level of communication quality indicator data according to the present invention.

3 is a flow chart of the steps of the method for adapting image quality according to an empty interfacing surface according to the present invention.

The following is a description of a preferred embodiment of the present invention with reference to the accompanying drawings. Referring to FIG. 1 , a system architecture diagram of a system for adapting image quality according to an empty interposer according to the present invention is provided. The system includes a data delivery module 2, and the data delivery module 2 receives a plurality of instant data packets, and transmits the instant data packets to a plurality of user devices connected thereto, and the wireless network device 1 further A data packet analysis module 3 is provided. The data packet analysis module 3 is configured to analyze whether each of the instant data packets passing through the data delivery module is an image processing package.

The invention further comprises an empty intermediaries quality analysis module 4, which analyzes the quality of the empty interfacing surface on the wireless network device and generates a communication quality indicator data, and the empty intermediaries quality analysis module is based on the communication quality The indicator data generates a corresponding image coding parameter, which is a parameter used by the present invention to adjust image quality according to signal quality.

An example of the communication quality indicator data corresponding to the step size is shown in Figure 2. The communication quality indicator data is based on the network connection with the wireless network device. The user device calculates that the quality of the air interface is classified into five quality levels according to the Received Signal Strength Indicator (RSSI), and the RSSI value is higher than -40 dB. Good pitch, RSSI value between -40~-55dB, common span with RSSI value between -55~-70dB, weak RSSI value between -70~-80dB and RSSI value below - 80dB intermittent quality level and other five-level distance.

The present invention further includes an image encoding module 5 for recompressing and encoding each of the instant data packets belonging to the image processing unit signal, and the image encoding module adopts a high compression ratio H.264/AVC standard as the image encoding and decoding. To enhance the compression ratio of the image signal encoding, the image signal is recompressed and encoded to generate an image transmission signal that can be processed according to the current channel signal strength of the wireless network device.

Referring to FIG. 3, the method includes the following steps: S301: The data delivery module receives a plurality of real-time data packets from the wireless network device; S302: the data analysis module determines that the flow chart is performed according to the method for adjusting the image quality according to the air interface. Whether the instant data packet of the data delivery module is an image processing package; S303: the empty mediation quality analysis module calculates a communication quality indicator data according to the empty mediation quality signal intensity indication value; S304: the empty mediation surface quality analysis module according to the The communication quality indicator data generates an image coding parameter; S305: the image coding module re-encodes and compresses each of the instant data packets belonging to the image processing package according to the image coding parameter; S306: the image coding mode The group will re-encode each compressed real-time data The packet is transmitted to the data delivery module; and S307: the data delivery module transmits each of the instant data packets to at least one user device.

The detailed description above is a detailed description of the preferred embodiment of the system and method for adapting the image quality according to the present invention, but the embodiment is not intended to limit the scope of the invention, and the technical spirit of the present invention is not deviated from the spirit of the present invention. Equivalent implementations or changes shall be included in the scope of the patent in this case.

In summary, the present invention is innovative in terms of technical ideas, and also has various functions that are not in the prior art, and has fully complied with the statutory invention patent requirements of novelty and progressiveness, and has filed a patent application according to law, and invites you to approve the invention. The patent application was inspired to invent, and it was a matter of feeling.

S301~S307‧‧‧Step procedure

Claims (6)

A system for adapting image quality according to an empty intermediation plane, comprising: a data delivery module, the data delivery module is disposed on a wireless network device, and the data delivery module receives the plurality of real-time data through the wireless network device The packet and each of the instant data packets are transmitted to at least one user device; a data packet analysis module, the data packet analysis module is coupled to the data delivery module, and the data packet analysis module analyzes the data delivery Whether the instant data packet of the module is an image processing package; an empty mediation quality analysis module, the empty mediation quality analysis module is set on the wireless network device, and the empty mediation quality analysis module analyzes the wireless network device The quality of the intermediate media and the generation of a communication quality indicator data, the air interface quality analysis module generates a corresponding image coding parameter according to the communication quality indicator data; an image coding module, the image coding module is set in the wireless network The video encoding module is configured to re-send each of the instant data packets belonging to the image processing unit signal The image encoding module receives the instant data packets analyzed by the data packet analysis module into image processing packets, and recompresses the instant data packets according to the communication quality indicator data, the image The encoding module transmits the re-compressed encoded real-time data packets to the data delivery module, and the data delivery module transmits each of the real-time data packets to each of the user devices. A system for adapting image quality according to an empty intermediation plane as described in the first aspect of the patent application, wherein the communication quality indicator data is based on a wireless network device Calculated by the user device connected to the network, the quality of the communication quality indicator data is divided into five quality levels according to the Received Signal Strength Indicator (RSSI), which are optimal, good, and Normal, weak, and broken quality grades. A system for adapting image quality according to an empty intermediation plane as described in claim 1 or 2, wherein the communication quality indicator data (R _avg ) is calculated according to the following formula Where n is the number of user devices connected to the wireless network device via the network, R _i is the signal strength indicator value of the i- th user device of the n users, and W _{i is} the i- th user device The time weight value, T _{i is} the time when the i- th user device and the wireless network device are connected through the network, and T _{t is the} sum of the time when the i- th user device and the wireless network device are connected through the network. A method for adapting image quality according to an empty intermediation method, the method comprising: setting a data receiving module on a wireless network device to receive a plurality of real-time data packets from a wireless network device; and configuring data analysis on a wireless network device The module determines whether the instant data packet of the data delivery module is an image processing packet; and the air interface quality analysis module disposed on the wireless network device is based on an empty signal strength indicator (Resived Signal Strength Indicator, RSSI) Calculating and generating a communication quality indicator data; the empty mediation quality analysis module generates the data according to the communication quality indicator data An image encoding parameter; an image encoding module disposed on the wireless network device re-sends each of the instant data packets belonging to the image processing package according to the image encoding parameter and the high compression rate image encoding standard (H.264/AVC) The image encoding module transmits the re-encoded and compressed real-time data packets to the data receiving module; and the data receiving module transmits each of the real-time data packets to at least one user device. The method for adapting image quality according to an empty intermediation plane as described in claim 4, wherein the communication quality indicator data is calculated according to a user device connected to the wireless network device via a network, and the communication quality indicator data is in the air. The quality of the interface is divided into five quality levels according to the Received Signal Strength Indicator (RSSI), which are optimal, good, normal, weak, and broken quality levels. A method for adapting image quality according to an empty intermediation plane as described in the fourth or fifth aspect of the patent application, wherein the communication quality indicator data (R _avg ) is calculated according to the following formula Where n is the number of user devices connected to the wireless network device via the network, R _i is the signal strength indicator value of the i- th user device of the n users, and W _{i is} the i- th user device The time weight value, T _{i is} the time when the i- th user device and the wireless network device are connected through the network, and T _{t is the} sum of the time when the i- th user device and the wireless network device are connected through the network.