CN-122027759-A - Image transmission method, electronic equipment and image transmission system
Abstract
The application provides an image transmission method, electronic equipment and an image transmission system. The image transmission method comprises the steps of obtaining a first relation according to channel quality parameters between a sending device and a receiving device, content characteristics of an image to be transmitted and a preset quality prediction model. And matching the preset target image quality with the predicted image quality in the first relation, and obtaining the target MCS according to the matching result and the first relation. And modulating and encoding the image to be transmitted according to the target MCS, and then transmitting the image to the receiving equipment. Therefore, the image transmission method, the electronic equipment and the image transmission system provided by the application can determine the coding and modulation strategy of the image based on the quality prediction model. The image quality of the actual image received by the receiving equipment can be better optimized, and meanwhile, the balanced optimization of the image transmission efficiency and the reliability is realized.
Inventors
- SANG WENBO
Assignees
- 深圳市博坦智能有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20260416
Claims (9)
- 1. An image transmission method, comprising: When channel quality parameters and/or Modulation and Coding Strategies (MCS) between the sending device and the receiving device are different, respectively sending sample images with different content characteristics to the receiving device; receiving sample image quality fed back by the receiving device, and taking the sample image quality as predicted image quality; According to the content characteristics, the channel quality parameters and the MCS corresponding to the predicted image quality, a preset quality prediction model is constructed; Obtaining a first relation according to channel quality parameters between a sending device and a receiving device, content characteristics of an image to be transmitted and a preset quality prediction model, wherein the quality prediction model comprises correlation relations among the channel quality parameters between the sending device and the receiving device, the content characteristics of the image to be transmitted, modulation and coding strategies MCS of the image to be transmitted and predicted image quality; matching the preset target image quality with the predicted image quality in the first relation, and obtaining a target MCS according to a matching result and the first relation; and modulating and encoding the image to be transmitted according to the target MCS, and then transmitting the image to the receiving equipment.
- 2. The image transmission method according to claim 1, wherein matching a preset target image quality with the predicted image quality in the first relationship, and obtaining a target MCS according to a matching result and the first relationship, comprises: taking all the predicted image quality which is greater than or equal to the target image quality in the first relation as the matching result; obtaining all MCSs corresponding to the matching result in the first relation according to the matching result and the first relation; And taking the highest order of all MCSs as the target MCS.
- 3. The image transmission method according to claim 1, wherein the obtaining the first relationship according to a channel quality parameter between a transmitting device and a receiving device, a content feature of an image to be transmitted, and a preset quality prediction model includes: And receiving the channel quality parameters fed back by the receiving equipment, and obtaining the first relation corresponding to the channel quality parameters in the quality prediction model according to the channel quality parameters and the quality prediction model.
- 4. The image transmission method according to claim 3, wherein the method further comprises: And receiving the real-time image quality fed back by the receiving equipment, and correcting the preset image quality in the first relation according to the real-time image quality so as to train the quality prediction model.
- 5. The image transmission method according to claim 1, wherein the real-time image quality is fed back to the transmitting apparatus by the receiving apparatus when a deviation value between the real-time image quality and the predicted image quality of the image it receives exceeds a preset threshold.
- 6. An electronic device, the electronic device comprising: the computing module is used for respectively sending sample images with different content characteristics to the receiving equipment when channel quality parameters between the sending equipment and the receiving equipment are different and/or Modulation and Coding Strategies (MCS), receiving the sample image quality fed back by the receiving equipment and taking the sample image quality as predicted image quality, constructing a preset quality prediction model according to the content characteristics corresponding to the predicted image quality, the channel quality parameters and the MCS, and obtaining a first relation according to the channel quality parameters between the sending equipment and the receiving equipment, the content characteristics of the image to be transmitted and the preset quality prediction model, wherein the quality prediction model comprises the correlation relation among the channel quality parameters between the sending equipment and the receiving equipment, the content characteristics of the image to be transmitted, the Modulation and Coding Strategies (MCS) of the image to be transmitted and the predicted image quality, and the first relation is the relation between the Modulation and Coding Strategies (MCS) of the image to be transmitted and the predicted image quality; The calculation module is further configured to match a preset target image quality with the predicted image quality in the first relationship, obtain a target MCS according to a matching result and the first relationship, and modulate and encode an image to be transmitted according to the target MCS; And the transmission module is used for transmitting the image to be transmitted to the receiving equipment.
- 7. The electronic device of claim 6, wherein the computing module is specifically configured to: Taking all the predicted image quality greater than the target image quality in the first relation as the matching result; obtaining all MCSs corresponding to the matching result in the first relation according to the matching result and the first relation; And taking the highest order of all MCSs as the target MCS.
- 8. The electronic device of claim 6, wherein the computing module is specifically configured to: And receiving the channel quality parameters fed back by the receiving equipment, and obtaining the first relation corresponding to the channel quality parameters in the quality prediction model according to the channel quality parameters and the quality prediction model.
- 9. An image transmission system, comprising a transmitting device and a receiving device, the transmitting device transmitting an image to the receiving device, the transmitting device being the electronic device according to any one of claims 6-8.
Description
Image transmission method, electronic equipment and image transmission system Technical Field The present application relates to the field of wireless communications, and in particular, to an image transmission method, an electronic device, and an image transmission system. Background In the image transmission system, an image transmission device modulates and encodes an image to be transmitted and then transmits the modulated and encoded image to an image receiving device. Wherein the transmitting device determines a modulation and coding strategy of the image based on the quality of the wireless channel between the transmitting device and the receiving device to optimize the image transmission process. However, the modulation and coding strategy of the image has a low correlation with the content characteristics of the image, so that the image quality of the actual image received by the receiving device may be low. Disclosure of Invention In view of the above, the present application provides an image transmission method, an electronic device, and an image transmission system. In a first aspect, the application provides an image transmission method, which comprises the steps of obtaining a first relation according to channel quality parameters between a sending device and a receiving device, content characteristics of an image to be transmitted and a preset quality prediction model, wherein the first relation is a relation between modulation and coding strategy MCS of the image to be transmitted and predicted image quality. And matching the preset target image quality with the predicted image quality in the first relation, and obtaining the target MCS according to the matching result and the first relation. And modulating and encoding the image to be transmitted according to the target MCS, and then transmitting the image to the receiving equipment. In one implementation, matching the preset target image quality with the predicted image quality in the first relation, and obtaining the target MCS according to the matching result and the first relation, wherein the method comprises the step of using all the predicted image quality which is greater than or equal to the target image quality in the first relation as the matching result. And obtaining all MCSs corresponding to the matching result in the first relation according to the matching result and the first relation. The highest order of all MCSs is used as the target MCS. In one implementation, the first relation is obtained according to channel quality parameters between the sending device and the receiving device, content characteristics of images to be transmitted and a preset quality prediction model, and the first relation corresponding to the channel quality parameters in the quality prediction model is obtained according to the channel quality parameters and the quality prediction model and the channel quality parameters fed back by the receiving device. In one implementation, the method further includes receiving real-time image quality fed back by the receiving device and correcting the preset image quality in the first relationship according to the real-time image quality to train the quality prediction model. In one implementation, before the first relationship is obtained, the method further includes sending sample images with different content characteristics to the receiving device when channel quality parameters and/or MCSs between the sending device and the receiving device are different, respectively. And receiving the sample image quality fed back by the receiving device, and taking the sample image quality as the predicted image quality. And constructing a quality prediction model according to the content characteristics, the channel quality parameters and the MCS corresponding to the predicted image quality. In one implementation, the real-time image quality is fed back to the transmitting device by the receiving device when the deviation value between the real-time image quality of the image it receives and the predicted image quality exceeds a preset threshold. In a second aspect, the application provides an electronic device, which comprises a calculation module, wherein the calculation module is used for obtaining a first relation according to channel quality parameters between a sending device and a receiving device, content characteristics of an image to be transmitted and a preset quality prediction model, and the first relation is a relation between modulation and coding strategy MCS of the image to be transmitted and predicted image quality. The computing module is also used for matching the preset target image quality with the predicted image quality in the first relation, obtaining a target MCS according to the matching result and the first relation, and modulating and encoding the image to be transmitted according to the target MCS. And the transmission module is used for transmitting the image to be transmitted to the re