Image coding method and device
An image coding and coding technology, applied in the field of image coding, can solve the problems of waste of coding resources, being in an idle state, waste, etc., and achieve the effects of fast image response speed, utilization of idle bandwidth resources, and quality improvement.
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Embodiment 1
[0027] see figure 1 , this embodiment provides a method for real-time image coding, including:
[0028] 101: Collect image information of changes in the current screen image, perform the first encoding according to the collected image information of changes in the current screen image, and send the encoded data to the client;
[0029] 102: Determine whether the current screen image changes every predetermined time. If the current screen image changes, return to step 101. If the current screen image does not change and the re-encoding condition is met, then execute step 103;
[0030] 103: Re-encode according to the last encoded data, and send the encoded data to the client, and the process ends.
[0031] The method provided in this embodiment collects the image information that the current screen image changes when the current screen image changes, performs the first encoding according to the collected image information, and sends the encoded data to the client to ensure The ...
Embodiment 2
[0033] This embodiment provides an image encoding method. For ease of description, this embodiment takes tight encoding in a VNC (Virtual Network Computing, virtual network computing) system as an example to describe the method provided in this embodiment in detail. see figure 2 , the process flow of the image encoding method provided in this embodiment is as follows:
[0034] 201: Establish a connection with the client and negotiate the initial compression level;
[0035] Among them, the compression level is a kind of encoding parameter used in the image encoding process, and the encoding parameter has its specific meaning according to different encoding algorithms. This embodiment does not limit the specific encoding parameter, and only the encoding parameter is used here. Take the compression level as an example; for coding algorithms such as H.263 and H.264, the coding parameter refers to the quantization step size. Generally speaking, the larger the quantization step s...
Embodiment 3
[0057] see image 3 , the present embodiment provides an image encoding device, the device comprising:
[0058] A collection module 301, configured to collect image information of changes in the current screen image;
[0059] The first coding module 302 is used to perform the first coding according to the image information of the current screen image collected by the collection module 301 that changes;
[0060] The first sending module 303 is configured to send the data encoded by the first encoding module 302 to the client;
[0061] Judging module 304, configured to judge whether the current screen image changes every predetermined time;
[0062] The second encoding module 305 is used for re-encoding according to the last encoded data when the judging module 304 judges that the current screen image has not changed and the re-encoding condition is satisfied;
[0063] The second sending module 306 is configured to send the data encoded by the second encoding module 305 to th...
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