Huawei Device Co., Ltd.

Huawei Technologies Co., Limited

Tencent Technology (shenzhen) Company Limited

Pulin Wang

Kai Feng Li

Xiaocui Ji

Yanbo Long

Wuzhou Zhan

Dongqi Wang

Xianyi Chen

Xiaofei Wang

Xiaoxia Wei

Kai Li

Yongning Qin

The disclosure discloses a video enhancement method and device, and belongs to the field of image processing. The method includes that: each frame in a video is sequentially acquired; and for each current frame, attribute information reflecting a moving state or luminance is determined, a preset mapping relationship is searched to obtain a control parameter corresponding to the attribute information, and video enhancement operation is executed on the current frame by using the control parameter. The device includes: an acquisition module and an enhancement module. By the disclosure, the problem of processing inflexibility caused by execution of the same enhancement over each frame in the video is solved, each frame in the video may be differentially enhanced, frame-based video enhancement is implemented, a video enhancement effect is effectively improved, and quality of the video is improved.

Video enhancement method and device

A video processing method and system and a related device are disclosed, an encoder sends a method for compressing a pixel value of a video image to a decoder, the method includes a mapping between a pixel value of the video image before compression and a pixel value of the video image after the compression; compressing, by the encoder according to the method for compressing a pixel value, the pixel value of the video image to obtain a video image to be encoded; encoding, by the encoder, the video image to be encoded to obtain a video image encoded stream; and sending, by the encoder, the video image encoded stream to the decoder, the decoder receives and decodes the video image encoded stream to obtain a decoded video image, and decompresses a pixel value of the decoded video image to restore the pixel value of the video image before compression.

Video processing method and system and related device

A method and an apparatus for adjusting site bandwidth, a conferencing terminal, and a media control server are disclosed. The method includes: obtaining the number of streams at a multi-screen site, and assigning bandwidth to each stream according to preset total bandwidth of multiple streams, maximum bandwidth of a single stream, and a preset bandwidth assignment method; and obtaining a conference joining state of each stream, and adjusting bandwidth of each stream according to the conference joining state of each stream. The apparatus includes an assigning module, an obtaining module, and a first adjusting module. Embodiments of the present invention implement dynamic adjustment of bandwidth resources of each stream according to the actual condition of a conference, so that bandwidth resources of each site are fully utilized.

Method and apparatus for adjusting site bandwidth, conferencing terminal, and media control server

The embodiments of the present invention provide a method and device relating to multi-picture video image processing, which solve the problem in related art of the deterioration of the vision experience of the conventioneer as the characteristics of each sub-picture can not be satisfied simultaneously. Said method includes: receiving the data code stream of the sub-picture video images from several channels; equalizing the effect of said sub-picture video images with control parameters respectively according to the image characteristics of the sub-picture video images; synthesizing said equalized sub-picture video images to a multi-picture video image. This invention can uniformly adjust each sub-picture video image to the effect with the same image characteristics, which enables the sub-picture video images exhibit the same picture characteristic when be displayed. The display of the multi-picture video image constituted by sub-picture video images achieves whole style harmony and the vision experience of the conventioneer is improved.

Method and device for processing multi-picture video image

A conference terminal, a conference server, a conference system, and a data processing method are provided. The conference terminal includes: a mark obtaining module, configured to obtain a mark data signal; an image obtaining module, configured to obtain an image data signal; a superimposing module, configured to superimpose the mark data signal onto the image data signal to generate a hybrid image data signal; and an outputting module, configured to output the hybrid image data signal. The present invention improves the interactivity between videoconference users and the discussion efficiency.

Conference terminal, conference server, conference system and data processing method

Embodiments of the present invention provide a conference recording method and a conference system. The conference recording method includes: extracting, based on a configuration file, key information of each site at each time point of multiple time points in a conference timeline, where the conference timeline is associated with a conference time, and the configuration file is used to define the key information of the conference and a format of a conference abstract; combining the key information of each site into a key index point, where the key index point is used as an index point for interacting with or editing a conference abstract; and integrating multiple key index points corresponding to multiple time points to form the conference abstract.

Conference recording method and conference system

A method for displaying a video image includes acquiring foreground information about a video image to be output, where the foreground information includes information that defines a size of a foreground picture. The method further includes determining an adjustment coefficient for the foreground picture according to the size of the foreground picture, a size and a resolution of a display device, and a preset adjustment rule. The preset adjustment rule indicates that the product of the adjustment coefficient for the foreground picture and a zooming multiple for display on the display device is equal to a fixed constant. The method also includes adjusting the video image to be output according to the adjustment coefficient for the foreground picture, and outputting, to the display device for display, the video image after adjustment.

Method and apparatus for displaying video image

Forward Error Correction (FEC) coding is performed on data packets to generate verifying packets; corresponding information independent of a packet sequence number (SN) and denoting a corresponding relation between the data packets and the verifying packets is carried in the data packets, or in the verifying packets, or in the data packets and the verifying packets; the data packets and the verifying packets are transmitted by using a protocol based on a User Datagram Protocol (UDP). A method for receiving data packets and devices for transmitting and receiving data packets are further described. Thus, a receiving terminal correctly can recover lost data packets after a relay device modifies the packet SN.

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Shenzhen, China

Pulin Wang