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1. CN111726688 - Screen projection picture self-adaption method and device in network teaching

Office
China
Application Number 202010628635.1
Application Date 02.07.2020
Publication Number 111726688
Publication Date 29.09.2020
Publication Kind A
IPC
H04N 21/4402
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to MPEG-4 scene graphs
4402involving reformatting operations of video signals for household redistribution, storage or real-time display
H04N 21/431
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand
40Client devices specifically adapted for the reception of, or interaction with, content, e.g. STB ; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronizing decoder's clock; Client middleware
431Generation of visual interfaces; Content or additional data rendering
G09B 5/02
GPHYSICS
09EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
5Electrically-operated educational appliances
02with visual presentation of the material to be studied, e.g. using film strip
CPC
H04N 21/4402
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
4402involving reformatting operations of video signals for household redistribution, storage or real-time display
H04N 21/440263
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
4402involving reformatting operations of video signals for household redistribution, storage or real-time display
440263by altering the spatial resolution, e.g. for displaying on a connected PDA
H04N 21/4312
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
21Selective content distribution, e.g. interactive television or video on demand [VOD]
40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
431Generation of visual interfaces ; for content selection or interaction; Content or additional data rendering
4312involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
G09B 5/02
GPHYSICS
09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
5Electrically-operated educational appliances
02with visual presentation of the material to be studied, e.g. using film strip
Applicants SHENZHEN EAGLESOUL TECHNOLOGIES CO., LTD.
深圳市鹰硕技术有限公司
Inventors CHEN YINGZHU
陈滢朱
LIU SHANGUO
刘善果
LIU SHENGQIANG
刘胜强
Agents 深圳余梅专利代理事务所(特殊普通合伙) 44519
Title
(EN) Screen projection picture self-adaption method and device in network teaching
(ZH) 网络教学中投屏画面自适应的方法以及装置
Abstract
(EN) The invention relates to a screen projection picture self-adaption method and device in network teaching, electronic equipment and a storage medium. The method comprises the steps of: detecting and comparing the size of a network teaching screen projection source video with the display size of playing equipment, and generating a first judgment result; if the first preset condition is met, detecting an actual playing area of the network teaching screen projection source video picture according to a preset detection method, and generating a second judgment result; if the second preset conditionis met; and if yes, collecting the size of the actual playing area of the network teaching screen projection source video picture, and expanding the actual playing area of the network teaching screenprojection source video picture to the display size of playing equipment in an equal proportion, so as to adaptively adjust the display size of the playing equipment for playing according to the actual playing area of the network teaching screen projection source video picture. According to the invention, self-adaptive playing equipment is realized through detection of the screen projection picture in network teaching, the problem that the display content is too small when multiple pictures are used indiscriminately is solved, and the user experience is improved.
(ZH) 本公开是关于一种网络教学中投屏画面自适应的方法、装置、电子设备以及存储介质。其中,该方法包括:检测网络教学投屏源视频尺寸,并与播放设备显示尺寸对比,生成第一判断结果;若其满足第一预设条件,则根据预设检测方法检测网络教学投屏源视频画面实际播放区域,生成第二判断结果;若其满足第二预设条件,则采集网络教学投屏源视频画面实际播放区域的尺寸,并将所述网络教学投屏源视频画面实际播放区域等比例扩展至播放设备显示尺寸,以根据所述网络教学投屏源视频画面实际播放区域自适应调整播放设备显示尺寸进行播放。本公开通过网络教学中投屏画面的检测实现自适应播放设备,解决了多重画面套用时显示内容过小的问题,提高了用户体验。
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