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210results about How to "Improve viewability" patented technology

Compressive sensing-based adaptive video information hiding method

The invention discloses a compressive sensing-based adaptive video information hiding method, which is characterized by comprising the following steps of: a, framing a video file by using shot as a unit; b, taking the first frame of each shot as a key frame; c, establishing an image texture classification model to obtain a texture classification model mark of each key frame; d, determining a texture category of each key frame and determining whether the key frame is a texture region, or a smooth region or between the texture region and the smooth region; e, selecting an algorithm and determining insert depth; f, inserting secret information, i.e., inserting the secret information in a coefficient matrix; and g, synthesizing a video file. According to the video information hiding method, the secret information can be adaptively inserted under the condition that the entire video file is not required to be decompressed, so that the ornamental value of the video is not affected, and the method has the advantages of small amount of calculation, high information steganography efficiency, small influence on the video and good secret information safety. The method can be widely applied to various fields such as copyright authentication, pirate tracking and secure communication.
Owner:SHANDONG COMP SCI CENTNAT SUPERCOMP CENT IN JINAN

Intelligent balcony flower cultivation apparatus

The invention discloses an intelligent balcony flower cultivation apparatus which comprises an incubator, a controller, a wireless communication device and a control terminal. A flower pot for storing cultivated plants is arranged in the incubator. A soil temperature and humidity detection sensor, an illumination intensity detection sensor, an air index data detection sensor, a light compensation lamp, a heating device and a watering device are arranged in the incubator. The wireless communication device, the soil temperature and humidity detection sensor, the illumination intensity detection sensor, the air index data detection sensor, the light compensation lamp, the heating device and the watering device are electrically connected with the controller. The intelligent balcony flower cultivation apparatus has the advantages that the natural environment of flower growth is improved, the scientific content is high, and economic benefits are good; in the mass production process, crop growth environment is optimal, the survival rate and ornamental performance are increased, and lots of labor and materials are saved; by means of environment-friendly and durable materials, recycle is facilitated, automatic adjustment can be achieved according to specific conditions, and environmentally friendliness and conservation are achieved.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

Embedded system based display terminal and method and system for subtitle display of display terminal

The invention belongs to the display technical field, and provides an embedded system based display terminal and a method and a system for subtitle display of the display terminal. The method includes: receiving subtitle special effect display signals; subjecting prestored current to-be-displayed subtitle content to special effect processing according to preset subtitle attribute information and special effect display modes corresponding to the subtitle special effect display signals, and reading the current to-be-displayed subtitle content into display memory of the embedded system based display terminal according to processing results; and displaying the current to-be-displayed subtitle content read into the display memory on a display interface according to corresponding the special effect display modes of the preset subtitle special effect display signals. By the method for subtitle display of the embedded system based display terminal, special effect display can be realized while the current to-be-displayed subtitle content can be displayed at any position of the display interface through the preset subtitle attribute information corresponding to the subtitle special effect display signals, so that display effects are enriched, and ornamental performance is improved.
Owner:ANKE SMART CITY TECH PRC

Medium-temperature matte glaze and preparation method thereof

The invention discloses medium-temperature matte glaze. The medium-temperature matte glaze is prepared from the following components: potassium feldspar powder, quartz powder, calcite powder, calcinedtalc powder, calcined zinc oxide, calcined bone carbon powder, calcined alumina, kaolin and a colorant. A preparation method of the medium-temperature matte glaze comprises the following steps: materials are prepared in accordance with the components in parts by mass, wet ball milling is preformed, and glaze is obtained; the glaze is treated by a 120-mesh sieve after being discharged from a ballmill, glaze slurry is obtained, and water and an electrolyte are added to adjust the concentration and thixotropy of the glaze slurry respectively; a glaze body is immersed in the glaze slurry and dried and enters a roller kiln to be sintered. According to the medium-temperature matte glaze, dense pyroxene crystals are prepared from the raw materials under the condition of medium temperature to generate matt; besides, phosphorus pentoxide introduced by adding the bone carbon powder can form a silicate glass phase and a phosphate glass phase with silicon dioxide and metal oxide, the two phasesare not soluble mutually and have different dissolving capacities to the colorant, color differences are produced, and ceramic products of various colors can be obtained.
Owner:HUNAN HUALIAN CHINA IND

Marathon rebroadcasting system

The invention provides a marathon rebroadcasting system. The marathon rebroadcasting system comprises a plurality of cameras, an audio device, a global positioning system (GPS) device, a map image generation module, a synthesis module, one or more caption machines and a channel switching device, wherein the plurality of cameras are used for shooting video background images; the GPS device comprises GPS equipment used for acquiring the current route information of a marathon; the current route information comprises longitude and latitude information; the map image generation module is used for invoking map information of a map library on the basis of the longitude and latitude information to generate a map image of the current route; the synthesis module is used for synthesizing the map image and competition route information; the synthesized map image serves as the map image of the current route; the one or more caption machines comprise a caption manufacturing module used for manufacturing caption images according to the map image; and the channel switching device is used for superposing the caption images input by the caption machines and the video background images input by the plurality of cameras and then outputting the superposed images. The marathon rebroadcasting system can increase the amount of rebroadcasting information so as to meet requirements of people on the amount of marathon information.
Owner:CHINA DIGITAL VIDEO BEIJING

Ceramic water-permeable brick and preparation method thereof

The invention relates to a ceramic water-permeable brick and a preparation method thereof and belongs to the technical field of paving materials. The ceramic water-permeable brick is formed by a base body layer and a face layer, wherein the base body layer is prepared from the effective raw materials of ceramic waste, firebrick waste, feldspar and borosilicate glass; the ceramic waste and the firebrick waste are particle materials, the others are fine powder materials, the particle materials contain a coarse particle material with the particle size of 5 to 3 millimeters and a fine particle material with the particle size of 3 to 1 millimeters, and the coarse particle material is 35% to 60% of the total ingredient mass of the base body layer; the face layer is prepared from the effective raw materials of ceramic waste, corundum waste, feldspar and borosilicate glass; the ceramic waste and the corundum waste are particle materials, the others are fine powder materials, and the particle materials are fine particle materials with the particle size of 3 to 1 millimeter. The ceramic water-permeable brick has the advantages of good water-permeable performance, better wear resistance and clogging resistance and good comprehensive performance. The preparation method sequentially comprises the steps of preparing materials, mixing materials, molding, drying and sintering; the base body layer and the face layer are mixed separately; in the step of mixing materials, an organic binder and water for shaping are additionally added, and then the materials are distributed, compressed and formed. The preparation method has the advantages of being simple and reliable, being easy to implement and guaranteeing quality.
Owner:山东淄川特种耐火材料有限公司

Special organic cultivation substrate for epipremnum aureum and preparation method therefor

The invention discloses a special organic cultivation substrate for epipremnum aureum and a preparation method therefor and belongs to the technical field of soilless culture. The special organic cultivation substrate for the epipremnum aureum is prepared from the following raw materials in parts by weight: 100-150 parts of organic well-composted matrix, 40-60 parts of wood sawdust, 40-60 parts of straws, 30-50 parts of bean cakes and 1-3 parts of N, P and K ternary compounded fertilizer. According to the organic cultivation substrate, no mineral raw material difficult to degrade is added, so that no influence on environment can be caused. The organic cultivation substrate is rich in source of raw materials and low in cost, and the difficult problems that oil sludge remaining during chondroitin sulfate extraction is hard to reutilize and a large number of pineapple peels cause pollution to the environment are solved; and meanwhile, the prepared substrate is good in moisture and fertility preserving capability and air permeability and complete in nutritional component and fully meets the needs of the epipremnum aureum on cultivation and growth, and the occurrence of plant diseases and insect pests can be greatly reduced or prevented.
Owner:张建基

Automatic beverage making robot based on network and control method

The invention discloses an automatic beverage making robot based on a network and a control method. The control method comprises the steps that a stack of containers are separated through an automaticcup outlet device and conveyed to preset grabbing positions, and a manipulator grabs paper cups/plastic cups from the grabbing positions; when a self-service ordering system initially works, a beverage menu is downloaded from a cloud server, and the downloaded menu is displayed in the mode of being convenient for man-machine interaction; customers place orders through a man-machine interaction interface, the self-service ordering system generates order information according to input of the customers, and the order information is sequentially sent to a centralized control system of a corresponding shop; and the centralized control system analyzes the order information in sequence and generates control instructions according to analyzing results, the double-arm robot is controlled to grab the paper cups/plastic cups according to the preset sequence, take materials from a quantitative discharging cabinet and conduct stirring, order beverages are obtained and put at preset positions of anautomatic delivery device, and the to-be-delivered cup positions are rotated to the cup taking positions for the customers through the automatic delivery device.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS
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