41results about How to "Increase the amount of effective information" patented technology

The invention provides a method and a device for displaying dynamic information of good friends. The method includes steps of calculating weight of information, and sorting the information so as to display the information in order according to the weight, wherein the weight calculation at least depends on intimacy between visitors and information publisher. Preferably, the weight calculation also depends on at least one of interaction to the information by the visitors, interaction to the information by good friends of the visitors, the hobbies of the visitors and the information viewed number. By the aid of the method and the device for displaying dynamic information of good friends, time for searching the information of users is saved, and effective displayed information quantity is improved.

The invention discloses a wireless capsule endoscope with an annular lens, which comprises a capsule casing (1), a control device (2), a shooting device (3), a light source (4), a wireless receiving/transmitting device (5) for the wireless transmission of a shot image and an energy source supplying device (6) for respectively providing an energy source to the control device (2), the shooting device (3), the light source (4) and the wireless receiving/transmitting device (5), wherein the control device (2), the shooting device (3), the light source (4), the wireless receiving/transmitting device (5) and the energy source supplying device (6) are all sealed in the capsule casing (1). The wireless capsule endoscope with the annular lens is characterized in that a transparent area (11) for the light source (4) to project out light rays is arranged on the capsule casing (1), the shooting device (3) comprises an image sensor (31), a reflecting mirror (32) is arranged between the image sensor (31) and the transparent area (11), the outer side of the reflecting mirror (32) is sleeved with an annular lens (33), and light rays at the outer side of the transparent area (11) are reflected onto the image sensor (31) for imaging by the annular lens (33). According to the endoscope, the image sensor is effectively utilized by combining the annular lens and the reflecting mirror. A photo shot by utilizing the system disclosed by the invention does not have a central black area, and the effective information quantity of a picture is greatly enhanced.

The invention relates to a method for displaying a preview picture at a live broadcasting entrance, belonging to the technical field of computer display. The method comprises the following steps of: when a live broadcasting entrance page is displayed, for a target live broadcasting entrance in the live broadcasting entrance page, according to an address of the target live broadcasting entrance, obtaining a video snapshot of a live broadcasting video corresponding to the target live broadcasting entrance according to a pre-determined time strategy, and taking the video snapshot as the preview picture at the target live broadcasting entrance to display, wherein the preview picture at the live broadcasting entrance can be continuously updated into the snapshot of the corresponding live broadcasting video, so that the preview picture at the live broadcasting entrance can directly indicate the latest content of the live broadcasting video; and thus, the effective information amount displayed in the preview picture at the live broadcasting entrance can be increased.

The invention discloses an image-text cross-modal feature unentanglement method based on depth mutual information constraint. The method comprises the following steps: reading text and image files ina specified data mode; secondly, respectively extracting original features of the text and the image data by utilizing ResNet and BiGRU; then, under the effect of depth mutual information constraint,mapping the original features to a mixed feature space; finally, using the generative adversarial network to reconstruct the data to different degrees. By controlling the reconstruction process, the unentanglement of the cross-modal features is realized, so that the modal common information and the modal specific information are mapped to different feature spaces respectively. According to the method, the unentanglement features can be learned on large-scale image-text data, and only the features are unentangled, so that the retrieval accuracy is improved, and the depth features have better interpretability.

The embodiment of the application provides a screen recording method and device and a terminal. The method includes: receiving a triggering instruction used for starting a screen recording function; carrying out screen recording on a recorded area in a screen according to the triggering instruction; if an operation event of physical hardware corresponding to the terminal is detected in a screen recording process, recording the operation event, wherein the physical hardware of the terminal includes physical keys and/or sensors; and generating a screen recording file recording information including operation events. In the embodiment of the application, interface jumping processes of the terminal are recorded in the screen recording process, in addition, the operation events corresponding tothe physical keys on the terminal and the sensors in the terminal are also recorded, thus the screen recording file is enabled to have capacity of replaying operations executed by a user in the screen recording process on the terminal, the physical keys on the terminal and parts related to the sensors in the terminal, and thus a valid-information amount of the screen recording file is increased.

The invention provides a method for improving the vibration monitoring precision of a rotor aeroengine, and the method employs a calculated sampling frequency for the continuous collection of a signal, wherein the collection length is a calculated period number, thereby achieving a purpose of the full-period collection of two or three fundamental frequencies, so as to guarantee the precision of the subsequent data processing. The method employs a dynamic optimization sampling rate and collection point number method, tries to avoid the frequency spectrum leakage of the fundamental frequencies of all rotors at the same time, and improves the amplitude testing precision. Therefore, the method can increase the effective information amount in a vibration signal, and provides technological basis for reducing the number of airborne sensors. The method can remarkably reduce collection precision of the fundamental frequencies of all rotors, guarantees the normal operation of an engine, provides the technological basis for the fault diagnosis of the engine and the onsite dynamic balance, and provides technological support for the health management of the engine.

The embodiment of the invention discloses an image picture acquisition method and apparatus, and a computer readable storage medium for improving the screenshot effect and the screenshot quality of image pictures and improving the effective information volume contained in cover contents. The image picture acquisition method comprises the following steps: acquiring an image data stream, wherein theimage data stream comprises multiple frames of image pictures; intercepting a first image picture from the image data stream, wherein the first image picture belongs to the multiple frames of image pictures; recognizing a first user interface UI element from the first image picture, wherein the first UI element is a UI element in the first image picture that is located on an interface edge and inwhich the element location remains unchanged within a preset period of time; cutting off the interface edge area where the first UI element is located from the first image picture to obtain a secondimage picture, wherein the second image picture is a remaining image area after the interface edge area is cut off from the first image picture.

The invention relates to a spaceflight optical remote sensing high-density quantization information processing method, and belongs to the technology of spaceflight remote sensing. The ground resolution of a conventional spatial optical remote sensor is difficult to improve at an on-orbit imaging stage because of the limit of the size of a detector, and a large amount of noise is generated on a focal plane because of the degeneration of the detector, thereby causing spot noise in an obtained image. An ideal effect is difficult to achieve through a conventional digital image processing method. Starting from the quantum state of information, the method gives consideration to the superposition state information, achieves the de-noising through the filtering in a quantum space, synthesizes a plurality of pieces of quantum information, and finally improves the information amount obtained by a system. The method is suitable for a satellite degeneration image or an image which is difficult to process on the ground, and hopefully, the method can be applied to the satellite-borne processing after the calculation complexity is reduced.

The invention discloses an indentation experimental device and an indentation experimental method based on the measurement of load and a deformation field. The device comprises a load detection module, a deformation field detection module and a post-processing system, wherein the load detection module is used for detecting load information applied to a test material by indentation; the deformationfield detection module is used for detecting deformation field information of the test material when the indentation is applied to the test material; the post-processing system is used for acquiringmechanical parameters of the test material according to the deformation field information and the load information, thus obtaining an analysis result of an indentation experiment. The device has the advantages that effective information amount obtained by the indentation experiment can be improved, further the application range of an indentation method can be expanded and the measurement accuracyis improved.

The invention provides a topic sending method and device for a network community, a topic list sorting method and device, computer equipment and a storage medium. The topic sending method for the network community comprises: receiving a topic loading request, and acquiring a user attribute corresponding to the topic loading request; obtaining topic attributes and quality scores of all topics of the network community; based on the user attribute and the topic attribute, obtaining N types of recommended topics, wherein the N is a positive integer larger than 1; and sending the preset number of topics with the highest quality score in the various recommended topics to the requester terminal. By adopting the topic sending method of the network community, comprehensive topics with high pertinence and high quality are sent to the user, and effective information amount is increased for the user.

The embodiment of the invention discloses a vision-based vehicle positioning method and device and a vehicle-mounted terminal. The method comprises the following steps: acquiring a road image acquiredby camera equipment; determining an initial positioning pose corresponding to the road image according to the data acquired by the motion detection equipment; determining a target map point corresponding to the road image from a preset map according to the initial positioning pose; extracting an edge feature map of the road image according to preset edge intensity; determining a mapping difference between the target map point and a point in the edge feature map according to the initial positioning pose, and determining a vehicle positioning pose according to the projection difference, whereinthe initial positioning pose is a pose in a world coordinate system where a preset map is located, and each map point in the preset map is obtained by performing three-dimensional reconstruction andselection on points in the edge feature map of the sample road image in advance. By applying the scheme provided by the embodiment of the invention, the effectiveness of positioning the vehicle basedon vision can be improved.

The embodiment of the invention relates to the technical field of video image information processing, in particular to an information processing method, a housekeeper server and a cloud server, whichare used for effectively improving the effective information amount of video frame data, providing effective redundancy screening for video data processing, reducing the cloud load and improving the information processing efficiency in a data link. The method comprises the following steps: acquiring a video data stream shot by the camera; extracting image key information of the video data stream;inserting the image key information into the video data stream; and sending the video data stream inserted with the image key information to the cloud server to enable the cloud server to extract theimage key information in the video data stream, and comparing the image key information with target data of a database to obtain a comparison result.

The invention discloses a THz microstructure circular dichroism sensing system for living cells in a liquid environment. A reflection type structure can effectively weaken the absorption loss of water to THz waves, and the purpose of improving the signal-to-noise ratio of the system is achieved; a THz wave plate is added at an incident end, so that an incident wave is changed into circularly polarized light near 0.8 THz frequency, and chiral sensing detection is carried out by generating a THz chiral spectrum with a high Q value; a THz polaroid is added behind a reflection system, complete polarization state information of emergent waves is detected by rotating the polaroid, and a circular dichroism spectrum is obtained; besides, a silicon dielectric grating is used as a sensor, strong local resonance generated by the silicon dielectric grating can enhance the interaction between THz waves and a sample, the dielectric grating microstructure also has the effects of increasing the contact area with a measured object and forming a microfluid channel, so that the optical response of the sample is enhanced, and the sensing sensitivity is improved. Experimental results show that the sensing sensitivity to resonance intensity change and frequency movement can reach the magnitude order of 3.4 dB*mL/10 <6> cells and the magnitude order of 5.2 GHz*mL/10 <6> cells respectively.

The invention provides a video and audio processing method in network live broadcast, computer equipment and a medium. The method comprises the following steps: receiving a video message and an audio message generated in a live broadcast process of an anchor terminal; identifying the audio message as subtitles; and packaging and sending the subtitles, the video message and the audio message to a user terminal for playing. According to the embodiment of the invention, the method improves the understanding of a user for the live broadcast content, and enables a hearing-impaired user to understand the live broadcast content under the condition that the hearing-impaired user cannot hear the live broadcast voice.

The invention relates to an online visual internal detection device and method for a gas pipeline. The online visual internal detection device comprises a shell composed of a side front shell, a side rear shell and a side shell, the side front shell is arranged at the front part of the side shell, and the side rear shell is arranged at the rear part of the side shell; a head high-voltage-resistant integrated module is arranged at the end part of the side front shell, and a tail high-voltage-resistant integrated module is arranged at the end part of the side rear shell; four supporting legs are arranged in the middle of the side shell in the circumferential direction at intervals, and an auxiliary odometer wheel is arranged at the end of each supporting leg; and a plurality of side front high-voltage-resistant integrated modules are uniformly distributed in the circumferential direction of the front end of the side shell, and a plurality of side rear high-voltage-resistant integrated modules are uniformly distributed in the circumferential direction of the rear end of the side shell. The device is connected to a conventional in-pipeline detector or a geometric detector, the detection result of the conventional in-pipeline detector or the geometric detector can be completely and visually reflected, and the effective information amount and functions of the detection of the conventional in-pipeline detector or the geometric detector are increased.

The invention provides an eccentric ring type horizontal directional coring drilling tool direction control device. The eccentric ring type horizontal directional coring drilling tool direction control device comprises a rock core outer pipe and a rock core inner pipe, the rock core inner pipe is arranged in the rock core outer pipe, an eccentric mechanism is arranged on the outer wall of the rockcore outer pipe, and the eccentric mechanism comprises an inner eccentric ring, an outer eccentric ring and a control motor. The invention further provides an eccentric ring type horizontal directional coring drilling tool provided with the direction control device. The eccentric ring type horizontal directional coring drilling tool comprises a shell, a shell clamping and fixing device, an outerpipe assembly and an inner pipe assembly, wherein the outer pipe assembly and the inner pipe assembly are arranged in the shell, and the inner pipe assembly is sequentially provided with a rope fishing device, an elastic clamping mechanism, a single-action mechanism, a directional measuring device and the core inner pipe from left to right. The direction control device provided by the invention can realize guide control on the coring drilling tool, so that the axial trace of the coring drilling tool is accurately controlled; and the coring drilling tool provided by the invention can be combined with a horizontal directional drilling machine to carry out continuous coring on various deflecting sections and horizontal sections.

The invention discloses a method for identity authentication of short message password protection matrix sent by a short message platform. The validity of a short message is distinguished by a server code and a short message identifier in the short message and cards can be automatically changed by the assistance of random coordinate sequence strings and position recording marks. High cost and difficult promotion of the existing password protection card mode adopted by internet companies and the limitation of short message authentication by telecom operators can be overcome. Compared with the password protection card authentication mode, the method is safer and more reliable in theory.