54results about How to "Reduce storage footprint" patented technology

The invention discloses filling paste prepared from salt deposit exploitation tail salt. The filling paste is characterized in that: tail salt prepared by performing ore dressing processing on sylvite or carnallite ore is taken as a filling substrate; the filling substrate mainly comprises NaCl and MgCl2, and hemihydrate gypsum CaSO4 1 / 2H2O is taken as a cementing material; NaCl serving as an aggregate for solidifying the filling substrate is added as required, and the concentration of a filling material is adjusted by controlling the adding amount of NaCl; and paste of which the mass concentration is 81-88 percent is formed by mixing and stirring the filling substrate with the cementing material. The invention further discloses a filling method for using the filling paste. High-concentration paste is prepared by using the tail salt and the cementing material, the paste filling material is solidified through a physical-chemical reaction after being pumped to an underground worked out section, and a filling body with certain strength can be formed without dehydration in a stope. Softening damage to ore columns and wall rock caused by water contained in filling slurry is avoided, and the ecological environments on the ground surface and the periphery of a mining area are protected effectively.

The invention discloses an alkali-activated high-water-content mine filling material based on synergism of multiple solid wastes and a preparation method thereof. The high-performance alkali-activated high-water-content mine filling material is prepared by fully utilizing coal gangue, fly ash, desulfurized gypsum, coal gasification slag, carbide slag and other coal-based solid wastes generated by coal mining and power generation and silicon-calcium slag generated by a fly ash alkali method aluminum extraction technology independently developed in recent years in China as main raw materials and matching with a certain amount of alkali activator. The processing process and the raw material ratio can be adjusted according to the transportation distance, the transportation mode and the pumping process, the characteristics of the solid wastes are completely performed, the synergistic enhancement effect is achieved, the utilization problem of the solid wastes is solved, and the alkali-activated high-water-content mine filling material prepared through the synergy of the multiple solid wastes has characteristics of good fluidity, high strength and low cost, and has wide application prospects. And large-scale popularization and application are facilitated.

The invention discloses a method and system for generating multi-track multi-subtitle on-demand contents by transcoding media files. The method is used for transcoding of videos, audios and subtitlesin a transcoding system, and according to the method, video streams, audio streams and subtitle streams can be separately generated by encoding the videos, the audios and the subtitles respectively. The system can return the corresponding video streams, audio streams and subtitle streams to users according to the specific requirements of the users. Compared with the prior art, transferred files ofthe technical scheme of the invention can support the users to dynamically select the audios and the subtitles, the bandwidth occupancy of original multi-channel audios and subtitles can be reduced,and the storage space occupied by the media files can be reduced; and meanwhile, the flexibility of the transcoding system can be improved, multi-language audios and subtitles supported by the media files can be dynamically added, and repeated transcoding of the videos can be avoided.

This invention discloses a video recording method, device, and a terminal. The method comprises the following steps: before recording the video, generating a data cache queue; and, after recording the video to acquire video recording data, storing the acquired data into the data cache queue. The following storing principle is adopted during the storing process: when the data cache queue is full, deleting the video recording data firstly stored in the current data cache queue, and storing the newly acquired video recording data in sequence; and after receiving a recording stop instruction of a user to stop recording, extracting the video recording data from the data cache queue to generate a video file. The method provided by this invention has the following beneficial effects: the acquired video file only contains the video data during the recent user interesting period before recording is finished; the storage space is greatly reduced; the resource utilization rate is improved; the intelligence of the video recording function is improved; and, the satisfaction degree of the user experience is further improved.

The invention discloses a power generation system and method by mixing fuel gas generated by molded biomass fuel burning with pulverized coal. Burning molded biomass fuel for a circulating fluidized bed is adopted, biomass energy is converted into high-temperature biomass gas, after high-temperature dust removal and heat exchange and cooling, the biomass gas is sent into a gas burner arranged on a pulverized coal boiler through a booster fan and has mixed combustion with the high-temperature pulverized coal in the boiler through the gas burner, so as to improve the utilization efficiency of the biomass energy and utilize an efficient coal-fired power generation unit to conduct combined power generation by the biomass and the fire coal. According to the system, a biomass gas energy on-line measuring device is arranged, so as to realize real-time effective online biomass gas heat energy detection. According to the power generation system and method, the problems that a biomass power plant is difficult in storage, large in land occupation and low in burning power generation efficiency are better solved, the system takes full use of the existing coal-fired power generation unit device to efficiently conduct power generation by molded biomass fuel, meanwhile the fire coal consumption of the existing coal-fired power generation unit is also reduced, and the low-load stable burning property, the low-load capacity and the low-load boiler efficiency of the existing coal-fired unit are improved.

The invention discloses a video monitoring storage system applying cloud storage. The system comprises a camera system, a cloud storage system and a user operating system, wherein the cloud storage system comprises an equipment access module, an equipment management module, a video receiving module, a video storage module, a video conversion module, a video editing module and a video management module, the video editing module reads a video, deletes a segment in which the same static picture is continuously maintained for a long time in the video and reserves a starting frame and a terminationframe of the static picture segment, and the video conversion module performs format conversion and resolution conversion on the video to reduce the occupied memory of the video and then stores the video. According to the video monitoring storage system applying cloud storage, repeated videos of the same picture are clipped and deleted, the occupied space of the videos is reduced, the utilizationrate of the cloud storage space is improved, and the cost is reduced.

The invention relates to a dry-type cement filling method realized by the aid of extracted tail salt of a salt deposit. The dry-type cement filling method is characterized in that a filling material in the method is tail salt remained after beneficiation processing of sylvine or carnallite ores; the main ingredients of the tail salt are NaCl or NaCl and MgCl2; the filling material is solid, and is conveyed in a well by modes of drop shaft sliding, underground automobile conveying, belt conveying and the like; the filling method is used for cement filling; and when the main ingredients of the tail salt are NaCl and MgCl2, cementing agent is added in the filling material, and is clay or saturated NaCl brine. By the aid of tail salt dry-type cement filling, a filling body with the certain strength can be formed in a hollow area, damage of ore pillars and surrounding rocks can be prevented effectively, surface collapse and subsidence are prevented, and recovery safety is maintained. A large quantity of tail salt is utilized, occupied area of stacked tail salt is greatly reduced, and the ground surface of a mining area and surrounding ecological environments are protected effectively.

The invention belongs to the technical field of encoding and decoding, and discloses an encoding method for a static background video. All frames of images of a static background video are classifiedbased on whether or not the images contain an object of interest, the object of interest in the images including the object of interest is segmented out and the images including the object of interestare encoded separately, and frame skip encoding is adopted for the images not including the object of interest. The invention further discloses a decoding method for a static background video. According to the method, a static background video can be coded, the compression ratio of the static background video is greatly improved, meanwhile, the definition of the image of a region of interest is greatly improved, and therefore the requirements for storage and later analysis of the static background video are better met.

The invention relates to a binary neural network forward propagation framework suitable for a mobile terminal. The binary neural network forward propagation framework comprises a model conversion module and a forward propagation module, wherein the forward propagation model comprises a data storage unit, an operation unit and an optimization unit; the data storage unit stores data in a data layoutmode of number, height, width and channel number and compresses the data; wherein the arithmetic unit is a GPU arithmetic unit and merges the operation layers of the binarized neural network; the optimization unit balances the thread read-write data amount and the calculated amount in the arithmetic unit. Compared with the traditional neural network framework, the scheme of forward propagation onthe mobile phone is provided, the storage occupation is reduced, the operation speed is improved, the energy consumption ratio of the binary neural network running on the mobile phone is improved byutilizing the GPU, and the binary neural network can be efficiently run on the mobile terminal.

The invention discloses a road steel slag pretreatment method. Waste steel slag generated in a steelmaking process in a steel mill is intensively stacked after being treated through processes such ascrushing and iron separation, and a solution obtained by mixing a plurality of materials at a normal temperature is used for carrying out continuous spraying treatment on the intensively stacked steelslag. The solution comprises materials including, by weight part, 100 parts of water, 6-10 parts of industrial acetic acid, 0.5-2 parts of monocalcium phosphate, 10-30 parts of calcium chloride and 3-6 parts of sodium pyrophosphate, after the materials are mixed to be uniform, 30-90 days of spraying treatment is carried out on the stacked steel slag at the normal temperature, and the content of free calcium oxide in the steel slag can be obviously reduced. The content of the free calcium oxide of the treated steel slag is lower than 3%, and the steel slag can be used for building and maintaining of high-grade roads.

The invention discloses a data management method. The method comprises the following steps: configuring a template library based on the type of a data source and a data detection rule; responding to the received data acquisition task, matching a corresponding data source in a template library based on the data acquisition task, and establishing a connection; judging whether the to-be-collected data is real-time data or not; in response to the fact that the to-be-collected data is real-time data, converting the data into a message; acquiring data from a corresponding data source based on the message, and judging whether the acquired data meets the requirement or not based on a rule of a template library; and in response to the fact that the acquired data cannot meet the requirements, repairing the acquired data. The invention further discloses a computer device and a readable storage medium. According to the data management method and device and the medium, through the configurable template library, redundancy is automatically reduced, data quality is improved, storage occupation is reduced, and data analysis and application of enterprises are facilitated.

The invention discloses a distributed database node survival state detection module, and relates to the technical field of computer communication. Aiming at the defects existing in the existing node state detection process, a monitoring unit of the state detection module monitors and acquires the health state and updating time of each node, and a processing unit of the state detection module performs data response according to a topological mode in a Gossip protocol. The method further comprises analyzing and counting survival states of the nodes and extracting an inactive node list; the invention further discloses a distributed database node survival state detection method, in the wave cloud sea distributed database DRDB, based on a Gossip protocol broadcast message, each node in the cluster receives and sends a data packet containing other node update messages in a heartbeat period, and the data packet is sent to the cloud sea distributed database DRDB. And the state detection moduleis communicated with each node in the cluster, so that an inactive node list can be extracted. According to the module, whether the node has normal capability can be quickly identified to perform functions of copy processing, memory copying, message transmission and the like.

The invention provides a camera access method and device, terminal equipment and a readable storage medium. The camera access method comprises the steps that if an instruction for starting a camera program is received, a buffer pipeline BQ is requested from a bottom layer frame, the bottom layer frame is a program frame used for accessing a camera, the BQ is used for caching an image collected bya target camera, and the target camera is a to-be-accessed camera; performing preview image display based on the image acquired by the target camera and cached by the BQ; If a photographing instruction is received, based on the image cached by the BQ at the moment corresponding to the photographing instruction, obtaining an image obtained by photographing. According to the method and the device, the phenomenon of terminal equipment blockage caused by long-time use of a camera program for photographing can be reduced to a certain extent.

The invention discloses a CP-ABE cloud data security sharing scheme based on a block chain, and the scheme comprises a cloud user behavior tracing mechanism based on the block chain, a cloud data storage and verification mechanism based on the block chain, and a CP-ABE data encryption and decryption mechanism based on the block chain.The scheme has the beneficial effects that the DO uploads the data, so that if the DR wants to acquire the decrypted data; the DR needs to negotiate a key with the DO, the DO has the control right of own data and can determine which user to decrypt the data, two trusted third parties are responsible for key generation in the tuCP-ABE scheme, the data owner does not have the authority to determine who can decrypt the data, the key is negotiated by the two parties of the user without depending on the centralized trusted third parties, the tuCP-ABE scheme not only depends on a centralized trusted third party, but also introduces two third parties in order to ensure safety, so that the key generation efficiency is greatly reduced, and by adding the tuCP-ABE scheme, the generated keys are fewer, the generated ciphertexts are fewer, and the storage occupation is smaller.

The invention provides a railroad bed C group filler mainly based on calcium silicon slags and a preparation method thereof. The railroad bed C group filler is prepared from calcium silicon slags, soil and water. According to the railroad bed C group filler, industrial solid wastes can be adsorbed, and the cost of the railroad bed filler can be lowered.

The invention discloses a chassis fault detection early warning system and method of a motor train unit, belonging to the technical field of fault early warning. The system comprises a rail-side device, a rail-side machine room system and a background monitoring center system which are arranged close to a rail of a motor train unit, wherein the rail-side device and the rail-side machine room system transmit data through a wireless network, and the rail-side machine room system and the monitoring center system transmit data through a wired network; the rail-side device comprises an image acquisition device, a sound acquisition device and a speed measurement device and is used for acquiring images of a chassis of the motor train unit, acoustic signals of the motor train unit and motor trainapproaching, length and speed signals. The sound, the image, the speed and the length information of the motor train unit are collected through the rail-side device, and the information is sent to therail-side machine room system for calculation, so that the faults of the surface of the motor train unit chassis can be detected according to the image, the faults inside the device can be determinedaccording to the sound, and the detection accuracy is improved.

The invention discloses a big data information management system. The system comprises: a big data acquisition unit, which is used for collecting big data of a website; a content filtering module, which is used for content auditing of the big data of the website; a cloud server for storing audited website big data; an information pushing platform which is used for calling the big data of the website stored by the cloud server to push the media content; a terminal which is used for receiving the media content pushed by the information publishing platform. Compared with the prior art, the invention has the advantages that the content of the collected website big data is audited, the media content which does not conform to the Internet regulation is filtered, the Internet environment is optimized, and the storage occupation of the cloud server is reduced.

The invention discloses a Hamming OCR method based on a locality sensitive Hash network. The method comprises the following steps of: S1, acquiring a scene text image with OCR for making a training set and a test set; s2, constructing an auxiliary model, optimizing the auxiliary model by using the text image of the training set, training the model, and generating locality sensitive hash codes of all characters; s3, constructing a Hamming OCR master model, and outputting the locality sensitive hash code as an embedded layer of the Hamming OCR master model to obtain an initialized Hamming OCR master model; s4, optimizing parameters of the initialized Hamming OCR main model by using the text image of the training set to obtain an optimal Hamming OCR network model; and S5, inputting a to-be-recognized text image into the optimal Hamming OCR network model, generating an output code by the optimal Hamming OCR network model, and obtaining a text recognition result through the output code. According to the method, the model storage occupation capacity is reduced, and the model stability and the operation efficiency are improved.

The invention discloses an intelligent pharmacy. The intelligent pharmacy comprises a pharmacy control system, printing equipment, a medicine storage and distribution module, a medicine rechecking module and a medicine packaging module and has the functions of automatic order receiving, automatic medicine dispensing, medicine rechecking and medicine packaging. Nowadays, people usually wait in a queue in a hospital pharmacy window for medicine taking in a hospital, and by means of the system, pharmacy flow dividing can be effectively achieved, patients can flexibly and conveniently take the medicine, and the medication safety and the curative effect are guaranteed; and meanwhile, the working intensity of hospital pharmacy workers is relieved, and outflowing prescriptions are easy to manage.

The invention provides a tree planting slurry and a tree planting method. Fly ash and flue gas purification waste liquid are effectively utilized, the tree planting slurry prepared from the fly ash and the flue gas purification waste liquid creates soil conditions for survival of saplings, and the tree planting slurry has the advantages that the tree planting slurry is easy to prepare and grout, and the survival rate of the saplings is high. After constructed tree pits and grouting holes are filled with slurry materials, the soil texture condition for tree survival and a channel (the grouting holes) for root systems to penetrate through calcium layer soil to grow and develop downwards are established, good conditions are created for autonomous growth of the trees after many years, and the defects of a traditional tree planting method are overcome. A foundation can be laid for woodland formation of sand and diversification of grassland planting, the cost of sand prevention and sand fixation can further be reduced, and great ecological civilization and sustainable development significance are achieved.

The invention relates to an EG-LDPC decoder and a method. The EG-LDPC decoder comprises a controller, a shift arithmetic unit, a data memory group, an H matrix memory, a receiving memory, a data arithmetic unit and a result arithmetic unit. The shift arithmetic unit accesses original data to form a data cyclic matrix and inputs the data cyclic matrix into the data memory. The H matrix memory stores the position of 1 in the H matrix sub-vector, and the output of the H matrix memory is connected to the address bit of the data memory bank. The output end of the data memory bank is connected withthe input end of the data arithmetic unit to perform exclusive OR on the received data vector, and the output end of the data arithmetic unit is connected to the result arithmetic unit. The result arithmetic unit performs addition operation on exclusive-OR results of all received H matrix partial vectors and corrects an error bit, and the output end of the result arithmetic unit is connected to the receiving memory. The decoder has the advantages that resources occupied by storage are reduced; and the decoding efficiency of the decoder is improved.

The invention provides embedded child electrocardiogram monitoring equipment and system. P waves, PR segments, QRS waves, ST segments and T waves of each ECG are recognized, the obtained P waves, PR segments, QRS waves, ST segments and T waves are put into corresponding wave band arrays respectively, a mark array is newly built, and the number of elements of the mark array is the same as that of the wave band arrays;the similarity between the P wave, the PR section, the QRS wave, the ST section and the T wave and the corresponding typical wave band is calculated, the element at the corresponding position of the flag array is set to be 1 when the similarity is smaller than a threshold value, and the occurrence time of the wave band is recorded; and a subscript of which the flag array element is 1 is acquired, elements corresponding to the subscript in the P wave array, the PR segment array, the QRS wave array, the ST segment array and the T wave array are combined into an ECG wave, and the ECG wave and wave band generation time in a second storage unit are stored. In addition, the invention further provides a QRS wave identification method in the ECG. The transmission quantity of the ECG data can be effectively reduced, and the user experience is improved.

The invention discloses a human body target detection method and system for real-time application of a mobile terminal, and belongs to the field of artificial intelligence. Aiming at the problems of poor human body detection precision and poor real-time performance of the existing mobile terminal, the invention provides a human body target detection method for real-time application of the mobile terminal, and the method comprises the following steps: collecting data and carrying out the preprocessing; inputting the preprocessed data into a deep learning framework for training to obtain a network model file; and deploying the network model file to a mobile terminal, completing human body detection and outputting a result. According to the invention, the deep learning framework trains the data to optimize and adapt to the mobile terminal, the subsequent deployment of the mobile terminal is facilitated, the spatial pyramid pooling and the feature pyramid structure can greatly increase the accurate detection of the long-range small target and the shielding condition, and the accurate measurement precision is improved. And when the feature extraction network is deployed to the mobile terminal, the real-time performance can be ensured under the existing computing resources of the equipment, and the whole method is simple to operate and wide in adaptability.

This application provides a multi-level warehouse management system and method for medical consumables based on the SPD mode. The system includes: a server with multiple first users; the server has a first-level standby database and a first-level hospital database corresponding to each first user; service There is also an SPD central library at the terminal; the first-level standby database is used to store the consumable information in the first-level standby warehouse of the first user; the first-level hospital database is used to store the consumable information in the first-level hospital warehouse of the first user; the SPD center The library is used to store consumables information in the central consumables warehouse; several first terminals are installed with SPD systems; the first terminals are used to issue purchase orders through the SPD system, and the purchase orders include current purchase consumables information and spare purchase consumables Information; the server is used to receive storage transfer applications and purchase storage applications, and to update each database. The application enables the hospital to pre-store the spare consumables outside the hospital, reducing the storage space occupied by the consumables in the hospital.

The invention discloses a folded portable conveniently-stored self-locking bicycle, comprising a frame, a front fork, a front wheel, a rear wheel, a controllable movable front face and a control box with a lock, wherein, the frame is connected with the rear wheel; the frame is connected with a positioning box which is connected with the control box; the control box is connected with the controllable movable front face which is connected with a sleeve; the sleeve is connected with the front fork which is connected with the front wheel; the sleeve and a vertical pipe are locked through a vertical pipe locking handle; the vertical pipe is connected with a handlebar sleeve; an extension handlebar is connected with the handlebar sleeve; the positioning box of the frame is provided with the control box with the lock and the controllable movable front face; the frame, the control box, the front face, the sleeve and the front fork are folded into a hollow ring shape by a control box positioning pin; and the front wheel and the rear wheel are locked on the same axis, thus realizing the reliable storage of the folded bicycle on the ground or a hollow fixed object; the folded parts are positioned; the folded bicycle is easy to store and carry by virtue of a movable support; and the storage safety of the folded bicycle is enhanced by the control box with the lock.

The invention discloses a black frame calibration method and system for a hyperspectral image and a black frame correction method and system for a hyperspectral image. The black frame calibration method for the hyperspectral image comprises the steps of: carrying out black frame collection on a shooting wave band at the same test temperature and different exposure time, carrying out black frame collection on different test temperature sequences at the initial exposure time so as to obtain a corresponding black frame data set; and obtaining a wavelength dimension average value and an image dimension average value from the black frame data set on the basis of the image dimension and the wavelength dimension, fitting the wavelength dimension average value and the image dimension average value respectively based on the exposure time and initial test temperature, and keeping the wavelength dimension average value and the image dimension average value at the initial exposure time and the initial test temperature; and obtaining a complete hyperspectral black frame image sequence matrix by using the parameters, and deducting the product of the hyperspectral black frame image sequence matrix and digital gain from the hyperspectral image to obtain a corrected hyperspectral image. According to the methods and the systems, the time of repeatedly shooting the black frame each time can be saved, and meanwhile, the space occupied by storage can be greatly reduced.

The invention discloses a child safety seat, which comprises a base and a seat back, wherein the base and the seat back are coupled with each other, and a movable limiting structure is arranged between the base and the seat back; when the limiting structure is in a first state, the position between the base and the seat back is kept in a seat state, when the limiting structure is in a second state, the base can rotate towards the seat back and get close to the seat back, and after the base and the seat back are folded, the child safety seat is smaller in size and smaller in occupied storage space.

A method for detecting disconnection of a transformer secondary circuit for a conventional sampling instrument in a substation, comprising the steps of: S1, adding a mega-level pull-up resistor R1 and a pull-down resistor R2 with unequal resistance values ​​to the secondary circuit of the instrument transformer, the resistance value The ratio is 1:2; for the current type PT transformer, a resistor R0_1 is connected in series on the source side, and a resistor R0_2 is connected in parallel at the secondary side; for the voltage type CT transformer, a resistor R0 is connected in parallel at the source side; S2, identify the fault and Processing: When the continuous 1 / 4 cycle time of the AD sampling value is near the offset potential of the secondary circuit disconnection, it is judged that the secondary circuit is disconnected; the sampling device performs disconnection exception processing: the quality setting of the sampling value output by the merging unit SV is abnormal , and drive GOOSE to release the abnormal alarm point of the sampling value; the conventional sampling protection device blocks the relevant protection of the disconnection channel, and the sampling value of the disconnection channel of the conventional sampling measurement and control device is invalidated, and an alarm is issued. The invention can realize the self-inspection of the secondary circuit state of the conventional sampling device in the substation, and improve the reliability of the conventional sampling device in the substation.

The invention provides a nearby oil containment system based on a parallel mechanism. The nearby oil containment system comprises a nearby oil containment boom based on a parallel mechanism and two laying devices; the nearby oil containment boom based on the parallel mechanism at least comprises an oil containment boom unit and two ship wall connectors for connecting the oil containment boom unit and a ship wall; two ends of the oil containment boom unit are provided with quick-connected male connections matched with quick connections arranged on the ship wall connectors; and the two laying devices are provided. By using the nearby oil containment system based on the parallel mechanism, a small-area water area nearby a ship body can be contained, and the problems of large using length and laying difficulty of the original oil containment boom.