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202 results about "Visual patterns" patented technology

Belt assembly for storage and inventory of tools

A tool-carrying assembly to be secured by a waist-encircling belt, and, additionally, by straps encircling the legs of a workman using the belt assembly. The assembly is thus stabilized, and enhanced weight distribution is achieved. Elements of the belt assembly include a waist-encircling band supporting a pair of laterally spaced, depending panels each carrying tool-accepting pockets. The pockets preferably carry visual markings and coding as well as other indicia identifying clearly the specific tools to be "housed" or carried in and to be returned to each pocket after use. Inventory control of the tools is thereby significantly enhanced. Pivotal flaps depending from the band-carried panels serve to cover the tools when not in use, and to prevent the tools from scratching or otherwise marring any article, or fixture, or "workpiece" requiring the workman's attention. The panels and the tools carried thereby are disposed in lateral, spaced zones at the wearer's sides (and not directly in the front of one's body) thus further to reduce any likelihood of the tools coming into damaging physical contact with an article being worked upon. That is, both frontal and rearwardly located zones about the wearer of the tool belt assembly are rendered essentially free and clear of all tools and other mechanical impediments. While wearing the tool assembly of the invention, a worker can, without any discomfort, lie upon and use a "creeper". Significantly, a frontal sector of the belt itself is covered with a relatively soft, non-marring protective pad, composition, or surface material effective to prevent possible damage from a workman's belt buckle. An additional feature of the invention is that the panels may be structured to constitute a core sandwiched between a pair of encasing sheet-like webs. The resulting composite is readily formable to provide selectable visual patterns, designs or indicia, for example, to identify product name or sources and / or to constitute decorations.
Owner:WMH TOOL GROUP

Method and system for extracting, seeking and comparing visual patterns based on frame-to-frame variation characteristics

The invention relates to a method and a system for extracting, looking up and comparing visual patterns based on frame-to-frame variation characteristics. The method comprises the following steps: performing effective video preprocessing, and unifying various videos with different qualities and resolution ratios to a level with accordant resolution ratios and video qualities as much as possible; performing calculation of relativity between a number of adjacent frames to find out a plurality of image blocks with obvious (such as the biggest difference) characteristics between a number of the adjacent frames, and coding the plurality of the blocks to form frame fingerprints; and combining the sequences of the frame fingerprint to form the visual patterns. Simultaneously, because the method for extracting the visual patterns has good robustness, a visual pattern comparison and lookup algorithm which is matched with the method for extracting the visual patterns and is based on matched inverted row query and window sliding is invented. Under the condition of ensuring the accuracy of the query, the retrieval rate is greatly improved. The method and the system can be applicable for real-time operations.
Owner:PEKING UNIV

Internet-based cross-media landmark historical event extraction and picture retrieval method

The invention provides an Internet-based cross-media landmark historical event extraction and picture retrieval method. The method comprises two steps of historical event extraction and cross-media picture retrieval based on historical events. Events can be collected from tag sets of photo-sharing websites and extracted from articles in related landmark introduction websites. The extraction of events from tag sets can be realized by utilizing the frequency of each tag in time to select an optimal partition interval of the tags within the time range, obtaining a sudden weight of each tag by an age theory, and performing tag clustering on tags with high sudden weights, wherein each cluster forms an event. Cross-media picture retrieval based on events can be realized by using time constraints and event keywords to retrieve picture sets to obtain an initialized picture ranking result, establishing a model by utilizing visual mode difference between related pictures and irrelevant pictures, removing irrelevant pictures in a retrieval result, and finally establishing a reordering model by using the relativity and diversity of pictures as the constrain to find a corresponding and representative picture set for each event, so as to realize the visualization of the landmark historical events.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Aero-engine numerical control installation method guided by visual patterns

The invention discloses an aero-engine numerical control installation method guided by visual patterns, and belongs to the technical field of installation automation. The aero-engine numerical control installation method is characterized in that a numerical control electric unwheeling is operated to carry out initial alignment on the horizontal axis position and the vertical axis position of an aero-engine according to the relative position information, measured by a pose monitoring platform in an aero-engine numerical control installation system, of the aero-engine and an engine installation cabin, a multi-axis pose adjusting platform is used for accurately aligning the axis position with the axis deviation angle of the aero-engine, automatic whole-course precision installation of the aero-engine is carried out under the real-time monitoring guiding of the pose monitoring platform, and automatic numerical control installation of the aero-engine is achieved. The aero-engine numerical control installation method has the advantages that the advanced image recognizing and measuring technology and the precise numerical control technology are combined to be applied to the installation work of the aero-engine, and the installation efficiency and installation quality are improved.
Owner:DALIAN UNIV OF TECH

Identity key file signing and verifying method

The invention discloses an identity key file signing and verifying method. According to the identity key file signing and verifying method, identity data representing identity characteristics are operated through an identity password algorithm to generate asymmetric identity public and private key pairs, identity password data serving as a public key are converted into visual identity patterns forsigning files and registered and distributed to a signing end and a verification end. By encrypting and decrypting the files through the identity passwords, the identity key file signing and verifying method can ensure security of the files during transmission, and by signing the files through the visual patterns converted from the identity code data, ensures safety of the files during a signingprocess and is free from security assurance of a third party during transmission and verification; a verification algorithm with anti-counterfeit verification through electronic evidences generated during signing without inquiring original texts can protect privacy of users; encrypting and decrypting the files through the identity key data and signing the files through the identity key patterns achieve safety of electronic files and meanwhile simultaneously achieve connotation of law and culture of sign patterns and traditional written files such as seals or fingerprints.
Owner:XIAN HUIBOXIZHAO INFORMATION TECH CO LTD

Visualized optimization processing method and device for random forest classification model

Disclosed is a visualized optimization processing method for a random forest classification model. The method comprises: for a random forest classification model which has been constructed, estimating the degree of correlation between various decision trees of the random forest classification model via out-of-bag data; constructing a correlation matrix using the degree of correlation between various decision trees of the random forest classification model; according to the correlation matrix, by means of the dimension reduction technology, acquiring a visual pattern of the random forest classification model in a space with dimensions fewer than three; and according to the visualized pattern of the random forest classification model, conducting optimization processing on the random forest classification model, so that the upper limit of a second generalization error of the processed random forest classification model does not go beyond the upper limit of a first generalization error of the random forest classification model prior to processing. By means of the above-mentioned method, the present invention can reduce the number of decision trees in the random forest classification model and reduce the memory space required by the random forest classification model, and can also improve the prediction speed and accuracy at the same time.
Owner:HUAWEI TECH CO LTD

Moving object detecting device based on microwave transducer and ultrasonic transducer

The invention relates to a moving object detecting device based on a microwave transducer and an ultrasonic transducer. The moving object detecting device comprises a low-power dissipation microcontroller unit, the microwave transducer, the ultrasonic transducer, a signal amplifying and filtering processing circuit, a field bus interface unit, a temperature transducer and a power source unit. The microwave detecting technology and the ultrasonic detecting technology are combined. The detecting distance of the microwave transducer is far, the response speed is high, the anti-jamming capability is high, the measuring precision of the ultrasonic measurement is high, and the angle range is small. When the microwave transducer detects that a moving object passes a detecting area, the ultrasonic transducer is started immediately to confirm that the object enters the detecting area, and the distance and speed information can be obtained. The moving object detecting device is compact in structure and capable of dealing with different environments and detecting the low-speed moving object, the problems that an existing detecting technology based on a pressure transducer, a pyroelectric infrared transducer and visual patterns is large in error, poor in anti-jamming capability and the like are well solved, and the problems that installation and construction are difficult are solved. The moving object detecting device has the advantages of being small in size, high in response speed and low in power consumption.
Owner:武汉华大石居科技有限公司
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