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722results about How to "Easy to scan" patented technology

Method and apparatus for three-dimensional optical scanning of interior surfaces

The invention concerns the three-dimensional scanning of interior surfaces or cavities of limited dimensions or with restricted accessibility by providing a probe-shaped non-contact adpated to perform a scan 360° around the axis of the probe and a method for scanning. The invention furthermore relates to the creation of high precision three-dimensional replicas of real objects using 3-D scan data obtainable with the scanner according to the invention. Furthermore, the invention relates to a specific embodiment for scanning the human ear and ear canal.
Owner:3SHAPE AS

Method for establishing human knee joint three-dimensional simulation model in combination with CT (Computed Tomography) and MRI (Magnetic Resonance Imaging)

The invention relates to a method for establishing a human knee joint three-dimensional simulation model in combination with CT (Computed Tomography) and MRI (Magnetic Resonance Imaging), and belongs to the technical field of medical images. The method comprises six steps of CT image acquisition, MRI image acquisition, data storage, CT two-dimensional image importing and three-dimensional model establishment, MRI two-dimensional image importing and three-dimensional model establishment, and knee joint anatomy simulation model registration and modification. The method combines the advantages of CT and MRI scanning, so that the scanning is convenient and fast, the images are clear, the dissection relation is definite, the density resolution is very high, and the scanning range is very wide. According to the method, two sets of images are registered through a three-dimensional image registration technology, three-dimensional coordinate systems of two types of images are unified by fitting point cloud contours and anatomical feature points of femurs, tibias and fibulas, and registration is performed through a registration module to obtain a double-lower-limb full-length knee joint three-dimensional digital model with structures of bones, cartilages, meniscuses, ligaments, muscle tendons and the like.
Owner:FIRST AFFILIATED HOSPITAL OF KUNMING MEDICAL UNIV

Method and system for decompression-free inspection of shared dictionary compressed traffic over HTTP

A system and a method for decompression-free inspection of compressed data are provided herein. The method includes the following stages: obtaining a dictionary file comprising a string of symbols, each associated with a respective index; obtaining at least one delta file associated with said dictionary file, wherein said delta file comprises a sequence of instructions that include at least one copy instruction pointing to an index within said dictionary and a length of a copy substring to be copied; scanning said dictionary using a pattern matching algorithm associated with a plurality of patterns and implemented as a Deterministic Finite Automaton (DFA), to yield DFA execution data; scanning said at least one delta file, using said pattern matching algorithm, wherein said DFA execution data is used to skip at least part of the scanning of the copy substrings for at least one of the copy instructions.
Owner:YISSUM RES DEV CO OF THE HEBREW UNIV OF JERUSALEM LTD +2

Optically Readable Identification Security Tag or Stamp

The invention relates to a security tag made unique by randomly distributing a mixture of large numbers of multicolored small objects, such as two colored glass balls, into a regular geometric array or pattern onto a substrate and encapsulating those objects. The objects in the regular array on the substrate will create a unique, non-reproducible pattern. The data, saved to a secure database, can be processed and calculated quantities can be derived from the field of binary data, which can be affixed to the document or manufactured part that the stamp is affixed to. The regular array can be read out by scanner, quantities calculated, and compared to the values printed on the part or document. Additionally, the regular array can be read out by optical scanner and parts or all of the data compared to the data stored in the secure database.
Owner:FREEMAN JAMES

Laser power regulating method based on model features

The invention belongs to the technical field of laser material additive manufacturing, and particularly relates to a laser power regulating method based on model features. The laser power regulating method comprises the following steps that a special region with a complex structure in a model is obtained, slicing processing is conducted on the workpiece model, and preprocessing is conducted on thesplice contour of a special region in the contour data of each layer, the laser power of the point needed to be adjusted is calculated point-by-point; and the slice contour of a non-special region ineach layer contour data is filled in a conventional filling mode; and the process is repeated until layer processing of all slices of the workpiece model is finished, and finally the laser printing path data of the workpiece model is generated. According to the laser power regulating method based on the model features, the heat accumulation effect generated by excessively intensive scanning and printing of in the local region of the laser is utilized, and the laser power of the progressive contour ring filling path in the region is adjusted dynamically, so that adverse effects caused by the heat accumulation effect is avoided, and the fact that the temperature of a material molten pool is stable in the melting temperature range of powder materials all the time is guaranteed.
Owner:HUAZHONG UNIV OF SCI & TECH
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