Device for object recognition
The invention relates to specialized computer equipment and can be used for object recognition in the case when the reference and the observed two-dimensional image defined as fuzzy sets. The technical result is the ability of the device to make decisions on the suitability of the image of the observed object reference using fuzzy information by comparing the results together adjacent elements, i.e., more informative basis. The technical result is achieved due to the fact that the device for recognition of objects contains the set of coordinates, the set of the membership functions of the reference object image, the processing unit modules of differences of membership functions, the three forming unit minimum unit subtraction, two serial adder, two registers, the shaping unit of measure of the degree of certainty, the shaping unit of the membership functions of the observed object image, a conversion unit of the membership functions of the reference object image, a conversion unit of the membership functions of the observed image of the object. 2 Il. The device for recognition of objects containing the set of coordinates, the first and second registers, the processing unit of measure of the degree of reliability, the first and second inputs connected to the outputs respectively of the first and second registers, the first and second blocks forming at least block the formation of the membership functions of the reference object image, the processing unit of the membership functions of the observed object image and the subtraction unit, characterized in that the conversion unit of the membership functions of the reference image, the group of inputs is connected to the output of the shaping unit of the membership functions of the reference object image, a conversion unit of the membership functions of the observed image, the group of inputs is connected to the output of the shaping unit of the membership functions of the observed image of the object, the processing unit modules difference membership function, the first and second group of inputs of which are connected with the groups of outputs of the conversion unit of the membership functions of the reference image and the conversion unit of the membership functions of the observed image of the object, respectively, and the group o is outinen with the output of the second processing unit minimum and the output - information input of the first register, serially connected third forming unit minimum and the second serial adder, the output of which is connected to the information input of the second register, the group of outputs of the processing unit coordinates connected with the group of inputs of the processing unit of the membership functions of the reference and object image processing unit membership function of the observed image of the object at the output of the subtraction unit generates difference signals by subtracting one unit of minimum values of modules of differences generated by the first processing unit at least, the third block forming at least generates signals according to the difference signals generated at the output of the subtraction unit, the second block forming at least generates an output signal on the output signal of the first processing unit minimum.
FIELD: automated recognition of symbols.
SUBSTANCE: method includes following stages: tuning, forming symbols models, recognition, recording background model together with background of read image, separating model of registered background from elementary image of background, combining for each position of symbol of model of letters and/or digits with elementary displaying of appropriate background, forming of combined models, comparison of unknown symbols to combined models, recognition of each unknown symbol as appropriate symbol, combined model of which is combined with it best in accordance to "template comparison" technology.
EFFECT: higher efficiency.
10 cl, 10 dwg
FIELD: optical recognition of symbols.
SUBSTANCE: method includes dividing image on areas, finding areas with hand-written symbols, using structural and sign classifiers for recognition of symbols, use of structure classifier as main recognition tool, selecting best suiting symbol of several variants.. recognition of symbol includes recognition of symbol by at least one additional sign classifier of crossed symbols, performing concurrent comparison to crossed symbol and at least one common symbol like the latter, and identification of symbol as crossed one in case of better compliance to signs of crossed symbols.
EFFECT: higher efficiency.
FIELD: identification devices.
SUBSTANCE: device has photographic image of a person and microprocessor, which has processor, memory, connected to processor and containing authentication data, and interface means, connected to said processor to organize communication with external device. Said photographic image has specially concealed information, contents of which when combined with said authentication data provides for authentication of said photographic image, and said microprocessor is made with possible realization of at least a portion of said authentication.
EFFECT: higher efficiency.
5 cl, 4 dwg
FIELD: identity recognition devices.
SUBSTANCE: device has in case in form of small suitcase, a computer, which is compatible to operation systems meant for using programs of scientific identification. Computer is connected to display and keyboard, it can be connected to printer external relatively to case, and presumes presence of remote connection to processing center, responsible for identification. Device additionally has fingerprint reader connected to computer and digital camera connected to computer.
EFFECT: higher speed of operation, higher reliability, broader functional capabilities.
5 cl, 3 dwg
SUBSTANCE: method includes conversion of recognized and standard images to digital form, their digital processing by determining coordinates, comparison and determining of match of recognized and standard contours. Determining of coordinates of line of characteristic contour of recognized image of symbol is performed using appropriate standard graphic image by finding value of coordinates X, Y, angle β of position of optical center of text symbols by superposition along area of printed area of digital images - in straight contrast of standard on appropriate recognized in reversed contrast.
EFFECT: higher reliability.
2 cl, 1 dwg
FIELD: coherent optics, Fourier optics.
SUBSTANCE: method for recognition of images in optical-digital correlators includes procedures for input of amplitude distributions of standard and compared objects into correlator, transformation of these distributions to synthesized phase distributions, receiving correlation between them, registration of received recognition signal and estimation of recognition result, distributions of standard and compared objects, related to arbitrary type objects, are unambiguously matched with phase random distributions Ψst(x,y), Ψ(x,y), synthesized from distributions of standard and compared objects and starting phase distribution Ψo(x,y), utilized further during recognition in optical-digital correlator instead of real objects.
EFFECT: increased trustworthiness of recognition of images of arbitrary class objects.
FIELD: technology for encoding and recognition of papillary patterns, possible utilization in automated biometric informational systems for identification of personality.
SUBSTANCE: method includes generation of three passports, including an additional statistical one and determinate one. Successive execution of comparison procedures of given papillary patterns received from papillary pattern indicator with passports makes it possible to shorten total duration of recognition procedure due to taking a decision about recognition of papillary patter at early stages while satisfying recognition clarity criterions.
EFFECT: increased trustworthiness and speed of recognition of papillary pattern images due to prevented influence of rotation and shifting of compared papillary patterns, automatic consideration of systematic and random errors, decreased duration of recognition procedure.
FIELD: technologies for encoding and recognizing papillary patterns, possible utilization in automated biometrical information systems for identification of personality.
SUBSTANCE: method includes stage of generation of papillary pattern passport with further placement of the latter into computer memory, and stage of comparison of given papillary pattern to passport of papillary patterns, which utilization procedure for comparing two sets of values of electric parameters with arbitrary number of characteristic points, which is performed by full search of sets of characteristic parameters of all characteristic points. In process of full search of sets of coordinates and characteristic parameters, values of electric parameters are selected, matching in two sets, on basis of numbers of coincidences a signal is generated about match of compared sets of electric parameter values.
EFFECT: shorter time and increased trustworthiness of recognition of papillary patterns; prevented influence from rotation and shifting of papillary patterns, increased stability of characteristics and decreased length of papillary pattern passport.
FIELD: engineering of equipment, limiting access to system being protected, possible use for preventing unsanctioned access to system by random individuals.
SUBSTANCE: method includes determining coordinates of certain specifics of papillary pattern of user and on basis of difference of coordinates of produced image of print and one stored in database, positive or negative decision is produced about access of user to system.
EFFECT: increased level of protection of system.
FIELD: method for monitoring marks, made on printed documents.
SUBSTANCE: method includes making a digital image of front side of document by determining content of one-color and multi-color components of image pixels, content of color component of each pixel is compared to range from upper to lower thresholds for appropriate pixel of acceptable unmarked document and appropriate abnormal pixel is generated, if value of pixel is outside interval between upper and lower thresholds, then presence of mark different from dirt is detected, if abnormal pixels produced as a result satisfy previously set conditions.
EFFECT: provision of possible determining of some or other forms of distortion of document.
3 cl, 6 dwg