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40 results about "Dictionary search" patented technology

Magnetic resonance fingerprint imaging based quick dictionary search method

The invention discloses a magnetic resonance fingerprint imaging based quick dictionary search method. The magnetic resonance fingerprint imaging based quick dictionary search method comprises the steps of S1, running an MRF scanning sequence for any given MRF scanning sequence and scanning parameters thereof by a magnetic resonance scanning device to obtain a magnetic resonance fingerprint S actually collected at each pixel position; S2, searching a physical characteristic parameter corresponding to each pixel, wherein the step of searching the physical characteristic parameter corresponding to one pixel comprises the sub-steps of matching the magnetic resonance fingerprint signal S of the pixel with the corresponding signal directory D and finding a matching item most proximal to the magnetic resonance fingerprint S of the pixel, and the most proximal matching item is the physical characteristic parameter of the pixel; and S3, integrating the physical characteristic parameters of all the pixels respectively to obtain a needed complete physical characteristic image. The magnetic resonance fingerprint imaging based quick dictionary search method can efficiently reduce the search calculation complexity, can reduce the calculation time and can improve the search efficiency.
Owner:HANGZHOU NORMAL UNIVERSITY

Non-reference quality evaluation method for fuzzy distortion three-dimensional images

The invention discloses a non-reference quality evaluation method for fuzzy distortion three-dimensional images. In a training phase, multiple distortionless three-dimensional images and corresponding fuzzy distortion three-dimensional images are selected to constitute a training image set, the fuzzy distortion three-dimensional images are decomposed by means of bidimensional empirical mode decomposition to obtain intrinsic mode function images, and a vision dictionary table is constructed by means of a K mean value clustering method; objective evaluation metric values of pixels in the fuzzy distortion three-dimensional images are obtained, so that a visual quality table is constructed; in a testing phase, three-dimensional images to be tested are decomposed through bidimensional empirical mode decomposition to obtain intrinsic mode function images, and then image quality objective evaluation predicted values of the images to be tested are obtained according to the vision dictionary table and the visual quality table. The method has the advantages that complicated machine learning and training processes are not needed in the training phase, the image quality objective evaluation predicted values can be obtained only through a simple vision dictionary search process in the testing phase, and consistency of subjective evaluation values is good.
Owner:山东立信华创信息科技咨询有限公司

Method for realizing input method dictionary and input method system

The invention provides a method for utilizing an input method to complete dictionary search; the method comprises the following steps: information input by users is received; search keywords needed byThe invention provides a method for utilizing an input method to complete dictionary search; the method comprises the following steps: information input by users is received; search keywords needed byns via the input method, thus being capable of improving the efficiency and speed of consulting a dictionary for users and reducing data transfer steps during dictionary search.ons via the input method, thus being capable of improving the efficiency and speed of consulting a dictionary for users and reducing data transfer steps during dictionary search.users are determined; an input method system searches in the data base of the dictionary according to the search keywords; and the search results are obtained and demonstrated. The invention also pro users are determined; an input method system searches in the data base of the dictionary according to the search keywords; and the search results are obtained and demonstrated. The invention also provides the input method system which consists of an input interface module for receiving the information input by users, a search keyword determining module for determining the search keywords needed bvides the input method system which consists of an input interface module for receiving the information input by users, a search keyword determining module for determining the search keywords needed by users, a dictionary search module for searching in the data base of the dictionary according to the search keywords, and a demonstrating module for obtaining and demonstrating search results; whereiy users, a dictionary search module for searching in the data base of the dictionary according to the search keywords, and a demonstrating module for obtaining and demonstrating search results; wherein the search keywords comprise the information input by users or candidate items obtained from the conversion of the word bank of the input method. The method creatively realizes the dictionary functin the search keywords comprise the information input by users or candidate items obtained from the conversion of the word bank of the input method. The method creatively realizes the dictionary functio
Owner:BEIJING SOGOU TECHNOLOGY DEVELOPMENT CO LTD
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