Patent application number | Description | Published |
20130259350 | SIMILAR CASE SEARCHING APPARATUS AND SIMILAR CASE SEARCHING METHOD - A similar case searching apparatus includes: an image feature quantity extracting unit which extracts image feature quantities from an interpretation target image; a reference expression extracting unit which extracts a reference expression from a description related to a second test in a target image interpretation report; a weight determining unit which determines, for each image feature quantity, a weight which is larger as the correlation between the image feature quantity and the reference expression is higher, based on two-data correlation information; and a similar case searching unit which searches a case database for a similar case data item including a medical image similar to the interpretation target image, by weighting the image feature quantity extracted from the interpretation target image and a corresponding image feature quantity extracted from the medical image and comparing the weighted image feature quantities. | 10-03-2013 |
20140049628 | DIGITAL SPECIMEN MANUFACTURING DEVICE, DIGITAL SPECIMEN MANUFACTURING METHOD, AND DIGITAL SPECIMEN MANUFACTURING SERVER - A digital specimen manufacturing device comprises: a reduction processing unit which generates a reduced image by reducing a high resolution image of a first magnification into a second magnification image; an operation instruction unit which instructs the imaging unit to update the second magnification and recapture the low resolution image when information indicates the difference between the reduced image and the low resolution image is not within the allowable error range; and an image processing unit which obtains a third magnification, and outputs an image of the digital specimen by reducing the high resolution image into an image of the third magnification which an image magnification greater than the updated second magnification and smaller than the first magnification. | 02-20-2014 |
20140072193 | DIAGNOSTIC SUPPORT APPARATUS AND DIAGNOSTIC SUPPORT METHOD - The diagnostic support apparatus includes a feature quantity calculation unit vectorizing a test image into shift-invariant feature quantities, a base representation unit transforming the shift-invariant feature quantities of the test image into a linear combination of base vectors with first coefficients, the base vectors being calculated from a plurality of vectors representing shift-invariant feature quantities of a plurality of normal structural images including no lesion site, a lesion determination unit determining that the test image includes a lesion site when a difference between the first coefficients and second coefficients is greater than a determination threshold value, the second coefficients being used to transform shift-invariant feature quantities calculated from one of the normal structural images into a linear combination of the base vectors, and an output unit outputting a result of the determination by the lesion determination unit. | 03-13-2014 |
20140079302 | MEDICAL IMAGE COMPRESSION DEVICE, MEDICAL IMAGE COMPRESSION METHOD, AND PREDICTION KNOWLEDGE DATABASE CREATION DEVICE - A medical image compression device includes: a compression target obtaining unit obtaining a target medical image to be compressed and diagnostic finding information for the target image; a clinical condition range obtaining unit dividing the target image into regions for the respective clinical conditions based on the diagnostic finding information; a pixel value prediction unit, for an arbitrary pixel, referring to a prediction knowledge database, and calculating a prediction probability of a value of a prediction target pixel based on the clinical condition of the prediction target pixel and the appearance distribution of the value of the prediction target pixel; a coding unit coding the value of the prediction target pixel based on the prediction probability of the pixel value; and an output unit outputting a code of the prediction target pixel after being coded by the coding unit. | 03-20-2014 |
20140089000 | SIMILAR CASE SEARCHING APPARATUS, RELEVANCE DATABASE GENERATING APPARATUS, SIMILAR CASE SEARCHING METHOD, AND RELEVANCE DATABASE GENERATING METHOD - A similar case searching apparatus includes: a search vector generating unit which: with reference to a relevance database storing the degrees of relevance between (i) a combination of the keyword extracted by the keyword extracting unit and the attribute value of the keyword obtained by the keyword attribute obtaining unit and (ii) the respective image feature quantities extracted by the image feature extracting unit, performs weighting on (i) the image feature quantities extracted by the image feature extracting unit and (ii) image feature quantities extracted from a second medical image group of medical images included in a second case data item stored in the case database, using the degrees of relevance as weights; and a similar case searching unit which searches out, from the case database, the second case data item similar to a first case data item by comparing the weighed image feature quantities (i) and (ii). | 03-27-2014 |
20140105475 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus including: an examination image obtaining unit obtaining an examination image of an examination subject; a shift-invariant feature quantity calculating unit calculating, for each pixel, a shift-invariant feature quantity represented by predetermined base vectors, from the examination image obtained by the examination image obtaining unit; a selecting unit selecting, on the examination image, a pixel having a matching degree lower than or equal to a predetermined threshold, between (i) a relative positional relationship of classes in normal images each of which does not include a lesion site and (ii) a relative positional relationship of the classes to which shift-invariant feature quantities respectively belong in the examination image, the classes being obtained by clustering the shift-invariant feature quantities: calculated from pixels included in the normal images; and represented by the predetermined base vectors; and an output unit outputting a result of the selection performed by the selecting unit. | 04-17-2014 |
20140105480 | IMAGE MEASUREMENT APPARATUS, IMAGE MEASUREMENT METHOD AND IMAGE MEASUREMENT SYSTEM - An image measurement apparatus includes: an image acquiring unit that acquires a sample image that is an image obtained by capturing an image of a sample; a standard color space converting unit that converts the sample image into a standard sample image that is an image in a standard color space; a color distribution normalizing unit that converts the standard sample image into a normalized sample image by converting pixel values of pixels in the standard sample image to cause a color distribution vector indicating a color distribution of the standard sample image to match a predetermined standard color distribution vector indicating a standard color distribution; and a positive rate acquiring unit that detects positive pixels by performing threshold processing on pixel values of pixels in the normalized sample image, and acquires a positive rate indicating a proportion of the detected positive pixels. | 04-17-2014 |
20140161327 | DIAGNOSTIC SUPPORT APPARATUS AND DIAGNOSTIC SUPPORT METHOD - A diagnostic support apparatus includes a base vector matching unit configured to match test image base vectors used for a base representation of a test image feature quantity of a test image and normal image base vectors used for a base representation of a normal image feature quantity of a normal image, a lesion determination unit configured to determine that the test image includes an image of a lesion site when a difference between a test image base coefficient and a normal image base coefficient is greater than a threshold, the test image base coefficient being a coefficient with which the test feature quantity is transformed to the base representation, and the normal image base coefficient being a coefficient with which the normal feature quantity is transformed to the base representation, and a determination result output unit configured to output a result of the determination by the lesion determination unit. | 06-12-2014 |
20140367555 | IMAGE MEASUREMENT APPARATUS AND IMAGE MEASUREMENT METHOD - An image measurement apparatus includes: a lighting unit that emits a first narrowband light with a bandwidth (i) narrower than a bandwidth of a visible light and (ii) including a dominant wavelength of a color of a positive cell nucleus; an image obtaining unit that obtains an examination image by capturing an image of a pathologic examination specimen to which the first narrowband light is emitted; a cell nuclei extracting unit that extracts pixels of positive cell nuclei from the examination image by comparing pixel values of the examination image with a predetermined threshold; a positive proportion calculating unit that calculates a proportion of the positive cell nuclei among cell nuclei included in the pathologic examination specimen, using the pixels of the positive cell nuclei extracted by the cell nuclei extracting unit; and an output unit that outputs the proportion. | 12-18-2014 |
20150023573 | PATHOLOGICAL DIAGNOSIS SUPPORT APPARATUS AND PATHOLOGICAL DIAGNOSIS SUPPORT METHOD - A pathological diagnosis support apparatus which outputs a diagnostic region that is to be used as a target for diagnosis in a specimen image representing a specimen that is a target for pathological diagnosis, and includes: a target obtainment unit which obtains the specimen image and specimen information related to a scheme for preparing the specimen; a criterion obtainment unit which obtains a criterion corresponding to the specimen information from a database associating, for each of specimens, specimen information related to a scheme for preparing the specimen with a criterion indicating a condition of a positive rate which is to be satisfied by the diagnostic region in a specimen image; and an output unit which outputs, as the diagnostic region, each of one or more regions in the specimen image having the positive rate determined to satisfy a condition indicated by the criterion obtained by the criterion obtainment unit. | 01-22-2015 |