CN104361318B - A kind of medical diagnosis on disease accessory system based on diffusion tensor technology - Google Patents
A kind of medical diagnosis on disease accessory system based on diffusion tensor technology Download PDFInfo
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- CN104361318B CN104361318B CN201410627555.9A CN201410627555A CN104361318B CN 104361318 B CN104361318 B CN 104361318B CN 201410627555 A CN201410627555 A CN 201410627555A CN 104361318 B CN104361318 B CN 104361318B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/74—Image or video pattern matching; Proximity measures in feature spaces
- G06V10/75—Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video features; Coarse-fine approaches, e.g. multi-scale approaches; using context analysis; Selection of dictionaries
- G06V10/757—Matching configurations of points or features
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/214—Generating training patterns; Bootstrap methods, e.g. bagging or boosting
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
- G06F18/2413—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on distances to training or reference patterns
- G06F18/24133—Distances to prototypes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/24765—Rule-based classification
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/03—Recognition of patterns in medical or anatomical images
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/03—Recognition of patterns in medical or anatomical images
- G06V2201/032—Recognition of patterns in medical or anatomical images of protuberances, polyps nodules, etc.
Abstract
Description
Claims (4)
- A kind of 1. medical diagnosis on disease accessory system based on diffusion tensor technology, it is characterised in that:Including image preprocessing mould Block, expertise library module, tensor study module and diagnostic result output module;Described image pretreatment module is for disperse Collection, dispersion tensor image weight registration and the dispersion tensor image characteristics extraction of spirogram picture;The expertise library module is used In the expert knowledge library for establishing brain and spinal cord relevant disease;The tensor study module is used to utilize expert knowledge library and tensor The training of tensor disaggregated model is carried out to dispersion tensor image for learning algorithm and tensor disaggregated model optimizes and test;The diagnosis As a result output module is used to export diagnostic result;Wherein:The tensor study module includes tensor disaggregated model training unit and tensor disaggregated model optimization unit;It is described Tensor disaggregated model training unit is used to support tensor machine to carry out dispersion tensor image using expert knowledge library and optimal projection Tensor disaggregated model training;The tensor disaggregated model optimization unit is used to carry out the optimization of tensor disaggregated model and test;The tensor disaggregated model training is specially:Tensor machine is supported to enter row mode to dispersion tensor image and know based on optimal projection Not, optimal projection of the image on boundary direction is found, and passes through and maximizes after projection between the class of sample matrix in matrix and class The ratio between distribution calculate optimal projection vector, it is described to calculate optimal projection vector and specifically include:Matrix S between calculating classb With matrix S in classwMaximum the max [(V of the ratio between distributionTSbV)/(VTSwV)], the optimal projection on first boundary direction is solved Vector v;Training sample is projected by v, quadratic programming problem is solved, similarly tries to achieve the optimal projection on second boundary direction Vector;With scatter matrix definition projection coefficient of dispersion R=Tr (S in scatter matrix between class and classb×Sb T)/Tr(Sw×Sw T), R generations Separating degree of the table training sample after the projection of optimal projection vector between sample, R values are bigger to represent training sample after projection Distance is bigger between sample;The tensor disaggregated model optimization includes:With reference to multilinear algebra operation rule, for flow data feature, optimal projection Support tensor machine to be generalized to online form, and the inequality constraints in optimization problem is converted into equality constraint.
- 2. the medical diagnosis on disease accessory system according to claim 1 based on diffusion tensor technology, it is characterised in that institute Stating image pre-processing module includes image acquisition units, image registration unit and feature extraction unit;Described image collecting unit is used to gather dispersion tensor image;Described image registration unit is used to carry out the dispersion tensor image registration based on tensor similarity, then carries out being based on scalar phase Like the dispersion tensor image registration of degree;The feature extraction unit is used for the polyteny core principle component analysis method based on tensor algebra and carries out dispersion tensor image Feature extraction and dimensionality reduction.
- 3. the medical diagnosis on disease accessory system according to claim 2 based on diffusion tensor technology, it is characterised in that institute The feature extraction and dimensionality reduction for stating dispersion tensor image be specially:Appropriate kernel function is chosen first to be mapped to each initial data Feature space;Again by tensor product by all Feature Mappings to multilinear subspace so that each subspace can capture The amount of variability of most of orthogonal multidimensional;According to minimum, alternately square principle, calculating solve new feature.
- 4. the medical diagnosis on disease accessory system according to claim 1 based on diffusion tensor technology, it is characterised in that institute Stating tensor disaggregated model training also includes:Tensor machine is supported to analyze two kinds of projection schemes and be based on optimal projection:Each subclassification The training sample of device is all to same direction projection, or each sub-classifier determines different projection vectors, then trains sample This is respectively to projecting on respective projection vector direction.
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Families Citing this family (13)
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CN104715260B (en) * | 2015-03-05 | 2016-06-01 | 中南大学 | Based on the multi-modal fusion image classification method of RLS-ELM |
CN104866713B (en) * | 2015-05-12 | 2018-02-13 | 南京霁云信息科技有限公司 | Locally differentiate the Kawasaki disease and fever diagnostic system of subspace insertion based on increment |
CN105184794B (en) * | 2015-09-07 | 2018-04-17 | 中国科学院深圳先进技术研究院 | A kind of CSM Computer Aided Analysis Systems and method based on tensor image |
CN105654110A (en) * | 2015-12-04 | 2016-06-08 | 深圳先进技术研究院 | Supervised learning optimization method under tensor mode and system thereof |
SG11201609625WA (en) * | 2015-12-04 | 2017-07-28 | Shenzhen Inst Of Adv Tech Cas | Optimization method and system for supervised learning under tensor mode |
TWI639830B (en) * | 2017-03-17 | 2018-11-01 | 長庚大學 | Method for identifying neurological diseases using magnetic resonance imaging images |
CN107330267A (en) * | 2017-06-28 | 2017-11-07 | 首都医科大学宣武医院 | Utilize the white matter fiber brain map construction method of diffusion tensor medical image |
CN107590806B (en) * | 2017-09-19 | 2021-06-01 | 陈烨 | Detection method and system based on brain medical imaging |
CN108198622A (en) * | 2018-01-30 | 2018-06-22 | 上海蓬海涞讯数据技术有限公司 | The system that disease complexity quantitatively evaluating is realized based on computer software |
CN108320804A (en) * | 2018-01-30 | 2018-07-24 | 上海蓬海涞讯数据技术有限公司 | The method for realizing disease complexity quantitatively evaluating based on disease fault network complexity evaluation system |
CN109978871B (en) * | 2019-03-30 | 2021-06-25 | 西安电子科技大学 | Fiber bundle screening method integrating probability type and determination type fiber bundle tracking |
CN110993094B (en) * | 2019-11-19 | 2023-05-23 | 中国科学院深圳先进技术研究院 | Intelligent auxiliary diagnosis method and terminal based on medical image |
CN111081372B (en) * | 2019-12-14 | 2023-06-20 | 中国科学院深圳先进技术研究院 | Disease diagnosis device, terminal device, and computer-readable storage medium |
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Inventor after: Wang Shuqiang Inventor after: Tan Weiqi Inventor after: Shen Yanyan Inventor after: Hu Jinxing Inventor after: Yin Ling Inventor after: Zeng Chunxia Inventor before: Wang Shuqiang Inventor before: Hu Yong Inventor before: Tan Weiqi Inventor before: Shen Yanyan Inventor before: Hu Jinxing Inventor before: Yin Ling Inventor before: Zeng Chunxia |
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