JP2022046085A - 重要度解析装置、方法及びプログラム - Google Patents
重要度解析装置、方法及びプログラム Download PDFInfo
- Publication number
- JP2022046085A JP2022046085A JP2020151951A JP2020151951A JP2022046085A JP 2022046085 A JP2022046085 A JP 2022046085A JP 2020151951 A JP2020151951 A JP 2020151951A JP 2020151951 A JP2020151951 A JP 2020151951A JP 2022046085 A JP2022046085 A JP 2022046085A
- Authority
- JP
- Japan
- Prior art keywords
- importance
- input data
- distribution
- graph
- analysis device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004458 analytical method Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title description 20
- 238000009826 distribution Methods 0.000 claims abstract description 82
- 238000004364 calculation method Methods 0.000 claims abstract description 45
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000010801 machine learning Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 26
- 238000012545 processing Methods 0.000 description 20
- 238000010586 diagram Methods 0.000 description 18
- 238000003860 storage Methods 0.000 description 10
- 230000002950 deficient Effects 0.000 description 7
- 238000012800 visualization Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000013528 artificial neural network Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 230000006399 behavior Effects 0.000 description 3
- 201000010099 disease Diseases 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000003066 decision tree Methods 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 240000004050 Pentaglottis sempervirens Species 0.000 description 1
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 1
- 230000004397 blinking Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007637 random forest analysis Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/30—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indices; for individual health risk assessment
-
- 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
- G06F18/211—Selection of the most significant subset of features
- G06F18/2113—Selection of the most significant subset of features by ranking or filtering the set of features, e.g. using a measure of variance or of feature cross-correlation
-
- 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
- G06F18/2163—Partitioning the feature space
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N20/00—Machine learning
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/04—Architecture, e.g. interconnection topology
- G06N3/045—Combinations of networks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N5/00—Computing arrangements using knowledge-based models
- G06N5/01—Dynamic search techniques; Heuristics; Dynamic trees; Branch-and-bound
-
- 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
- G06V10/77—Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
- G06V10/7715—Feature extraction, e.g. by transforming the feature space, e.g. multi-dimensional scaling [MDS]; Mappings, e.g. subspace methods
-
- 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
- G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H30/00—ICT specially adapted for the handling or processing of medical images
- G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Evolutionary Computation (AREA)
- Data Mining & Analysis (AREA)
- General Physics & Mathematics (AREA)
- Artificial Intelligence (AREA)
- Health & Medical Sciences (AREA)
- Software Systems (AREA)
- Medical Informatics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Public Health (AREA)
- Life Sciences & Earth Sciences (AREA)
- Databases & Information Systems (AREA)
- Epidemiology (AREA)
- Multimedia (AREA)
- Bioinformatics & Computational Biology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Evolutionary Biology (AREA)
- Biomedical Technology (AREA)
- Primary Health Care (AREA)
- Computational Linguistics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Image Analysis (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
Description
Claims (16)
- 学習済みモデルと複数個の入力データとに基づいて前記複数個の入力データ各々の複数の特徴量毎の重要度を算出する重要度算出部と、
前記複数個の入力データに亘る前記複数の特徴量毎の前記重要度の分布を算出する分布算出部と、
を具備する重要度解析装置。 - 前記学習済みモデルに前記複数個の入力データ各々を適用して推定出力値を算出する推定部を更に備え、
前記分布算出部は、前記複数の推定出力値に応じて前記複数個の入力データを複数のグループに分け、前記グループ毎に前記分布を算出する、
請求項1記載の重要度解析装置。 - 前記分布算出部は、前記複数の推定出力値に閾値を適用して前記複数個の入力データを前記複数のグループに分ける、請求項2記載の重要度解析装置。
- 前記閾値は、1個である、請求項3記載の重要度解析装置。
- 前記閾値は、2個以上である、請求項3記載の重要度解析装置。
- 前記グループ毎に前記複数の特徴量毎の前記分布を表すグラフを生成し、前記グラフを表示機器に表示する表示制御部、を更に備える、請求項2記載の重要度解析装置。
- 前記グラフは、前記重要度と前記複数の特徴量とにより規定された第1のグラフであり、
前記複数の特徴量毎の前記分布は、前記重要度と前記重要度の出現度合いを示す分布値とにより規定され、前記グループ毎に生成される第2のグラフであり、
前記複数の特徴量毎の前記第2のグラフは、前記第1のグラフに前記重要度の軸の方向を一致させて並べられる、
請求項6記載の重要度解析装置。 - 前記表示制御部は、前記複数の特徴量毎の前記分布を、前記グループ間で前記分布の差が大きい順番に並べる、請求項6記載の重要度解析装置。
- 前記表示制御部は、前記複数の特徴量毎の前記分布のうち、前記グループ間での分布値の差が閾値よりも大きい前記分布を強調する、請求項6記載の重要度解析装置。
- 前記表示制御部は、前記グループ毎に異なる視覚態様で前記分布を表示する、請求項6記載の重要度解析装置。
- 前記グラフは、バイオリンプロット、ボックスプロット、ジッタープロット、スワームプロット又はリッジラインプロットである、請求項6記載の重要度解析装置。
- 前記分布算出部は、前記分布として、前記複数のデータセットに亘る前記複数の特徴量毎の前記重要度の確率密度関数を算出する、請求項1記載の重要度解析装置。
- 前記複数の特徴量毎に前記分布を表すグラフを生成し、前記グラフを表示機器に表示する表示制御部、を更に備える、請求項1記載の重要度解析装置。
- 前記学習済みモデルに前記複数個の入力データ各々を適用して前記複数の特徴量を算出する推定部を更に備える、請求項1記載の重要度解析装置。
- 学習済みモデルと複数個の入力データとに基づいて前記複数個の入力データ各々の複数の特徴量毎の重要度を算出し、
前記複数個の入力データに亘る前記複数の特徴量毎の前記重要度の分布を算出する、
ことを具備する重要度解析方法。 - コンピュータに、
学習済みモデルと複数個の入力データとに基づいて前記複数個の入力データ各々の複数の特徴量毎の重要度を算出する機能と、
前記複数個の入力データに亘る前記複数の特徴量毎の前記重要度の分布を算出する機能と、
を実現させる重要度解析プログラム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020151951A JP7419200B2 (ja) | 2020-09-10 | 2020-09-10 | 重要度解析装置、方法及びプログラム |
US17/187,374 US20220076049A1 (en) | 2020-09-10 | 2021-02-26 | Importance analysis apparatus, method, and non-transitory computer readable medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020151951A JP7419200B2 (ja) | 2020-09-10 | 2020-09-10 | 重要度解析装置、方法及びプログラム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022046085A true JP2022046085A (ja) | 2022-03-23 |
JP7419200B2 JP7419200B2 (ja) | 2024-01-22 |
Family
ID=80470726
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020151951A Active JP7419200B2 (ja) | 2020-09-10 | 2020-09-10 | 重要度解析装置、方法及びプログラム |
Country Status (2)
Country | Link |
---|---|
US (1) | US20220076049A1 (ja) |
JP (1) | JP7419200B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020026873A1 (ja) * | 2018-08-02 | 2021-08-02 | シャープ株式会社 | 表示データ生成装置、表示データ生成方法、プログラム、及び、プログラムの記録媒体 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020154615A (ja) * | 2019-03-19 | 2020-09-24 | 株式会社デンソーアイティーラボラトリ | 情報推定装置及び情報推定方法 |
-
2020
- 2020-09-10 JP JP2020151951A patent/JP7419200B2/ja active Active
-
2021
- 2021-02-26 US US17/187,374 patent/US20220076049A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020154615A (ja) * | 2019-03-19 | 2020-09-24 | 株式会社デンソーアイティーラボラトリ | 情報推定装置及び情報推定方法 |
Non-Patent Citations (2)
Title |
---|
ANDRE ALTMANN ET AL.: "Permutation importance: a corrected feature importance measure", [ONLINE], JPN7023002956, 2010, ISSN: 0005118738 * |
PROJECT CABINET BLOG: "進化形?箱ひげ図", [ONLINE], JPN7023002955, 2018, ISSN: 0005118739 * |
Also Published As
Publication number | Publication date |
---|---|
JP7419200B2 (ja) | 2024-01-22 |
US20220076049A1 (en) | 2022-03-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Fuhrman et al. | A review of explainable and interpretable AI with applications in COVID‐19 imaging | |
CN109643399B (zh) | 多类别分类器的交互式性能可视化 | |
Long et al. | Visualization and analysis of 3D microscopic images | |
WO2021093451A1 (zh) | 病理切片图像的处理方法、装置、系统及存储介质 | |
CN110419057A (zh) | 用于确定分段的混合式主动机器学习系统和方法 | |
Martins et al. | Explaining Neighborhood Preservation for Multidimensional Projections. | |
CN108426994A (zh) | 分析数字全息显微术数据以用于血液学应用 | |
CN111986189B (zh) | 一种基于ct影像的多类别肺炎筛查深度学习装置 | |
JP6480918B2 (ja) | フローサイトメトリにおける効率的なコンター及びゲーティング | |
Manninen et al. | Leukemia prediction using sparse logistic regression | |
Acosta-Mesa et al. | Application of time series discretization using evolutionary programming for classification of precancerous cervical lesions | |
JP2021002354A (ja) | 表示制御装置、表示制御方法及び表示制御プログラム | |
JP7419200B2 (ja) | 重要度解析装置、方法及びプログラム | |
Cao et al. | Untangle map: Visual analysis of probabilistic multi-label data | |
Sallam et al. | An efficient EGWO algorithm as feature selection for B-ALL diagnoses and its subtypes classification using peripheral blood smear images | |
JP6665999B2 (ja) | データ処理装置、決定木生成方法、識別装置及びプログラム | |
Ain et al. | Genetic programming for multiple feature construction in skin cancer image classification | |
CN114580501A (zh) | 骨髓细胞分类方法、系统、计算机设备及存储介质 | |
Geurts et al. | Visual comparison of 3D medical image segmentation algorithms based on statistical shape models | |
de Sousa et al. | Evolved explainable classifications for lymph node metastases | |
US20210201053A1 (en) | Visual analytics platform for updating object detection models in autonomous driving applications | |
Ma et al. | Gaussian mixture model-based target feature extraction and visualization | |
Areosa et al. | Explaining the performance of black box regression models | |
WO2018165530A1 (en) | Method of constructing a reusable low-dimensionality map of high-dimensionality data | |
Walker | Visualising multi-objective populations with treemaps |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220826 |
|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20230105 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230801 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20231002 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231129 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231212 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240110 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7419200 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |