JP7398764B1 - 魚体長計測方法 - Google Patents
魚体長計測方法 Download PDFInfo
- Publication number
- JP7398764B1 JP7398764B1 JP2023020495A JP2023020495A JP7398764B1 JP 7398764 B1 JP7398764 B1 JP 7398764B1 JP 2023020495 A JP2023020495 A JP 2023020495A JP 2023020495 A JP2023020495 A JP 2023020495A JP 7398764 B1 JP7398764 B1 JP 7398764B1
- Authority
- JP
- Japan
- Prior art keywords
- fish
- fisheye
- size
- image
- species
- 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.)
- Active
Links
- 238000000691 measurement method Methods 0.000 title description 3
- 241000251468 Actinopterygii Species 0.000 claims abstract description 184
- 238000000034 method Methods 0.000 claims abstract description 46
- 238000010191 image analysis Methods 0.000 claims abstract description 16
- 241000894007 species Species 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 abstract description 4
- 235000019688 fish Nutrition 0.000 description 127
- 230000008569 process Effects 0.000 description 38
- 238000003384 imaging method Methods 0.000 description 16
- 238000000605 extraction Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 238000013528 artificial neural network Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009182 swimming Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000037237 body shape Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000008589 Obesity Diseases 0.000 description 1
- 241001282110 Pagrus major Species 0.000 description 1
- 241001600434 Plectroglyphidodon lacrymatus Species 0.000 description 1
- 241001529596 Pontinus kuhlii Species 0.000 description 1
- 241000269851 Sarda sarda Species 0.000 description 1
- 241001147168 Scomber australasicus Species 0.000 description 1
- 241000276699 Seriola Species 0.000 description 1
- 241001417495 Serranidae Species 0.000 description 1
- 241000722085 Synanceia horrida Species 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010801 machine learning Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000020824 obesity Nutrition 0.000 description 1
- 210000004894 snout Anatomy 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Farming Of Fish And Shellfish (AREA)
Abstract
Description
取得された前記画像を解析して前記対象魚の魚種及び魚眼サイズを求める画像解析ステップと、
魚種別に魚眼サイズと魚体長の関係を表す情報が格納されたデータベースに対して、前記画像解析ステップによって求められた前記魚種及び前記魚眼サイズを入力して前記対象魚の魚体長を推定する魚体長推定ステップと
を有する魚体長測定方法である。
空間解像度(mm)=カメラと被写体の距離(mm)xtan(画角/2)x(2/画素数)
一例として、画像サイズが1920x1080で、横画角が62.2度の撮像装置では、1m離した距離における空間解像度は、約0.6(mm)となる。
Claims (1)
- 対象魚の魚種の判別が可能な情報及び該対象魚の魚眼が含まれている画像を取得する画像取得ステップと、
取得された前記画像を解析して前記対象魚の魚種及び魚眼サイズを求める画像解析ステップと、
魚種別に魚眼サイズと魚体長の関係を表す情報が格納されたデータベースに対して、前記画像解析ステップによって求められた前記魚種及び前記魚眼サイズを入力して前記対象魚の魚体長を推定する魚体長推定ステップと
を有する魚体長測定方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023020495A JP7398764B1 (ja) | 2022-07-29 | 2023-02-14 | 魚体長計測方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022121405A JP7237321B1 (ja) | 2022-07-29 | 2022-07-29 | 魚体長計測装置 |
JP2023020495A JP7398764B1 (ja) | 2022-07-29 | 2023-02-14 | 魚体長計測方法 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022121405A Division JP7237321B1 (ja) | 2022-07-29 | 2022-07-29 | 魚体長計測装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP7398764B1 true JP7398764B1 (ja) | 2023-12-15 |
JP2024018892A JP2024018892A (ja) | 2024-02-08 |
Family
ID=85513825
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022121405A Active JP7237321B1 (ja) | 2022-07-29 | 2022-07-29 | 魚体長計測装置 |
JP2023020495A Active JP7398764B1 (ja) | 2022-07-29 | 2023-02-14 | 魚体長計測方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022121405A Active JP7237321B1 (ja) | 2022-07-29 | 2022-07-29 | 魚体長計測装置 |
Country Status (1)
Country | Link |
---|---|
JP (2) | JP7237321B1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020022309A1 (ja) | 2018-07-24 | 2020-01-30 | 日本電気株式会社 | 計測装置、計測システム、計測方法およびプログラム記憶媒体 |
CN111127396A (zh) | 2019-11-21 | 2020-05-08 | 中国农业大学 | 鱼类重量测算方法及装置 |
CN111640152A (zh) | 2020-05-21 | 2020-09-08 | 浙江大学 | 一种鱼类生长监控方法和系统 |
CN112465778A (zh) | 2020-11-26 | 2021-03-09 | 江苏国和智能科技有限公司 | 一种水下鱼群观测装置及方法 |
-
2022
- 2022-07-29 JP JP2022121405A patent/JP7237321B1/ja active Active
-
2023
- 2023-02-14 JP JP2023020495A patent/JP7398764B1/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020022309A1 (ja) | 2018-07-24 | 2020-01-30 | 日本電気株式会社 | 計測装置、計測システム、計測方法およびプログラム記憶媒体 |
CN111127396A (zh) | 2019-11-21 | 2020-05-08 | 中国农业大学 | 鱼类重量测算方法及装置 |
CN111640152A (zh) | 2020-05-21 | 2020-09-08 | 浙江大学 | 一种鱼类生长监控方法和系统 |
CN112465778A (zh) | 2020-11-26 | 2021-03-09 | 江苏国和智能科技有限公司 | 一种水下鱼群观测装置及方法 |
Also Published As
Publication number | Publication date |
---|---|
JP2024018218A (ja) | 2024-02-08 |
JP2024018892A (ja) | 2024-02-08 |
JP7237321B1 (ja) | 2023-03-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11627726B2 (en) | System and method of estimating livestock weight | |
KR101167567B1 (ko) | 어류 모니터링을 위한 영상감시장치 및 방법 | |
CN104949617B (zh) | 用于对象包装的对象三维尺寸估测系统及方法 | |
EP4310800A3 (en) | Detection of pathologies in ocular images | |
KR20190068266A (ko) | 영상을 이용한 가축 무게 측정 장치 및 방법 | |
JP6304244B2 (ja) | 3次元形状計測装置、3次元形状計測方法及び3次元形状計測プログラム | |
CN106885622A (zh) | 一种大视场多点三维振动测量方法 | |
KR102493984B1 (ko) | 심층신경망을 이용한 어류 성장 측정 시스템 | |
JP7006776B2 (ja) | 分析装置、分析方法、プログラムおよび水中生物監視システム | |
KR20190030082A (ko) | 패턴인식 기반의 가금류 무게측정 시스템 및 방법 | |
JP7074185B2 (ja) | 特徴推定装置および特徴推定方法、プログラム | |
CN113591592B (zh) | 水上目标识别方法、装置、终端设备及存储介质 | |
CN113989353A (zh) | 一种猪只背膘厚度测定方法及系统 | |
CN110349206B (zh) | 一种人体对称性检测的方法和相关装置 | |
Voskakis et al. | Deep learning based fish length estimation. An application for the Mediterranean aquaculture | |
Jones et al. | The use of towed camera platforms in deep-water science | |
EP3769036B1 (en) | Method and system for extraction of statistical sample of moving fish | |
CN115100688A (zh) | 一种基于深度学习的鱼类资源快速识别方法和系统 | |
JP7398764B1 (ja) | 魚体長計測方法 | |
EP4354394A3 (en) | Camera tracking system for computer assisted surgery navigation | |
JP2021125876A5 (ja) | ||
JP7427615B2 (ja) | 情報処理装置、情報処理方法およびプログラム | |
Growcott et al. | Development and assessment of a digital stereo photogrammetric system to measure cetaceans at sea | |
Drap et al. | UNDERWATER PHOTOGRAMMETRY, CODED TARGET AND PLENOPTIC TECHNOLOGY: A SET OF TOOLS FOR MONITORING RED CORAL IN MEDITERRANEAN SEA IN THE FRAMEWORK OF THE” PERFECT” PROJECT | |
Zhao et al. | A Study on the Whole-skin Peeling System of a Snakehead Based on Three-dimensional Reconstruction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230214 |
|
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: 20231114 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231127 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7398764 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313117 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |