IoT and AI Verification Tests for Sojitz Tuna Farm Takashima’s Fishery Business

- Memorandum Concluded with NTT DOCOMO and Information Services International-Dentsu -

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Aug. 8, 2017
Sojitz Corporation

Sojitz Corporation has signed a memorandum with NTT DOCOMO, INC. (“NTT DOCOMO”) and Information Services International-Dentsu, Ltd. (“ISID”) through Sojitz’s subsidiary Sojitz Tuna Farm Takashima (“STFT”), to conduct tests verifying the use of IoT and AI in improving efficiency within their tuna fishery business. They will begin testing feed optimization with NTT DOCOMO and automated fish-counting technologies with ISID.

STFT buys juvenile tuna, shipping them as adults after 3 years of maturation in an ocean pen. As conditions inside the pen can change dramatically by the day, STFT must determine feeding amounts, methods, and timing accordingly. They currently do this based on experience alone, and this has led STFT to seek ways of raising accuracy for these aspects of the feeding process.

Now with NTT DOCOMO’s assistance, STFT will introduce sensors equipped with IoT technology to obtain readings on water temperature and other data, visualize that data using an application, and utilize AI to fully analyze correlation and relationships between data. In this way, they aim to figure out the optimal conditions for raising tuna in the wild, optimize feed amounts and timing, and improve the pen environment.

Additionally, STFT will work with ISID to more efficiently and accurately ascertain the number of fish present at the farm, creating an automated fish counting system using deep learning-based image analysis technology. STFT needs to know the number of fish in order to decide feeding amounts, raising methods, shipment loads, and shipment timing, as well as raise productivity, cut costs, and estimate sales. Presently, STFT relies on video cameras to count the fish, and they have been struggling with how to reduce labor and raise accuracy. STFT hopes this automated counting technology will solve both of these problems.

Through these verification tests, Sojitz aims to better visualize STFT’s tuna-raising expertise through the use of IoT and AI, developing systems with NTT DOCOMO and ISID to raise efficiency of their aquaculture business and contribute to the advancement of Japan’s fishery industry.

 

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NTT DOCOMO, INC. – Company Overview

Established 1991
Head Office
11-1, Nagatacho 2-chome, Chiyoda-ku, Tokyo
Sanno Park Tower
Representative Director Kazuhiro Yoshizawa, President & CEO
Main business Communications business, “smart life”

Information Services International-Dentsu, Ltd. – Company Overview

Established 1975
Head Office
17-1, Konan 2-chome, Minato-ku, Tokyo
Representative Director Setsuo Kamai, President & CEO
Main business Consulting services; custom system development; sales and support of software; outsourcing, operation and maintenance services; IT equipment sales and others

Sojitz Tuna Farm Takashima – Company Overview

Established 2008
Head Office
801-4, Mukae, Aouuramen-aza, Takashima-cho, Matsuura City, Nagasaki
Representative Director Hiroyuki Oonishi, President
Main Business Tuna farming

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