Ph.d.-candidate Ahmet Pala gives a seminar on self-selected topic: "Clustering with Gaussian Mixture Models and K-Means"
Time: Friday, November 01 at 10:15
Location: Auditorium 4, UiB
Ahmet Pala, a PhD student in Applied Mathematics at the University of Bergen and part of the CRIMAC project, recently participated in the National Mathematicians Meeting 2024, held at Soria Moria Hotel in Oslo.
Ocean Science specialist Kongsberg Discovery is strengthening its industry-leading EK80 echo-sounder product family with unprecedented wide-band low-frequency capability that will enable customers across Governments, Academia, and Industry to gain a much...
On June 6, 2024, CRIMAC PhD student Ahmet Pala delivered a presentation titled "Annotation-Free Feature Learning for Improved Acoustic Target Classification" at the SFI Visual Intelligence seminar.
Nils Olav Handegard held the keynote presentation at the second day of the International Conference on Marine Data and Information Systems (IMDIS) in Bergen May 27th to 29th .
Salmar Aker Ocean is a Norwegian aquaculture company listed on the Oslo Euronext. Our product is Atlantic salmon, and we have aquaculture activities in Norway, Scotland, and the Westfjords of Iceland. Salmar is the worlds second-largest producer of Atlantic...
The meeting was organized by the ICES Working Group on fisheries acoustics, science and technology. The meeting was hosted by IRD and IFREMER in Brest. The WGFAST community is an excellent venue for presenting and discussing topics related to fisheries...
The 94th Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM) was hosted by Otto von Guericke University Magdeburg. From March 18 to March 22, 2024, mathematicians, engineers, and scientists from around the world...
We published our new paper discussing a method to improve the performance of deep convolutional neural networks for acoustic target classification. Our paper addresses the challenge of class imbalance in the sampling of training and validation data, leading...
EROS AS is a fishing company based in Fosnavaag with a history going back to 1917. Todays «Eros» is the seventh carrying the same name. The vessel is a 77 metre modern pelagic trawler/purse seiner fishing for Herring, Mackerel, Capelin and Blue Whiting...
Liegruppen, located in Øygarden outside the city of Bergen has been in the fishing industry for more than 120 years. Liegruppen has throughout its history always had a strong focus on development and innovation in fisheries as well as in vessel construction....
Scantrol AS and Scantrol Deep Vision AS are located in Bergen, Norway. Scantrol has delivered control systems to trawls and cranes all over the world for more than three decades and has an extensive experience with developing technology for the marine...
Kongsberg Discovery specializes in cutting-edge technology that provides vital insights and key data about life in the oceans and ecosystem conditions. From shallow water wind farms to the deepest oceans, we offer a comprehensive range of systems for...
The University of Bergen is a world leading university in marine science and technology. UoB participates in CRIMAC with three departments: the Department of Biological Sciences, the Department of Physics and Technology, and the Department of Mathematics....
The Norwegian Computing Center (NR) conducts research and is one of Europes largest environments within statistical modeling and machine learning. We carry out research assignments for Norwegian and international business, the public sector and within...
NORCE is an independent research institute with around 750 employees that undertakes research for both the public and the private sector. NORCE has a long tradition for cooperation with IMR, UiB and KM within the topic of SFI CRIMAC, due to a strong competence...
The Institute of Marine Research is one of the largest marine research institutes in Europe with approximately one thousand employees. Our main activities are monitoring, research, and advice for the marine environment.
This cruise report describes the objectives, methods, and preliminary results from the tasks carried out at the CRIMAC SFI survey. The survey was conducted on board RV G.O. Sars between November 15th (Tromsø) and November 21st (Tromsø); in the fjords...
CRIMAC will improve and automate the interpretation of data and images from modern broadband acoustics on research vessels and fishing boats by using cruises and experimental field research, artificial intelligence, drones and inspection technology.
Norway’s fjords are ideal for studying the ocean. They’re calm, deep, have consistent populations of interesting marine creatures, and there’s still a lot to learn about them. Every year, Professor Anne Gro Vea Salvanes from @UniBergen takes students...
How do scientific broadband echosounders work, and specifically how is the acoustic echo from a target processed to provide correct and meaningful biological and ecological insight? This is detailed in a new paper published by CRIMAC research and industry...
Muriel Dunn successfully defended her PhD thesis “Advancing broadband hydroacoustic methods for ecological surveys with uncrewed vehicles in the Arctic” at Memorial University December 2023. Dr. Dunn was a PhD student at Memorial University, supervised...
We published a comprehensive review of 1000 Publications showcasing ML applications in the field. CRIMAC contributed with the review of active acoustics.
CRIMAC has available two PhD fellowships in marine acoustics, located at Department of Physics and Technology, University of Bergen (UiB), Bergen, Norway. Both PhD fellows will collaborate closely with the Ecosystem Acoustics group at Institute of Marine...
I am delighted to share my experience attending the Foundations of Computational Mathematics (FoCM) conference held in Paris, France. As the 9th edition of the conference, it follows a series of successful meetings that began with the idea of FoCM in...
Different data-preparation strategies suitable for acoustic target classification using a deep learning is tested. You will find more information here:
2021 was the first full year for SFI CRIMAC. Despite the pandemic, the center has been able to progress well. The annual report for 2021 is now published and can be accessed here (pdf).
Direct measurement of fish size is useful in fish farming, fisheries and marine research, and we have tested how broadband echosounders can be used for this purpose.
The Geilo Winter School is an annual event that provides researchers with a unique opportunity to learn from lectures, collaborate and exchange ideas and experiences. This year, the 23rd edition of the Geilo Winter School was held from January 22 - January...
Here we further develop our model of semisuperserved learning to work on pixel-based segmentation. This work is done in collaboration with the Visual Intelligence SFI. You can read more about it here
This essay outlines how we use machine learning in marine science in Norway. CRIMAC is collaborating with Visual Intelligence SFI where the Norwegian Computing centre and the University of Tromsø are partners on using machine learning on the vast amounts...
The target strength is required to estimate the abundance of mesopelagic fish. In this paper flesh shear viscosity is estimated, which is a key parameter for target strength, from in-situ broadband backscattering measurement.
Deep neural networks require a substantial amount of data for training. We have developed a new method for training deep networks for acoustic target classification with only 10 % of the training data compared to traditional methods. The work is a collaboration...
Norway has a long-standing collaboration between science, technology and fishing industry within “smart fisheries”. CRIMAC builds on this collaboration. Click to read our contribution in this special issue of Journal of Technology.
The CRIMAC centre wants the echo sounder itself to be able to distinguish between herring, mackerel, shrimps and gas emissions. Now scientists have completed their first expedition to learn the “dialect” of herring.
Kongsberg is strengthening its long-standing relationship with Norway’s Institute of Marine Research by becoming a major partner in the new CRIMAC centre – bringing industry and science together to improve the monitoring of marine ecosystems and develop...