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Fish-Finder: A robust small target detection method for aquaculture fish in low-quality underwater images.
J Fish Biol
November 2024
College of Information Engineering, Dalian Ocean University, Dalian, China.
Underwater fish object detection serves as a pivotal research direction in marine biology, aquaculture management, and computer vision, yet it poses substantial challenges due to the complexity of underwater environments, occultations, and the small-sized and frequently moving fish in aquaculture. Addressing these challenges, we propose a novel underwater fish object detection algorithm named Fish-Finder. First, we engendered a structure titled "C2fBF," utilizing the dual-path routing attention protocol of BiFormer.
View Article and Find Full Text PDFUnveiling the ventral morphology of a rare early Cambrian great appendage arthropod from the Chengjiang biota of China.
BMC Biol
April 2024
Yunnan Key Laboratory for Palaeobiology, Yunnan University, 2 North Cuihu Road, Kunming, 650091, People's Republic of China.
Article Synopsis
- The study focuses on Tanglangia longicaudata, an early Cambrian arthropod, using advanced μCT and 3D rendering techniques to explore its anatomy, a species previously poorly understood.
- Key findings reveal the species has unique appendages and head structure, showing both distinct features and similarities with other early euarthropods, contributing to a broader understanding of arthropod evolution.
- The research also clarifies previous studies on the species by correcting errors in identification and description, enhancing the overall knowledge of the Megacheira group.
Breaking Barriers: Exploring Neurotransmitters through In Vivo vs. In Vitro Rivalry.
Sensors (Basel)
January 2024
Department Electrical Engineering, Université Laval, Québec, QC G1V 0A6, Canada.
Neurotransmitter analysis plays a pivotal role in diagnosing and managing neurodegenerative diseases, often characterized by disturbances in neurotransmitter systems. However, prevailing methods for quantifying neurotransmitters involve invasive procedures or require bulky imaging equipment, therefore restricting accessibility and posing potential risks to patients. The innovation of compact, in vivo instruments for neurotransmission analysis holds the potential to reshape disease management.
View Article and Find Full Text PDFTwo new species of dwarf rainbowfishes (Atheriniformes: Melanotaeniidae) from northern Australia and southern New Guinea.
Zootaxa
November 2019
Museum and Art Gallery of the Northern Territory, PO Box 4646, Darwin, Northern Territory 0801, Australia..
The 'maccullochi species group' of rainbowfishes are small and distinctly patterned freshwater fishes of streams and swamps, comprising around eight species. The species from which the group bears its name, Melanotaenia maccullochi Ogilby, 1915, has been thought to comprise three forms occurring in distinct geographic areas, and recent mitochondrial genetic data provides matching patterns of likely inter-specific divergence. Here we undertake a detailed investigation of the taxonomic status of M.
View Article and Find Full Text PDFA 65-nm CMOS Lossless Bio-Signal Compression Circuit With 250 FemtoJoule Performance Per Bit.
IEEE Trans Biomed Circuits Syst
October 2019
A 65 nm CMOS integrated circuit implementation of a bio-physiological signal compression device is presented, reporting exceptionally low power, and extremely low silicon area cost, relative to state-of-the-art. A novel 'xor-log2-sub-band' data compression scheme is evaluated, achieving modest compression, but with very low resource cost. With the intent to design the 'simplest useful compression algorithm', the outcome is demonstrated to be very favourable where power must be saved by trading off compression effort against data storage capacity, or data transmission power, even where more complex algorithms can deliver higher compression ratios.
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