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https://www.readbyqxmd.com/read/29791349/polarimetric-learning-a-siamese-approach-to-learning-distance-metrics-of-algal-mueller-matrix-images
#1
Xianpeng Li, Ran Liao, Hui Ma, Priscilla T Y Leung, Meng Yan
Polarimetric measurements are becoming increasingly accurate and fast to perform in modern applications. However, analysis on the polarimetric data usually suffers from its high-dimensional nature spatially, temporally, or spectrally. This paper associates polarimetric techniques with metric learning algorithms, namely, polarimetric learning, by introducing a distance metric learning method called Siamese network that aims to learn good distance metrics of algal Mueller matrix images in low-dimensional feature spaces...
May 10, 2018: Applied Optics
https://www.readbyqxmd.com/read/29788832/feline-injection-site-sarcoma-immunohistochemical-characteristics
#2
Carolina S Carneiro, Genilson F de Queiroz, Ana Cbcf Pinto, Maria Lz Dagli, Julia M Matera
Objectives Feline injection site sarcoma (FISS) is a rapid growing locally aggressive tumor with a low metastatic rate. Its histologic features are clearly defined, but there are few studies regarding its immunohistochemical characteristics. The present study investigated the immunohistochemical characteristics of 21 cases of FISS. Methods FISSs from 12 male and nine female cats, 20 mixed-breed and one Siamese, were included in the study. After histopathological diagnosis, additional histologic sections were immunostained for vimentin, cytokeratin, desmin, S100 protein, viral feline leukemia virus (FeLV) particles, cyclooxygenase 2 (COX-2) and c-KIT...
May 1, 2018: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/29763426/environmental-concentrations-of-metformin-exposure-affect-aggressive-behavior-in-the-siamese-fighting-fish-betta-splendens
#3
Ronald David MacLaren, Kathryn Wisniewski, Christina MacLaren
Metformin, the medicine most commonly prescribed for treatment of Type II diabetes, is among the most abundant pharmaceuticals being introduced into the environment. Pharmaceuticals are increasingly found in wastewater and surface waters around the world, often due to incomplete metabolism in humans and subsequent excretion in human waste. Risk analyses and exposure studies have raised concerns about potential negative impacts of pharmaceuticals at current environmental levels. Results of the present study indicate that metformin at concentrations in the range of what has been documented in freshwater systems and waste-water effluent (40 μg/L) affects aggressive behavior in adult male Betta splendens...
2018: PloS One
https://www.readbyqxmd.com/read/29728900/force-estimation-from-oct-volumes-using-3d-cnns
#4
Nils Gessert, Jens Beringhoff, Christoph Otte, Alexander Schlaefer
PURPOSE: Estimating the interaction forces of instruments and tissue is of interest, particularly to provide haptic feedback during robot-assisted minimally invasive interventions. Different approaches based on external and integrated force sensors have been proposed. These are hampered by friction, sensor size, and sterilizability. We investigate a novel approach to estimate the force vector directly from optical coherence tomography image volumes. METHODS: We introduce a novel Siamese 3D CNN architecture...
May 4, 2018: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29661119/combined-fatal-systemic-chlamydia-sp-and-aeromonas-sobria-infection-in-juvenile-siamese-crocodiles-crocodylus-siamensis
#5
Pacharee Thongkamkoon, Nopporn Tohmee, Erin K Morris, Laksanee Inamnuay, Eric D Lombardini
Chlamydial infections in crocodiles have been described in several countries and in several different species. These are typically associated with severe pharyngitis and conjunctivitis, with death occurring secondary to compromise of the upper respiratory tract due to obstruction of the trachea. A population of ranched Siamese crocodiles in central Thailand experienced an epizootic of sudden death in juvenile animals. The affected animals had fulminant systemic disease primarily involving the liver and spleen but also affecting the kidneys, heart, and the whole of the respiratory tract...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29603077/minimal-water-volume-for-intensively-producing-male-siamese-fighting-fish-betta-splendens-regan-1910
#6
Suktianchai Saekhow, Karun Thongprajukaew, Wutiporn Phromkunthong, Harit Sae-Khoo
Water volume is a key parameter affecting the individual rearing of male Siamese fighting fish (Betta splendens Regan, 1910). In this study, minimization of water volume was pursued by assessing growth, feed utilization, digestive enzyme activities, color coordinates, muscle quality, and carcass composition. One-month-old solid-red male fish (0.97 ± 0.01 g initial body weight) were distributed individually into glass aquaria with five alternative water volumes (100, 150, 200, 250, and 300 mL), comprising 15 fish per treatment (n = 15), over 8 weeks duration...
March 30, 2018: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/29516863/survival-rates-and-the-occurrence-of-larval-malformations-including-siamese-twins-following-fertilization-of-post-ovulatory-aged-oocytes-in-ide-leuciscus-idus
#7
Joanna Nowosad, Mateusz Sikora, Dariusz Kucharczyk
Embryonic development of lower vertebrates can be influenced by many factors, especially when outside of the mother's body and under the influence of variable abiotic and biotic factors. In this study, the effects of fertilization of post-ovulatory aged (overmature) oocytes of ide Leuciscus idus on the risk of developing anomalies in ide larvae were assessed under controlled conditions. There was a negative effect of delayed fertilization of post-ovulatory aged (overmature) oocytes in the ovary on the quality of offspring, which caused reduced survival 3 days post-fertilization and at the hatching stage (68...
March 5, 2018: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/29513748/dependency-based-siamese-long-short-term-memory-network-for-learning-sentence-representations
#8
Wenhao Zhu, Tengjun Yao, Jianyue Ni, Baogang Wei, Zhiguo Lu
Textual representations play an important role in the field of natural language processing (NLP). The efficiency of NLP tasks, such as text comprehension and information extraction, can be significantly improved with proper textual representations. As neural networks are gradually applied to learn the representation of words and phrases, fairly efficient models of learning short text representations have been developed, such as the continuous bag of words (CBOW) and skip-gram models, and they have been extensively employed in a variety of NLP tasks...
2018: PloS One
https://www.readbyqxmd.com/read/29510529/deep-spatial-temporal-joint-feature-representation-for-video-object-detection
#9
Baojun Zhao, Boya Zhao, Linbo Tang, Yuqi Han, Wenzheng Wang
With the development of deep neural networks, many object detection frameworks have shown great success in the fields of smart surveillance, self-driving cars, and facial recognition. However, the data sources are usually videos, and the object detection frameworks are mostly established on still images and only use the spatial information, which means that the feature consistency cannot be ensured because the training procedure loses temporal information. To address these problems, we propose a single, fully-convolutional neural network-based object detection framework that involves temporal information by using Siamese networks...
March 4, 2018: Sensors
https://www.readbyqxmd.com/read/29501548/male-preference-for-conspecific-mates-is-stronger-than-females-in-betta-splendens
#10
Kevin T Justus, Tamra C Mendelson
The higher energetic cost related to female gamete investment is classically considered the driving force behind sexual selection. This asymmetric cost of reproduction is thought to cause female preference for elaborate male ornamentation. Subsequent co-evolution of female preferences and male ornaments is thought then to lead to a greater preference for conspecific mates in females as compared to males. Thus, female choice is classically assumed to contribute more than male choice to behavioral isolation between sexually dimorphic species...
June 2018: Behavioural Processes
https://www.readbyqxmd.com/read/29472278/siamese-related1-is-regulated-posttranslationally-and-participates-in-repression-of-leaf-growth-under-moderate-drought
#11
Marieke Dubois, Katia Selden, Alexis Bediée, Gaëlle Rolland, Nicolas Baumberger, Sandra Noir, Lien Bach, Geneviève Lamy, Christine Granier, Pascal Genschik
The plant cell cycle is tightly regulated by factors that integrate endogenous cues and environmental signals to adapt plant growth to changing conditions. Under drought, cell division in young leaves is blocked by an active mechanism, reducing the evaporative surface and conserving energy resources. The molecular function of cyclin-dependent kinase-inhibitory proteins (CKIs) in regulating the cell cycle has already been well studied, but little is known about their involvement in cell cycle regulation under adverse growth conditions...
April 2018: Plant Physiology
https://www.readbyqxmd.com/read/29406595/tritrichomonas-foetus-and-mycoplasma-felis-coinfection-in-the-upper-respiratory-tract-of-a-cat-with-chronic-purulent-discharge
#12
Luca Pazzini, Linda Mugnaini, Francesca Mancianti, Lorenzo Ressel
A 5-year-old indoor male neutered Siamese cat was presented with clinical signs of sneezing and chronic bilateral purulent nasal discharge. Multiple nasal cavity swabs were submitted for bacterial cultures, Mycoplasma felis-DNA qPCR, and cytology. M felisqPCR was positive and cytomorphologic diagnosis was severe, acute, purulent, rhinitis with intralesional protozoal microorganisms consistent with a Trichomonas spp. Nested PCR (nPCR) confirmed the diagnosis of Tritrichomonas foetus. Systemic therapy with doxycycline for M felis and metronidazole for T foetus was started with remission of clinical signs within 2 weeks; however, symptoms relapsed shortly after therapy was discontinued...
February 6, 2018: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/29404933/learning-efficient-spatial-temporal-gait-features-with-deep-learning-for-human-identification
#13
Wu Liu, Cheng Zhang, Huadong Ma, Shuangqun Li
The integration of the latest breakthroughs in bioinformatics technology from one side and artificial intelligence from another side, enables remarkable advances in the fields of intelligent security guard computational biology, healthcare, and so on. Among them, biometrics based automatic human identification is one of the most fundamental and significant research topic. Human gait, which is a biometric features with the unique capability, has gained significant attentions as the remarkable characteristics of remote accessed, robust and security in the biometrics based human identification...
February 6, 2018: Neuroinformatics
https://www.readbyqxmd.com/read/29381837/ossification-pattern-in-forelimbs-of-the-siamese-crocodile-crocodylus-siamensis-similarity-in-ontogeny-of-carpus-among-crocodylian-species
#14
Martina Gregorovičová, Alena Kvasilová, David Sedmera
Crocodylians have highly derived elongated carpus, which is related to their use of forelimbs in many types of gaits as well as in burrowing. The objective of present study was to describe the ossification of the forelimb in five stages of Siamese crocodile (Crocodylus siamensis). The ossification begins approximately at stage 20 in arm and forearm bones moving sequentially to the metacarpal elements. The first carpal elements with ossification centers are radiale + intermedium and ulnare (stage 22-23), and their ossification mode is typical of long bones...
January 30, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29379060/automatic-knee-osteoarthritis-diagnosis-from-plain-radiographs-a-deep-learning-based-approach
#15
Aleksei Tiulpin, Jérôme Thevenot, Esa Rahtu, Petri Lehenkari, Simo Saarakkala
Knee osteoarthritis (OA) is the most common musculoskeletal disorder. OA diagnosis is currently conducted by assessing symptoms and evaluating plain radiographs, but this process suffers from subjectivity. In this study, we present a new transparent computer-aided diagnosis method based on the Deep Siamese Convolutional Neural Network to automatically score knee OA severity according to the Kellgren-Lawrence grading scale. We trained our method using the data solely from the Multicenter Osteoarthritis Study and validated it on randomly selected 3,000 subjects (5,960 knees) from Osteoarthritis Initiative dataset...
January 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29368903/-anesthesic-management-during-total-organic-separation-of-pygopagus-conjoined-twins
#16
Mayra Lizeth Nava-Martínez, Enriqueta Macias-Miranda, Karla Guadalupe Lozada-Rosete, Juan José Dosta-Herrera
BACKGROUND: Conjoined twins are among the most rare and challenging congenital malformations. The incidence varies from 1:30 000 to 1:200 000 live births. Pygopagus twins account for about 10 to 18% of all conjoined twins. CLINICAL CASE: We report the case of male conjoined pygopagus twins. They shared medullary canal, anal canal and sacrococcygeal region, without any degree of cross circulation. At the moment of the surgery, twin 1 had congenital heart disease without medical treatment...
January 2018: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29366512/risky-business-changes-in-boldness-behavior-in-male-siamese-fighting-fish-betta-splendens-following-exposure-to-an-antiandrogen
#17
Teresa L Dzieweczynski, Kelley B Portrais, Megan A Stevens, Jessica L Kane, Jaslynn M Lawrence
Components of boldness, such as activity level and locomotion, influence an individual's ability to avoid predators and acquire resources, generating fitness consequences. The presence of endocrine disrupting chemicals (EDCs) in the aquatic environment may affect fitness by changing morphology or altering behaviors like courtship and exploration. Most research on EDC-generated behavioral effects has focused on estrogen mimics and reproductive endpoints. Far fewer studies have examined the effects of other types of EDCs or measured non-reproductive behaviors...
April 2018: Environmental Pollution
https://www.readbyqxmd.com/read/29278772/metric-learning-with-spectral-graph-convolutions-on-brain-connectivity-networks
#18
Sofia Ira Ktena, Sarah Parisot, Enzo Ferrante, Martin Rajchl, Matthew Lee, Ben Glocker, Daniel Rueckert
Graph representations are often used to model structured data at an individual or population level and have numerous applications in pattern recognition problems. In the field of neuroscience, where such representations are commonly used to model structural or functional connectivity between a set of brain regions, graphs have proven to be of great importance. This is mainly due to the capability of revealing patterns related to brain development and disease, which were previously unknown. Evaluating similarity between these brain connectivity networks in a manner that accounts for the graph structure and is tailored for a particular application is, however, non-trivial...
April 1, 2018: NeuroImage
https://www.readbyqxmd.com/read/29204289/successful-treatment-of-tracheal-lymphoma-in-a-siamese-cat
#19
Laura Bataller, Alice Tamborini, Henry L'Eplattenier, Slavka Necova, Elise Robertson
Case summary: An 8-year-old female spayed Siamese indoor cat presented with a 3 week history of inspiratory dyspnoea, stridor and open-mouth breathing after exercise. Laryngoscopy, tracheoscopy, bronchoscopy and retroflexed nasopharyngoscopy were performed, and identified a multilobulated intraluminal mass within the trachea. Brush cytology was performed on the mass but was inconclusive in providing a definitive diagnosis. A CT scan of the neck failed to identify an obvious intraluminal mass and was negative to contrast uptake...
July 2017: JFMS Open Reports
https://www.readbyqxmd.com/read/29168058/analysis-of-siamese-crocodile-crocodylus-siamensis-eggshell-proteome
#20
Ivan Mikšík, Statis Paradis, Adam Eckhardt, David Sedmera
The proteins and pigment of the eggshell of the Siamese crocodile (Crocodylus siamensis) were analysed. For proteomic analysis, various decalcification methods were used when the two main surface layers were analyzed. These layers are important for antimicrobial defense of egg (particularly the cuticle). We found 58 proteins in both layers, of which 4 were specific for the cuticle and 26 for the palisade (honeycomb) layer. Substantial differences between proteins in the eggshell of crocodile and previously described birds' eggshells exist (both in terms of quality and quantity), however, the entire proteome of Crocodilians has not been described yet...
February 2018: Protein Journal
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