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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5769980 | PMC |
| http://dx.doi.org/10.18632/oncoscience.374 | DOI Listing |
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Are comparable studies really comparable? Suggestions from a problem-solving experiment on urban and rural great tits.
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Department of Biology, Lund University, Lund, S-223 62, Sweden.
Performance in tests of various cognitive abilities has often been compared, both within and between species. In intraspecific comparisons, habitat effects on cognition has been a popular topic, frequently with an underlying assumption that urban animals should perform better than their rural conspecifics. In this study, we tested problem-solving ability in great tits Parus major, in a string-pulling and a plug-opening test.
View Article and Find Full Text PDFCrowd counting models in highly congested areas confront two main challenges: weak localization ability and difficulty in differentiating between foreground and background, leading to inaccurate estimations. The reason is that objects in highly congested areas are normally small and high-level features extracted by convolutional neural networks are less discriminative to represent small objects. To address these problems, we propose a learning discriminative features framework for crowd counting, which is composed of a masked feature prediction module (MPM) and a supervised pixel-level contrastive learning module (CLM).
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The purpose of this report is to describe via a case example an efficient mechanical thrombectomy technique for hemodialysis access thrombosis using the InThrill Thrombectomy System (Inari Medical, Irvine, CA). A man in his late 60s with end-stage renal disease and a thrombosed femoral arteriovenous graft (AVG) underwent a thrombectomy procedure to remove all thrombotic material including the arterial plug and restore use of the graft for hemodialysis. The InThrill Thrombectomy System used in this procedure consists of a mechanical thrombectomy catheter with a wall-apposing coring element and a sheath with a retractable funnel and aspiration port.
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Objectives: Outbreaks of infection related to flexible endoscopes are well described. However, flexible endoscopy also requires the use of ancillary equipment such as irrigation plugs. These are potential vectors of infection but are infrequently highlighted in the literature.
View Article and Find Full Text PDFArticle Synopsis
- Improving boundary segmentation in semantic segmentation is challenging due to unclear boundary cues in feature spaces of existing methods.
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- Extensive experiments on datasets like ADE20K, Cityscapes, and Pascal Context show that integrating CBL into popular segmentation networks significantly boosts their performance in terms of mean Intersection over Union (mIoU) and boundary F-score.
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