Filters








132,691 Hits in 1.3 sec

Computing with Capsules [chapter]

Jean-Baptiste Jeannin, Dexter Kozen
2012 Lecture Notes in Computer Science  
Capsules provide an algebraic representation of the state of a computation in higher-order functional and imperative languages.  ...  One can give an operational semantics based on capsules for a higher-order programming language with functional and imperative features, including mutable bindings.  ...  Introduction Capsules provide an algebraic representation of the state of a computation in higher-order functional and imperative programming languages.  ... 
doi:10.1007/978-3-642-31623-4_1 fatcat:5ed2n54nxrhnjjkamkja6lf3ba

Computer-Aided Detection of Gastrointestinal Disorders with Endoscopy Capsule Images

Diogo D., Moreira R., Gonçalves G., Faria L.
2015 Journal of Public Health Frontier  
The endoscopy capsule (EC) is a reliable, secure, and non-invasive tool for diagnosing disorders in the gastrointestinal tract (GIT).  ...  For validation of the developed methods, the EC images with known diagnoses were used as ground truth.  ...  To do this, the remaining objects in the binary image were computed, and it was observed that the largest area coincided with the bleeding area.  ... 
doi:10.5963/phf0404001 fatcat:nhzyxsg4yrcfvksy6qu2xqf4fq

Computational Hypersonic Aerodynamics with Emphasis on Earth Reentry Capsules
English

NICULESCU Mihai Leonida, FADGYAS Maria Cristina, COJOCARU Marius Gabriel, PRICOP Mihai Victor, STOICAN Mihaita Gilbert, PEPELEA Dumitru
2016 INCAS Bulletin  
For this reason, the present paper deals with the computational hypersonic aerodynamics with chemical reactions with the aim of supporting Earth reentry capsule design.  ...  NUMERICAL SIMULATIONS AND RESULTS The 2D and 3D numerical simulations were computed with commercial code Ansys Fluent over a sphere-cone reentry capsule whose geometry is given in [6] .  ...  The hexahedral cells were used only near the capsule while the tetrahedral cells were employed in rest of computational domain to increase the numerical (artificial) viscosity in order to diminish the  ... 
doi:10.13111/2066-8201.2016.8.3.5 fatcat:q7t3jhwd7ratlo3ehifdue6jpu

Numerical simulations of elastic capsules with nucleus in shear flow

Arash Alizad Banaei, Jean-Christophe Loiseau, Iman Lashgari, Luca Brandt
2017 European Journal of Computational Mechanics  
The shear-induced deformation of a capsule with a stiff nucleus, a model of eukaryotic cells, is studied numerically.  ...  The numerical approach is presented and validated for the case of a single capsule in a shear flow.  ...  Lailai Zhu is thanked for the help with the implementation of the membrane module.  ... 
doi:10.1080/17797179.2017.1294828 fatcat:5zddsrcvy5dtnpoem3xly6bkbe

Emotion Recognition with Capsule Neural Network

Loan Trinh Van, Quang H. Nguyen, Thuy Dao Thi Le
2022 Computer systems science and engineering  
Following the convolutional neural network, a capsule neural network (CapsNet) with inputs and outputs that are not scalar quantities but vectors allows the network to determine the part-whole relationships  ...  The feature parameters of the recognition system input are mel spectrum images along with the characteristics of the sound source, vocal tract and prosody.  ...  Next, the capsule layer applies a transformation matrix W ij with shape 8 × 16 to convert the 8-D capsule from the output of the primary capsule layer to a 16-D capsule for one of four emotions.  ... 
doi:10.32604/csse.2022.021635 fatcat:odikrqtbovhc3kerlqyw3vgxta

Diagnosing of Diabetic Retinopathy with Image Dehazing and Capsule Network [chapter]

Utku Kose, Omer Deperlioglu, Jafar Alzubi, Bogdan Patrut
2020 Studies in Computational Intelligence  
In this chapter, the diagnosis of DR was solved that time with the Capsule Network, which is called also as CapsNet briefly.  ...  Classification The classification approach for diagnosing DR in this study was done with the Capsule Network (CapsNet), which is an effective, recent deep learning techniques.  ... 
doi:10.1007/978-981-15-6325-6_9 fatcat:3ax46niwkfduzhovexgfkbdbyy

Numerical study on dynamic sorting of a compliant capsule with a thin shell

Huilin Ye, Haibo Huang, Xi-yun Lu
2015 Computers & Fluids  
By taking advantage of the rotating of capsules in shear flow, a simple distinguished bifurcated microchannel is proposed to sort capsules with different rigidities.  ...  One is the motion of a compliant capsule in a channel and the other is the deformation of a capsule inside a simple shear flow. The results are quantitatively consistent with those in literature.  ...  As showed in Fig. 5 , the capsule is placed in the center of the computational domain, which is L Â H ¼ 20D Â 20D and D ¼ 40 lu.  ... 
doi:10.1016/j.compfluid.2015.02.021 fatcat:6t4bolocujdnznqnrs3c6aiqwi

Face Spoof Attack Detection with Hypergraph Capsule Convolutional Neural Networks

Yuxin Liang, Chaoqun Hong, Weiwei Zhuang
2021 International Journal of Computational Intelligence Systems  
Existing methods try to detect such attacks with different features. Among them, using color images become popular since it is flexible and generic.  ...  The proposed feature representation is compared with existing features for face spoof attack detection and experimental results on two commonly used datasets emphasize the effectiveness of HGC-CNN.  ...  Then, DE and DV can be computed by DE e = N ∑ v=1 H(v, e), (14) and DV v = ∑ Ω u where H(u, e) = 1. (15) With the hyper edge weighting matrix, the multi-feature hypergraph Laplacian can be computed by  ... 
doi:10.2991/ijcis.d.210419.003 fatcat:dccocrdjxramtaek3k73c2yafi

Mathematical modeling of forest fire extinguishing using water capsules with a thermoactive shell

L.Y. Kataeva, M.N. Ilicheva, A.A. Loshchilov
2020 Computational Continuum Mechanics  
Loshchilov 1 The paper proposes a new mathematical model of the process of extinguishing a forest fire with dispersed water delivered to the fire source with water capsules with a thermoactive shell.  ...  When moving in a medium with a temperature above the critical, the capsule shell accumulates the integral value of the damage with the intensity proportional to the distance traveled and the critical temperature  ... 
doi:10.7242/1999-6691/2020.13.3.26 fatcat:qbckrxquzrfmpfheuc6g3e2j2y

DeepCaps: Going Deeper With Capsule Networks

Jathushan Rajasegaran, Vinoj Jayasundara, Sandaru Jayasekara, Hirunima Jayasekara, Suranga Seneviratne, Ranga Rodrigo
2019 2019 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)  
Capsule Network is a promising concept in deep learning, yet its true potential is not fully realized thus far, providing sub-par performance on several key benchmark datasets with complex data.  ...  With DeepCaps, we surpass the state-of-the-art results in the capsule network domain on CIFAR10, SVHN and Fashion MNIST, while achieving a 68% reduction in the number of parameters.  ...  As a result, we were able to go deeper with capsules using less computational complexity compared to Sabour et al. [19] .  ... 
doi:10.1109/cvpr.2019.01098 dblp:conf/cvpr/RajasegaranJJJS19 fatcat:lazlwrxbkbbdniy6q2bjre632i

Fashion Image Retrieval with Capsule Networks

Furkan Kinli, Baris Ozcan, Furkan Kirac
2019 2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW)  
In this study, we investigate in-shop clothing retrieval performance of densely-connected Capsule Networks with dynamic routing.  ...  To achieve this, we propose Triplet-based design of Capsule Network architecture with two different feature extraction methods.  ...  of the computational burdens are lightened.  ... 
doi:10.1109/iccvw.2019.00376 dblp:conf/iccvw/KinliOK19 fatcat:f7xjvjt2k5dmbgmigmum5cum4a

FACSCaps: Pose-Independent Facial Action Coding with Capsules

Itir Onal Ertugrul, Laszlo A. Jeni, Jeffrey F. Cohn
2018 2018 IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW)  
FACSCaps models video frames using matrix capsules, where hierarchical pose relationships between face parts are built into internal representations.  ...  Input to capsule j (denoted as x j ) is computed as follows: x j = i c ij W ij u i (2) where u i represents the output vector of capsule i, W ij represents the weight matrix between capsule i and capsule  ...  Based on the degree of agreement between the capsules at the higher layer and layer below, coupling coefficients c ij between capsule i and capsule j are computed using the following routing softmax function  ... 
doi:10.1109/cvprw.2018.00287 pmid:30944768 pmcid:PMC6443417 fatcat:b2xqtp5wgfg5hb2vnswv6kacam

Attention enhanced capsule network for text classification by encoding syntactic dependency trees with graph convolutional neural network

Xudong Jia, Li Wang
2022 PeerJ Computer Science  
by capsule network at last.  ...  Extensive experiments on five datasets demonstrate that our approach can effectively improve the performance of text classification compared with state-of-the-art methods.  ...  Capsule network module. It is a capsule network with 5-layer.  ... 
doi:10.7717/peerj-cs.831 pmid:35111918 pmcid:PMC8771801 fatcat:tbpzdnni7zaedhcrr7yg2karti

Hierarchical Multi-label Classification of Text with Capsule Networks

Rami Aly, Steffen Remus, Chris Biemann
2019 Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics: Student Research Workshop  
Capsule networks have been shown to demonstrate good performance on structured data in the area of visual inference.  ...  In this paper we apply and compare simple shallow capsule networks for hierarchical multi-label text classification and show that they can perform superior to other neural networks, such as CNNs and LSTMs  ...  The main benefit of capsules is their ability to encode information of each category separately by associating each capsule with one category.  ... 
doi:10.18653/v1/p19-2045 dblp:conf/acl/AlyRB19 fatcat:jtrwrqmj4bhrjjlw76bx54jryy

Small bowel enteroclysis with magnetic resonance imaging and computed tomography in patients with failed and uncertain passage of a patency capsule

Frans-Thomas Fork, Nils Karlsson, Sattar Kadhem, Bodil Ohlsson
2012 BMC Medical Imaging  
Methods: Seventy-five consecutive patients were identified with a delayed or unnoticed delivery of the test capsule. Seventy patients consented to participate and underwent MRE (44) or CTE (26).  ...  Results: Lesions compatible with Crohns disease were shown by MRE in 5 patients, by CTE in one and by VCE in four, one of whom had lesions on MRE.  ...  CT: Computed tomography; MRI: Magnetic resonance imaging; CTE: Computed tomography enteroclysis; MRE: Magnetic resonance enteroclysis; PC: Patency capsule; VCE: Video capsule enteroscopy; SB: Small bowel  ... 
doi:10.1186/1471-2342-12-3 pmid:22336074 pmcid:PMC3313890 fatcat:4nefvmvtp5eavgw2yvlnlkesui
« Previous Showing results 1 — 15 out of 132,691 results