Výsledky vyhledávání - Non-negative sparse coding

Medical image classification based on multi-scale non-negative sparse coding Autor Zhang, Ruijie, Shen, Jian, Wei, Fushan, Li, Xiong, Sangaiah, Arun Kumar

“…•We propose a multi-scale non-negative sparse coding model to construct visual dictionary thus to overcome the defects of BoVW-based algorithms…”
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Image classification by non-negative sparse coding, correlation constrained low-rank and sparse decomposition Autor Zhang, Chunjie, Liu, Jing, Liang, Chao, Xue, Zhe, Pang, Junbiao, Huang, Qingming

“…•We use non-negative sparse coding with max pooling to represent images.•Use correlation constrained low-rank matrix recovery to decompose image features…”
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Wearable Hearing Device Spectral Enhancement Driven by Non-Negative Sparse Coding-Based Residual Noise Reduction Autor Kim, Seon Man

“… with the hearing device requirements. The proposed speech enhancement technique, which exploits the concepts of both non-negative sparse coding (NNSC…”
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Gaze prediction for first-person videos based on inverse non-negative sparse coding with determinant sparse measure Autor Li, Yujie, Tan, Benying, Akaho, Shotaro, Asoh, Hideki, Ding, Shuxue

“… By introducing this sparse measure, the solutions are non-negative and sparser than conventional sparse constraints…”
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An Entorhinal-Hippocampal Loop Model Based on Non-negative Sparse Coding Autor Zhao, Kaixin, Ren, Menghui

“… We developed an innovative network model based on this feedback mechanism, linking entorhinal inputs to hippocampal spatial encoding cells through a non-negative sparse coding, using grid cells…”
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Image classification by non-negative sparse coding, low-rank and sparse decomposition Autor Chunjie Zhang, Jing Liu, Qi Tian, Changsheng Xu, Hanqing Lu, Songde Ma

“…We propose an image classification framework by leveraging the non-negative sparse coding, low-rank and sparse matrix decomposition techniques (LR-Sc + SPM…”
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Learning an Efficient Hippocampal Place Map from Entorhinal Inputs Using Non-Negative Sparse Coding Autor Lian, Yanbo, Burkitt, Anthony N.

“…Cells in the entorhinal cortex (EC) contain rich spatial information and project strongly to the hippocampus where a cognitive map is supposedly created. These…”
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Voice Activity Detection Via Noise Reducing Using Non-Negative Sparse Coding Autor Teng, Peng, Jia, Yunde

“…This letter presents a voice activity detection (VAD) approach using non-negative sparse coding to improve the detection performance in low signal-to-noise ratio (SNR) conditions…”
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Dispersion constraint based non-negative sparse coding algorithm Autor Shang, Li, Wang, Xin, Sun, Zhan-Li

“…The basic Non-negation Sparse Coding (NNSC) algorithm behaves both advantages of basic Sparse Coding (SC…”
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Modeling object recognition in visual cortex using multiple firing k-means and non-negative sparse coding Autor Wang, Yanjiang, Deng, Limiao

“… Then we integrate multiple firing k-means into the HMAX model to emulate the V2 neural responses and non-negative sparse coding to model V4 neurons…”
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Constrained non-negative sparse coding using learnt instrument templates for realtime music transcription Autor Carabias-Orti, J.J., Rodriguez-Serrano, F.J., Vera-Candeas, P., Cañadas-Quesada, F.J., Ruiz-Reyes, N.

“…In this paper, we present a realtime signal decomposition method with single-pitch and harmonicity constrains using instrument specific information. Although…”
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Biomedical time series clustering based on non-negative sparse coding and probabilistic topic model Autor Wang, Jin, Liu, Ping, F.H.She, Mary, Nahavandi, Saeid, Kouzani, Abbas

“…) and electroencephalography (EEG) signals is proposed. Specifically, local segments extracted from the time series are projected as a combination of a small number of basis elements in a trained dictionary by non-negative sparse coding. A Bag-of-Words (BoW…”
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Denoising sound signals in a bioinspired non-negative spectro-temporal domain Autor Martínez, C.E., Goddard, J., Di Persia, L.E., Milone, D.H., Rufiner, H.L.

“… at the primary auditory cortex. The approach here proposed estimates a non-negative sparse coding with a combined dictionary of atoms…”
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Dispersion Constraint Based Non-negative Sparse Coding Model Autor Wang, Xin, Wang, Can, Shang, Li, Sun, Zhan-Li

“…Based on advantages of basic non-negative sparse coding (NNSC) model, and considered the prior class constraint of image features, a novel NNSC model is discussed here…”
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Extended Super Resolution of Hyperspectral Images via Non-negative Sparse Coding Autor Pawar, Maneesh, Venkatesh, K. S.

“…Often high resolution (HR) RGB images generated by sparse sampling of the visible spectrum fail to produce differentiable modality for computer vision tasks, Hence computer vision tasks have to rely on gross structures…”
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Wind Noise Reduction using Non-Negative Sparse Coding Autor Schmidt, M.N., Larsen, J., Fu-Tien Hsiao

“… The method is based on non-negative sparse coding and relies on a wind noise dictionary which is estimated from an isolated noise recording…”
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Non-negative and local sparse coding based on l2-norm and Hessian regularization Autor Zhang, Jinghui, Wan, Yuan, Chen, Zhiping, Meng, Xiaojing

“… Due to the efficiency of representing visual data and reducing dimension of complex structure, methods of sparse coding have been widely investigated and achieved ideal performance in image classification…”
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Non-negative sparse coding Autor Hoyer, P.O.

“…Non-negative sparse coding is a method for decomposing multivariate data into non-negative sparse components…”
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Modeling receptive fields with non-negative sparse coding Autor Hoyer, Patrik O.

“… A particularly influential model in this respect has been sparse coding. In this paper we argue for a non-negative variant of the model…”
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Self-Similarity Constrained Sparse Representation for Hyperspectral Image Super-Resolution Autor Han, Xian-Hua, Shi, Boxin, Zheng, Yinqiang

“… the spectral information of each pixel independently, which results in noisy sparse representation…”
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