ICASSP 2019 - 2019 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2019
DOI: 10.1109/icassp.2019.8683687
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Analysis Dictionary Learning: an Efficient and Discriminative Solution

Abstract: Discriminative Dictionary Learning (DL) methods have been widely advocated for image classification problems. To further sharpen their discriminative capabilities, most state-ofthe-art DL methods have additional constraints included in the learning stages. These various constraints, however, lead to additional computational complexity. We hence propose an efficient Discriminative Convolutional Analysis Dictionary Learning (DCADL) method, as a lower cost Discriminative DL framework, to both characterize the ima… Show more

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Cited by 12 publications
(8 citation statements)
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“…We mainly evaluate our CF-SECL method for pattern classification. The performance of our method is compared with that of some related state-of-the-art methods: KSVD [33], D-KSVD [12], LC-KSVD2 [13], FDDL [7], [8], DPL [9], JEDL [14], SRC [1], DADCL [19], DCADL [16], TL-FC [17], and DNAOL [18]. Our training model has three parameters i.e., α, β, and γ ) to estimate.…”
Section: Resultsmentioning
confidence: 99%
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“…We mainly evaluate our CF-SECL method for pattern classification. The performance of our method is compared with that of some related state-of-the-art methods: KSVD [33], D-KSVD [12], LC-KSVD2 [13], FDDL [7], [8], DPL [9], JEDL [14], SRC [1], DADCL [19], DCADL [16], TL-FC [17], and DNAOL [18]. Our training model has three parameters i.e., α, β, and γ ) to estimate.…”
Section: Resultsmentioning
confidence: 99%
“…In addition, DPL, FDDL learn dictionary for sparse coding of training samples; DSRC and JNPDL jointly learn projection and dictionary for discriminative sparse coding of training samples; while SRC and our method use the training sample as synthesis dictionary for sparse coding of training samples. Similar to D-KSVD [12], LC-KSVD [13], JEDL [14], DCADL [16], TL-FC [17], DNAOL [18], our method applies the learnt linear classifier to the sparse feature to obtain the label of a test sample. However, there are differences in the training models.…”
Section: B Classification-friendly Sparse Encoder and Classifier Leamentioning
confidence: 99%
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“…The idea is based on decomposing the input data set into meaningful features and picking a few of them for decision making. In order to obtain the elements of dictionary, the principle components analysis (PCA) is used [16]. The elements of dictionary are human interpretable.…”
Section: Explainable Convolutional Neural Networkmentioning
confidence: 99%
“…shown excellent performance in image classification tasks, such as [31] and [32]. It is worth noting that ADL is often applied to image representation vectors to acquire more discriminative vectors.…”
Section: Related Workmentioning
confidence: 99%