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XGrad: Boosting Gradient-Based Optimizers With Weight Prediction.
IEEE Trans Pattern Anal Mach Intell
October 2024
In this paper, we propose a general deep learning training framework XGrad which introduces weight prediction into the popular gradient-based optimizers to boost their convergence and generalization when training the deep neural network (DNN) models. In particular, ahead of each mini-batch training, the future weights are predicted according to the update rule of the used optimizer and are then applied to both the forward pass and backward propagation. In this way, during the whole training period, the optimizer always utilizes the gradients w.
View Article and Find Full Text PDFLacrimal Drainage System and Nasal Cavity Melanoma after Complete Treatment of Conjunctival Melanoma.
Case Rep Ophthalmol Med
February 2024
Eye and Skull Base Research Centers, Five Senses Institute, Rasoul Akram Hospital, Iran University of Medical Science, Tehran, Iran.
Malignant melanoma of the conjunctiva is a rare tumor of the ocular surface with potential fatal consequences and a high likelihood of recurrence. Although routes for extending the tumor, including local, hematogenous, and lymphatogenous, are pretty straightforward, the indirect extension through free-floating tumoral cells to the nasolacrimal duct is not described thoroughly. We report a case of malignant melanoma of the conjunctiva which presented with local recurrence in the intranasal cavity and lacrimal sac two years after the primary surgery (without involvement of the ocular surface and punctum on the second occasion).
View Article and Find Full Text PDFImmobilization of Cd in an aqueous environment using a two-step microbial-induced carbonate precipitation method.
J Environ Manage
February 2024
School of Civil Engineering, Wuhan University, Wuhan, 430072, Hubei, China.
Previous researches indicate that the potent toxicity of cadmium hinders the efficacy of the microbial-induced carbonate precipitation (MICP) process for bioremediation of Cd in aqueous environment. Increasing urea and calcium resource doses, introducing synergists, and utilizing urease-producing consortia can improve bio-immobilization performance of MICP. However, such measures may incur cost increases and/or secondary contamination.
View Article and Find Full Text PDFRecombinant expression using Agrobacterium-mediated transient transformation (ATT) of plants has developed into a robust and versatile method to rapidly produce proteins. The capability of plants to efficiently synthesize even homo- and hetero-multimeric complex folded proteins featuring disulfide bonds and other post-translational modifications such as N-linked glycosylation makes them superior to most of the established microbial, especially prokaryotic expression hosts. Compared to production in mammalian cell cultures, ATT requires lower skills, simple technical equipment and cheaper media components.
View Article and Find Full Text PDFBecoming a nurse used to be pretty straightforward. The vast majority of potential recruits applied to their local nursing school, learned on the job, qualified after three years and started work straightaway.
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