Exact(6)
The behavior of image decomposition methods is also a challenging problem, which is closely related to anisotropic diffusion.
The assessment of long-term water quality changes is also a challenging problem.
From the view point of practical applications, development of computationally efficient solutions which may work in real time is also a challenging problem that needs further exploration.
Hence, the problem needs to be solved from two aspects: one is how to choose a good regularization functional φ(f), which is an active research area in image science, and the other is how to shorten the computation time without yielding staircase artifacts, which is also a challenging problem.
Finding out the exact genotypes for CNVs is also a challenging problem and only relative quantification is available to date[16].
Brain metastasis is also a challenging problem in cases with SSTs, and PCI may have a role in the management of these patients.
Similar(54)
Furthermore, the choice of different time-frequency methods and their sequence of application also remains a challenging problem.
In this case, we cannot prove the eventual optimality, but we can prove the existence of a Markov perfect equilibrium [32], which also is a challenging problem in decentralized wireless networks.
The evaluation of a Product-Service System (PSS), particularly during its design phase but also throughout its lifecycle, is a challenging problem.
Face recognition under varying pose is a challenging problem, especially when illumination variations are also present.
Messaging is a challenging problem in general.
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