sparse

adj.

稀疏的；稀少的；

sparse matrix[数]稀疏矩阵

1. This is a country of sparse population.
   这是个人口稀少的小国。
2. Species that were once sparse started to carpet the plots.
   曾经稀少的物种开始遍布草原。
3. His pink scalp gleamed through his sparse hair.
   他发红的头皮在稀疏的头发下泛微光。
4. The sparse vegetation will only feed a small population of animals.
   稀疏的植物只能喂少量的动物族群。

Efficient sparse coding algorithms
Image super-resolution via sparse representation
Demo: Robust face recognition via sparse representation
Demo: Robust face recognition via sparse representation
Stable recovery of sparse overcomplete representations in the presence of noise
Good error-correcting codes based on very sparse matrices
Optimally Sparse Representation in General (Nonorthogonal) Dictionaries via ℓ1Minimization
Data MULEs: modeling a three-tier architecture for sparse sensor networks
Merlin--rapid analysis of dense genetic maps using sparse gene flow trees.
$rm K$-SVD: An Algorithm for Designing Overcomplete Dictionaries for Sparse Representation