Auto cropping for digital photographs

@article{Zhang2005AutoCF,
  title={Auto cropping for digital photographs},
  author={Mingju Zhang and Lei Zhang and Yanfeng Sun and Lin Feng and Wei-Ying Ma},
  journal={2005 IEEE International Conference on Multimedia and Expo},
  year={2005},
  pages={4 pp.-}
}
In this paper, we propose an effective approach to the nearly untouched problem, still photograph auto cropping, which is one of the important features to automatically enhance photographs. To obtain an optimal result, we first formulate auto cropping as an optimization problem by defining an energy function, which consists of three sub models: composition sub model, conservative sub model, and penalty sub model. Then, particle swarm optimization (PSO) is employed to obtain the optimal solution… CONTINUE READING
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