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Abstract
The vOICe technology is a kind of vision aid technology for the blind, which offers the experience of live camera views through image-sound conversion. To reduce the computational complexity of image-sound conversion, a novel image-sound conversion method is proposed in the paper. The new method takes each column of an image as the Discrete Fourier Transform (DFT) of an audio signal, and inverse Fast Fourier Transform (IFFT) is utilized to implement the inverse DFT and calculate the converted audio signal. The final result represent that this method is more effectively and has a better real time performance. Vision is the most important way for human to perceive the outside world, more than 80% of the information we obtain is derived from vision. The visually impaired has difficulty to gain information from eyes because of the impairment, meanwhile it also gives living or economic
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