The invention is applicable to complex background and both background and object with very low contrast.
根据本发明，其能够适用于复杂的背景和背景与对象的非常低的对比度。
By adopting the invention, delicate depiction can be carried out on the background model, thereby improving the accuracy rate on speaker recognition.
本发明可对背景模型进行细致刻画，从而提高说话人识别的准确率。
The invention relates to a target source with adjustable contrast ratio. The target of the target source is arranged between target integrating sphere and background integrating sphere;
本发明涉及一种可调对比度目标源，该目标源的目标在目标积分球与背景积分球之间；
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