是否有一个指纹识别器的API / SDK？ [英] Is there a fingerprint reader api/sdk?

问题描述

我需要从我的应用程序读取用户的指纹。

I need to read the user's fingerprint from my application.

我真正想要的是一个简单的SDK，有很多廉价的指纹读取器的工作原理，但我可以处理的东西，如果该模型是廉价和全球上市的仅适用于一个特定的模式。

What I really want is a simple SDK that works with a lot of inexpensive fingerprint readers but I can deal with something that works only with one specific model if that model is cheap and available worldwide.

和它必须是免版税，我可以支付一个开发许可，但如果我必须支付每次安装我只是不能使用它。

And it has to be royalty-free, I can pay for a development license but if I have to pay for each installation I just can't use it.

我在做什么没有关系登录或加密，因此包含在阅读器软件可能会是对我没用。

What I'm doing has no relation to login or encryption, so the software included with the reader will probably be useless to me.

推荐答案

有用于读取指纹数据，据我所知，因为它是一个相当新的领域，有做的不标准的方式没有标准的API。每个厂家都会提供自己的API，用于读取硬件。该API可能仅仅是IO规范的硬件，而且也没有任何的库，这使得事情有点棘手。这倒有两个原因。第一个是指纹读取器用于许多应用 - 定制硬件，嵌入式系统通过向个人计算机认证和超越。软件提供所有这些不同的系统不会但从厂家角度是可行的。其次，各制造商使用不同的方法来读出并处理所捕获的图像这将使通用API有问题的。

There is no standard API for reading fingerprint data as far as I'm aware since it is a fairly new field and there's no standard way of doing it. Each manufacturer will provide their own API for reading the hardware. The API could just be IO specification to the hardware and there's no library whatsoever, which makes things a bit trickier. This is down to two factors. The first is that finger print readers are used in many applications - custom hardware, embedded systems through to PC authentication and beyond. Providing software for all those different systems would not be viable from the manufacturers point of view. Secondly, each manufacturer uses a different approach to reading and processing the captured images which would make a common API problematic.

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