摘要:
A q-space sampling method includes: (a) receiving a required sampling number and a range of sampling region in q-space set by a user; (b) obtaining a sampling interval by iteration using a regular non-rectangular sampling lattice when an actual sampling number converges to the required sampling number; and (c) obtaining positions of sampling data in q-space based on the sampling interval and the regular non-rectangular sampling lattice. A diffusion spectrum imaging method using the q-space sampling method is also disclosed.
摘要:
A method for determining ego-motion of a moving platform and a system thereof are provided. The method includes: using a first lens to capture a first and a second left image at a first and a second time, and using a second lens to capture a first and a second right image; segmenting the images into first left image areas, first right image areas, second left image areas, and second right image areas; comparing the first left image areas and the first right image areas, the second left image areas and the second right image areas, and the first right image areas and the second right image areas, so as to find plural common areas; selecting N feature points in the common areas to calculate depth information at the first and the second time, and determining the ego-motion of the moving platform between the first time and the second time.
摘要:
A method for measuring the thickness of a first absorbing material in the presence of a second absorbing material is provided. The method comprises the steps as follow. The thickness (tS) of the first absorbing material is fixed and the thickness of the second absorbing material is varied to obtain a calibration standard. The intensity of the transmissive energy passing through the calibration standard is detected by acquiring multiple pairs of image data comprising a foreground value (logn(Ic+s)) and a background value (logn(Ic)). The thickness (tSi) of the first absorbing material is changed and the above steps are repeated to obtain sets of image data. A fitting constant Id is determined to describe each set of the intensity data as μ s α t S = log n ( I c + I d ) - log n ( I c + s + I d ) . A best fit of the proportional constant μ s α is determined to further calculate an unknown thickness of the first absorbing material (ts′) through the equation t s ′ = α μ s [ ln ( I c ′ + I d ) - ln ( I c + s ′ + I d ) ] .
摘要翻译:提供了一种在存在第二吸收材料的情况下测量第一吸收材料的厚度的方法。 该方法包括以下步骤。 第一吸收材料的厚度(tS)是固定的,并且第二吸收材料的厚度被改变以获得校准标准。 通过获取包括前景值(logn(Ic + s))和背景值(logn(Ic))的多对图像数据来检测通过校准标准的透射能量的强度。 改变第一吸收材料的厚度(tSi)并重复上述步骤以获得一组图像数据。 确定拟合常数Id以将每组强度数据描述为μsαrustt S = log n(I c + I d)-log n(I c + s + I d)。 确定比例常数μsα的最佳拟合,以通过等式进一步计算第一吸收材料(ts')的未知厚度ts'=αμs[ln(I c'+ I d) - ln (I c + s'+ I d)]。
摘要:
An automatic search system and a method for assisting a mobile apparatus to search for a matching device are provided. The automatic search method includes the following steps. First, N sets of consecutive images are captured at N time points respectively when the mobile apparatus moves along a first direction. The N is a positive integer greater than 1. Next, the N sets of consecutive images are received, and several image features of the N sets of images are compared, so as to determine accordingly whether the matching device exists in the first direction. If it is determined that the matching device exists, a route signal and an adjustment signal are generated. Next, according to the route signal, the mobile apparatus is controlled to move to an adjacent position of the matching device. Also, according to the adjustment signal, the mobile apparatus is controlled to be combined with the matching device.
摘要:
An automatic search system and a method for assisting a mobile apparatus to search for a matching device are provided. The automatic search method includes the following steps. First, N sets of consecutive images are captured at N time points respectively when the mobile apparatus moves along a first direction. The N is a positive integer greater than 1. Next, the N sets of consecutive images are received, and several image features of the N sets of images are compared, so as to determine accordingly whether the matching device exists in the first direction. If it is determined that the matching device exists, a route signal and an adjustment signal are generated. Next, according to the route signal, the mobile apparatus is controlled to move to an adjacent position of the matching device. Also, according to the adjustment signal, the mobile apparatus is controlled to be combined with the matching device.