IMAGE DESCRIPTION AND IMAGE RECOGNIZABLE METHOD

專利類型

發明

專利國別 (專利申請國家)

美國

專利申請案號

15/434,984

專利證號

US 9,697,438 B2

專利獲證名稱

IMAGE DESCRIPTION AND IMAGE RECOGNIZABLE METHOD

專利所屬機關 (申請機關)

元智大學

獲證日期

2017/07/04

技術說明

一種圖像描述及其圖像識別方法，其中該圖像描述方法包含(a)取得一圖像，該圖像具有複數像素。步驟(b)在該圖像決定一起始點的位置。步驟(c)在該圖像上，由該起始點沿著具有一前角度的一前螺旋線的軌跡取樣該等像素，讓該軌跡上的該等像素排列成一前螺旋集成線。步驟(d)將該前角度增加一角度變異量以形成具有一後角度的一後螺旋線，由該起始點沿著該後螺旋線的軌跡取樣該等像素，而該等像素排列成一後螺旋集成線。步驟(e)決定該角度變異量增加的次數，以重複地執行該步驟(d)，而取得複數該後螺旋集成線，其中該等像素對應一數值。步驟(f)排列該前螺旋集成線與該等後螺旋集成線，形成一螺旋集成圖(Spiral Aggregation Map)。 A robust template matching algorithm undergoing RST (rotation-scaling- translation) variations via our proposed spiral projection model (SPM). Compared to other model-based methods, the proposed algorithm provides the structural and statistical information about the template in a more general and easier to comprehend format. The SPM is a model-based texture-description scheme that enables the simultaneous representation for each bin of projection. The bin, a set of parametric projection values functions by angular indexing, is the aggregate from a group of spiral sampling pixels. The well-defined spiral-based projection provides high sensitivity and high scanning efficiency compared with ring projection. It also preserves the inherent spatial information better than the radial projection. In addition, we introduced a novel image warping scheme called the spiral aggregation map (SAM).

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