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    • 9. 发明申请
    • DEPTH MEASUREMENT QUALITY ENHANCEMENT
    • 深度测量质量提升
    • WO2012175731A1
    • 2012-12-27
    • PCT/EP2012/062174
    • 2012-06-22
    • SOFTKINETIC SOFTWAREGUIGUES, LaurentSAMUEL, MichelTHOLLOT, Julien
    • GUIGUES, LaurentSAMUEL, MichelTHOLLOT, Julien
    • G01S17/89G06T1/00G06T15/00
    • H04N13/128G01S17/89G06T5/005G06T2207/10028H04N2013/0081
    • Described herein is a method for correcting defective depth values in depth map images. Defective values correspond to "noisy pixels" located on continuous flat surfaces and interpolated "flying pixels" located along an edge between a foreground object and a background object. The method comprising the steps of accessing a depth map of a scene which includes the foreground and background objects, detecting and identifying noisy and interpolated depth measurements within the depth map using a method, defining and applying a correction to each of the detected defective noisy and interpolated depth measurements using a specifically defined weighted correction factor. By providing the corrected defective depth values in depth map images, edges are sharpened in depth and continuous surfaces are flattened, enabling higher efficiency and robustness of further image processing.
    • 这里描述了一种用于校正深度图图像中的有缺陷的深度值的方法。 不良值对应于位于连续平坦表面上的“噪声像素”,并且沿着前景物体和背景物体之间的边缘插入“插入像素”。 该方法包括以下步骤:访问包括前景和背景对象的场景的深度图,使用方法来检测和识别深度图内的噪声和内插深度测量,定义并应用对每个检测到的有缺陷的噪声的校正, 使用特定的加权校正因子进行内插深度测量。 通过在深度图图像中提供校正的有缺陷的深度值,边缘的深度被锐化并且连续的表面被压平,从而能够实现进一步的图像处理的更高的效率和鲁棒性。
    • 10. 发明申请
    • STABILISATION METHOD AND COMPUTER SYSTEM
    • 稳定方法和计算机系统
    • WO2011080281A1
    • 2011-07-07
    • PCT/EP2010/070819
    • 2010-12-28
    • SOFTKINETICBAELE, XavierTHOLLOT, Julien
    • BAELE, XavierTHOLLOT, Julien
    • G06T5/00G06T7/00
    • G06T7/004A63F2300/1093A63F2300/6045G06F3/011G06F17/18G06K9/40G06T5/002G06T5/50G06T7/70G06T2200/24G06T2207/10016G06T2207/30196
    • A method for stabilising a series of measurements of a physical variable comprises the steps of : capturing at least a first, second, and third measurement of said physical variable and storing each measurement in a digital memory. If a difference between the first measurement and the second measurement is below a predetermined threshold, the second measurement is replaced in the memory by a corrected second measurement where the difference with respect to said first measurement has been reduced using a first filtering strength. If a difference between the filtered value of the corrected second measurement and said third measurement is also below the threshold, said third measurement is replaced by a corrected third measurement where a difference with respect to said corrected second measurement has been reduced using a second filtering strength that is lower than the first filtering strength. This method has the advantage of filtering noise whilst still allowing slow but relevant variations in the series of measurements.
    • 用于稳定物理变量的一系列测量的方法包括以下步骤:捕获所述物理变量的至少第一,第二和第三测量,并将每个测量值存储在数字存储器中。 如果第一测量和第二测量之间的差异低于预定阈值,则通过校正的第二测量在存储器中替换第二测量,其中使用第一滤波强度已经减少了相对于所述第一测量的差。 如果校正的第二测量的滤波值与所述第三测量之间的差也低于阈值,则所述第三测量被替换为校正的第三测量值,其中相对于所述校正的第二测量值的差已经被使用第二滤波强度 即低于第一过滤强度。 该方法具有过滤噪声的优点,同时仍然允许在一系列测量中缓慢而相关的变化。