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    • 35. 发明申请
    • DEVICE, SYSTEM, AND METHOD OF BLIND DEBLURRING AND BLIND SUPER-RESOLUTION UTILIZING INTERNAL PATCH RECURRENCE
    • 使用内部调节恢复的盲点发生和盲点超分辨率的装置,系统和方法
    • US20140354886A1
    • 2014-12-04
    • US14289670
    • 2014-05-29
    • Yeda Research & Development Co. Ltd.
    • Tomer MICHAELIMichal Irani
    • H04N1/38
    • H04N1/4092G06T5/003G06T2207/20016G06T2207/20192
    • Devices, systems, and methods of blind deblurring and blind super-resolution utilizing internal patch recurrence. Small signal patches tend to repeat “as is” across multiple scales of a natural signal. This fractal-like behavior is utilized for signal processing tasks, including “Blind Deblurring” or “Blind Super-Resolution”, namely, removing signal blur or increasing signal resolution without a-priori knowledge of the underlying blur kernel. While the cross-scale patch recurrence is strong in signals taken under ideal conditions, the cross-scale patch recurrence significantly diminishes when the acquisition blur deviates from an ideal blur. These deviations from ideal patch recurrences are used for recovering the underlying (unknown) blur kernel. The correct blur kernel is recovered by seeking the kernel which maximizes the patch similarity across scales of a related “reference” signal. For example, this reference signal may be the low-resolution input signal, the sharp deblurred-version of a blurry input signal, or the like. Quantitative and qualitative experiments indicate that this approach yields improved or superior results, in “Blind Deblurring” and in “Blind Super-Resolution”.
    • 使用内部斑块复发的盲目去除和盲目超分辨率的设备,系统和方法。 小信号贴片往往在自然信号的多个尺度上“按原样”重复。 这种分形样的行为被用于信号处理任务,包括“Blind Deblurring”或“Blind Super-Resolution”,即去除信号模糊或增加信号分辨率,而无需先验知识的底层模糊内核。 虽然在理想条件下获取的信号中交叉尺度贴片复发很强,但是当采集模糊偏离理想模糊时,交叉尺度贴片复发显着减小。 这些与理想斑块复发的偏差用于恢复底层(未知)模糊核。 通过寻找使相关“参考”信号的尺度上的补片相似度最大化的内核来恢复正确的模糊内核。 例如,该参考信号可以是低分辨率输入信号,模糊输入信号的锐利去模糊版本等。 定量和定性实验表明,这种方法在“盲目去除”和“盲目超分辨率”中产生了改进或优异的结果。