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    • 2. 发明申请
    • METHOD AND APPARATUS FOR CALIBRATING AN IMAGING DEVICE
    • 用于校准成像装置的方法和装置
    • US20130016186A1
    • 2013-01-17
    • US13491033
    • 2012-06-07
    • Kalin Mitkov AtanassovSergiu R. GomaVikas Ramachandra
    • Kalin Mitkov AtanassovSergiu R. GomaVikas Ramachandra
    • H04N17/00
    • G06T7/85H04N13/239H04N13/246
    • Described are methods and apparatus for adjusting images of a stereoscopic image pair based on keypoint matches. The quality of the key point matches is first evaluated to determine whether the quality exceeds a keypoint quality threshold. If the quality level of the keypoint matches exceeds the threshold, the vertical disparity between the images of the stereoscopic image pair can be evaluated based on vertical disparity vectors between the keypoint matches. If the vertical disparity is below a threshold, no adjustment of the stereoscopic image pair may be performed. If the vertical disparity is above the threshold, an affine correction may compensate for pitch, roll, and scale differences between the images. A projective correction may compensate for yaw differences. The vertical disparity between the two images is then evaluated after the corrections to determine if additional adjustment should be performed.
    • 描述了基于关键点匹配来调整立体图像对的图像的方法和装置。 首先评估关键点匹配的质量,以确定质量是否超过关键点质量阈值。 如果关键点匹配的质量级别超过阈值,则可以基于关键点匹配之间的垂直视差向量来评估立体图像对的图像之间的垂直差异。 如果垂直视差低于阈值,则不能执行立体图像对的调整。 如果垂直视差高于阈值,则仿射校正可以补偿图像之间的俯仰,滚动和缩放差异。 投影校正可以补偿偏航差异。 然后在校正后评估两个图像之间的垂直差异,以确定是否应执行附加调整。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR CALIBRATING AN IMAGING DEVICE
    • 用于校准成像装置的方法和装置
    • WO2013009416A3
    • 2013-02-28
    • PCT/US2012041514
    • 2012-06-08
    • QUALCOMM INCATANASSOV KALIN MITKOVGOMA SERGIU RRAMACHANDRA VIKAS
    • ATANASSOV KALIN MITKOVGOMA SERGIU RRAMACHANDRA VIKAS
    • G06T7/00H04N13/02
    • H04N13/0246G06T7/85H04N13/0239
    • Described are methods and apparatus for adjusting images of a stereoscopic image pair based on keypoint matches. The quality of the key point matches is first evaluated to determine whether the quality exceeds a keypoint quality threshold. If the quality level of the keypoint matches exceeds the threshold, the vertical disparity between the images of the stereoscopic image pair can be evaluated based on vertical disparity vectors between the keypoint matches. If the vertical disparity is below a threshold, no adjustment of the stereoscopic image pair may be performed. If the vertical disparity is above the threshold, an affine correction may compensate for pitch, roll, and scale differences between the images. A projective correction may compensate for yaw differences. The vertical disparity between the two images is then evaluated after the corrections to determine if additional adjustment should be performed.
    • 描述了基于关键点匹配来调整立体图像对的图像的方法和装置。 首先评估关键点匹配的质量,以确定质量是否超过关键点质量阈值。 如果关键点匹配的质量级别超过阈值,则可以基于关键点匹配之间的垂直视差向量来评估立体图像对的图像之间的垂直差异。 如果垂直视差低于阈值,则不能执行立体图像对的调整。 如果垂直视差高于阈值,则仿射校正可以补偿图像之间的俯仰,滚动和缩放差异。 投影校正可以补偿偏航差异。 然后在校正后评估两个图像之间的垂直差异,以确定是否应执行附加调整。
    • 8. 发明申请
    • METHOD AND APPARATUS FOR CALIBRATING AN IMAGING DEVICE
    • 用于校准成像设备的方法和设备
    • WO2013009416A2
    • 2013-01-17
    • PCT/US2012/041514
    • 2012-06-08
    • QUALCOMM INCORPORATEDATANASSOV, Kalin MitkovGOMA, Sergiu R.RAMACHANDRA, Vikas
    • ATANASSOV, Kalin MitkovGOMA, Sergiu R.RAMACHANDRA, Vikas
    • G06T7/00
    • G06T7/85H04N13/239H04N13/246
    • Described are methods and apparatus for adjusting images of a stereoscopic image pair based on keypoint matches. The quality of the key point matches is first evaluated to determine whether the quality exceeds a keypoint quality threshold. If the quality level of the keypoint matches exceeds the threshold, the vertical disparity between the images of the stereoscopic image pair can be evaluated based on vertical disparity vectors between the keypoint matches. If the vertical disparity is below a threshold, no adjustment of the stereoscopic image pair may be performed. If the vertical disparity is above the threshold, an affine correction may compensate for pitch, roll, and scale differences between the images. A projective correction may compensate for yaw differences. The vertical disparity between the two images is then evaluated after the corrections to determine if additional adjustment should be performed.
    • 描述了用于基于关键点匹配来调整立体图像对的图像的方法和设备。 首先评估关键点匹配的质量以确定质量是否超过关键点质量阈值。 如果关键点匹配的质量水平超过阈值,则可基于关键点匹配之间的垂直视差矢量来评估立体图像对的图像之间的垂直视差。 如果垂直视差低于阈值,则可以不执行立体图像对的调整。 如果垂直视差高于阈值,则仿射校正可以补偿图像之间的俯仰,滚动和缩放差异。 投影校正可以补偿偏航差异。 然后在校正后评估两幅图像之间的垂直差异,以确定是否应该进行额外的调整。