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公开(公告)号：US11445207B2
公开(公告)日：2022-09-13
申请号：US16714837
申请日：2019-12-16
Applicant: Texas Instruments Incorporated
Inventor： Hetul Sanghvi , Mihir Narendra Mody , Niraj Nandan , Mahesh Madhukar Mehendale , Subrangshu Das , Dipan Kumar Mandal , Nainala Vyagrheswarudu , Vijayavardhan Baireddy , Pavan Venkata Shastry
Abstract: A video hardware engine which support dynamic frame padding is disclosed. The video hardware engine includes an external memory. The external memory stores a reference frame. The reference frame includes a plurality of reference pixels. A motion estimation (ME) engine receives a current LCU (largest coding unit), and defines a search area around the current LCU for motion estimation. The ME engine receives a set of reference pixels corresponding to the current LCU. The set of reference pixels of the plurality of reference pixels are received from the external memory. The ME engine pads a set of duplicate pixels along an edge of the reference frame when a part area of the search area is outside the reference frame.
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公开(公告)号：US10547859B2
公开(公告)日：2020-01-28
申请号：US15653561
申请日：2017-07-19
Applicant: Texas Instruments Incorporated
Inventor： Hetul Sanghvi , Mihir Narendra Mody , Niraj Nandan , Mahesh Madhukar Mehendale , Subrangshu Das , Dipan Kumar Mandal , Nainala Vyagrheswarudu , Vijayavardhan Baireddy , Pavan Venkata Shastry
Abstract: A video hardware engine which support dynamic frame padding is disclosed. The video hardware engine includes an external memory. The external memory stores a reference frame. The reference frame includes a plurality of reference pixels. A motion estimation (ME) engine receives a current LCU (largest coding unit), and defines a search area around the current LCU for motion estimation. The ME engine receives a set of reference pixels corresponding to the current LCU. The set of reference pixels of the plurality of reference pixels are received from the external memory. The ME engine pads a set of duplicate pixels along an edge of the reference frame when a part area of the search area is outside the reference frame.
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Patent Agency Ranking
公开(公告)号：US10536258B2
公开(公告)日：2020-01-14
申请号：US15996444
申请日：2018-06-02
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Hunsoo Choo , Hamid Safiri , Nikolaus Klemmer , Jaimin Mehta , Srinadh Madhavapeddi , Charles Kasimer Sestok , Vijayavardhan Baireddy
Abstract: Multi-domain clock generation with skew compensation is based on free-running counters in each of the multiple clock domains. Multi-domain clock generation circuitry provides at least first and second domain clocks generated with randomization, each based on an input clock with an input clock frequency, the domain clocks having a relative clock skew that is varied over time in magnitude and direction. A first circuit in a first clock domain, configured for operation with the first domain clock, includes a first free-running counter with a pre-defined first selected roll-over count, to generate a first free-running count (N1(k)) based on the first domain clock. A second circuit in a second clock domain is configured for operation with the second domain clock, and includes a second free-running counter with a pre-defined second selected roll-over count, to generate a second free-running count (N2(k)) based on the second domain clock.
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公开(公告)号：US20190372747A1
公开(公告)日：2019-12-05
申请号：US15996444
申请日：2018-06-02
Applicant: TEXAS INSTRUMENTS INCORPORATED
Inventor： Hunsoo Choo , Hamid Safiri , Nikolaus Klemmer , Jaimin Mehta , Srinadh Madhavapeddi , Charles Kasimer Sestok , Vijayavardhan Baireddy
Abstract: Multi-domain clock generation with skew compensation is based on free-running counters in each of the multiple clock domains. Multi-domain clock generation circuitry provides at least first and second domain clocks generated with randomization, each based on an input clock with an input clock frequency, the domain clocks having a relative clock skew that is varied over time in magnitude and direction. A first circuit in a first clock domain, configured for operation with the first domain clock, includes a first free-running counter with a pre-defined first selected roll-over count, to generate a first free-running count (N1(k)) based on the first domain clock. A second circuit in a second clock domain is configured for operation with the second domain clock, and includes a second free-running counter with a pre-defined second selected roll-over count, to generate a second free-running count (N2(k)) based on the second domain clock.
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公开(公告)号：US20220408106A1
公开(公告)日：2022-12-22
申请号：US17893297
申请日：2022-08-23
Applicant: Texas Instruments Incorporated
Inventor： Hetul Sanghvi , Mihir Narendra Mody , Niraj Nandan , Mahesh Madhukar Mehendale , Subrangshu Das , Dipan Kumar Mandal , Nainala Vyagrheswarudu , Vijayavardhan Baireddy , Pavan Venkata Shastry
IPC: H04N19/43
Abstract: A video hardware engine which support dynamic frame padding is disclosed. The video hardware engine includes an external memory. The external memory stores a reference frame. The reference frame includes a plurality of reference pixels. A motion estimation (ME) engine receives a current LCU (largest coding unit), and defines a search area around the current LCU for motion estimation. The ME engine receives a set of reference pixels corresponding to the current LCU. The set of reference pixels of the plurality of reference pixels are received from the external memory. The ME engine pads a set of duplicate pixels along an edge of the reference frame when a part area of the search area is outside the reference frame.
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公开(公告)号：US20170318304A1
公开(公告)日：2017-11-02
申请号：US15653561
申请日：2017-07-19
Applicant: Texas Instruments Incorporated
Inventor： Hetul Sanghvi , Mihir Narendra Mody , Niraj Nandan , Mahesh Madhukar Mehendale , Subrangshu Das , Dipan Kumar Mandal , Nainala Vyagrheswarudu , Vijayavardhan Baireddy , Pavan Venkata Shastry
Abstract: A video hardware engine which support dynamic frame padding is disclosed. The video hardware engine includes an external memory. The external memory stores a reference frame. The reference frame includes a plurality of reference pixels. A motion estimation (ME) engine receives a current LCU (largest coding unit), and defines a search area around the current LCU for motion estimation. The ME engine receives a set of reference pixels corresponding to the current LCU. The set of reference pixels of the plurality of reference pixels are received from the external memory. The ME engine pads a set of duplicate pixels along an edge of the reference frame when a part area of the search area is outside the reference frame.
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公开(公告)号：US20150271512A1
公开(公告)日：2015-09-24
申请号：US14661770
申请日：2015-03-18
Applicant: Texas Instruments Incorporated
Inventor： Hetul Sanghvi , Mihir Narendra Mody , Niraj Nandan , Mahesh Madhukar Mehendale , Subrangshu Das , Dipan Kumar Mandal , Nainala Vyagrheswarudu , Vijayavardhan Baireddy , Pavan Venkata Shastry
Abstract: A video hardware engine which support dynamic frame padding is disclosed. The video hardware engine includes an external memory. The external memory stores a reference frame. The reference frame includes a plurality of reference pixels. A motion estimation (ME) engine receives a current LCU (largest coding unit), and defines a search area around the current LCU for motion estimation. The ME engine receives a set of reference pixels corresponding to the current LCU. The set of reference pixels of the plurality of reference pixels are received from the external memory. The ME engine pads a set of duplicate pixels along an edge of the reference frame when a part area of the search area is outside the reference frame.
Abstract translation: 公开了支持动态帧填充的视频硬件引擎。 视频硬件引擎包括外部存储器。 外部存储器存储参考帧。 参考帧包括多个参考像素。 运动估计（ME）引擎接收当前LCU（最大编码单元），并且定义当前LCU周围的运动估计周围的搜索区域。 ME引擎接收与当前LCU对应的一组参考像素。 从外部存储器接收多个参考像素的参考像素集合。 当搜索区域的一部分区域在参考帧之外时，ME引擎沿着参考帧的边缘焊接一组重复像素。
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