公开(公告)号：WO2015167810A1

公开(公告)日：2015-11-05

申请号：PCT/US2015/026124

申请日：2015-04-16

Applicant: QUALCOMM INCORPORATED

Inventor： RABII, Khosro Mohammad ,  JALIL, Suhail ,  AHMED, Mohamed Imtiaz ,  PHAM, Dat Tien

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/044 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/0418

Abstract: Certain aspects relate to systems and techniques for scan control for scanning a touch panel. The scan control system can alternate adaptively between scanning the touch panel in a passive scan mode requiring minimal power and in a focused active scan mode that sequentially scans only a portion of the touch panel. The scan control system can monitor the absolute capacitance of some or all of the sensors of the touch panel in passive scan mode and can monitor the mutual capacitance of a portion of the touch panel in focused active scan mode. If the absolute capacitance of any sensor is greater than the baseline capacitance, then the scan control can use this absolute capacitance touch data to determine one or more sub-regions of the touch panel for scanning in focused active scan mode. The mutual capacitance touch data can be used for determining features of the touch event.

Abstract translation: 某些方面涉及用于扫描触摸面板的扫描控制的系统和技术。 扫描控制系统可以以需要最小功率的无源扫描模式和仅依次扫描触摸面板的一部分的聚焦主动扫描模式在自动地扫描触摸面板之间进行自适应交替。 扫描控制系统可以以被动扫描模式监测触摸面板的部分或全部传感器的绝对电容，并且可以在聚焦主动扫描模式下监视触摸面板的一部分的互电容。 如果任何传感器的绝对电容大于基准电容，则扫描控制可以使用该绝对电容触摸数据来确定触摸面板的一个或多个子区域，以便在聚焦的主动扫描模式下进行扫描。 互电容触摸数据可用于确定触摸事件的特征。

公开(公告)号：WO2015126763A1

公开(公告)日：2015-08-27

申请号：PCT/US2015/015924

申请日：2015-02-13

Applicant: QUALCOMM INCORPORATED

Inventor： GAO, Qiang ,  HUANG, William Yee-Ming ,  WONG, Hsun Wei David ,  NG, Teresa Ka Ki ,  WANG, Rex ,  LAW, Carol King Mui ,  JALIL, Suhail

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/044

Abstract: Systems, methods, and devices for reducing shadow effects in touch systems are contained herein. In one aspect, a method of reducing shadow effects in a touch system is disclosed. The method includes receiving a touch input on a touch interface, determining a difference between a weighted mean of the touch input and an arithmetic mean of the touch input and adjusting an estimated touch position of the touch input based on the difference.

Abstract translation: 本文包含用于减少触摸系统中的阴影效应的系统，方法和设备。 一方面，公开了一种减少触摸系统中的阴影效应的方法。 该方法包括在触摸界面上接收触摸输入，确定触摸输入的加权平均值与触摸输入的算术平均值之间的差异，并且基于该差调整触摸输入的估计触摸位置。

公开(公告)号：WO2015126760A1

公开(公告)日：2015-08-27

申请号：PCT/US2015/015909

申请日：2015-02-13

Applicant: QUALCOMM INCORPORATED

Inventor： GAO, Qiang ,  HUANG, William Yee-Ming ,  WONG, Hsun Wei David ,  NG, Teresa Ka Ki ,  WANG, Rex ,  LAW, Carol King Mui ,  JALIL, Suhail

IPC: G06F3/041

CPC classification number: G06F3/04883 ,  G06F3/0416 ,  G06F2203/04808

Abstract: Systems, methods, and devices for filtering touch input data are contained herein. In one aspect, a method of filtering a touch input received on a touch interface is disclosed. The method includes receiving a first touch input at a first time, receiving a second touch input at a second time, determining a touch velocity based on the first and second touch inputs, adjusting filtering parameters based on the determined velocity, and filtering the second touch input based on the adjusted filtering parameters.

Abstract translation: 本文包含用于过滤触摸输入数据的系统，方法和设备。 一方面，公开了一种对在触摸界面上接收的触摸输入进行滤波的方法。 该方法包括：在第一时间接收第一触摸输入，在第二时间接收第二触摸输入，基于第一和第二触摸输入确定触摸速度，基于所确定的速度调整滤波参数，以及过滤第二触摸 基于调整后的滤波参数进行输入。

公开(公告)号：WO2006102571A1

公开(公告)日：2006-09-28

申请号：PCT/US2006/010716

申请日：2006-03-22

Applicant: QUALCOMM INCORPORATED ,  LIU, Shizhong ,  DO, Phan, L. ,  HUANG, William, Yee-Ming ,  HAN, Charles, S. ,  JALIL, Suhail

Inventor： LIU, Shizhong ,  DO, Phan, L. ,  HUANG, William, Yee-Ming ,  HAN, Charles, S. ,  JALIL, Suhail

IPC: H04N7/30 ,  G06T9/00 ,  H04N7/26

CPC classification number: H04N19/192 ,  H04N19/115 ,  H04N19/124 ,  H04N19/132 ,  H04N19/136 ,  H04N19/147 ,  H04N19/149 ,  H04N19/15 ,  H04N19/172 ,  H04N19/18 ,  H04N19/60

Abstract: A dynamically scaled file encoding method and apparatus are disclosed. A file encoding system using JPEG encoding can be configured to produce relatively constant compressed file sizes irrespective of the initial file size and file contents. The system retrieves an initial file or image that is to be compressed and determines a target bit rate corresponding to the compressed file. The target bit rate is used to determine an initial scaling factor. The initial file is encoded using a JPEG encoder having coefficients scaled by the initial scaling factor. The resultant bit rate can be adjusted in a second loop if greater than the desired bit rate. To adjust the bit rate, a recomputed scaling factor is determined from the resultant bit rate. The initial file is then encoded with coefficients scaled by the recomputed scaling factor to achieve a bit rate that is within the target bit rate.

Abstract translation: 公开了一种动态缩放的文件编码方法和装置。 可以将使用JPEG编码的文件编码系统配置为产生相对恒定的压缩文件大小，而与初始文件大小和文件内容无关。 系统检索要压缩的初始文件或图像，并确定与压缩文件对应的目标比特率。 目标比特率用于确定初始缩放因子。 使用具有由初始缩放因子缩放的系数的JPEG编码器对初始文件进行编码。 如果大于所需比特率，则可以在第二循环中调整所得比特率。 为了调整比特率，从所得比特率确定重新计算的缩放因子。 然后使用由重新计算的缩放因子缩放的系数对初始文件进行编码，以实现在目标比特率内的比特率。

公开(公告)号：WO2003107680A3

公开(公告)日：2003-12-24

申请号：PCT/US2003/019400

申请日：2003-06-18

Applicant: QUALCOMM INCORPORATED

Inventor： MALAYATH, Naren ,  CHANG, Chienchung ,  JALIL, Suhail

IPC: H04N7/26

Abstract: Video encoding techniques are described. In one example, a video encoding technique includesidentifying a pixel location associated with a video block in a search space based on motion vectors associated with a set of video blocks within a video frame to be encoded, wherein the video blocks in the set are spatially located at defined locations relative to a current video block of the video frame to be encoded. A motion estimation routine can then be initialized for the current video block at the identified pixel location. By identifying a pixel location associated with a video block in a search space based on motion vectors associated with a set of video blocks within a video frame, the phenomenon of spatial redundancy can be more readily exploited to accelerate and improve the encoding process.

公开(公告)号：EP3111302A1

公开(公告)日：2017-01-04

申请号：EP15711913.2

申请日：2015-02-19

Applicant: Qualcomm Incorporated

Inventor： HUANG, William Yee-Ming ,  AHMED, Mohamed Imtiaz ,  WONG, Hsun Wei David ,  TILAK, Raghukul ,  GAO, Qiang ,  JALIL, Suhail ,  NG, Teresa Ka Ki ,  LAW, Carol King Mui ,  WANG, Rex

IPC: G06F3/041 ,  G06F3/044

CPC classification number: G06F3/0418 ,  G06F3/0416 ,  G06F3/044

Abstract: Systems and methods are disclosed for determining a touch position from data received from a touch panel. In one implementation, an apparatus for processing a touch input signal includes a processor that may be configured for parallel processing, a touch device, a memory, operably connected to the processor, and configured to store processor instructions. The processor instructions can configure the processor to receive a plurality of data points corresponding to a plurality of touch events on the touch device, determine a center of mass estimate from the plurality of data points, determine a search radius of center of mass estimate, and determine an optimal touch point position based on the center of mass estimate and the search radius using the processor.

Abstract translation: 公开了用于根据从触摸面板接收的数据确定触摸位置的系统和方法。 在一个实现中，用于处理触摸输入信号的装置包括可被配置用于并行处理的处理器，触摸装置，可操作地连接到处理器的存储器，并且被配置为存储处理器指令。 处理器指令可以配置处理器以接收对应于触摸设备上的多个触摸事件的多个数据点，从多个数据点确定质心估计值，确定质心估计的搜索半径，以及 基于质心估计和使用处理器的搜索半径确定最佳触摸点位置。

公开(公告)号：EP2839650A1

公开(公告)日：2015-02-25

申请号：EP13721171.0

申请日：2013-04-18

Applicant: Qualcomm Incorporated

Inventor： ZHOU, Bo ,  ZENG, Mao ,  DU, Junchen ,  CODRESCU, Lucian ,  JALIL, Suhail

IPC: H04N7/26 ,  H04N7/36

CPC classification number: H04N19/523 ,  H04N19/43 ,  H04N19/80

Abstract: A set of even interpolated sub-pixels is formed based on a pixel window and a tap coefficient register having a tap coefficient set, the pixel window is shifted and, applying the tap coefficient register a set of odd interpolated pixels is formed. The set of even interpolated sub-pixels and the set of odd interpolated sub-pixels are accumulated, repeatedly, until a termination condition is let. In the accumulating, the tap coefficient register is updated with another tap coefficient set, the pixel window is shifted, and the even interpolated pixels are incremented, the pixel window is then shifted again and the odd interpolated pixels are incremented.

公开(公告)号：EP2805498A1

公开(公告)日：2014-11-26

申请号：EP13702702.5

申请日：2013-01-20

Applicant: Qualcomm Incorporated

Inventor： ZHOU, Bo ,  XIAO, Shu ,  DU, Junchen ,  JALIL, Suhail

IPC: H04N7/26

CPC classification number: H04N19/436 ,  H04N19/423 ,  H04N19/44 ,  H04N19/82

Abstract: A method for performing texture decoding in a multi-threaded processor includes substantially simultaneously decoding, in multiple hardware threads, at least two macro-blocks of a VP8 frame. Each hardware thread decodes one macro-block at a time. The method may also include assigning a macro-block from the at least two macro-blocks of the VP8 frame to a hardware thread of the multi-threaded processor.

公开(公告)号：EP1514424A2

公开(公告)日：2005-03-16

申请号：EP03737191.1

申请日：2003-06-18

Applicant: QUALCOMM INCORPORATED

Inventor： MALAYATH, Naren ,  CHANG, Chienchung ,  JALIL, Suhail

IPC: H04N7/26

CPC classification number: H04N19/127 ,  H04N19/51 ,  H04N19/557 ,  H04N19/56 ,  H04N19/57

Abstract: Video encoding techniques are described. In one example, a video encoding technique includesidentifying a pixel location associated with a video block in a search space based on motion vectors associated with a set of video blocks within a video frame to be encoded, wherein the video blocks in the set are spatially located at defined locations relative to a current video block of the video frame to be encoded. A motion estimation routine can then be initialized for the current video block at the identified pixel location. By identifying a pixel location associated with a video block in a search space based on motion vectors associated with a set of video blocks within a video frame, the phenomenon of spatial redundancy can be more readily exploited to accelerate and improve the encoding process.

公开(公告)号：WO2019074578A1

公开(公告)日：2019-04-18

申请号：PCT/US2018/046656

申请日：2018-08-14

Applicant: QUALCOMM INCORPORATED

Inventor： KIES, Jonathan ,  OLIVER, Robyn Teresa ,  TARTZ, Robert ,  BREMS, Douglas ,  JALIL, Suhail

IPC: G06F3/0488 ,  G06F3/041 ,  G06F3/048

Abstract: Methods, devices, non-transitory processor-readable media of various embodiments may enable contextual operation of a mobile computing device including a capacitive input sensor, which may be a rear area capacitive input sensor. In various embodiments, a processor of a mobile computing device including a rear area capacitive input sensor may monitor sensor measurements and generate an interaction profile based on the sensor measurements. The processor of the mobile computing device may determine whether the interaction profile is inconsistent with in-hand operation and may increase sensitivity of the capacitive input sensor in response to determining that the interaction profile is inconsistent with in-hand operation.