Method and device for detecting movement of an entity provided with an image sensor
    1.
    发明授权
    Method and device for detecting movement of an entity provided with an image sensor 有权
    用于检测设有图像传感器的实体的移动的方法和装置

    公开(公告)号:US08179967B2

    公开(公告)日:2012-05-15

    申请号:US11480262

    申请日:2006-06-30

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: G06F3/0317 G06T7/223

    Abstract: An image sequence sensor senses images. To associate a motion vector with an image of the sequence currently being processed, k candidate vectors are generated by adding, to a reference motion vector, respectively k search vectors. Then, a motion vector is selected from among the k candidate vectors as a function of a selection rule. Thereafter, the previous two steps are repeated m times, the reference motion vector being on the one hand, for a first iteration of the first step, an initial reference vector selected from among a set of vectors comprising at least one motion vector associated with a previous processed image and being on the other hand, for the m repetitions of the first step, the motion vector selected in the second step preceding the first step. Then, the vector obtained in the third step is associated with the image currently being processed.

    Abstract translation: 图像序列传感器感测图像。 为了将运动矢量与当前正在处理的序列的图像相关联,通过将k个搜索向量分别加到参考运动矢量来生成k个候选向量。 然后,作为选择规则的函数,从k个候选向量中选择运动矢量。 此后,先前的两个步骤重复m次,参考运动矢量一方面用于第一步骤的第一迭代,从包括至少一个与一个运动矢量相关联的运动矢量的一组矢量中选择的初始参考矢量 另一方面,对于先前处理的图像,另一方面,对于第一步的m次重复,在第一步骤之前的第二步中选择的运动矢量。 然后,在第三步骤中获得的向量与当前处理的图像相关联。

    AMBIENT LIGHT DETECTION
    2.
    发明申请
    AMBIENT LIGHT DETECTION 有权
    环境光检测

    公开(公告)号:US20110141078A1

    公开(公告)日:2011-06-16

    申请号:US12884986

    申请日:2010-09-17

    CPC classification number: G01J1/18 G01J1/46

    Abstract: Ambient light is detected by a photodiode circuit by measuring the time taken for a digital output of the photodiode circuit to change state in response to exposure of a photodiode of the photodiode circuit to that ambient light. A nominal time for state change is calculated based on photodiode circuit characteristics. Furthermore, an effective time for the photodiode circuit digital output to change state is determined in a calibration mode where the photodiode has been disconnected and a reference current is applied to the circuit. An illumination value of the detected ambient light is then calculated as a function of: the measured time, the effective time and the nominal time.

    Abstract translation: 通过测量光电二极管电路的数字输出所需的时间以响应于光电二极管电路的光电二极管暴露于​​该环境光而改变状态,由光电二极管电路检测环境光。 基于光电二极管电路特性计算状态变化的标称时间。 此外,在光电二极管已经断开并且将参考电流施加到电路的校准模式中确定用于光电二极管电路数字输出改变状态的有效时间。 然后根据测量的时间,有效时间和标称时间来计算检测到的环境光的照明值。

    PROCESSING FOR CAPTURED IMAGES
    3.
    发明申请
    PROCESSING FOR CAPTURED IMAGES 有权
    处理图像

    公开(公告)号:US20100245627A1

    公开(公告)日:2010-09-30

    申请号:US12560620

    申请日:2009-09-16

    CPC classification number: H04N5/335 G06T1/20

    Abstract: A method is provided for reading a captured image, with the captured image comprising at least first and second parts and a border area positioned between the first and second parts. Converted pixels are obtained by applying digital-to-analog conversion to the pixels in the captured image, and the converted pixels corresponding to the border area of the captured image are stored in a buffer. A first set of processed pixels is obtained by applying image processing to the converted pixels corresponding to the first part of the image and to the converted pixels stored in the buffer, and a second set of processed pixels is obtained by applying image processing to the converted pixels corresponding to the second part of the image and to the converted pixels stored in the buffer. A processed image is provided by combining the first and second sets of processed pixels. Also provided is a processing device for reading a captured image.

    Abstract translation: 提供了一种用于读取拍摄图像的方法,其中捕获的图像至少包括第一和第二部分以及位于第一和第二部分之间的边界区域。 通过对拍摄图像中的像素应用数模转换获得转换像素,并且将与拍摄图像的边界区域对应的转换像素存储在缓冲器中。 通过对与图像的第一部分对应的转换像素和存储在缓冲器中的转换像素应用图像处理获得第一组处理像素,并且通过对转换后的图像处理应用图像处理来获得第二组处理像素 对应于图像的第二部分的像素和存储在缓冲器中的转换像素。 通过组合第一组和第二组处理像素来提供经处理的图像。 还提供了一种用于读取拍摄图像的处理装置。

    Modulation device using frequency-shift keying
    4.
    发明授权
    Modulation device using frequency-shift keying 有权
    调频装置采用频移键控

    公开(公告)号:US07495520B2

    公开(公告)日:2009-02-24

    申请号:US11835821

    申请日:2007-08-08

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: H04L27/12 G06F1/0321 G06F1/0353

    Abstract: A frequency-shift modulation device includes an oscillating circuit, a phase-locked loop and a digital frequency modulation circuit. The oscillating circuit is connected to the phase-locked loop in order to produce a fixed-frequency clock signal. This clock signal is used for timing the frequency modulation circuit. A standard model crystal oscillator can be used in the oscillating circuit, given that the RF frequency of a wireless transmission signal which is produced by the modulation device is determined digitally.

    Abstract translation: 频移调制装置包括振荡电路,锁相环和数字频率调制电路。 振荡电路连接到锁相环,以产生固定频率时钟信号。 该时钟信号用于定时调频电路。 考虑到由调制装置产生的无线传输信号的RF频率是数字确定的,振荡电路中可以使用标准型晶体振荡器。

    FM demodulation and frequency tuning for a phase-locked loop
    5.
    发明授权
    FM demodulation and frequency tuning for a phase-locked loop 失效
    FM解调和频率调谐用于锁相环

    公开(公告)号:US5640126A

    公开(公告)日:1997-06-17

    申请号:US585242

    申请日:1996-01-11

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    Abstract: The invention provides a demodulation PLL wherein: the first position of a switch, which is controlled by a control circuit, respectively connects the outputs of a mixer and a LP filter to high gain and low gain inputs of an oscillator when frequency signals at the inputs of the mixer have not converged sufficiently, i.e. during the PLLs tuning mode; the second position of the switch respectively connects the outputs of the mixer and the LP filter to the low gain and high gain inputs of the oscillator when the frequency signals at the inputs of the mixer and the signal levels on the input and output of the filter have converged sufficiently, i.e. during the PLLs demodulation mode.

    Abstract translation: 本发明提供一种解调PLL,其中:由控制电路控制的开关的第一位置分别在混频器和LP滤波器的输出端连接到振荡器的高增益和低增益输入端,当输入端的频率信号 的混频器没有充分收敛,即在PLL调谐模式期间; 当混频器输入端的频率信号和滤波器的输入和输出信号电平时,开关的第二位置分别将混频器和LP滤波器的输出端连接到振荡器的低增益和高增益输入 已经充分收敛,即在PLL解调模式期间。

    Computer navigation devices
    6.
    发明授权
    Computer navigation devices 有权
    计算机导航设备

    公开(公告)号:US08462114B2

    公开(公告)日:2013-06-11

    申请号:US11171125

    申请日:2005-06-30

    CPC classification number: G06F3/0317

    Abstract: An optical mouse includes an image sensor for providing image data via an analog-to-digital converter to a correlation circuit and a motion estimation circuit to provide output signals representative of motion of the mouse. The output signals may be disabled when the mouse is lifted away from the working surface. This may be achieved by high-pass filtering the signals, summing each frame in a summer to provide a single value, and comparing this to a threshold. If the filtered and summed value exceeds the threshold, this may indicate that the image contains in-focus objects, and that the mouse is on the working surface.

    Abstract translation: 光学鼠标包括用于经由模数转换器向相关电路提供图像数据的图像传感器和运动估计电路,以提供表示鼠标运动的输出信号。 当鼠标从工作表面离开时,输出信号可能会被禁用。 这可以通过对信号进行高通滤波来实现,在夏季对每个帧求和以提供单个值,并将其与阈值进行比较。 如果滤波和求和值超过阈值,则这可能表示图像包含对焦对象,并且鼠标位于工作表面上。

    Method of detecting the movement of an entity equipped with an image sensor and device for implementing same
    7.
    发明授权
    Method of detecting the movement of an entity equipped with an image sensor and device for implementing same 有权
    检测配备有图像传感器的实体的移动的方法和用于实现图像传感器的装置

    公开(公告)号:US08300015B2

    公开(公告)日:2012-10-30

    申请号:US11480263

    申请日:2006-06-30

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: G06F3/0317 G06F3/03543 G06T7/223

    Abstract: In relation to a current image from a sequence of images captured by an image sensor, in a first step, a temporary motion vector is determined as a function of reference data comprising a preceding image and a motion vector associated to the preceding image. Then, in a second step, if the temporary motion vector does not satisfy a reliability criterion, the first step is repeated in relation to a following image, on the basis of the same reference data. Otherwise, the temporary motion vector is associated with the current image.

    Abstract translation: 关于来自图像传感器捕获的图像序列的当前图像,在第一步骤中,根据包括先前图像和与前一图像相关联的运动矢量的参考数据来确定临时运动矢量。 然后,在第二步骤中,如果临时运动矢量不满足可靠性标准,则基于相同的参考数据,相对于后续图像重复第一步骤。 否则,临时运动矢量与当前图像相关联。

    Motion estimation with adaptation of the correlation block size
    8.
    发明授权
    Motion estimation with adaptation of the correlation block size 有权
    运动估计与相关块大小的调整

    公开(公告)号:US08264462B2

    公开(公告)日:2012-09-11

    申请号:US12130063

    申请日:2008-05-30

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: H04N5/144 G06F3/0317 G06T7/223

    Abstract: A process for determining the displacement of an entity equipped with a sensor for capturing a sequence of images, comprising a step for determining a motion vector associated with a current image as a function of at least one correlation calculation between a first block of pixels in the current image and a second block of pixels from which the vector points towards said first block of pixels, with said second block being in a previous image in the sequence of images, wherein the dimensions of the first block are determined as a function of at least a motion vector associated with a previous image in the image sequence.

    Abstract translation: 一种用于确定配备有用于捕获图像序列的传感器的实体的位移的过程,包括用于确定与当前图像相关联的运动向量作为至少一个相关性计算的函数的步骤, 当前图像和第二像素块,其中矢量指向所述第一像素块,其中所述第二块位于图像序列中的先前图像中,其中第一块的尺寸被确定为至少的函数 与图像序列中的先前图像相关联的运动矢量。

    Circuit and method for automatically limiting the amplitude of broadcast audio signals
    9.
    发明授权
    Circuit and method for automatically limiting the amplitude of broadcast audio signals 失效
    用于自动限制广播音频信号幅度的电路和方法

    公开(公告)号:US07627130B2

    公开(公告)日:2009-12-01

    申请号:US09047252

    申请日:1998-03-24

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: H03G3/3026 H03G3/001

    Abstract: A circuit for processing broadcast signals that includes circuitry for receiving and processing broadcast signals which contain audio information and providing a first audio signal, and circuitry for controlling the amplitude of a received second audio signal in response to a first control signal, and providing a third audio signal wherein the circuit further comprises circuitry that receives the first audio signal and provides the second audio signal for automatically limiting the amplitude of the first audio signal in response to at least one reference signal.

    Abstract translation: 一种用于处理广播信号的电路,包括用于接收和处理包含音频信息并提供第一音频信号的广播信号的电路,以及用于响应于第一控制信号控制所接收的第二音频信号的幅度的电路,以及提供第三 音频信号,其中电路还包括接收第一音频信号并提供第二音频信号的电路,用于响应于至少一个参考信号自动限制第一音频信号的幅度。

    MOTION ESTIMATION WITH ADAPTATION OF THE CORRELATION BLOCK SIZE
    10.
    发明申请
    MOTION ESTIMATION WITH ADAPTATION OF THE CORRELATION BLOCK SIZE 有权
    运动估计适应关联块大小

    公开(公告)号:US20080316174A1

    公开(公告)日:2008-12-25

    申请号:US12130063

    申请日:2008-05-30

    Applicant: Pascal Mellot

    Inventor: Pascal Mellot

    CPC classification number: H04N5/144 G06F3/0317 G06T7/223

    Abstract: A process for determining the displacement of an entity equipped with a sensor for capturing a sequence of images, comprising a step for determining a motion vector associated with a current image as a function of at least one correlation calculation between a first block of pixels in the current image and a second block of pixels from which the vector points towards said first block of pixels, with said second block being in a previous image in the sequence of images, wherein the dimensions of the first block are determined as a function of at least a motion vector associated with a previous image in the image sequence.

    Abstract translation: 一种用于确定配备有用于捕获图像序列的传感器的实体的位移的过程,包括用于确定与当前图像相关联的运动向量作为至少一个相关性计算的函数的步骤, 当前图像和第二像素块,其中矢量指向所述第一像素块,其中所述第二块位于图像序列中的先前图像中,其中第一块的尺寸被确定为至少的函数 与所述图像序列中的先前图像相关联的运动矢量。

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