公开(公告)号：US20120229636A1

公开(公告)日：2012-09-13

申请号：US13475561

申请日：2012-05-18

申请人： Mayu OGAWA ,  Shinji Kitamura ,  Masao Ozawa

发明人： Mayu OGAWA ,  Shinji Kitamura ,  Masao Ozawa

IPC分类号： G06T9/00 ,  H04N7/18 ,  H04N5/225

CPC分类号： H03M7/16 ,  H04N19/126 ,  H04N19/13 ,  H04N19/154 ,  H04N19/176 ,  H04N19/182 ,  H04N19/42 ,  H04N19/46 ,  H04N19/593 ,  H04N19/70

摘要： An image coding method includes: a predictive pixel generation step of generating a predictive value from at least one surrounding pixel located near a compression target pixel; a code conversion step of code-converting the pixel data to generate a Gray code; and quantizing bit change information (exclusive OR) between the generated Gray code and a Gray code of the predictive value to a quantization value, to compress the pixel data. This prevents significant image quality degradation, so that high image quality can be achieved.

摘要翻译： 图像编码方法包括：预测像素生成步骤，从位于压缩对象像素附近的至少一个周围像素生成预测值; 代码转换步骤，对像素数据进行码转换以产生格雷码; 并将生成的格雷码与预测值的格雷码之间的位改变信息（异或）量化为量化值，以压缩像素数据。 这可以防止显着的图像质量下降，从而可以实现高图像质量。

公开(公告)号：US20110170794A1

公开(公告)日：2011-07-14

申请号：US13069708

申请日：2011-03-23

申请人： Mayu OGAWA ,  Kunihiro IMAMURA ,  Shinji KITAMURA

发明人： Mayu OGAWA ,  Kunihiro IMAMURA ,  Shinji KITAMURA

IPC分类号： G06K9/36

CPC分类号： H04N1/64 ,  H04N19/124 ,  H04N19/134 ,  H04N19/146 ,  H04N19/176 ,  H04N19/182 ,  H04N19/184 ,  H04N19/593 ,  H04N19/61

摘要： Coding processing performed by an image coding device (100) includes: processing (S133) of performing coding by leaving surplus bit(s), when the digit number B of binary data of the difference value between (a) a value of a to-be-coded pixel and (b) a prediction value is smaller than the predetermined bit number M; and processing (S133) of performing coding by using the surplus bit(s), when the digit number B is greater than M and there are the surplus bit(s). Pieces of coded data each having a predetermined coding amount are generated, by performing processing for each of consecutive T pixels so as to perform the coding processing for each of U pixels among the consecutive T pixels (S136).

摘要翻译： 由图像编码装置（100）执行的编码处理包括：（a）a-a值之间的差值的二进制数据的数字数字B，通过留下剩余比特来执行编码的处理（S133） （b）预测值小于预定比特数M; 以及当数字编号B大于M并且存在剩余比特时，通过使用剩余比特来执行编码的处理（S133）。 通过对连续的T个像素中的每一个执行处理，对连续的T个像素中的每个U像素执行编码处理，生成具有预定编码量的编码数据的部分（S136）。

公开(公告)号：US20080309803A1

公开(公告)日：2008-12-18

申请号：US11945464

申请日：2007-11-27

申请人： Michiko MORITA ,  Masahiro OGAWA ,  Mayu OGAWA ,  Kenji NAKAMURA

发明人： Michiko MORITA ,  Masahiro OGAWA ,  Mayu OGAWA ,  Kenji NAKAMURA

IPC分类号： H04N5/20 ,  H03L7/00

CPC分类号： H04N17/002 ,  H04N5/357 ,  H04N5/3575 ,  H04N5/3765 ,  H04N2101/00

摘要： An intended-usage judger judges an intended usage of an inputted digital imaging signal. A selector selects one or a plurality of signals to be inspected from a group of signals constituting the digital imaging signal based on a result of the judgment by the intended-usage judger. A phase adjuster adjusts a phase of a pulse used when the digital imaging signal is picked up based on an output state of the signal to be inspected.

摘要翻译： 预期使用判断器判断输入的数字成像信号的预期用途。 选择器根据预期使用判断器的判断结果从构成数字成像信号的信号组中选择要检查的一个或多个信号。 相位调整器基于被检测信号的输出状态来调整拾取数字摄像信号时使用的脉冲的相位。

公开(公告)号：US20110200263A1

公开(公告)日：2011-08-18

申请号：US13094285

申请日：2011-04-26

申请人： Mayu OGAWA

发明人： Mayu OGAWA

IPC分类号： G06K9/36

CPC分类号： H04N19/36 ,  H04N19/61

摘要： An image encoder is provided which receives pixel data of N bits, where N is a natural number, and in which a difference generator calculates a difference between a pixel to be encoded, and a predicted value generated based on at least one pixel located around the pixel to be encoded, a quantizer quantizes a value obtained by subtracting a first offset value from the prediction difference value, and an adder adds the quantized value and a second offset together. An encoded predicted value decider predicts, based on a signal level of the predicted value, an encoded predicted value which is a signal level of the predicted value after encoding. A result of addition of the quantized value and the second offset value is added to or subtracted from the encoded predicted value to obtain encoded data of M bits, where M is a natural number, and N>M.

摘要翻译： 提供一种图像编码器，其接收N位的像素数据，其中N是自然数，并且其中差分生成器计算要编码的像素之间的差异和基于位于周围的至少一个像素生成的预测值 要被编码的像素，量化器通过从预测差值减去第一偏移值而获得的值，并且加法器将量化值和第二偏移量相加。 编码预测值判定器基于预测值的信号电平预测编码后的预测值的编码预测值。 添加量化值和第二偏移值的结果被加到编码的预测值中或从编码的预测值中减去，以获得M位的编码数据，其中M是自然数，N> M。

公开(公告)号：US20080174352A1

公开(公告)日：2008-07-24

申请号：US12018590

申请日：2008-01-23

申请人： Ryuichi MIYAKOSHI ,  Mayu OGAWA ,  Masahiro OGAWA

发明人： Ryuichi MIYAKOSHI ,  Mayu OGAWA ,  Masahiro OGAWA

IPC分类号： H03K5/01

CPC分类号： H03K5/01 ,  H03K2005/00286

摘要： A characteristic detecting unit detects characteristics of a digital imaged signal at every phase shift interval set in advance. A timing adjustment unit gives a phase adjustment instruction of a pulse so as to converge to an imaging phase in the digital imaged signal at which the characteristics are a predetermined value or within a predetermined range. A shift interval switching unit switches the phase shift interval according to photographing conditions of an imaging element.

摘要翻译： 特征检测单元在预先设定的每个相移间隔检测数字成像信号的特性。 定时调整单元给出脉冲的相位调整指令，以便收敛到特征为预定值或预定范围内的数字成像信号中的成像相位。 移位间隔切换单元根据摄像元件的拍摄条件来切换相移间隔。

公开(公告)号：US20090073278A1

公开(公告)日：2009-03-19

申请号：US12194053

申请日：2008-08-19

申请人： Mayu OGAWA ,  Yasutoshi YAMAMOTO ,  Yukihiro TANIZOE

发明人： Mayu OGAWA ,  Yasutoshi YAMAMOTO ,  Yukihiro TANIZOE

IPC分类号： H04N5/228 ,  G06K9/40

CPC分类号： H04N9/646 ,  H04N1/58 ,  H04N5/142 ,  H04N5/20 ,  H04N5/208 ,  H04N5/21 ,  H04N5/243

摘要： A visual processing section 120 is provided which performs visual processing on a pixel-by-pixel basis according to a predetermined function defining a relation between a pixel value of a target pixel which is a pixel under visual processing and a pixel value of the target pixel after subjected to the visual processing. An input signal processing section 150 is further provided which performs, on a pixel-by-pixel basis, at least one of signal processing to restore resolution of an image data input to the visual processing section 120 and signal processing to correct signal deterioration due to the visual processing. In the input signal processing section 150, the at least one signal processing is performed according to a gain determined by using the function.

摘要翻译： 提供了可视处理部分120，其根据预定的功能，逐个像素地执行视觉处理，该功能定义了可视处理下的像素的目标像素的像素值与目标像素的像素值之间的关系 经过视觉处理。 还提供了一个输入信号处理部分150，其在逐个像素的基础上执行信号处理中的至少一个，以恢复输入到可视处理部分120的图像数据的分辨率和信号处理，以校正由于 视觉处理。 在输入信号处理部分150中，根据通过使用该功能确定的增益执行至少一个信号处理。

公开(公告)号：US20080225141A1

公开(公告)日：2008-09-18

申请号：US12047558

申请日：2008-03-13

申请人： Mayu OGAWA

发明人： Mayu OGAWA

IPC分类号： H04N9/64

CPC分类号： H04N5/3765 ,  H04N5/3572 ,  H04N5/378

摘要： A brightness level detector detects a brightness level of the digital imaging signal for each of the plurality of pixels. A shading detector sets a group of pixel regions distant from each other in a horizontal direction in the imaging element and then detects whether or not shadings are generated in the analog imaging signal based on a difference between the brightness levels of the group of pixel regions. A timing adjuster adjusts a phase of a peak sample pulse for detecting a peak level of the analog imaging signal, a phase of a reference sample pulse for detecting a signal level used as a reference in the correlated double sampling executed when the digital imaging signal is generated and a phase of a horizontal transfer pulse in the imaging element based on outputs of the brightness level detector and the shading detector.

摘要翻译： 亮度电平检测器检测多个像素中的每一个的数字成像信号的亮度电平。 阴影检测器设置成像元件中水平方向彼此远离的一组像素区域，然后基于像素区域的亮度级别之间的差来检测模拟成像信号中是否产生阴影。 定时调整器调节用于检测模拟成像信号的峰值电平的峰值采样脉冲的相位，用于检测在数字成像信号是数字成像信号时执行的相关双采样中用作参考的信号电平的参考采样脉冲的相位 基于亮度电平检测器和阴影检测器的输出，生成和成像元件中的水平传输脉冲的相位。