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    • 3. 发明授权
    • Image capturing apparatus, imaging circuit, and image capturing method
    • 图像捕获装置,成像电路和图像捕获方法
    • US08023748B2
    • 2011-09-20
    • US11710622
    • 2007-02-23
    • Fumiaki KatoKen Nakajima
    • Fumiaki KatoKen Nakajima
    • G06K9/36
    • H04N19/98H04N5/335H04N5/772H04N5/775H04N5/85H04N5/907H04N9/7921H04N9/8047H04N2101/00H04N2201/0084
    • An image capturing apparatus for capturing an image with solid state imaging devices may include a compressing section, a memory, a decompressing section, and a signal processing section. The compressing section may compress digitalized data of an image captured with the solid state imaging devices. The memory may temporarily store the compressed image data that is compressed by the compressing section. The decompressing section may decompress the compressed image data that is read out from the memory. The signal processing section may perform an image quality correction operation on the image data decompressed by the decompressing section. The compressed image data may contain a maximum value and a minimum value of pixel data in a block, information regarding positions of the maximum value and the minimum value in the block, and quantized data.
    • 用于使用固态成像装置捕获图像的图像捕获装置可以包括压缩部分,存储器,解压缩部分和信号处理部分。 压缩部分可以压缩用固态成像装置捕获的图像的数字化数据。 存储器可以临时存储由压缩部分压缩的压缩图像数据。 解压缩部分可以解压缩从存储器读出的压缩图像数据。 信号处理部分可以对由解压缩部分解压缩的图像数据执行图像质量校正操作。 压缩图像数据可以包含块中的像素数据的最大值和最小值,关于块中的最大值和最小值的位置的信息以及量化数据。
    • 4. 发明申请
    • IMAGING APPARATUS, IMAGING CIRCUIT AND IMAGING METHOD
    • 成像设备,成像电路和成像方法
    • US20080291295A1
    • 2008-11-27
    • US12123340
    • 2008-05-19
    • Fumiaki KatoKen Nakajima
    • Fumiaki KatoKen Nakajima
    • H04N5/225G06K9/00
    • H04N19/90H04N19/124H04N19/136H04N19/17H04N19/42
    • An image by using a solid-state imaging sensor, the imaging apparatus including: a compression section configured to compress image data by dividing the image data into blocks each composed of same color component pixels adjacent to each other as a unit of compression; a memory used for temporarily storing compressed image data; a decompression section configured to decompress the compressed image data read out from the memory; and a signal processing section configured to carry out an image-quality correction process on decompressed image data, wherein each of the blocks is split in advance into two quantization-subject areas, block types are distinguished from each other by the position of the inter-area boundary between the two quantization-subject areas, and the compression section has a dynamic-range computation sub-section, a block-type select sub-section, and a quantization processing sub-section are provided.
    • 通过使用固态成像传感器的图像,所述成像装置包括:压缩部,被配置为通过将图像数据划分为由彼此相邻的相同颜色分​​量像素组成的块作为压缩单位来压缩图像数据; 用于临时存储压缩图像数据的存储器; 解压缩部,被配置为对从所述存储器读出的压缩图像数据进行解压缩; 以及信号处理部,被配置为对解压缩图像数据执行图像质量校正处理,其中每个块被预先分割成两个量化对象区域,块类型通过帧间间隔的位置彼此区分开, 两个量化对象区域之间的区域边界,并且压缩部分具有动态范围计算子部分,块型选择子部分和量化处理子部分。
    • 9. 发明授权
    • Picture processing apparatus and method, and imaging apparatus
    • 图像处理装置和方法以及成像装置
    • US08320685B2
    • 2012-11-27
    • US11795993
    • 2006-01-12
    • Koji OzakiFumiaki KatoKenichi Sakai
    • Koji OzakiFumiaki KatoKenichi Sakai
    • G06K9/00
    • H04N1/387H04N19/176H04N19/423H04N19/46H04N19/48H04N19/59H04N19/60H04N19/70H04N19/88
    • Data can be transferred from a picture processing section to an encoding section without necessity of using an external memory. In addition, with internal data transfer having a wider band than an external memory, data can be processed at high speed. An entire picture 41 as an original picture is divided into six blocks of (64×4) pixels each. An enlargement process is performed for each block. Data of blocks are read in the order of blocks 1, 2, 3, and so forth. A size changing section processes a first block and generates picture data of a block 42 of (128×8) pixels. From this picture data 42, macroblocks 43 of (16×8) pixels each are read and encoded. As a result, JPEG data 44 are obtained. A code rearrangement section rearranges the order of the JPEG data 46 in the unit of a block. As a result, JPEG data 48 are generated. When JPEG data 48 are decoded in this order, a decoded picture 49 whose block order matches an area 41 of the original picture is obtained.
    • 数据可以从图像处理部分传送到编码部分,而不需要使用外部存储器。 此外,通过内部数据传输具有比外部存储器更宽的频带,可以高速处理数据。 作为原始图像的整个图像41被分成六个(64×4)个像素块。 对每个块执行放大处理。 以块1,2,3等等的顺序读取块的数据。 尺寸改变部分处理第一块并生成(128×8)像素的块42的图像数据。 从该图像数据42,读取并编码(16×8)像素的宏块43。 结果,获得JPEG数据44。 代码重排部分以块为单位重新排列JPEG数据46的顺序。 结果,生成JPEG数据48。 当JPEG数据48以此顺序被解码时,获得其顺序与原始图像的区域41匹配的解码图像49。