Abstract: The present disclosure relates to an image processing device and a method thereof, an imaging element, and an imaging device in which a signal value deviation generated through encoding and decoding of an amplified signal group can be restrained. Adaptive processing is executed on an image in which signal amplification has been executed, and the resultant image is encoded. For example, an offset value that is randomly set within a value range that depends on a gain value of the signal amplification executed on the image is added to each pixel value of the image, and then, the resultant image is encoded. The present disclosure is applicable to an image processing device, an image encoding device, an image decoding device, an imaging element, or an imaging device, for example.

Abstract: The present disclosure relates to image processing apparatus and method that can suppress a reduction in image quality. An addition order of candidate data that is a candidate for additional data to be added to encoded data including encoded image data in blocks is set on a block-by-block basis in order to set the encoded data to a fixed length. In this case, pseudo-random numbers may be used to set the addition order of the candidate data, or table information indicating the addition order of the candidate data may be used to set the addition order of the candidate data. The present disclosure can be applied to, for example, an image processing apparatus, an image encoding apparatus, an image decoding apparatus, or the like.

Abstract: The present technology relates to a data processing apparatus, data processing method, and a program which improve a compression ratio. Provided are a first compression part compressing data using compressed sensing and a second compression part compressing observation coefficients coming from the first compression part using a method different from the method used in the first compression part. The first compression part performs random sampling using a sampling matrix optimized for compression by the second compression part. The sampling matrix is designed to minimize the differential value between the observation coefficients. The present technology can be applied to recording/reproducing apparatuses that capture, compress, record, and reproduce image data.

Abstract: There is provided an image encoding device and an image encoding method, and an image processing device and an image processing method that enable easier bitstream concatenation. A structure according to the present disclosure includes: a setting unit that sets header information related to a hypothetical reference decoder in accordance with information about a position and information about reference, the information about a position and the information about reference being of the current picture of image data to be processed; and an encoding unit that encodes the image data and generates a bitstream containing the encoded data of the image data and the header information set by the setting unit. The present disclosure can be applied to image processing devices or image encoding devices, for example.

Abstract: An image processing apparatus including an inter-prediction section that generates a set of reference pixels of fractional pixel positions from a reference image for motion compensation and searches an image to be encoded for a motion vector by using the set of generated reference pixels and an encoding section that encodes the image to be encoded on a basis of a result of searching for the motion vector by the inter-prediction section. The inter-prediction section includes a reference pixel at a fractional pixel position further inward than a first predetermined distance from a boundary of a partial region corresponding to a slice or a tile, in the set of reference pixels that are used for searching the partial region for a motion vector.

Abstract: Provided is an image processing device including an infrared image acquisition unit that acquires an infrared image of an imaged object, a visible light image acquisition unit that acquires a visible light image of the imaged object, a generation unit that generates cutaneous sensation control parameters on the basis of the infrared image acquired by the infrared image acquisition unit, and a data processing unit that associates the visible light image acquired by the visible light image acquisition unit with the cutaneous sensation control parameters generated by the generation unit.

Abstract: In a sample adaptive offset (SAO), the coding efficiency is improved by selecting an optimum mode among a plurality of modes based on a technique called a band offset and an edge offset. However, a processing amount of the SAO tends to increase when an optimum mode and an offset value are set, and this may result in an increase in a circuit size or power consumption. In this regard, the present disclosure proposes to enable reducing a processing amount of a cost calculation of the sample adaptive offset. According to the present disclosure, there is provided an image processing apparatus, including: a control unit configured to set an offset value to be applied to a pixel of an image, from among candidates of the offset value restricted according to a bit depth of the image; and a filter processing section configured to perform a filter process of applying the offset value set by the control unit to the pixel of the image.

Abstract: In a sample adaptive offset (SAO), the coding efficiency is improved by selecting an optimum mode among a plurality of modes based on a technique called a band offset and an edge offset. However, a processing amount of the SAO tends to increase when an optimum mode and an offset value are set, and this may result in an increase in a circuit size or power consumption. In this regard, the present disclosure proposes to enable reducing a processing amount of a cost calculation of the sample adaptive offset. According to the present disclosure, there is provided an image processing apparatus, including: a control unit configured to set an offset value to be applied to a pixel of an image, from among candidates of the offset value restricted according to a bit depth of the image; and a filter processing section configured to perform a filter process of applying the offset value set by the control unit to the pixel of the image.

Abstract: The present disclosure relates to an image processing device and method that can suppress deterioration of the picture quality by encoding. The image processing device includes a decoding unit configured to decode encoded data obtained by lossy encoding an image of a frame encoded already which is used as a reference image in encoding of an image of a current frame and perform rounding of a decoded image obtained by the decoding with a rounding value whose value is changed over in a time direction of the image. The present disclosure can be applied, for example, to an image processing device, an image encoding device or the like.

Abstract: The present disclosure relates to an imaging element enabling fixed-length compression of image data while avoiding generation of a prohibition code, and an imaging device and method. Image data obtained in a light reception unit that receives incident light and performs photoelectric conversion is Golomb-encoded, and is compressed into encoded data not including a prohibition code by adding an inverse code of encoded data of bit 1 to an LSB. The present disclosure can be applied to an imaging device.

Abstract: There is provided an image processing apparatus and an image processing method which are capable of reducing a processing amount of a cost calculation, the image processing apparatus including: a filter processing section configured to perform a filter process of applying an offset to a pixel of a decoded image that is decoded; and a control unit configured to control a mode used when the filter process is performed and an offset for the mode according to an encoding parameter used when an image is encoded.

Abstract: An image processing device includes a viewpoint separating unit configured to separate multi-viewpoint image data, including images of multiple viewpoints and representing intensity distribution of light and the direction of travel of light according to positions and pixel values of pixels, into a plurality of single-viewpoint image data for each of the individual viewpoints; and a parallax control unit configured to control amount of parallax between the plurality of single-viewpoint image data obtained by separation into individual viewpoints by the viewpoint separating unit.

Abstract: The present disclosure relates to an image encoding device and an image encoding method, and an image processing device and an image processing method that enable easier bitstream concatenation. A structure according to the present disclosure includes: a setting unit that sets header information related to a hypothetical reference decoder in accordance with information about a position and information about reference, the information about a position and the information about reference being of the current picture of image data to be processed; and an encoding unit that encodes the image data and generates a bitstream containing the encoded data of the image data and the header information set by the setting unit. The present disclosure can be applied to image processing devices or image encoding devices, for example.

Abstract: The present disclosure relates to an image processing apparatus and method that can keep reduction in coding efficiency to a minimum. A scaling list is set that has values appropriate to a current block size for the current block to be quantized in an image to be coded, quantization is performed using the set scaling list, and coded data is generated by coding an acquired quantization coefficient. The present disclosure is applicable, for example, to an image processing apparatus, an image coding apparatus, an image decoding apparatus, and so on.

Abstract: There is provided an image encoding device and an image encoding method, and an image processing device and an image processing method that enable easier bitstream concatenation. A structure according to the present disclosure includes: a setting unit that sets header information related to a hypothetical reference decoder in accordance with information about a position and information about reference, the information about a position and the information about reference being of the current picture of image data to be processed; and an encoding unit that encodes the image data and generates a bitstream containing the encoded data of the image data and the header information set by the setting unit. The present disclosure can be applied to image processing devices or image encoding devices, for example.

Abstract: The present technology relates to a data processing apparatus, data processing method, and a program which improve a compression ratio. Provided are a first compression part compressing data using compressed sensing and a second compression part compressing observation coefficients coming from the first compression part using a method different from the method used in the first compression part. The first compression part performs random sampling using a sampling matrix optimized for compression by the second compression part. The sampling matrix is designed to minimize the differential value between the observation coefficients. The present technology can be applied to recording/reproducing apparatuses that capture, compress, record, and reproduce image data.

Abstract: There is provided an image processing device and method capable of suppressing a decrease in subjective image quality. A size of a current block for a prediction process is set according to a size of a peripheral block situated on a periphery of the current block. The prediction process is to generate a predicted image of an image to be encoded. An intra prediction process is performed on the current block that has been set and the predicted image is generated. The image to be encoded is encoded using the predicted image that has been generated. The present disclosure can be applied to, for example, an image processing device, an image encoding device, or an image decoding device.

Abstract: The present disclosure relates to image processing apparatus and method that can suppress a reduction in image quality. An addition order of candidate data that is a candidate for additional data to be added to encoded data including encoded image data in blocks is set on a block-by-block basis in order to set the encoded data to a fixed length. In this case, pseudo-random numbers may be used to set the addition order of the candidate data, or table information indicating the addition order of the candidate data may be used to set the addition order of the candidate data. The present disclosure can be applied to, for example, an image processing apparatus, an image encoding apparatus, an image decoding apparatus, or the like.

Abstract: [Object] To realize a motion compensation method that is more suitable for parallel processing of multiple chips. [Solution] Provided is an image processing apparatus including: an inter-prediction section that generates a set of reference pixels of fractional pixel positions from a reference image for motion compensation and searches an image to be encoded for a motion vector by using the set of generated reference pixels; and an encoding section that encodes the image to be encoded on a basis of a result of searching for the motion vector by the inter-prediction section. The inter-prediction section includes a reference pixel at a fractional pixel position further inward than a first predetermined distance from a boundary of a partial region corresponding to a slice or a tile, in the set of reference pixels that are used for searching the partial region for a motion vector.

Abstract: The present disclosure relates to an encoding device and an encoding method capable of reducing a storage capacity necessary for bidirectional prediction. An accuracy transform unit transforms a motion vector with fractional pixel accuracy of an input image into a motion vector with integer pixel accuracy of the image for each of prediction directions for bidirectional prediction of the input image. An average unit forms a predicted image of the input image for bidirectional prediction on the basis of the motion vector with integer pixel accuracy transformed by the accuracy transform unit for each prediction direction. The present disclosure is applicable to an encoding device of high efficiency video coding (HEVC) system, for example.