Sony Corporation

Sony Group Corporation

Legong Sun

Yasutaka Hirasawa

Yuhi Kondo

Taishi Ono

Yoichiro Sato

Kazuhiro Shimauchi

Seijiro Inaba

Kouji Yamamoto

Ying Lu

Tuo Zhuang

Takefumi Nagumo

Masafumi Wakazono

Teppei Kurita

Toshinori Ihara

Masafumi Wakazano

Provided is a polarization rendering setting unit that sets a plurality of parameters to be used for generating a polarized rendered image of an abnormality detection target. A polarized rendered image generation unit generates the polarized rendered image of the abnormality detection target on the basis of the parameters set by the polarization rendering setting unit. An abnormality detection unit detects an abnormal region of the abnormality detection target on the basis of a difference between a polarized captured image acquired by imaging the abnormality detection target and the polarized rendered image generated by the polarized rendered image generation unit. Abnormalities that are difficult to detect on the basis of luminance information and color information becomes able to be detected on the basis of polarized images.

Information processing device and information processing method

A same region detector detects a same region of a processing target for each of a plurality of different viewpoints from polarization images in a plurality of polarization directions acquired for each of the viewpoints. The polarization images in the plurality of polarization directions acquired for each of the plurality of different viewpoints are, for example, polarization images acquired by imaging over a period of a plurality of frames in which a positional relationship between the processing target and a polarization image acquisition unit that acquires the polarization images changes. A polarization degree calculation unit calculates a polarization degree of the same region for each of the viewpoints on the basis of the polarization images in the plurality of polarization directions. A reflection removal unit performs reflection removal processing on the same region of the processing target by using the polarization images in the plurality of polarization directions of the viewpoint at which the polarization degree calculated by the polarization degree calculation unit is maximized. A reflection component can be removed even when an angle between a plane direction of a reflecting surface and an imaging direction is not clear.

Image processing apparatus and image processing method which performs reflection removal processing by using polarization images

An imaging apparatus () includes an imaging unit () that has a first pixel block and a second pixel block provided in a pixel region, the first pixel block including polarization pixels with two different polarization directions and a non-polarization pixel, the second pixel block including polarization pixels with a plurality of polarization directions including a different polarization direction from the first pixel block. An image processing apparatus () acquires a captured image generated by the imaging apparatus (), and a correction coefficient calculation unit () calculates a correction coefficient that absorbs a sensitivity difference between polarization pixels and non-polarization pixels, on the basis of an image of the second pixel block. A polarization information generation unit () generates polarization information indicating the polarization characteristics of the object included in the captured image, using a non-polarization image and polarization component images generated by a demosaicing unit () and the correction coefficient calculated by the correction coefficient calculation unit (). The correction coefficient of the sensitivity difference between the polarization pixels and the non-polarization pixels can be acquired without any calibration.

Imaging apparatus, image processing apparatus, and image processing method

A polarization imaging unitacquires a polarized image including polarization pixels with a plurality of polarization directions. An information compression unitsets reference image information based on polarized image information of reference polarization pixels with at least a plurality of polarization directions in the polarized image and generates difference information between the polarized image information of each of polarization pixels different from the reference polarization pixels in the polarized image and the reference image information. In addition, the information compression unitreduces the amount of information of the difference information generated for each of the polarization pixels with the plurality of polarization directions to generate compressed image information including the reference image information and the difference information with the reduced amount of information. An information decoding unitapplies a decoding process corresponding to the compression process of the information compression unitto the compressed image information acquired through a recording mediumor a transmission pathto generate the polarized image and outputs the polarized image to a polarized image using unit

Image processing apparatus, image processing method, and program

The invalid pixel detection unitdetects an invalid pixel from a non-polarized image and a plurality of polarized images for different polarization directions obtained by performing image pickup using the polarization image pickup unit. For example, the invalid pixel detection unitdetects a saturated pixel having a pixel value larger than a preset saturation detection threshold and a black-crushed pixel having a pixel value smaller than a preset black crushing detection threshold as invalid pixels from a non-polarized image. The polarization information generation unitperforms processing of generating polarization information on the basis of the non-polarized image and polarized images and switches the processing of generating the polarization information depending on the detection result of the invalid pixels in the invalid pixel detection unit, so as to generate the polarization information without using the invalid pixels. Correct polarization information can be acquired.

Image processing device, image processing method, and image pickup device

A normal candidate information generation unit of an information processor generates normal candidate information for each pixel indicating, for example, a zenith angle, or an azimuth angle, or a zenith angle and an azimuth angle, on the basis of a polarization image in a plurality of polarization directions obtained by a polarization imaging unit. The in-plane pixel selection unit selects a plurality of pixels indicating the plane to be observed in the polarization image. A normal calculation unit calculates a normal of the plane to be observed on the basis of the normal candidate information of the pixels selected by the in-plane pixel selection unit.

Information processing apparatus and method for processing information

Provided is a polarization imaging unit that acquires a polarization image using a lens. In a parameter storage unit of an information processing unit, parameters related to a change in polarization state due to the lens which are estimated in advance from polarization state information acquired by imaging a light source in a predetermined polarization state using the lens and polarization state information indicating the polarization state of the light source, for example, change parameters indicating the change in polarization state due to the lens or correction parameters for correcting the change in polarization state due to the lens are stored. A polarization state correction unit of the information processing unit corrects the change in polarization state due to the lens, using the parameters stored in advance in the parameter storage unit.

Information processing apparatus, information processing method, and calibration apparatus

A detection apparatus has a detector for detecting, on the basis of an object area that is an area corresponding to an object in an image, an effective focus area from two or more focus areas set to the image.

Detection apparatus, detection method, detection program, and imaging apparatus

[Object] To reproduce an image to which an effect desired by a user is added. [Solution] There is provided an image processing device including: an image reverse stabilization processing unit configured to add an effect of expressing shaking to an image on the basis of shaking information on shaking of the image. In addition, there is provided an image processing device including: an image reverse stabilization processing unit configured to decide a degree of an effect of expressing shaking to be added to an image, on the basis of an expectation value of an immersed feeling of an observer with respect to the image.

Image processing device, imaging processing method, and program

The present disclosure relates to an image processing apparatus and method that enables to correctly obtain an area of a main object at the time of auto focusing. A control block selects a local focus area from information of a taken image and supplies designated focus position information indicative of the selected local focus area to an image processing block. The image processing block executes a control operation related with focusing on the basis of object area information indicative of an area corresponding to two or more objects within an image and designated focus position information indicative of a designated focus position in this image. The present disclosure is applicable to an imaging apparatus, for example.

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Tokyo, Japan

Legong Sun