An image processing method that generates high-resolution image data from low-resolution image data and an image receiving apparatus that is operated by the image processing method are provided.

In the image processing method that generates high-resolution image data from low-resolution image data, the low-resolution image data is divided to generate a plurality of first image data, among the plurality of first image data, one of two adjacent image data is second image data, and the other is third image data. Surroundings of the second image data are supplemented with pixel data to generate fourth image data. The pixel data includes part of the third image data. A convolutional neural network using the fourth image data as an input is implemented, fifth image data is output from the convolutional neural network, and a plurality of the fifth image data is combined to generate high-resolution image data. The image receiving apparatus is operated by the image processing method.

Provide is a video signal processing apparatus that automatically switches between input and output functions of a terminal. A video signal processing apparatus includes an input terminal, a conversion portion that converts a video signal input from the input terminal to generate a conversion signal, an input/output terminal that outputs the conversion signal, a detection portion that detects a signal input from the input/output terminal, a determination portion that determines whether the detected signal is a specific signal, and an output terminal that outputs the conversion signal in accordance with a determination result by the determination portion.

An adjusting device includes an acquisition unit that acquires a non-linear first video signal generated using a first opto-electronic transfer function (OETF), a converter that performs conversion processing of converting the first video signal acquired by the acquisition unit into a non-linear second video signal obtained (i) by converting the first video signal into a linear signal using an inverse characteristic of the first OETF, (ii) by performing adjusting processing including a gain change in which a relationship between an input value and an output value becomes linear on the linear signal, and (iii) by converting a post-adjustment linear signal obtained by performing the adjusting processing using a second OETF corresponding to a predetermined format, and an output unit that outputs the second video signal obtained by a conversion performed by the converter.

Presently described are systems and methods for identifying a mute/sound attribute of an audio sample set having first-channel samples and second-channel samples. An embodiment takes the form of a method that includes: (i) receiving the audio sample set; (ii) for each first-channel sample, determining a first max amplitude and a first min amplitude; (iii) calculating a first span based on a first function of the first max amplitude and the first min amplitude; (iv) for each second-channel sample, determining a second max amplitude and a second min amplitude; (v) calculating a second span based on a function of the second max amplitude and the second min amplitude; and (vi) identifying the audio sample set as having a sound attribute if both the first span and the second span are greater than a min-volume threshold.

A display system includes a conversion apparatus converting video luminance including a luminance value in a first luminance range and a display apparatus connected thereto and displaying the video. The conversion apparatus includes a first acquisition unit, a first luminance converter, a second luminance converter, a quantization converter, and an output unit outputting a third luminance signal to the display apparatus. The display apparatus includes: a second acquisition unit acquiring the third luminance signal and setting information indicating display settings recommended to the display apparatus in display of the video; a display setting unit setting the display apparatus, using the setting information; a third luminance converter converting a third code value indicated by the third luminance signal into a second luminance value compatible with a second luminance range, using the setting information; and a display controller displaying the video on the display apparatus based on the second luminance value.

A display system includes a conversion apparatus converting video luminance including a luminance value in a first luminance range and a display apparatus connected thereto and displaying the video. The conversion apparatus includes a first acquisition unit, a first luminance converter, a second luminance converter, a quantization converter, and an output unit outputting a third luminance signal to the display apparatus. The display apparatus includes: a second acquisition unit acquiring the third luminance signal and setting information indicating display settings recommended to the display apparatus in display of the video; a display setting unit setting the display apparatus, using the setting information; a third luminance converter converting a third code value indicated by the third luminance signal into a second luminance value compatible with a second luminance range, using the setting information; and a display controller displaying the video on the display apparatus based on the second luminance value.

The present technology is to enable a transmitter device to read appropriate device information (EDID) from a receiver device with a reduced burden on the user.

A memory unit that stores first device information and second device information, and a communication unit that communicates with an external device are included. The control unit determines to cause the external device to read the second device information, on the basis of reception of a rewrite signal for the first device information from the external device. It is possible to cause the external device (a transmitter device) to read appropriate device information (EDID) from a receiver device (a reception device) with a reduced burden on the user, and thus, user-friendliness can be increased.

Even when a watching position or a watching direction of a viewer for a video changes, video display with favorable visibility is obtained. A video display apparatus that receives an input of a video input signal and that displays a video based on the video input signal includes a viewer detection unit that detects a positional relation between a screen on which the video is displayed and a viewer who watches the video and that generates viewer position information including the detection result, an image processing unit that executes image correction processing for a correction region which is such a partial region of an image based on the video input signal as being set in correspondence with viewer position information, and a video display unit that displays, on the screen, a video based on a corrected video signal having been subjected to the image correction processing.

A transmission method in the present disclosure includes; obtaining an image and image signal characteristics information indicating one of an opto-electrical transfer function (OETF) or an electro-optical transfer function (EOTF) as image signal characteristics of the image; and transmitting a signal including the image and the image signal characteristics information. According to the transmission method in the present disclosure, a receiving device that received a high dynamic range (HDR) image and a standard dynamic range (SDR) image transmitted through broadcasting or the like can display these images appropriately.

Provided is a video processor. The video processor includes: a receiving module, configured to receive source video display data and parse the source video display data as valid video display data; a pre-processing module, configured to generate valid video display data in a predetermined video format; an image quality processing module, configured to adjust image quality parameters to output a first video screen; a post-processing module, configured to extract video parameters, generate a blended screen, and blend the blended screen on the first video screen; and a video output module, configured to perform data format conversion on valid video display data of the first video screen and valid video display data of the blended screen to encapsulate as output video display data, and output the output video display data to an external display to blend the blended screen on the first video screen.