Abstract: A work assistance system includes: a memory; and a processor coupled to the memory, wherein the processor executes a process including: displaying a data list in which pieces of data are arranged according to a predetermined rule, in a state being viewable by an operator; detecting a direction of a gaze movement of the operator with respect to the displayed data list; and changing a region to be highlighted in the data list, depending on whether the detected direction of the gaze movement is in a predetermined state.

Abstract: A non-transitory computer-readable storage medium storing a program that causes a processor of a head mounted display to execute a process, the process includes obtaining a result of measurement performed by an acceleration sensor included in the head mounted display; and determining whether a user with the head mounted display is chewing a food or the user is speaking based on the result of the measurement performed by the acceleration sensor.

Abstract: An interest degree determination device detects a gaze position of a first user included in a plurality of users on the basis of image information. When a second user other than the first user is present in the vicinity of the first user, the interest degree determination device determines whether the gaze position of the first user has been affected by the second user. The interest degree determination device stores a determination result of a determination unit and the gaze position of the first user in a storage unit so as to be associated with each other.

Abstract: A non-transitory computer-readable storage medium storing a program that causes a processor of a head mounted display to execute a process, the process includes obtaining a result of measurement performed by an acceleration sensor included in the head mounted display; and determining whether a user with the head mounted display is chewing a food or the user is speaking based on the result of the measurement performed by the acceleration sensor.

Abstract: A work assistance system includes: a memory; and a processor coupled to the memory, wherein the processor executes a process including: displaying a data list in which pieces of data are arranged according to a predetermined rule, in a state being viewable by an operator; detecting a direction of a gaze movement of the operator with respect to the displayed data list; and changing a region to be highlighted in the data list, depending on whether the detected direction of the gaze movement is in a predetermined state.

Abstract: A non-transitory computer-readable storage medium storing an information processing program that causes a computer to execute a process, the process including capturing an image by using a first camera included in an information processing terminal, detecting a gaze direction of a user included in the image when presented information is displayed on a screen of the information processing terminal, capturing an image by using a second camera included in the information processing terminal when the presented information is displayed on the screen, and performing an output control of warning corresponding to the presented information based on the detected gaze direction and the image captured by using the second camera.

Abstract: A sight line identification apparatus includes a sight line sensor configured to output a signal in accordance with a sight line, a memory configured to store positional information between a plurality of objects, and a processor coupled to the memory and configured to produce a sight line pattern including a position of the sight line or a direction of the sight line based on the output signal from the sight line sensor estimate each objects pointed to by the sight line and an order of the objects pointed to by the sight line, based on information including the positional information and the sight line pattern, and when there are a plurality of combinations of the estimated objects and the estimated order of the objects, select one of the plurality of combinations based on the positional information.

Abstract: An interest degree determination device detects a gaze position of a first user included in a plurality of users on the basis of image information. When a second user other than the first user is present in the vicinity of the first user, the interest degree determination device determines whether the gaze position of the first user has been affected by the second user. The interest degree determination device stores a determination result of a determination unit and the gaze position of the first user in a storage unit so as to be associated with each other.

Abstract: An information processing apparatus includes: a memory, and a processor coupled to the memory and configured to: calculate a first distance between an end of a first line in an object for reading displayed on a display screen and a beginning of a second line that is next to the first line in the object, and set, in accordance with the first distance, a condition for determining whether the object has been finished reading by a user based on detecting movement of a gaze position of the user on the display screen.

Abstract: An information processing apparatus, includes: a memory, and a processor coupled to the memory and configured to: obtain a gaze position of a user on a display screen, determine whether an object for reading, displayed on the display screen, has been finished reading by the user, based on a threshold and the number of times where movement of the gaze position indicates a newline, the threshold being set in accordance with the number of lines in the object, and change at least one of the threshold and the number of times in response to detection that the movement of the gaze position becomes movement of a certain distance or greater in a second direction different from a first direction of movement indicating a newline.

Abstract: An information processing apparatus, includes: a memory, and a processor coupled to the memory and configured to: obtain a gaze position of a user on a display screen, determine whether an object for reading, displayed on the display screen, has been finished reading by the user, based on a threshold and the number of times where movement of the gaze position indicates a newline, the threshold being set in accordance with the number of lines in the object, and change at least one of the threshold and the number of times in response to detection that the movement of the gaze position becomes movement of a certain distance or greater in a second direction different from a first direction of movement indicating a newline.

Abstract: An information processing apparatus includes: a memory, and a processor coupled to the memory and configured to: calculate a first distance between an end of a first line in an object for reading displayed on a display screen and a beginning of a second line that is next to the first line in the object, and set, in accordance with the first distance, a condition for determining whether the object has been finished reading by a user based on detecting movement of a gaze position of the user on the display screen.

Abstract: A perusing determination device includes a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, detecting a movement direction of a line-of-sight of a user reading a document; measuring time for the user to read each line of the document based on a detection result of the detecting; and determining whether the user has perused the document based on variation of time for reading the each line.

Abstract: An image display device includes a creation unit configured to calculate histogram data before correction that indicates a luminance distribution from an input image data; a clip processing unit configured to set a value of the number of pixels of a tone to an upper threshold when the tone among tones of luminance values in the histogram data; an addition unit configured to add a value of the number of pixels based on a difference between the upper threshold and a value of the number of pixels for each tone that is set to the upper threshold in the histogram data before correction to a value of the number of pixels of at least a part of tones that are present between a first luminance value and a second luminance value and to output obtained corrected histogram data; and a correction unit configured to correct the input image data.

Abstract: An image processing apparatus includes a calculation to calculate a compression gain that is applied to a low-frequency component of an input image and an amplification gain that is applied to a high-frequency component of the input image, a generation to generate a display image in which a pixel value of a pixel of the input image is corrected based on the compression gain and the amplification gain calculated by the calculation unit, and a display to display the display image.

Abstract: An illuminance change detector obtains detected illuminance values from a plurality of illuminance detectors, and determines whether the illuminance value detected by each illuminance detector changed from an illuminance range to another illuminance range. When the illuminance value detected by at least one of the plurality of illuminance detectors changed from the illuminance range to the other illuminance range, an image quality control unit sets different timing to change an image quality adjustment value for a display image from an image quality adjustment value corresponding to the illuminance range to an image quality adjustment value corresponding to the other illuminance range, depending on how many of the illuminance values detected by the illuminance detectors changed from the illuminance range to the other illuminance range.

Abstract: An illuminance change detector obtains detected illuminance values from a plurality of illuminance detectors, and determines whether the illuminance value detected by each illuminance detector changed from an illuminance range to another illuminance range. When the illuminance value detected by at least one of the plurality of illuminance detectors changed from the illuminance range to the other illuminance range, an image quality control unit sets different timing to change an image quality adjustment value for a display image from an image quality adjustment value corresponding to the illuminance range to an image quality adjustment value corresponding to the other illuminance range, depending on how many of the illuminance values detected by the illuminance detectors changed from the illuminance range to the other illuminance range.

Abstract: A display device includes: light sources that emit light in accordance with light emission currents, respectively, and that have overlapping illuminated areas illuminated with the emitted light; and a management unit that stores, as usage history, the amount of light emission current used by each of the light sources in association with the usage period. Accordingly, in the display device including the light sources arranged advantageously with respect to the manufacturing cost, the lives of the light sources can be extended by reducing the power consumption.

Abstract: An image display device includes a creation unit configured to calculate histogram data before correction that indicates a luminance distribution from an input image data; a clip processing unit configured to set a value of the number of pixels of a tone to an upper threshold when the tone among tones of luminance values in the histogram data; an addition unit configured to add a value of the number of pixels based on a difference between the upper threshold and a value of the number of pixels for each tone that is set to the upper threshold in the histogram data before correction to a value of the number of pixels of at least a part of tones that are present between a first luminance value and a second luminance value and to output obtained corrected histogram data; and a correction unit configured to correct the input image data.

Abstract: An image processing apparatus includes a calculation unit to calculate a compression gain that is applied to a low-frequency component of an input image and an amplification gain that is applied to a high-frequency component of the input image, a generation unit to generate a display image in which a pixel value of a pixel of the input image is corrected based on the compression gain and the amplification gain calculated by the calculation unit, and a display unit to display the display image.