Fujitsu Corporation

Shanshan Yu

Masayoshi Shimizu

Takeshi Otani

Norihiro Kakuko

Satoshi Nakashima

Kiyonori Morioka

A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process, the process includes calculating second information indicating a line of sight of the second user in the call performing period based on second user images displayed on the first display; estimating a display region of the first user images in a screen of a second display in the second display that displays the content and the first user images, based on a difference between the line of sight of the second user in the first period and the line of sight of the second user in the second period indicated in the second information; and estimating whether the second user looks at the first user images displayed on the second display in the call performing period based on the estimated display region of the first user images and the second information.

Storage medium, information processing apparatus, and line-of-sight information processing method

A method includes: executing acquisition processing that includes acquiring an image frame captured by an imaging apparatus; executing a determination processing that includes determining whether a head region is included in the acquired image frame; executing calculation processing that includes calculating a first amount of change in time series of the head region by using a position of the head region in the image frame and a position of the head region in another image frame following the image frame; executing determination processing that includes determining a threshold to be compared with the first amount of change based on a frequency distribution of amounts of change in time series of the head region in a past image frame group prior to the acquired image frame; and executing evaluation processing that includes evaluating the first amount of change by comparing the determined threshold and the first amount of change.

Image processing method, image processing apparatus, and non-transitory computer-readable storage medium storing program for image processing having gesture recognition

An apparatus for motion determination includes: a memory; and a processor coupled to the memory, the processor being configured to (a) execute a specifying process that includes specifying an orientation of a head portion of a subject, (b) execute a calculation process that includes calculating a trajectory of a position of the head portion of the subject in a vertical direction and a trajectory of the position of the head portion of the subject in a transverse direction in a predetermined time range, and (c) execute a determination process that includes when the calculated trajectory in the vertical direction and the calculated trajectory in the transverse direction satisfy a determination condition for the specified orientation of the head portion, determining that there is a predetermined motion mapped to a motion of the head portion of the subject in the vertical direction.

Motion determining apparatus, method for motion determination, and non-transitory computer-readable storage medium for storing program

A method for estimating body orientation includes: executing extraction processing for extracting a person region from images; executing an identification processing for identifying a left site and a right site in the person region; executing calculation processing for calculating a left moving amount and a right moving amount; and executing estimation processing for estimating body orientation in the person region based on a first difference and relation information, the first difference being a difference between the left moving amount and the right moving amount, the relation information including first and second relation information, the first relation information indicating a relationship between the first difference and a change amount when the left moving amount is larger than the right moving amount, and the second relation information indicating a relationship between the first difference and the change amount when the right moving amount is larger than the left moving amount.

Method for estimating body orientation

An information processing apparatus includes a memory, and a processor coupled to the memory and configured to obtain a plurality of images of a subject captured at different timings, detect a feature point of the subject from each of the plurality of images, identify a movement locus of the feature point between the plurality of images, identify a center position of a circle having the movement locus as an arc, and determine a posture of the subject based on the identified center position.

Information processing apparatus, method, and non-transitory computer-readable storage medium

An information processing apparatus including a memory, and a processor coupled to the memory and the processor configured to execute a process, the process including extracting a moving object area corresponding to a moving object included in a plurality of frames in a moving image based on a result of a comparison between the plurality of frames with each other, tracking a position of the moving object area among the plurality of frames, determining, for each of the plurality of frames, an image area excluding the moving object area to be a background area whose position moves more than a defined period of time, and updating a background image of the moving image based on a result of the determining.

Information processing apparatus, background image update method, and non-transitory computer-readable storage medium

A method includes extracting a plurality of feature points from a first image and a second image of an image-capture target, acquiring, from the second image, for each of the plurality of feature points in the first image, a set of points having a correlation with the feature point, identifying, for each of the plurality of feature points in the second image, a position of a center of gravity of the set of points, and determining an amount of movement of the image-capture target by performing weighting processing, the weighting processing being performed on each of amounts of displacements and a number of points in the set of points acquired for each of the plurality of feature points, each of the amounts of displacements being a displacement from a position of each of the plurality of feature points in the first image to the position of the center of gravity.

Method of determining an amount, non-transitory computer-readable storage medium and information processing apparatus

A terminal device includes, a processor; and a memory which stores a plurality of instructions, which when executed by the processor, cause the processor to execute, obtaining information that indicates a state of an imaging unit when photographing a subject; determining whether an image photographed by the imaging unit includes blurriness due to shaking of the imaging unit based on the obtained information; and using an image determined as not including blurriness in the determining to detect a line of sight of the photographed subject.

Terminal device and line of sight detection method

An image processing apparatus includes a storing unit that stores dictionary data including information on a feature area that indicates an area where a feature of a subject appears; and a subject determination unit that compares, when an input image is acquired, the feature area of the dictionary data with an area of the input image corresponding to the feature area of the dictionary data, to determine whether the input image includes the subject.

Image processing apparatus and image processing method

An image processing device includes a storage unit that stores dictionary information; a generating unit that extracts, from an input image, a plurality of characteristic point candidates, and generates a plurality of combinations that each include a plurality of characteristic point candidates; a removing unit that removes, for each of the combinations, at least one characteristic point candidate based on at least one of the dictionary information and information obtained by analyzing the input image; and a determining unit that acquires, for each of the combinations, results of matching the dictionary information with the combination of which the at least one characteristic point candidate has been removed, selects a combination of characteristic point candidates based on the acquired matching results, and determines, as the characteristic points, the plurality of characteristic point candidates included in the selected combination.

Image processing device and recording medium storing image processing program

An image processing apparatus includes an analysis processing unit that quantizes an input image in two levels by replacing an area of the input image where a feature of a subject appears with a first pixel value and replacing an area of the input image where no feature of the subject appears with a second pixel value when the input image is acquired; a storing unit that stores dictionary data including a feature of a plurality of face images quantized by the analysis processing unit; and a face detection processing unit that performs face detection on a detection target image by using the dictionary data read from the storing unit, the detection target data being quantized by the analysis processing unit.

An image processing device includes a dictionary data storage unit to store dictionary data regarding features that a plurality of objects has, an arithmetic unit to compute feature data of an input image based on information of the input image that includes an object with a specific feature among the plurality of objects, and a calculation unit to calculate a parameter for adjusting the dictionary data regarding the object with the specific feature based on the feature data and the dictionary data.

Device, method and program on a storage medium to adjust dictionary data related to objects with specific features

An image processing apparatus includes a conversion unit that converts an input image into a plurality of frequency components; a first quantization threshold calculating unit that calculates a first quantization threshold corresponding to a first frequency component among the plurality of frequency components of the input image converted by the conversion unit, based on a statistic value of the first frequency component; a second quantization threshold calculating unit that calculates a second quantization threshold corresponding to a second frequency component other than the first frequency component among the plurality of frequency components, based on the first quantization threshold calculated by the first quantization threshold calculating unit; and a quantization unit that quantizes the first frequency component and the second frequency component by using the first quantization threshold and the second quantization threshold, respectively.

An image correction apparatus calculates a feature value indicative of an average brightness of an input image from the pixel values of the input image and determines a pixel value at a boundary for correcting each pixel of the input image to make it brighter or darker by using the calculated feature value of the input image. The image correction apparatus calculates, with respect to the pixel value of each pixel of the input image, an area for determining a contrast correction amount for a pixel value smaller than the pixel value at the determined boundary such that a pixel is to be made darker and calculates an area for determining a contrast correction amount for a pixel value larger than the pixel value at the determined boundary such that a pixel is to be made brighter, thereby correcting the contrast of the input image by using the calculated areas.

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Kawasaki, Japan

Shanshan Yu