Abstract: Embodiments of the subject application disclose various imaging control methods and apparatuses for a digital zoom image and various imaging devices. One of imaging control methods for a digital zoom image comprises: acquiring a digital zoom parameter; determining an actual imaging area of an image sensor according to the acquired digital zoom parameter; adjusting a pixel density distribution of the image sensor, to cause an average pixel density of the actual imaging area after adjustment to become greater than those of other areas of the image sensor; and acquiring, by using the actual imaging area with the adjusted average pixel density, an image of a scene to be photographed.

Abstract: The present application provides a tactile feedback apparatus, comprising: a contact determining module, configured to determine, on a virtual reality (VR) interactive controller, a region where contact between a user and the VR interactive controller occurs; and a tactile feedback module, configured to generate, according to relevant information of an object simulated by the VR interactive controller, at least a first contact feedback in the region where the contact occurs. The present application also provides a VR interactive system. The technical solutions provided by embodiments of the present application are used to cause that it is unnecessary to provide a tactile feedback to a user on the entire VR interactive controller, thereby greatly reducing energy consumption needed for generating a tactile feedback.

Abstract: A display unit may include a display screen device to display contents formed by pixels based on image data, a parallax barrier including pixels forming slit parts and mask parts and arranged to display an autostereoscopic presentation in combination with the display screen device, and a sensor to sense a rotation of the display unit about an axis perpendicular to a surface of the display screen device from a reference rotational position. A pixel arrangement of the display screen device and a pixel arrangement of the parallax barrier may be rotated depending on the rotation of the display unit from the reference rotational position.

Abstract: Haptic feedback generation methods and apparatuses relating to the field of haptic feedback are provided. The method comprises: in response to determining that a first part of a user body is touching a target position of an object, sending, by a device comprising a processor, a first mechanical wave to the object via a first medium comprising the first part; and sending, to the object via a second medium, a second mechanical wave that is used to form a haptic signal at the target position with the first mechanical wave, wherein the second medium comprises a second part, touching the object, of the user body. A source for forming the haptic signal can be at the target position, to cause that an effective haptic feedback to the user can be formed with little energy consumption, and poor experience of the user caused by vibration of an entire object is avoided.

Abstract: Disclosed are an alert method and apparatus, and the present application relates to the field of intelligent alert technologies. The method comprising: detecting a focusing point position of a sightline of a user; and alerting the user according to the focusing point position and a state of the user. For the method and apparatus in the embodiments of the present application, a focusing point position of a sightline of a user can be detected precisely, and the user can be alerted accurately according to the focusing point position, so that the application range of the method and apparatus is relatively wide. In addition, according to a state of a user, user data, and the like, a monitoring parameter is selected and an alert threshold is set, so that the user can be properly alerted in a more targeted manner.

Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining at least one depth distribution sub-region of content according to a display depth of field (DoF) range of a light field display device and depth distribution information of the content, wherein each depth distribution sub-region of the at least one depth distribution sub-region is located outside the display DoF range; and adjusting a focal length of a first lenslet according to at least the display DoF range and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in a lenslet array of the light field display device and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content.

Abstract: Embodiments of the present application provide an image capturing-based positioning method and an image capturing-based positioning apparatus. The method comprises: determining that an eye of a user is gazing at an auxiliary positioning object; photographing the eye of the user and acquiring a distance of the user relative to the auxiliary positioning object; capturing at least one image comprising the auxiliary positioning object; obtaining, according to the at least one image, direction information of the user relative to the auxiliary positioning object and position information of the auxiliary positioning object; and obtaining position information of the user according to the position information of the auxiliary positioning object, the distance of the user relative to the auxiliary positioning object, and the direction information.

Abstract: The present application provides a tactile feedback method, comprising: determining, on a virtual reality (VR) interactive controller, a region where contact between a user and the VR interactive controller occurs; and generating, according to relevant information of an object simulated by the VR interactive controller, at least a first contact feedback in the region where the contact occurs. The present application also provides a tactile feedback apparatus and a VR interactive system. The technical solutions provided by embodiments of the present application are used to cause that it is unnecessary to provide a tactile feedback to a user on the entire VR interactive controller, thereby greatly reducing energy consumption needed for generating a tactile feedback.

Abstract: Embodiments of the subject application disclose various light field capture control methods and apparatuses and various light field capture devices, wherein one of the light field capture control methods comprises: determining at least one sub-lens, which affects light field capture of a first region, in a sub-lens array of a light field camera, the first region being a local part of a to-be-shot scene; determining a to-be-adjusted region of an image sensor of the light field camera according to the at least one sub-lens; adjusting pixel density distribution of the image sensor, to cause average pixel density distribution of the to-be-adjusted region to be distinguished from that of other regions of the image sensor; and performing, by the adjusted image sensor, light field capture of the to-be-shot scene.

Abstract: Embodiments of the present application provide a visible light signal receiving and control method, a control apparatus, and a receiving device. The method comprises: determining a communication performance between a visible light signal receiving device and at least one visible light signal transmit device; and in response to a reduction of the communication performance between the visible light signal receiving device and the at least one visible light signal transmit device, using a first logic pixel unit of an image sensor related to the at least one visible light signal transmit device as at least two second logic pixel units for reading separately when reading inductive charges of the image sensor of the visible light signal receiving device.

Abstract: Haptic feedback generation methods and apparatuses relating to the field of haptic feedback are provided. The method comprises: sending, through a first medium comprising a first part of a user body, a first mechanical wave to an object touched by the first part; and in response to that a second part of the user body touches a target position of the object, sending, to the object through a second medium, a second mechanical wave that is used to form a haptic signal at the target position with the first mechanical wave, wherein the second medium comprises the second part of the user body. A source for forming the haptic signal can be at the target position, to cause that an effective haptic feedback to the user can be formed with little energy consumption, and poor experience of the user caused by vibration of an entire object is avoided.

Abstract: Embodiments of the present application provide a visible light signal receiving and control method, a control apparatus, and a receiving device. The method comprises: determining a communication performance between a visible light signal receiving device and at least one visible light signal transmit device; and in response to an increase in the communication performance between the visible light signal receiving device and the at least one visible light signal transmit device, combining two first logic pixel units of an image sensor related to the at least one visible light signal transmit device as one second logic pixel unit to be read, when reading an inductive charge of the image sensor of the visible light signal receiving device.

Abstract: Embodiments of the subject application disclose various light field capture control methods and apparatuses and various light field capture devices, wherein one light field capture control method comprises: acquiring depth information of a to-be-shot scene; determining target pixel density distribution information of an image sensor of a light field camera according to the depth information; adjusting pixel density distribution of the image sensor according to the target pixel density distribution information; and performing, by the adjusted image sensor, light field capture of the to-be-shot scene. The technical solution provided in the embodiments of the subject application can make full use of overall pixels of the image sensor of the light field camera to unevenly record light field information of different regions of the to-be-shot scene in a depth of field (DOF) direction, thereby improving light field capture efficiency.

Abstract: Embodiments of the present application disclose a method and an apparatus for obtaining vibration information and user equipment.

Abstract: Examples described herein include multiple control systems for medical devices, such as medical ventilators. Examples of multiple control of a medical ventilator in an isolation room are described.

Abstract: Embodiments of the present application disclose various display devices with adjustable pixel density and methods for adjusting display pixel density. One of the display devices with adjustable pixel density comprises: a plurality of display pixels distributed in an array form, and a controllably-deformable material part being separately connected to the plurality of display pixels, wherein the controllably-deformable material part may deform under an effect of an external field, so as to accordingly adjust density distribution of the plurality of display pixels.

Abstract: The present application discloses various imaging control methods and apparatuses, and various imaging devices. One of the imaging control methods includes: determining, at least according to depth information of an object to be photographed, target in focus depth positions respectively corresponding to at least two imaging sub-areas of the image sensor; controlling deformation of the image sensor so as to make depth positions of reference points of the at least two imaging sub-areas after the deformation approach or coincide with the corresponding target in focus depth positions; and acquiring, based on the image sensor after the deformation, an image of the object. Technical solutions provided by the present application may improve quality of imaging.

Abstract: The present application provides methods and devices for determining an action and/or an action part, and generally relates to the field of wearable devices. A method disclosed herein comprises: in response to that a first part on a body of a user executes an action, acquiring target blood flow information of the first part or a second part corresponding to the first part; and determining the first part and/or the action according to the target blood flow information and reference information. The methods and devices disclosed provide a new scheme for recognizing an action and/or an action part.

Abstract: Embodiments of the present application disclose image sensors with adjustable pixel density and pixel density adjustment methods thereof, wherein one of the image sensors with adjustable pixel density comprises: a plurality of image sensor pixels array-distributed; and a controllable deformed material portion respectively connected with the plurality of image sensor pixels; the controllable deformed material portion being deformable under the action of an external field and density distribution of the plurality of image sensor pixels being correspondingly adjusted through the deformation. The technical solutions of the embodiments of the present application can achieve adjustable pixel density of the image sensor, performs image acquisition based on the image sensor with adjustable pixel density, and can make full use of overall pixels of the image sensor to present differentiated resolution of different regions of an acquired image, thereby better meeting users' diversified application demands.

Abstract: Embodiments of the present application disclose various image capture control methods and apparatus. One of the image capture control methods comprises: acquiring motion information of an object; determining, according to the motion information, a relative displacement of an image that corresponds to the object on an image sensor within a first exposure duration; determining an imaging region that corresponds to the relative displacement in the image sensor; adjusting an image capture control parameter of the imaging region, to shorten the first exposure duration of the imaging region; and performing, by using the image sensor after being adjusted, an image capture on the object. In the embodiments of the present application, the degree of image blur for the imaging region due to motion of the object is reduced as far as possible, without affecting the quality of an image captured by another region of the image sensor, thereby improving overall quality of an image captured by the image sensor.