Beijing Xiaomi Mobile Software Co., Ltd.

Xiaomi Inc.

Chuanshun Ji

Zhongsheng Jiang

Guosheng Li

Gang Wang

Anyu Liu

Li Ni Zhang

Qiang Wang

Hui Du

Weixing Li

Xuebin Huang

Kun Yang

Tianyuan Wo

A touch response method includes recognizing a request for identity authentication in a process of operating an application; determining a fingerprint recognition area of the touch screen when identity authentication is required in the process of operating an application; displaying an identity authentication interface of the application according to the fingerprint recognition area, wherein the identity authentication interface does not display any interactive control in the fingerprint recognition area of the touch screen; receiving an input of a fingerprint from a user in the fingerprint recognition area; and completing the identity authentication according to the fingerprint corresponding to the touch operation when a touch operation on the fingerprint recognition area is detected one or more interactive controls.

Touch response method and device

A method and an apparatus for acquiring a fingerprint, and a computer-readable storage medium include: performing fingerprint acquisition by a fingerprint recognition chip upon a touch operation acting on a display screen of a mobile terminal being detected by a touch sensor to be in a fingerprint recognition area, and a touch pressure corresponding to the touch operation being detected by a pressure sensor to be greater than a preset pressure.

Fingerprint acquisition method, apparatus and computer-readable storage medium

A method of recognizing a biological feature is provided. In an example, the method includes: first biological feature data is obtained; a first recognition operation is performed according to the first biological feature data and biological feature template data to obtain a first recognition result; when the first recognition result indicates a match failure, second biological feature data is obtained; and a re-recognition operation is performed according to the second biological feature data and the biological feature template data to obtain a second recognition result. The second biological feature data and the first biological feature data are collected by a same biological feature collector at different moments in a same biological feature recognition process.

Recognizing biological feature

The present disclosure relates to a method for fingerprint verification. The method includes performing a first fingerprint verification to obtain a first verification result in a process during which a physical key provided with a fingerprint verification component is pressed. If the first verification result is a failed verification, the method further includes performing a second fingerprint verification to obtain a second verification result in a process during which the physical key is raised, and using the second verification result as a final verification result of fingerprint verification.

Method and device for fingerprint verification

A method for identity verification is provided. The method includes: collecting a target fingerprint for the identity verification; acquiring a fingerprint verification rule corresponding to a security level of the identity verification; performing a verification of the target fingerprint based on the fingerprint verification rule; and confirming that the identity verification is successful when the target fingerprint is verified.

Method and device for identity verification

A device for recognizing a fingerprint, includes: a fingerprint sensor; at least two moisture detection electrodes disposed within a preset range of the fingerprint sensor; and a processing module coupled to the fingerprint sensor and the at least two moisture detection electrodes. The fingerprint sensor is configured to output a fingerprint signal to the processing module when a user touches the fingerprint sensor and the at least two moisture detection electrodes with a finger. The processing module is configured to acquire a characteristic value which is positively related to an impedance between the at least two moisture detection electrodes when the user touches the fingerprint sensor and the at least two moisture detection electrodes with the finger; determine a fingerprint recognition parameter which matches the characteristic value; and perform fingerprint recognition according to the determined fingerprint recognition parameter and the fingerprint signal.

Device and method for recognizing fingerprint

The present disclosure relates to a method and an apparatus for detecting pressure. The method includes: acquiring, via a fingerprint recognition sensor, a plurality of successive fingerprint images; recognizing sweat pores in the plurality of successive fingerprint images; determining a feature of the recognized sweat pores in the plurality of successive fingerprint images; and determining a changing trend of pressure applied on the fingerprint recognition sensor over time based on a changing trend of the feature of the recognized sweat pores across the plurality of successive fingerprint images.

Method and apparatus for detecting pressure

A fingerprint entry prompting method, includes: obtaining an ientered fingerprint image, during a process of collecting and combining N fingerprint images entered in sequence to generate a fingerprint template of a user, wherein N&#x2265;i&#x2265;2, and N and i are integers; obtaining an overlap region between the ientered fingerprint image and a determined template image, wherein the determined template image is generated by combining i&#x2212;1 previously entered fingerprint images; and presenting a prompting message when the overlap region satisfies a prompting condition, wherein the prompting message is configured to instruct the user to move a finger towards a specified direction and re-enter the ifingerprint image.

Fingerprint entry prompting method and device

A color adjustment method and device are provided. The color adjustment method comprises: obtaining frame data from a frame buffer; mapping the frame data from an original color space to a linear original color space via a de-gamma correction process, so as to obtain frame data in the linear original color space; mapping the frame data in the linear original color space to a linear target color space, so as to obtain frame data in the linear target color space; and performing a gamma correction process on the frame data in the linear target color space by using a target gamma coefficient, so as to obtain frame data in a target color space.

Color adjustment method and device

The present disclosure discloses a gesture response method and device. The gesture response method is performed by an apparatus including a touch sensing device, which further includes a touch sensor. The gesture response method includes: detecting a swipe event which corresponds to a finger swiping on the touch sensor before stopping at a contact point on the touch sensor; after the swipe event, detecting a time duration for which the finger stays at the contact point; when determining that the time duration reaches a preset time duration, determining a gesture-maintaining event has occurred; and after the gesture-maintaining event is determined and before the finger is detected to leave the contact point, repeatedly executing an operation corresponding to the swipe event at a preset time interval.

Gesture response method and device

The present disclosure relates to a method and device for fingerprint recognition. The method includes: acquiring one or more recognition records indicating one or more fingerprint templates, among at least two pre-stored fingerprint templates, that have matched one or more input fingerprints during previous fingerprint recognition processes; re-ranking the at least two pre-stored fingerprint templates according to the one or more recognition records; and comparing, when receiving a new input fingerprint, the new input fingerprint with the at least two pre-stored fingerprint templates in an order according to rankings of the at least two pre-stored fingerprint templates that have been re-ranked until one of the at least two fingerprint templates matches the new input fingerprint or until all of the at least two fingerprint templates have been compared with the new input fingerprint.

Method and device for fingerprint recognition

A color adjustment method includes obtaining a current color gamut mode of a pixel, converting the current color gamut mode of the pixel to a preset color gamut mode to obtain a blue component of the pixel in the preset color gamut mode, and performing an intensity weakening adjustment on the blue component of the pixel in the preset color gamut mode.

Growing community of inventors

Beijing, China

Chuanshun Ji