Abstract: A method of an optical detecting device for synchronizing an exposure timing sequence of an image detector with a light emitting timing sequence of a reference light source is disclosed. The method includes capturing a continued image set according to a predetermined period, analyzing intensity variation of the continued image set, and adjusting the exposure timing sequence of an image detector according to the intensity variation, so as to synchronize the exposure timing sequence of the image detector with the light emitting timing sequence of the reference light source.

Abstract: A method of synchronization adjustment is applied to an optical detecting device, so as to synchronize an exposure timing sequence of an image detector with a light emitting timing sequence of an indicating light source. The method includes acquiring a continued image set, analyzing intensity of each image of the continued image set, and adjusting the exposure timing sequence according to duty cycle of the image detector and intensity ratio of at least two images. An exposure frequency of the image detector is greater than a flickering frequency of the indicating light source.

Abstract: The present invention discloses a touch panel apparatus, system and an operation method using for the same system. The apparatus recognizes a track of an object for executing a corresponding gesture function, and it includes: a touch control surface for the object to move on or above to form the track; at least one image sensor for capturing a plurality of continuous pictures including images of the object; and a processor for obtaining a plurality of displacement vectors according to changes in positions of the images of the object, comparing the displacement vectors with a set of basic vectors to obtain a code or a set of codes, and recognizing the code or the set of codes to execute the corresponding gesture function.

Abstract: A resistive touch controlling system includes a first sensing module, a second sensing module and a processing circuit. The first sensing module includes a plurality of sensing line groups. The processing circuit is electrically coupled to the first sensing module and the second sensing modules. When the first sensing module senses at least two touch points, the processing circuit takes a combination of touch points sensed by the first and second sensing modules as a first candidate list. After that, the processing circuit turns off some of the sensing line groups of the first sensing module sensing one of the sensed touch points, and takes a touch point(s) sensed by the first sensing module and the second sensing module as the second candidate list. Finally, the processing circuit compares the first candidate list with the second candidate list to determine a current touch sensing result.

Abstract: There is provided a physiological detection device including a finger detection unit, a storage unit and a processing unit. The finger detection unit is configured to detect a current track drawn by a current user and current physiological information of the current user. The storage unit is configured to previously store track features of predetermined tracks drawn, for a predetermined time interval or a predetermined times on the finger detection unit, by a plurality of users and each of the track features is associated with one of the users. The processing unit is configured to analyze the current track and identify the current user according to the track features in the storage unit. There is further provided a physiological detection method and a user identification method.

Abstract: A motion sensing method for an object includes: receiving a distance detection result which is used for indicating distance detection information of the object in a neighborhood of a motion sensing apparatus; and determining whether to perform optical motion sensing upon the object of the neighborhood according to the distance detection result.

Abstract: The present invention discloses an optical touch panel system and a positioning method for positioning an object in a touch control area. The system includes: at least two reflective elements respectively disposed on a first side and a second side of the touch control area, wherein the sum of lengths of the first side and the second side is larger than the sum of lengths of the two reflective elements; two lighting elements respectively disposed on a third side and a fourth side of the touch control area; an image sensor forming projected images by capturing an image of the object and at least one mirror image of the object formed by the two reflective elements; and a processor calculating the coordinates of the object according to geometric information of the projected images.

Abstract: A light source transmits detecting light toward an object. The object reflects the detecting light and forms a reflected light. A sensor is used for sensing the reflected light. Then, an exposure control unit coupled to the sensor performs luminance convergence on the reflected light according to luminance of the reflected light sensed by the sensor. And a distance measurement device coupled to the sensor detects a distance between the object and the light source and/or the sensor according to an image position of the reflected light on the sensor.

Abstract: There is provided a capacitive touch device including a controlling and processing circuit and a touch panel. The touch panel has a plurality of detection cells arranged in matrix. The controlling and processing circuit is configured to input a drive signal to the detection cells of the touch panel and read measurement data from the detection cells for post-processing, wherein the controlling and processing circuit reads a first sampling number of the measurement data of the detection cells in a normal mode and a second sampling number of the measurement data of the detection cells in a sleep mode, and the second sampling number is lower than the first sampling number.

Abstract: An optical pointing system includes a plurality of light sources, an image receiver, and an analyzing unit. The plurality of light sources are disposed on multiple locations of an object and configured to provide light having distinct wavelengths. The image receiver is configured to detect optical signals of the plurality of light sources, thereby generating a plurality of corresponding images. The analyzing unit is configured to calculate a relative position or angle of the image receiver with respect to the object according to the images.

Abstract: An electronic apparatus includes a circuit system, a camera sensing circuit, and an object sensing circuit. The circuit system is utilized for controlling an operation of the electronic apparatus. The camera sensing circuit is coupled to the circuit system and utilized for sensing at least a portion of a portrait of a user. The object sensing circuit is coupled to the circuit system and utilized for sensing whether any object(s) is/are near to the electronic apparatus. The operation of the object sensing circuit is different from the operation of the camera sensing circuit. The camera sensing circuit is used for determining whether to notify the circuit system to switch from a first operation mode to a second operation mode. The object sensing circuit is used for determining whether to notify the circuit system to switch from the second operation mode to the first operation mode.

Abstract: Method for increasing accuracy of heart rate measuring includes sensing a finger of a user for generating sensed images of the finger, obtaining displacement information of the finger according to the sensed images, then using the motion information to compensate the sensed images of the finger, and finally using brightness variation of the compensated sensed images of the finger to measure heart rate of the user.

Abstract: A recognition system is used for recognizing an operation of a user. The recognition system includes a sensor module, a processing device, a playing device, and data storage device. The sensor module is used for generating a first sensing signal according to an operation of a user. The data storage device stores a plurality of objects. The processing device compares the first sensing signal with the plurality of objects to generate a recognition result in response to the first sensing signal. The playing device is used for playing the recognition result. The sensor module is used for, after the recognition result is played, recognizing a response of the user to generate a second sensing signal, and feeding the second sensing signal back to the processing device. The processing device judges whether the recognition result corresponding to the first sensing signal is correct according to the second sensing signal.

Abstract: There is provided a gesture detection device including two linear image sensor arrays and a processing unit. The processing unit is configured to compare sizes of pointer images in the image frames captured by the two linear image sensor arrays in the same period or different periods so as to identify a click event.

Abstract: There is provided a gesture detection device including two linear image sensor arrays and a processing unit. The processing unit is configured to compare sizes of pointer images in the image frames captured by the two linear image sensor arrays in the same period or different periods so as to identify a click event.

Abstract: A distance-measuring device includes a light-emitting/sensing controlling circuit, a light-emitting component, a light-sensing group, a background-calculating circuit, a frequency-adjusting circuit, and a distance-calculating circuit. The light-emitting component emits a detecting light to a measured object. The light-emitting/sensing controlling circuit controls the light-sensing group receiving and accumulating the energy of a reflective light generated by the measured object reflecting the detecting light, so that the distance-calculating circuit can calculate a measured distance between the measured object and the distance-measuring device according the accumulated energy of the light-sensing group. In addition, the distance-measuring device calculates the energy accumulated by the light-sensing group sensing the background light per unit time, by means of the background-calculating circuit.

Abstract: There is provided a capacitive touch sensing device including a sensing element, a drive unit, a detection circuit and a processing unit. The sensing element has a first electrode and a second electrode configured to form a coupling capacitance therebetween. The drive unit is configured to input a drive signal to the sensing element. The detection circuit is configured to detect a detection signal coupled to the second electrode from the drive signal through the coupling capacitance and to modulate the detection signal respectively with two signals to generate a two-dimensional detection vector. The processing unit identifies a touch event according to the two-dimensional detection vector.

Abstract: The present invention provides a lane departure warning system including an image sensing device, an identification module and a determination module. The image sensing device generates a video. The identification module identifies a plurality of lane lines of at least one lane on which a vehicle is currently driven from the video, to generate an identification result, wherein the identification result is generated based on specific borderlines of the lane lines. The determination module determines a determination strategy according to vehicle speed information, and generates a determination result according to the determination strategy and the identification result. The lane departure warning system determines whether to issue a warning according to the determination result.

Abstract: There is provided a pointing system including an image sensor, a plurality of reference marks and a processing unit. The image sensor is configured to capture image frames containing at least one reference mark image of the reference marks. The processing unit is configured to recognize an image number of the reference mark image and calculate an aiming point coordinate according to a positioning algorithm associated with the image number.

Abstract: A locating method applied to an optical touch device is disclosed. The optical touch device includes at least one image detecting component for detecting an imaging position of an object and generating a touch position of the object on a plane according to the imaging position. The at least one image detecting component includes a plurality of pixels. The locating method includes dividing the pixels into a first group and a second group along a first direction, analyzing dimension ratios of a darkness point respectively relative to the first group and the second group when the darkness point formed by the object is simultaneously detected by the first group and the second group, and calculating the imaging position of the darkness point inside the image detecting component according to the dimension ratios.