Patent application number | Description | Published |
20130135462 | OPTICAL TOUCH DEVICE AND IMAGE PROCESSING METHOD FOR OPTICAL TOUCH DEVICE - An optical touch device includes at least one light source, a first image capturing module, a second image capturing module and a control module. The at least one light source is disposed outside a display unit for emitting light to an object. The first image capturing module and the second image capturing module respectively capture images of an object, and a relative position between the first image capturing module and the second image capturing module can be adjusted. The control module is coupled to the first image capturing module and the second image capturing module for calculating a coordinate value of the object according to the images of the object captured by the first image capturing module and the second image capturing module and the relative position between the first image capturing module and the second image capturing module. | 05-30-2013 |
20130141327 | GESTURE INPUT METHOD AND SYSTEM - A gesture input method is provided. The method is used in a gesture input system to control a content of a display. The method includes: capturing, by a first image capturing device, a hand of a user and generating a first grayscale image; capturing, by a second image capturing device, the hand of the user and generating a second grayscale image; detecting, by an object detection unit, the first and second grayscale images to obtain a first imaging position and a second imaging position corresponding to the first and second grayscale images, respectively; calculating, by a triangulation unit, a three-dimensional space coordinate of the hand according to the first imaging position and the second imaging position; recording, by a memory unit, a motion track of the hand formed by the three-dimensional space coordinate; and recognizing, by a gesture determining unit, the motion track and generating a gesture command. | 06-06-2013 |
20130141389 | PORTABLE OPTICAL TOUCH SYSTEM AND OPERATING METHOD THEREOF - A portable optical touch system is disclosed in the present invention. The portable optical touch system includes two camera devices movably connected with each other and respectively disposed on two corners of a plane. Each camera device includes an imaging module for capturing an image of an object on the screen, an adjusting module connected to the imaging module for determining whether the two imaging modules are positioned on the same plane, and a measuring module connected to the imaging module for calculating a distance between the two imaging modules. The portable optical touch system further includes a controlling unit electrically connected to the camera device for calculating a coordinates of the object on the plane by analyzing the distance between the imaging modules and the images captured by the imaging modules. | 06-06-2013 |
20130141394 | ELECTRONIC SYSTEMS AND TRACK DETECTION METHODS - An electronic system is provided, including a writing device, first and second image capturing units and a control module. The writing device has a pen point to write on a writing board, and has a first light-emitting unit to emit a first detection light. The first and second image capturing units are respectively disposed on a first corner and a second corner of the writing board to receive the first detection light in a writing mode, in order to respectively generate first and second image signals. The control module obtains the coordinates of the writing device on the writing board according to the first and second image signals, such that, when the writing device writes on the writing board, the control module determines to operate in the writing mode, and simultaneously records a writing track of the writing device. | 06-06-2013 |
20130162600 | TOUCH METHOD AND TOUCH SYSTEM - A touch method and a touch system using the same are disclosed. The touch system comprises a display panel and an image sensing module. The touch method comprises the following steps: detecting and acquiring a coordinate position of a touch object entering a sensing region of the display panel; determining whether the touch object is moving or situated at a fixed point according to the coordinate position; sensing a first reflective luminance generated by the touch object at a point via the image sensing module; sensing a second reflective luminance generated by the touch object at the point via the image sensing module after a time period; comparing the first and the second reflective luminance; if the first reflective luminance is different from the second reflective luminance, then determining that the touch object is performing a fixed point rotation; executing a corresponding instruction according to the fixed point rotation. | 06-27-2013 |
20130249867 | Optical Touch Control Device and Method for Determining Coordinate Thereof - An optical touch control device includes a touch zone, an optical module, including a light source and a sense module for emitting a light signal to a touch object within the touch zone and obtaining an image data of the touch object via the sense module, and a calculation module coupled to the optical module for determining a touch coordinate of the touch object relative to the touch zone according to a pulse of the image data, wherein the pulse comprises a position parameter and a value parameter. | 09-26-2013 |
20130257736 | GESTURE SENSING APPARATUS, ELECTRONIC SYSTEM HAVING GESTURE INPUT FUNCTION, AND GESTURE DETERMINING METHOD - A gesture sensing apparatus configured to be disposed on an electronic apparatus is provided. The gesture sensing apparatus includes at least one optical unit set disposed beside a surface of the electronic apparatus and defining a virtual plane. Each of the optical unit set includes a plurality of optical units, and each of the optical units includes a light source and an image capturing device. The light source emits a detecting light towards the virtual plane. The virtual plane extends from the surface toward a direction away from the surface. The image capturing device captures an image along the virtual plane. When an object intersects the virtual plane, the object reflects the detecting light in the virtual plane into a reflected light. The image capturing device detects the reflected light to obtain information of the object. An electronic system having a gesture input function is also provided. | 10-03-2013 |
20130257809 | OPTICAL TOUCH SENSING APPARATUS - An optical touch sensing apparatus configured to sense a touch around a surface is provided. The optical touch sensing apparatus includes a plurality of optical unit sets respectively defining a plurality of virtual planes. Each of the optical unit sets includes a plurality of optical units, and each optical unit of each optical unit set includes a light source and an image capturing device. The light source emits a detecting light towards the corresponding virtual plane, and the image capturing device captures an image along the corresponding virtual plane. When an object intersects any of the virtual planes, the object reflects the detecting light transmitted in the virtual plane into a reflected light. The image capturing device corresponding to the virtual plane detects the reflected light to obtain information of the object. | 10-03-2013 |
20130278493 | GESTURE CONTROL METHOD AND GESTURE CONTROL DEVICE - A gesture control method includes steps of capturing at least one image; detecting whether there is a face in the at least one image; if there is a face in the at least one image, detecting whether there is a hand in the at least one image; if there is a hand in the at least one image, identifying a gesture performed by the hand and identifying a relative distance or a relative moving speed between the hand and the face; and executing a predetermined function in a display screen according to the gesture and the relative distance or according to the gesture and the relative moving speed. | 10-24-2013 |
20130278563 | OPTICAL TOUCH DEVICE AND TOUCH SENSING METHOD - An optical touch device includes an indication plane, two image sensing units and a processing unit. The two image sensing units are disposed at two corners of the indication plane diagonal to each other, respectively, and the two corners define a diagonal line connected therebetween. The processing unit is electrically connected to the two image sensing units. When two touch points are performed on the indication plane, the processing unit determines whether the two touch points are located at opposite sides of the diagonal line, respectively, according to images sensed by the two image sensing units. Once the two touch points are located at opposite sides of the diagonal line, respectively, the processing unit calculates and outputs coordinates of the two touch points immediately according to the images sensed by the two image sensing units. | 10-24-2013 |
20130314378 | OPTICAL TOUCH MODULE AND METHOD FOR DETERMINING GESTURES THEREOF AND COMPUTER-READABLE MEDIUM - An optical touch module, a method for determining gestures thereof and a computer-readable medium are provided. The method includes the following steps. A plurality of first sensing results outputted by a first optical sensor which continuously senses a touch area from a first corner of the touch area are obtained. A plurality of second sensing results outputted by a second optical sensor which continuously senses the touch area from a second corner of the touch area are obtained. A gesture is determined according a first center of a plurality of first touch reference points of each of the first sensing results and a second center of a plurality of second touch reference points of each of the second sensing results. | 11-28-2013 |
20130321298 | ELECTRONIC DEVICES AND COMMAND INPUT METHODS THEREOF - An electronic device is provided, including a housing, at least one tap sensing unit and a processing unit. The housing has a touch surface, in which, when the touch surface is tapped more than one time in a predetermined interval, shock waves are generated. The tap sensing unit receives the shock waves to generate a moire signal. The processing unit obtains a shock wave source number of each of the shock waves according to the moire signal, and generates a string code according to a generation order of the shock waves and the shock wave source number of each of the shock waves, such that the processing unit controls the electronic device according to a control command corresponding to the string code. | 12-05-2013 |
20130321404 | OPERATING AREA DETERMINATION METHOD AND SYSTEM - An operating area determination method and system are provided. In the operating area determination method, a plurality of depth maps of a target scene is generated at several time points. At least two specific depth maps among the depth maps are selected and compared to identify a moving object in the target scene, and a position of the moving object in the target scene is defined as a reference point. A standard point in the target scene is obtained according to the reference point and a specific depth corresponding to the reference point. An effective operating area in the target scene is determined according to the reference point and the standard point for controlling an electronic apparatus. | 12-05-2013 |
20130321580 | 3-DIMENSIONAL DEPTH IMAGE GENERATING SYSTEM AND METHOD THEREOF - A 3-dimensional depth image generating system and method thereof are provided. The 3-dimensional depth image generating system includes a first and a second camera devices and an image processing device. The first and the second camera devices are apart for a predetermined distance, and respectively captures an object to obtain a firs and a second images. The image processing device is connected with the first and the second camera devices and respectively obtains a first and a second partial images, wherein the first and the second partial images both include a first predetermined portion and a second predetermined portion of the object, and sizes of the first partial image and the second partial image are respectively smaller than that of the first image and the second image. Wherein, the image processing device combines the first and the second partial images to generate a 3-dimensional depth image of the object. | 12-05-2013 |
20130328833 | DUAL-MODE INPUT APPARATUS - A dual-mode input apparatus is disclosed and includes a panel, a processing module, and an image-capturing system capable of capturing images in front of the panel. The image-capturing system can capture a touch input image and a gesture input device by an image-sensing component and a light-modulating component. The processing module processes the sensed images to determine input information. Alternatively, the image-capturing system can include an image-capturing device capable of rotating relative to the panel. The processing module is therefore capable of controlling rotating of the image-capturing device so as to capture a touch input image and a gesture input image selectively for the processing module to determine input information. Therefore, the dual-mode input apparatus of the invention can provide two input modes by use of the same image device, which overcomes the limitation of a conventional single image-capturing system being applied only to a single input architecture. | 12-12-2013 |
20140008516 | OPTICAL TOUCH DEVICE AND FOLDABLE FRAME ASSEMBLY THEREOF - A foldable frame assembly is adapted for an optical touch device. The foldable frame assembly includes a first frame, a second frame and a third frame. The second frame is pivotally connected to a first end of the first frame and the third frame is pivotally connected to a second end of the first frame, wherein the first end is opposite to the second end. The second frame and the third frame can rotate with respect to the first frame so as to be folded or expanded with respect to the first frame. | 01-09-2014 |
20140078040 | DUAL-MODE REMOTE CONTROL METHOD - A dual-mode remote control method, adapted to an electronic apparatus having an image sensor, is provided. In the method, the image sensor is used to successively capture a plurality of images. Then, infrared ray (IR) detection and/or gesture detection is determined according to at least one characteristic of the images and performed on the images, so as to obtain an action of at least one target in the images. Finally, a control command corresponding to the action is executed. | 03-20-2014 |
20140086449 | INTERACTION SYSTEM AND MOTION DETECTION METHOD - A motion detection method applied in an interaction system is provided. The method has the following steps of: retrieving a plurality of images; recognizing a target object from the retrieved images; calculating a first integral value of a position offset value of the target object along a first direction from the retrieved images; determining whether the calculated first integral value is larger than a first predetermined threshold value; and determining the target object as moving when the calculated first integral value is larger than the first predetermined threshold value. | 03-27-2014 |
20140125588 | ELECTRONIC DEVICE AND OPERATION METHOD THEREOF - A touch system includes a touch screen, an image-sensing device, and a processing device. The image-sensing device generates images related to objects on the touch screen at several points in time. The processing device calculates the average coordinates of the objects based on the images, and calculates the longest distance between the objects. The processing device further determines the coordinates of a drawing spot according to the average coordinates of the objects, and determines a graphical property of the drawing spot according to the longest distance. The processing device further directs the touch screen to display the drawing spot on the coordinates and with the graphical property. | 05-08-2014 |
20140125607 | METHOD FOR INPUTTING INSTRUCTION AND PORTABLE ELECTRONIC DEVICE AND COMPUTER READABLE RECORDING MEDIUM - A method for inputting instruction, a portable electronic device and a computer readable recording medium are provided. The method includes detecting taps applied on a touch screen, and determining whether tap positions of the taps belongs to the same group. The method also includes dividing the tap positions of the taps to groups if the tap positions of the taps do not belong to the same group, generating group flags according to the groups, and sorting the group flags according to a tap order of the taps, so as to generate a group flag sequence. In addition, the method further includes generating an operating instruction according to the group flag sequence. | 05-08-2014 |
20140132566 | OPTICAL TOUCH SYSTEMS AND METHODS FOR DETERMINING POSITIONS OF OBJECTS USING THE SAME - Methods for determining positions of objects for use in an optical touch system are provided. The optical touch system at least includes a depth image sensor and a touch plane, the depth image sensor having a sensing area covering the touch plane. First, when an object is detected by the depth image sensor, image information is obtained by using the depth image sensor, wherein the image information includes angle information and depth information related to the depth image sensor for the object. Thereafter, it is determined whether a position of the object is located at the inside or the outside of the touch plane according to the angle information and the depth information. | 05-15-2014 |
20140139423 | Gesture Recognition Module and Gesture Recognition Method - A gesture recognition module for recognizing a gesture of a user is disclosed. The gesture recognition module comprises an image capturing unit, for capturing a first pixel value, a second pixel value, a third pixel value and a fourth pixel value sequentially of images of the gesture of the user; a computing unit, coupled to the image capturing unit, for determining a first minimum surrounding shape comprising a first pixel difference between the first pixel value and the second pixel value, and determining a second minimum surrounding shape comprising a second pixel difference between the third pixel value and the fourth pixel value; and a determining unit, coupled to the computing unit, for determining the gesture according to a relation between the first minimum surrounding shape and the second minimum surrounding shape. | 05-22-2014 |
20140139487 | OPTICAL TOUCH DEVICES AND OPERATION METHOD THEREOF - An embodiment of the disclosure provides an operation method for an optical touch device. The optical touch device includes a panel, a left-side sensor and a right-side sensor. The operation method includes the steps of: sensing a sensing waveform on the panel; determining the number of peaks of the sensing waveform to control the optical touch device to be switched to a gesture mode or a touch mode; estimating a first variance according to a first sensing waveform sensed by the left-side sensor and a second variance according to a second sensing waveform sensed by the right-side sensor when the optical touch device is operating in the gesture mode; and determining the gesture made by the user according to the first variance and the second variance. | 05-22-2014 |
20140184569 | Coordinate Transformation Method and Computer System for Interactive System - A coordinate transformation method for a user and an interactive system including a detection module is disclosed. The coordinate transformation method includes determining a face information and a command object of the user via the detection module to obtain a face coordinate and a command object coordinate, transforming the face coordinate into a transformed face coordinate according to a coordinate of the detection module, obtaining an angle between an optical-axis ray and a line formed via connecting the transformed face coordinate and the coordinate of the detection module, obtaining a transformed command object coordinate according to the angle and the command object coordinate, and determining a depth change of the command object according to the transformed object coordinate to set up an interactive operation between the interactive system and the user. | 07-03-2014 |
20140204015 | GESTURE RECOGNITION MODULE AND GESTURE RECOGNITION METHOD - A gesture recognition module, for recognizing a gesture of a user, includes a detecting unit, for capturing at least one hand image of a hand of the user, so as to sequentially acquire a first coordinate and a second coordinate; a computing unit, coupled to the detecting unit for defining a first zone and a second zone according to the first coordinate and the second coordinate, respectively, and calculating a first area and a second area according to the first zone and the second zone; and a determining unit, coupled to the detecting unit and the computing unit for recognizing the gesture according to the first coordinate, the second coordinate, the first area and the second area. | 07-24-2014 |
20140210704 | GESTURE RECOGNIZING AND CONTROLLING METHOD AND DEVICE THEREOF - A gesture recognizing and controlling method and device thereof are provided. The gesture recognizing and controlling method includes the following steps. First, a pending image having depth information is captured, in which the pending image includes a human form image. The human form image is analyzed so as to obtain hand skeleton information having a first skeleton and a second skeleton. It is determined whether the first skeleton and the second skeleton have an intersection point. If yes, it is determined whether an included angle formed by the first skeleton and the second skeleton is within a predetermined angle range. When the included angle is within the predetermined angle range, a controlling signal is output accordingly. | 07-31-2014 |
20140215504 | METHOD OF RECOMMENDING MEDIA CONTENT AND MEDIA PLAYING SYSTEM THEREOF - A method of recommending media content for a media playing system includes identifying a user in a viewing area; determining whether personal information of the user is stored in a database; and generating information related to a first media content recommendation according to the personal information when the personal information of the user is stored in the database. | 07-31-2014 |
20140267172 | TOUCH CONTROL APPARATUS AND ASSOCIATED SELECTION METHOD - A touch control apparatus includes a first light source, a first sensor, a second light source, a second sensor and a controller. An associated selection method includes following steps. The first and the second light sources are driven to respectively generate a first and a second plane lights. Both the first and the second plane light are reflected by at least two touch points. A left reflected light distribution is sensed and transformed into multiple left depth parameters by the first sensor, and a right reflected light distribution is sensed and transformed into multiple right depth parameters by the second sensor. Correspondingly, positions of the at least two touch points are selected from the candidate touch points according to the left and right depth parameters. | 09-18-2014 |
20140306931 | OPTICAL TOUCH SYSTEM AND TOUCH METHOD THEREOF - An optical touch system includes a touch plane; a handheld object including a light emitting unit for emitting a light to the touch plane; two image sensing units disposed at two corners of the touch plane, respectively, and used for receiving the light; and a processing unit electrically connected to the two image sensing units and used for analyzing a light characteristic of the light and executing an operation function according to the light characteristic. | 10-16-2014 |
20140309994 | APPARATUS AND METHOD FOR VOICE PROCESSING - An apparatus and a corresponding method for voice processing are provided. The apparatus includes a sound receiver, a camera, and a processor. The sound receiver receives a sound signal. The camera takes a video. The processor is coupled to the sound receiver and the camera. The processor obtains a voice onset time (VOT) of the sound signal, detects a human face in the video, detects a change time of a mouth contour of the human face, and verifies at least one preset condition. When all of the preset conditions are true, the processor performs speech recognition on the sound signal. The at least one preset condition includes that a difference between the VOT and the change time is smaller than a threshold value. | 10-16-2014 |
20140340310 | INPUT DEVICE AND FUNCTION SWITCHING METHOD THEREOF - An input device includes a housing; a plurality of keyswitches disposed on the housing; a touch panel disposed on the housing; and a processing unit disposed in the housing and electrically connected to the keyswitches and the touch panel, the processing unit being used for switching coordinate information outputted by the touch panel to a cursor control function or a virtual numeric keypad function. | 11-20-2014 |
20150077396 | TOUCHING OBJECT AND OPTICAL TOUCHING ASSEMBLY USING THE SAME - An optical touching assembly, including a display device, a sensing device, and a touching object, is provided. The display device has a touching area. The sensing device is electrically connected to the display device. The touching object is adapted to enter the touching area, such that the sensing device senses the motion of the touching object to control the display device. The touching object has an optical controlling element that generates light along with the motion of the touching object. The sensing device senses a characteristic variation of the light to trigger at least one operating function of the display device. | 03-19-2015 |