Abstract: An image sensing apparatus, comprising: a control unit; and an image sensor, wherein the control unit controls the image sensor to utilize a first image sensing region to sense a first image to output a first image signal in a first mode, wherein the control unit controls the image sensor to utilize a second image sensing region to sense a second image to output a second image signal in a second mode. The first image sensing region is smaller than a total image sensing region of the image sensor, and the second image sensing region is smaller than the first image sensing region.

Abstract: A computer readable media having at least one program code recorded thereon. An interference image determining method can be performed when the program code is read and executed. The interference image determining method comprises: (a) controlling a light source to illuminate an object on a detecting surface to generate an image; (b) controlling a sensor to catch a current frame of the image; (c) utilizing an image characteristic included in the current frame to determine a interference image part of the current frame; and (d) updating a defined interference image according to the determined interference image part.

Abstract: A method used in an optical mouse apparatus includes: generating and emitting a light signal which is emitted to a surface so as to reflect and generate a light reflected signal; generating sensed image(s) according to the light reflected signal wherein the sensed image(s) are used for estimating an offset of the optical mouse apparatus; dynamically adjusting photometric exposure for the sensed image(s) according to a quality parameter, a moving speed, or an output offset number per unit time of the sensed image(s).

Abstract: An input device comprising an optical module having a light guide plate, a light source, a scattering layer and a sensor is provided. The light guide plate has a top surface, a bottom surface, and a side. The light source emits a light to the side. The light travels within the light guide plate. The scattering layer changes a path of parts of the light on the bottom surface so that the light is projected out of the top surface to form a penetrating light. When an object approaches or touches the top surface of the light guide plate, at least a part of the penetrating light is reflected by the object to form a reflected light received by the sensor. According to the reflected light, the input device generates a position signal indicating at least one relative position of the object with respect to the top surface.

Abstract: A computer readable recording media comprising at least one program code recorded thereon, a touch control method is performed when the program code is read and executed. The touch control method comprises the following steps: (a) detecting location data for an object relative to a detecting surface to generate at least one displacement data; (b) storing the displacement data to a storage apparatus and outputting the stored displacement data to a target apparatus from the storage apparatus after storing the displacement data for a predetermined time period, when the object touches the detecting surface; and (c) cleaning the stored displacement data when the object leaves the detecting surface.

Abstract: An electronic device including a substrate and an optoelectronic device package is provided. The optoelectronic device package includes a light source, an image sensor and a plurality of connecting pins. The light source is configured to emit light toward a direction of a bottom surface of the optoelectronic device package. The image sensor is configured to receive reflected light from the direction of the bottom surface. The connecting pins are bended toward an opposite direction of the direction of the bottom surface and electrically connected to the substrate thereby increasing a discharge path of the electrostatic discharge.

Abstract: There is provided an interference removing method of an image system including the steps of: respectively acquiring different numbers of images within two brightness intervals having different brightness variations using an image sensor having a sampling frequency; lighting a light source with a lighting frequency, which is a half of the sampling frequency, and synchronizing to the sampling frequency; and subtracting a first image, which is associated with the lighting of the light source, acquired in a later brightness interval of two adjacent brightness intervals having identical brightness variations by a second image, which is associated with a sampling time of the first image, acquired in an earlier brightness interval of the two adjacent brightness intervals. The present disclosure further provides an image system.

Abstract: A relative position positioning system includes a first apparatus and a second apparatus. Each one of the first and second apparatuses is configured to sense a relative position of the other in an initialization period. In an operation period, each one of the first and second apparatuses is configured to measure its own displacement relative to a plane, transmit its own measured displacement to the other through a wireless transmission mean, and update the relative position of the other according to its own displacement and the displacement received from the other. A tracking system is also disclosed.

Abstract: A power saving method for a motion estimation device includes: calculating a first differential image at a first time; calculating a second differential image at a second time; comparing the first differential image and the second differential image to obtain a displacement between the first differential image and the second differential image; comparing the displacement with at least one threshold value; and adjusting an emitting cycle of a light source according to a comparison result of comparing the displacement and the threshold value and maintaining a sampling period of the motion estimation device unchanged when adjusting the emitting cycle of the light source. The present invention further provides a motion estimation device.

Abstract: The present invention discloses an optical displacement detection apparatus and an optical displacement detection method. The optical displacement detection apparatus comprises: at least two light sources for projecting light of different spectrums to a surface under detection, respectively; an image capturing device for receiving light reflected from the surface under detection and converting it into electronic signals; and a processing control circuit for calculating displacement according to the electronic signals from the image capturing device, wherein the processing control circuit is capable of switching between the light sources.

Abstract: An optical touch control apparatus, for detecting displacement between an object and the optical touch control apparatus. The optical touch control apparatus comprises: an object detecting apparatus, for detecting the object to generate an object image, having a first detecting area in a first mode and having a second detecting area in a second mode, wherein the first detecting area is larger than the second detecting area; an image sensor, for capturing at least one frame of the object image; and a control unit, for adjusting an image capturing area of the image sensor, according which one of the first detecting area and the second detecting area the object detecting apparatus utilizes.

Abstract: There is provided an optical raindrop detector including a light source, a light guide, an image sensor and a processing unit. The light source alternatively emits light with different brightness values. The light guide has an incident surface, a detection surface and an ejection surface, wherein the light source emits incident light into the light guide via the incident surface, and a plurality of microstructures are formed on the ejection surface to reflect the incident light to become scattered light toward the detection surface. The image sensor receives reflected light formed by raindrops in front of the detection surface reflecting the scattered light to penetrate the light guide and eject from the ejection surface, and generates image frames corresponding to the different brightness values of the light source. The processing unit calculates differential images of the image frames to accordingly identify rain intensity.

Abstract: An optical navigation device includes a first optical mechanism, a second optical mechanism, an image sensor, and a controller. The first optical mechanism is arranged for projecting light on a surface to generate a first projection result while the second optical mechanism is arranged for projecting light on the surface to generate a second projection result. The image sensor is arranged for sensing at least one of the first projection result and the second projection result within a sensing range to generate at least one first image sensing result. The controller is coupled to the first optical mechanism, the second optical mechanism and the image sensor, and is arranged for controlling the first optical mechanism and the second optical mechanism according to the first image sensing result. The optical navigation device accordingly performs movement detection.

Abstract: An optical finger mouse includes a housing, a light source, a light guide mechanism, an image sensor, a processor and a feedback module. The housing is arranged for an object to be detected performing a motion control thereon, wherein the object to be detected slides or taps on the housing to perform the motion control. The light source is arranged for generating light. The light guide mechanism is arranged for guiding the light generated by the light source to project on the object to be detected. The image sensor captures reflected light generated from the object to be detected to generate a sensing result. The processor generates detection information according to the sensing result. The feedback module generates feedback according to the detection information.

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: There is provided a denoising method of an image system that detects a brightness variation cycle of ambient light sources, records a brightness variation of at least one noise area within the brightness variation cycle and compensates the brightness variation from current images thereby removing interference from the ambient light sources. There is further provided an image system.

Abstract: A computer readable recording media comprising at least one program code recorded thereon, a touch control method is performed when the program code is read and executed. The touch control method comprises the following steps: (a) detecting location data for an object relative to a detecting surface to generate at least one displacement data; (b) storing the displacement data to a storage apparatus and outputting the stored displacement data to a target apparatus from the storage apparatus after storing the displacement data for a predetermined time period, when the object touches the detecting surface; and (c) cleaning the stored displacement data when the object leaves the detecting surface.

Abstract: An optical processing apparatus, a light source luminance adjustment method, and a non-transitory computer readable medium thereof are provided. The optical processing apparatus includes a light source unit, a processing unit, and an image sensing unit, wherein the processing unit is electrically connected to the light source unit and the image sensing unit. The light source unit provides a beam of light. The processing unit defines a frame rate, defines a plurality of time instants within a time interval, and sets the light source unit to a luminance value at each of the time instants. A length of the time interval is shorter than the reciprocal of the frame rate. The luminance values are different and are within a range. The image sensing unit captures an image by an exposure time length at each of the time instants, wherein the exposure time lengths are the same.

Abstract: An optical navigation system and an optical navigation apparatus thereof are provided. The optical navigation system comprises a host and the optical navigation apparatus. The host detects a running program to generate a control signal. The optical navigation apparatus, which is connected to the host in a wireless way, receives the control signal and performs a performance configuration according to the control signal to adjust an image data amount that is required for processing.

Abstract: The present disclosure provides a wireless peripheral device with multi-transmission capability. The wireless peripheral device wirelessly transmits a control signal to a wireless receiver. The wireless peripheral device comprises a first wireless transmitting unit, a second transmitting unit, and a processing unit. The second transmitting unit receives a responding signal from the wireless receiver. The capable transmission distance of the first transmitting unit is larger than the capable transmission distance of the second transmitting unit. The processing unit is coupled to the first transmitting unit and the second transmitting unit. The processing unit transmits the control signal through the second transmitting unit to the wireless receiver when the strength of the responding signal is at a high intensity range. The processing unit transmits the control signal through the first transmitting unit to the wireless receiver when the strength of the responding signal is at a low intensity range.