Abstract: A laser radar device comprises a laser projecting system and a laser radar detecting system. The laser projecting system comprises a laser diode; and a light source orientation adjustment unit comprising a collimating lens and a Powell lens to modulate the angle at which the first incident laser beam is projected onto an object. The laser radar detecting system comprises at least two laser radar detection units disposed in the horizontal direction and vertical direction of the object, respectively. The laser radar detection units each comprise a wedge-shaped lens, an aspherical lens system and an optical detector. By designing optical parameters of the wedge-shaped lens and stacking the laser radar detection units in the horizontal direction and vertical direction, it is feasible to facilitate overall device manufacturing and processing, meet R&D needs, and adjust an optical system in its entirety easily.

Abstract: An all-weather thermal-image pedestrian detection method includes (a) capturing diurnal thermal images and nocturnal thermal images of a same pedestrian and non-pedestrian object in a same defined block to create a sample database of thermal images, wherein the sample database comprises pedestrian samples and non-pedestrian samples; (b) performing LBP encoding on the pedestrian samples and the non-pedestrian samples, wherein complementary LBP codes in the same defined block are treated as identical LBP codes; (c) expressing the LBP codes in the same defined block as features by a gradient direction histogram (HOG) to obtain feature training samples of the pedestrian samples and the non-pedestrian samples; (d) entering the feature training samples into a SVM to undergo training by Adaboost so as to form a strong classifier; and (e) effectuating pedestrian detection by searching the strong classifiers in thermal images with sliding window technique to detect for presence of pedestrians.

Abstract: The present disclosure relates to a positioning structure for touch display device and a touch display device. The touch display device comprises a touch glass, at least a positioning structure, and at least an optomechanical module. The positioning structure is used for positioning the optomechanical module to the touch glass. The positioning structure has at least a positioning member, which has a fixing part and a clamping part. The fixing part is clamped to the touch glass; the clamping part is provided for disposing the optomechanical module. The positioning structure according to the present disclosure allows direct assembly of the optomechanical module. In the assembling process, no other jointing means is required. Thereby, assembling easiness and speed can be well improved.

Abstract: An optical touch device includes a foldable frame assembly, two image sensing units and two light emitting units. The foldable frame assembly comprises a first frame, a second frame, a third frame and a fourth frame. The two image sensing units are disposed on opposite ends of the fourth frame respectively. The two light emitting units are disposed on opposite ends of the fourth frame respectively and adjacent to the two image sensing units respectively. The frames of the foldable frame assembly are pivotally connected to each other such that the frames can rotate with respect to each other so as to be folded or expanded.

Abstract: A method of detecting temperature changes with infrared includes the steps of providing a plurality of infrared detection devices for detecting temperature changes in a region; turning on the plurality of infrared detection devices one by one at a first time interval; capturing temperature signals of the plurality of infrared detection devices one by one at a second time interval; and comparing the temperature signals with a background temperature signal to calculate temperature differences and thereby detect temperature changes in the region. A method of detecting moving vehicles with infrared is further introduced.

Abstract: 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.

Abstract: A vehicle detection method includes (1) vehicle likelihood region identifying step; (2) vehicle component locating step; and (3) vehicle detecting step. To reduce complexity of calculation and enhance accuracy of detection, the method uses a vehicle likelihood region identifying algorithm to eliminate background regions from a total thermal image and keep vehicle likelihood regions therein for use in further analysis and processing, detects obvious vehicle components, such as vehicle windows and vehicle bottoms, in the thermal image to thereby identify vehicle component likelihood regions, describes a space geometric relationship of vehicle components with a Markov random field model, defines vehicle detection as problems with maximum a posteriori probability, estimates the most likely configuration with an optimization algorithm, so as to effectuate vehicle detection.

Abstract: A frame assembly is disclosed, which is mounted on an object surface. The frame assembly includes a frame and at least a frame fastening assembly. The frame fastening assembly includes a first fastening member, a second fastening member and an anti-skid member. The first fastening member has a first magnetic element and an adhered surface, and the adhered surface adheres on the object surface. The second fastening member has a second magnetic element, a supporting portion and a fastening portion, the second magnetic element magnetic attracts the first magnetic element, the supporting portion bears the frame and the fastening portion covers parts lateral surface of the frame. The anti-skid member is disposed on a surface of the second fastening member, wherein the surface is opposite to the fastening portion.

Abstract: A touch-sensitive display device includes a display body, a container, a movable cover and at least two optical modules. The display body has a display surface. The container is connected with the display body. The movable cover pivots on the container so as to have an open position and a storage position. The two optical modules are disposed on the movable cover. When the movable cover is at the open position, the two optical modules protrudes outward from an extended surface of the display surface, such that the two optical modules is exposed outward from the container. When the movable cover rotates from the open position to the storage position, the movable cover drives the two optical modules to move backward to be underneath the extended surface of the display surface, such that the two optical modules are located inside the container.

Abstract: A vehicle detection method includes (1) vehicle likelihood region identifying step; (2) vehicle component locating step; and (3) vehicle detecting step. To reduce complexity of calculation and enhance accuracy of detection, the method uses a vehicle likelihood region identifying algorithm to eliminate background regions from a total thermal image and keep vehicle likelihood regions therein for use in further analysis and processing, detects obvious vehicle components, such as vehicle windows and vehicle bottoms, in the thermal image to thereby identify vehicle component likelihood regions, describes a space geometric relationship of vehicle components with a Markov random field model, defines vehicle detection as problems with maximum a posteriori probability, estimates the most likely configuration with an optimization algorithm, so as to effectuate vehicle detection.

Abstract: An infrared logical matrix-style traffic violation detection method and apparatus are introduced for use at junctions of roads to detect traffic violations, such as going through a red light illegally and speeding, incur a low cost, and manifest a competitive edge. The apparatus includes a body, a sensing device, a signal determination processing device, an image capturing device, and a M×N array zone. The method includes the steps of starting a sensing device; detecting a M×N array zone; determining whether a temperature variation has occurred to the M×N array zone, and capturing a traffic violation-related image.

Abstract: A nocturnal vehicle counting method based on a mixed particle filter is introduced in that, in a nocturnal environment, a rear lamp of a vehicle is the most remarkable feature of the vehicle and forms a high-brightness region of an image of the vehicle. The method involves detecting the high-brightness region of an image of the vehicle to thereby detect the rear lamp of the vehicle. The method further involves operating a particle filter structure which, coupled with the detection of a moving high-brightness region, can detect and track the rear lamp of the vehicle simultaneously, thereby enhancing competitiveness and incurring low costs.

Abstract: A high-admittance local suppression highlight imaging system includes a first optical zoom lens having a plurality of lenses, inclusive of at least three aspheric lenses, to thereby function as an imaging system; a second optical zoom lens including a plurality of lenses symmetrically arranged to thereby function as a relay system; a polarizing beam splitter disposed between the first optical zoom lens and the second optical zoom lens; a LCoS disposed at an imaging point at an end of the first optical zoom lens; and a photosensitive component provided in form of a CCD or a CMOS and disposed at an imaging point at an end of the second optical zoom lens. Therefore, the imaging system features enhanced admittance of light, ensures that images captured during a nocturnal picture-taking process will be clear but not overexposed, and is applicable to nocturnal vehicle surveillance and the other safety detection systems.

Abstract: A coated article includes a glass substrate and a film on at least one surface of the glass substrate. The film includes Al2O3, Cr2O3 and ZrO2. A method for making the coated article, and an electronic device using the coated article are also provided.

Abstract: A light filter includes a base and a light filter film. The light filter film covers the base. The light filter film includes high refractive index layers and low refractive index layers stacked alternately on the base. Transmissivity of the light filter at wavelengths from about 410 nm to 640 nm and from about 830 nm to 865 nm is greater than 90%, while the average tranmissivity of the light filter at other wavelengths is less than 10%.

Abstract: A coated article includes a glass substrate and a film on at least one surface of the glass substrate. The film includes Al2O3, Cr2O3 and ZrO2. A method for making the coated article, and an electronic device using the coated article are also provided.

Abstract: A touch-sensitive display device includes a display body, a container, a movable cover and at least two optical modules. The display body has a display surface. The container is connected with the display body. The movable cover pivots on the container so as to have an open position and a storage position. The two optical modules are disposed on the movable cover. When the movable cover is at the open position, the two optical modules protrudes outward from an extended surface of the display surface, such that the two optical modules is exposed outward from the container. When the movable cover rotates from the open position to the storage position, the movable cover drives the two optical modules to move backward to be underneath the extended surface of the display surface, such that the two optical modules are located inside the container.

Abstract: An optical lens includes a lens body and an anti-reflection film. The lens body includes an optically effective portion and a peripheral portion surrounding the optically effective portion. The optically effective portion is configured for transmitting light therethrough. The optically effective portion has a first surface and an opposite second surface. The first and second surfaces each have a curvature of greater than zero. The anti-reflection film is formed on the first surface of the optically effective portion. A reflectivity of the anti-reflection film to light rays has wavelengths in a range from about 400 nm to about 850 nm being lower than 2%.

Abstract: An optical touch device includes an indication plane, an image sensing unit, a light emitting unit and a frame. A sensing region is defined on the indication plane. The image sensing unit is disposed at a corner of the indication plane. The light emitting unit is disposed beside the image sensing unit and used for emitting light to the sensing region. The frame is disposed at one side of the indication plane. The frame includes two first inclined surfaces connected to each other and facing the sensing region.

Abstract: 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.