Abstract: An apparatus includes a six-axis correction stage, an auto-collimation measurement device, a light splitter, a telecentric image measurement device, and a controller. The six-axis correction stage carries a device under test; the auto-collimation measurement device is arranged above the six-axis correction stage along a measurement optical axis; the light splitter is arranged on the measurement optical axis and is interposed between the six-axis correction stage and the auto-collimation measurement device. A method controls the six-axis correction stage to correct rotation errors in at least two degrees of freedom of the device under test according to a measurement result of the auto-collimation measurement device, and controls the six-axis correction stage to correct translation and yaw errors in at least three degrees of freedom of the device under test according to a measurement result of the telecentric image measurement device by means of the controller.

Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.

Abstract: In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm.

Abstract: In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm.

Abstract: In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm.

Abstract: In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm.

Abstract: In a method for image transmitting executed in a transmitting device, three data transmitting channels are established, the three data transmitting channels are a first channel, a second channel and a third channel. An image of a video is obtained, and the image is divided into a region of interest and a background region. A first data of the region of interest and a second data of the background region are obtained, and the first data is encoded through fountain coding to obtain a third data. The first data, the second data, and the third data are respectively transmitted through the first channel, the second channel, and the third channel to a receiving device. A network condition is received, and whether the network condition matches a preset condition is determined. When the network condition matches the preset condition, the first data is compensated according to a first preset algorithm.

Abstract: In a system and method for tracking objects, a monitoring device includes multiple sensing units and an image acquisition unit, the multiple sensing units matching with multiple subareas one to one. Sensed events uploaded by the multiple sensing units are received. The image acquisition unit is controlled to collect images of objects in one or multiple subareas according to predetermined rules of image capturing sensed event.

Abstract: An adjusting method and device of focusing curve of camera lens is disclosed. Steps of the adjusting method of focusing curve of camera lens includes: determining an adjustable moving range; moving the camera lens in the area of adjustable moving range, and recording a high definition of the camera lens; computing a difference value of a initial position of the camera lens and the high definition of the camera lens, and computing a focus offset; adjusting the focusing curve according to the focusing curve. Therefore, the angle of the camera lens motor can be adjusted accurately.

Abstract: A video encoding device calculates number of frames into which the current image needs to be encoded. The video encoding device divides the current image into a plurality of macro blocks, identifies importance of the respective macro blocks according to content of the current image and ranks the macro blocks from high to low according to the assigned importance. The video encoding device labels each macro block with a label, and encodes the macro blocks according to its label to form frames.

Abstract: A video encoding device calculates number of frames into which the current image needs to be encoded. The video encoding device divides the current image into a plurality of macro blocks, identifies importance of the respective macro blocks according to content of the current image and ranks the macro blocks from high to low according to the assigned importance. The video encoding device labels each macro block with a label, and encodes the macro blocks according to its label to form frames.

Abstract: An electric transmission module for window curtains having a winding wheel bridges a power unit and a window curtain set so that the opening/closure of the curtains can be controlled. A string of a set of transmission pieces is wound around a first wheel groove of the winding wheel, and another string of transmission pieces is wound around a second wheel groove of the winding wheel, whereby the forward or backward rotation of the motor urges a synchronic rotation in the winding wheel. The transmission pieces are respectively released at one wheel groove and drawn back at another wheel groove. Compared with the prior art, the transmission module is simple in structure and easy to install. It further improves the problem of sliding between a winding wheel and a transmission string.