Abstract: A method and system for recommending content using a chatbot are provided. The content recommendation method includes calling a chatbot to a chatroom based on a first user interaction with the chatroom; providing first content corresponding to a second user interaction with the chatroom while the chatbot is in the chatroom; and recommending second content related to the first content.

Abstract: An encoder includes circuitry which generates a first coefficient value by applying a CCALF process to a first reconstructed image sample of a luma component; generates a second coefficient value by applying an ALF process to a second reconstructed image sample of a chroma component; generates a third coefficient value by adding the first coefficient value to the second coefficient value; and encodes a third reconstructed image sample of the chroma component using the third coefficient value. The circuitry writes a first parameter into a sequence parameter set; writes a second parameter into a parameter set of a picture in response to a value of the first parameter being 1; writes a third parameter into a slice header in response to the value of the first parameter being 1; and writes a fourth parameter into a coding tree unit in response to a value of the third parameter being 1.

Abstract: An encoder includes circuitry and memory coupled to the circuitry. In operation, the circuitry: encodes information for deriving a parameter into a header of a bitstream; filters reconstructed samples in a first image using a filtering process, to generate a second image; determines whether the parameter has a predefined value; encodes a third image using the second image when the parameter has the predefined value; and encodes the third image using the first image when the parameter does not have the predefined value.

Abstract: An encoder includes circuitry and memory coupled to the circuitry. The circuitry, in operation, generates a first coefficient value by applying a CCALF (cross component adaptive loop filtering) process to a first reconstructed image sample of a luma component, generates a second coefficient value by applying an ALF (adaptive loop filtering) process to a second reconstructed image sample of a chroma component, and clips the second coefficient value. The circuitry generates a third coefficient value by adding the first coefficient value to the clipped second coefficient value, and clips the third coefficient value. The circuitry encodes a third reconstructed image sample of the chroma component using the clipped third coefficient value.

Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.

Abstract: An encoder according to one aspect of the present disclosure encodes a block of an image, and includes a processor and memory connected to the processor. Using the memory, the processor partitions a block into a plurality of sub blocks and encodes a sub block included in the plurality of sub blocks in an encoding process including at least a transform process or a prediction process. The block is partitioned using a multiple partition including at least three odd-numbered child nodes and each of a width and a height of each of the plurality of sub blocks is a power of two.

Abstract: A driver, a display device, and an optical compensation method thereof are provided. The display panel includes sub-pixels arranged in an array. The method includes: receiving an initial gray level of each sub-pixel of a picture to be displayed; determining whether each sub-pixel satisfies a preset determination condition based on the initial gray level of each sub-pixel; if an absolute value of a difference between the initial gray levels of two sub-pixels electrically connected to a same data line and located in two adjacent rows is greater than a preset threshold, it is determined that a sub-pixel in a next row satisfies the preset determination condition; and, in response to determining that a sub-pixel satisfies the preset determination condition, acquiring a first compensation parameter of the sub-pixel, and compensating the initial gray level of the sub-pixel based on the acquired first compensation parameter.

Abstract: This disclosure provides a touch positioning method and apparatus. The touch positioning method includes: acquiring capacitance values and position coordinates of each first touch electrode and each second touch electrode in a touch screen; for the each second touch electrode, judging whether a capacitance value of the second touch electrode is greater than a first threshold; determining second touch electrodes as target second touch electrodes when judging that capacitance values of the second touch electrodes each is greater than the first threshold; and determining target touch position coordinates according to the capacitance values and position coordinates of the target second touch electrodes as well as capacitance values and position coordinates of first touch electrodes adjacent to the target second touch electrodes.

Abstract: The present disclosure provides a camera optical lens including, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens; wherein the first lens has a positive refractive power, and the camera optical lens satisfies conditions of: 0.95?f/TTL; 3.50?f2/f?5.50; and 2.50?(R11+R12)/(R11?R12)?15.00. The camera optical lens can achieve good optical performance while meeting the design requirements for long focal length and ultra-thinness.

Abstract: A windowing device includes: a windowing module including a dimming transparent substrate and a semiconductor temperature adjustment element, the dimming transparent substrate being provided with different light transmittances when the dimming transparent substrate has different adjustment parameters; a temperature adjustment circuitry configured to input a current to the semiconductor temperature adjustment element and adjust a temperature of the semiconductor temperature adjustment element; a temperature sensor configured to detect a temperature of an environment where the windowing module is located; and a controller configured to input a circuitry adjustment signal to the temperature adjustment circuitry when the temperature detected by the temperature sensor is beyond a predetermined temperature range, as to adjust a temperature of the dimming transparent substrate to be within the predetermined temperature range.

Abstract: A blade wheel structure for axial fan includes a hub and a plurality of blades circumferentially outward extended from the hub. Each of the blades has a tip portion, which is located at a windward side of the blade and is curved in shape. With the curved tip portions of the blades, it is able to create largely increased air pressure and reduce the noise produced during fan operation.

Abstract: An image display method, an image processing method, an image processing device, a display system, and a computer-readable storage medium are disclosed. The image processing method is applied to an image processing device and includes: determining a first region in an original image; performing first processing on the first region in the original image to obtain a first processed region; performing second processing on the original image to obtain a second processed region; generating a first image based on the first processed region and the second processed region. A resolution of the first processed region is greater than a resolution of the second processed region.

Abstract: A computer generates an optimized decision distribution vector for a plurality of related, demand-correlated products. The computer receives data indexed by product, with each entry including several entry attributes. The computer receives decision context data for the products. The computer determines a set of primary attributes and trains a first machine learning model based upon those attributes. The computer receives a decision optimization request that includes an associated set of attributes corresponding to the primary attributes. The computer scores the associated set of attributes, using the first machine learning model, to generate a baseline purchase propensity. The computer trains a second machine learning model, based upon the baseline purchase propensity and the decision context data, to generate own-product and cross-product elasticity data.

Abstract: The present disclosure provides a driving method of a display device and a display device. The driving method of the display device includes: inputting a gate signal with a length of a first duration to each of gate lines; and inputting a data signal to each of data lines to drive the display device for displaying. Among M data lines crossing the gate line in a direction of the gate line from a signal input terminal to an terminal away from the signal input terminal, a start time at which an mth data line input with the data signal is delayed by a second duration, relative to the start time at which a first data line closest to the signal input terminal of the gate line is input with the data signal, and the second duration is less than the first duration.

Abstract: A touch driving method and device, an operation mode switching method, a touch devices, and an electronic device are provided, the method includes: controlling a driver module to output a first touch detection signal; controlling a selector module to simultaneously transmit the first touch detection signal outputted by the driver module corresponding to the selector module to n touch electrodes connected to the selector module; detecting whether there is touch input and, when there is the touch input, controlling the driver module to output a second touch detection signal; and controlling the selector module to successively transmit the second touch detection signal outputted by the driver module corresponding to the selector module to the n touch electrodes connected to the selector module.

Abstract: A method, a structure, and a computer system for customized bundles of products and services. The exemplary embodiments may include gathering data corresponding to one or more consumers, one or more products, and one or more services. In addition, exemplary embodiments may further include generating one or more bundles of the one or more products and services corresponding to a consumer of the one or more consumers based on applying one or more models to the gathered data. Moreover, exemplary embodiments may further include determining a price of the one or more bundles, and displaying the one or more bundles to the consumer.

Abstract: A projection screen and a projection system are provided. The projection screen includes a microlens array layer, a filter layer, and an optical structure layer arranged sequentially from an incident side of a projection light. The microlens array layer includes microlens units. The filter layer has a predetermined transmittance and is provided with a light-transmissive hole. The optical structure layer includes an optical microstructure unit capable of reflecting the incident light. The light-transmissive hole in the filter layer is arranged on the basis of an optical axis of the microlens unit in the microlens array layer so that the light-transmissive hole is exactly located on a focal plane of the microlens unit, and the projection light is reflected by the microlens unit, and then exactly passes through the light-transmissive hole. The projection screen has a high screen gain.

Abstract: The present disclosure provides a motor and a motor fixing structure. A first conductive terminal is disposed on the motor, a lead of the motor being electrically connected to an external device through the first conductive terminal, thereby simplifying a manner of connection. When the motor fails, it is only necessary to disconnect the electrical connection between the first conductive terminal and the external device, so that the motor can be rapidly detached without any auxiliary tool, thereby simplifying operations of detaching and mounting a motor and improving the efficiency of replacing a motor.