Abstract: An integer division circuit with allowable error is described, what a signal processing apparatus includes a pointer, a first left shifter, a second left shifter, a subtractor, a multiplier, and a right shifter. The pointer searches for a most significant non-zero bit of a divisor and outputs a most significant byte value. The first left shifter performs a shift operation according to the most significant byte value, so as to generate a first exponential coefficient. The second left shifter performs a shift operation according to the most significant byte value, so as to generate a second exponential coefficient. The subtractor calculates a multiplier factor according to the divisor, the first exponential coefficient, and the second exponential coefficient and outputs the multiplier factor to the multiplier. The multiplier multiplies an input value with the multiplier factor and outputs a result to the right shifter. The right shifter outputs a calculation result.

Abstract: A method for adjusting brightness of an image, suitable for an image capturing apparatus with a flash lamp, is provided. In the method, an intensity of a main flash of the flash lamp is raised, and a sensitivity is reduced. When the main flash is fired by the flash lamp, a raw image is captured according to the reduced sensitivity for calculating a brightness mean value. A gain ratio is calculated according to the brightness mean value and a brightness target, so as to use the gain ratio to compensate the brightness of the raw image.

Abstract: This invention discloses an electronic device with electricity recording function and an electricity recording method thereof. The electronic device comprises a power module, a gauging module, a storage module and a processing module. A type and a level of the power module are gauged by the gauging module and stored by the storage module during a buffering time before the electronic device is shut down. When the electronic device is powered on, the processing module is used to take the type and the level of the power module from the storage module for reducing the waiting time of the electronic device when it is powered on.

Abstract: An automobile equipment control system and a control method thereof. The system comprises an input module, a storage module, an image capturing module, a first recognizing module, a second recognizing module and a processing module. The input module is used to input a plurality of vehicle equipment setting values. The storage module is used to save a plurality of facial characteristic values and a plurality of setting values of vehicle equipment. The image capturing module is used to capture the image of the user. The first recognizing module analyzes the facial image in the image and extracts a facial characteristic point from the facial image. The second recognizing module analyzes the user's hand gesture, the user's head gestures or what the user speaks so as to decide which setting value of vehicle equipment is adopted to control the vehicle equipment.

Abstract: The invention is discloses a camera lens calibration system and method thereof, which comprise a calibration platform, the calibration platform comprise a calibration structure. A calibration camera lens to be calibrated is placed on the calibration platform. An image testing module is provided for capturing a target pattern from a target pattern display through the calibration camera lens to be calibrated for getting an image pattern. The image testing module provides a contrast parameter computation for calculating the contrast parameter of image pattern and showing results on a display.

Abstract: An image capturing device and an image synthesis method thereof are disclosed. The image capturing device includes an image capturing module, an exposure module, and a processing module. The image capturing module captures a scene image corresponding to a scene. The exposure module meters the light of scene to generate a plurality of histograms. The processing module calculates a plurality of discrete values of the scene image in different exposure conditions according to the histograms. Further, based upon at least two highest discrete values, the processing module processes the scene image to generate at least two temporary images in at least two different brightness conditions, and synthesizes the temporary images to generate a high dynamic range image.

Abstract: A digital camera capable of detecting a name of a captured landmark is described. The digital camera includes an environmental condition capturer, a liquid crystal display (LCD) unit, and a map data table. The map data table includes a plurality of landmark names and a plurality of landmark coordinates corresponding to the landmark names. A method for detecting the name of the captured landmark using by the digital camera includes the steps of capturing an image, and obtaining a focusing distance, in which the image includes at least one of the captured landmark; capturing an environmental condition including shooting information and searching information; obtaining a search focus range according to the environmental condition and the focusing distance; and looking up the map data table according to the search focus range and the shooting information to obtain an output coordinate and the landmark name corresponding to the captured landmark.

Abstract: An automatic photographing method with face recognition is applied in a camera having a detecting lens and a photographing lens for a user to photograph a target. First, detect a face of the user through the detecting lens, and obtain a plurality of face images of the detected face. Then, capture an image variance of the obtained face images, and photograph the target through a photographing lens when the captured image variance exceeds a photographing starting value. Therefore, during the whole photographing process, photographing can be achieved through determining variations of the face images of the user without pressing the shutter key of the camera, thereby completely preventing handshakes resulted from the pressing action, and thus improving the photographing quality.

Abstract: A device and a method for predicting photograph timing. First, a detection step is performed. Then, a face determination step is performed to determine whether or not a face is shown. A face-classifying step is then performed. If a detected image is a non-front face, a difference generation step is then performed. A difference determination step is performed when a plurality of differences are obtained to determine whether or not the sequentially adjoined differences are reduced, wherein if the sequentially adjoined differences are reduced, a photographing timing is predicted according to a reduction degree of the differences. As a result, the probability of successfully photographing the front face can be enhanced. In addition, a training database that has both front face information and non-front face information can be utilized. As a result, it is not easy to determine the non-front face as the front face incorrectly.

Abstract: A system and method of driving shutter by an object moving tendency. In this method, an image capture process is performed, wherein a sensor captures a first image of a moving object in a first resolution in the image capture process. Then, a prediction moving module analyzes the first image to acquire a prediction time for the moving object to reach a feature position. Finally, an automatic shutter control process is performed according to the prediction time, and a second image with a second resolution is captured, wherein the value of the second resolution is larger than that of the first resolution. This method automatically captures the second image of the moving object when situated at the feature position by using the prediction moving system to analyze the moving object.

Abstract: A method for storing image including the following steps is provided. Firstly, a raw image is obtained. Next, an image compressing process is executed for the raw image in a memory to obtain a compressed image and a plurality of compressed image information. Then, the compressed image and the plurality of compressed image information are moved to a continuous section of the memory. Afterwards, content of the continuous section is written to a compressed image file of a memory card.

Abstract: A portable electronic device and a battery locking module capable to lock the battery and the battery slot cover in the housing of the portable electronic device through a locking element and an elastic element are provided. Especially, through the improvement design of the arrangement of the battery locking module in the housing, not only the inner space of the portable electronic device can be saved, a fool proof function is also provided since the battery slot cover is disabled to cover the opening of the battery slot if the battery is in a wrong position.

Abstract: A method and an apparatus for generating an image with shallow depth of field are provided. The present method includes following steps. A subject is photographed according to a first aperture value, so as to generate a first aperture value image. The subject is photographed according to a second aperture value, so as to generate a second aperture value image, wherein the second aperture value is greater than the first aperture value. The first aperture value image and the second aperture value image are analyzed to generate an image difference value. If the image difference value is greater than a threshold, an image processing is performed on the first aperture value image to obtain the image with shallow depth of field.

Abstract: A zoom button structure including a zoom button, a first middle band and a second middle band is provided. The first middle band has a first lock portion and a first body portion. The first lock portion extends from the first body portion and is located at a side of the zoom button. The second middle band has a second lock portion and a second body portion. The second lock portion extends from the second body portion and is located at the other side of the zoom button. Herein, the first lock portion and the second lock portion lock together and form an annular accommodating space. And the annular accommodating space surrounds and accommodates the zoom button.

Abstract: An alignment apparatus for adjusting an image sensor is provided. The alignment apparatus includes a first stage, a second stage, a positioning aligned unit, and an adjustment unit. The second stage is floatingly disposed on the first stage. The image sensor is adapted to be disposed on the second stage. The positioning aligned unit connected between the first stage and the second stage constrains the second stage on a datum surface above the first stage. The positioning aligned unit coupled to the second stage drives the second stage to rotate along the datum surface.

Abstract: A multidirectional face detection method is for detecting a face in a picture under detection at different positions. The face detection method includes the steps. A selecting window sets to sequentially select different sub-image patterns from the picture under detection. A facial feature weight calculates and it is calculated according to a feature value of the pixels in a sub-image pattern selected by the selecting window, thereby determining if the sub-image pattern has any features similar to the face. A facial edge weight calculates for made on the picture under detection according to a boundary value of the pixels in the sub-image pattern selected by the selecting window, so as to determine if the part of area of the picture under detection has any facial-boundaries. Profile detection is performed to respectively mark the facial-boundaries in the sub-image patterns with arc segments respectively for the sub-image patterns having the facial-boundaries.

Abstract: A method for beautifying a human face in a digital image is adapted to beautify a face area of an input image. The method includes setting a selection window to select a partial image area in the input image; setting a target pixel in the selection window, and setting other pixels as comparison pixels; performing a detail checking process according to a variance between the target pixel; performing a luminance checking process on the target pixel to determine; performing a nonlinear filtering process to filter the target pixel by using a nonlinear filter to generate a filtered value, and providing a mixing ratio to mix the target pixel with the filtered value at the mixing ratio to generate a completed pixel; replacing the original target pixel with the completed pixel; and repeating the above steps until all pixels are completed.

Abstract: A method for generating an all-in-focus image is provided. In the method, a plurality of frames including one source frame and several reference frames captured at different focus lengths are obtained. After performing a motion compensation procedure on the frames, for each pixel position belonging to an edge, a characteristic similarity between the source frame and each reference frame is calculated respectively to accordingly select a plurality of qualified reference frames among the reference frames. The method further includes determining a first type color space component of the pixel position within an all-in-focus image by an edge sharpness corresponding to the pixel position within each of the source frame and the qualified reference frames, and determining a second type color space component of the pixel position within the all-in-focus image by an color brightness corresponding to the pixel position within each of the source frame and the qualified reference frames.

Abstract: An image module including a sensor, a filter, and a shading plate is provided. The filter is disposed on the sensor, and the shading plate is disposed between the sensor and the filter. The shading plate has two opposite surfaces and two adhesion layers disposed thereon separately, such that the sensor and the filter are connected to the opposite surfaces of the shading plate.

Abstract: A method for processing images, suitable for an image capturing apparatus, is provided. In the present invention, a first image is captured. And a face recognition is executed for the first image so as to locate a face location of the first image. A second image is captured after adjusting a imaging magnification, and the face recognition is executed for the second image so as to obtain a face image. Next, the face image obtained from the second image is set at the face location of the first image for generating a composite image.