Patents Assigned to Altek Corporation
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Patent number: 12219238Abstract: An auto framing method is applied to a camera apparatus with an image receiver and a screen. The auto framing method includes receiving a detection image from the image receiver, computing a distance between the image receiver and an identification feature of the detection image, switching a framing mode of the screen into a normal mode or a single mode in accordance with a comparison result of the distance and a predefined distance threshold, setting a preset step count and a preset frame interval to compute a coordinate variation of the identification feature when position difference between a current focus area and a cropping area generated by the framing mode conforms to a predefined difference condition, and utilizing the coordinate variation to acquire an area variation of the cropping area, and scaling the cropping area to a target resolution for displaying on the screen in accordance with the area variation.Type: GrantFiled: May 23, 2023Date of Patent: February 4, 2025Assignee: Altek CorporationInventors: Po-Wen Fang, Xiu-Hong Bian, Tsung-Hsien Lin
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Publication number: 20240223881Abstract: An auto framing method is applied to a camera apparatus with an image receiver and a screen. The auto framing method includes receiving a detection image from the image receiver, computing a distance between the image receiver and an identification feature of the detection image, switching a framing mode of the screen into a normal mode or a single mode in accordance with a comparison result of the distance and a predefined distance threshold, setting a preset step count and a preset frame interval to compute a coordinate variation of the identification feature when position difference between a current focus area and a cropping area generated by the framing mode conforms to a predefined difference condition, and utilizing the coordinate variation to acquire an area variation of the cropping area, and scaling the cropping area to a target resolution for displaying on the screen in accordance with the area variation.Type: ApplicationFiled: May 23, 2023Publication date: July 4, 2024Applicant: Altek CorporationInventors: Po-Wen Fang, Xiu-Hong Bian, Tsung-Hsien Lin
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Patent number: 9426370Abstract: The present invention discloses an image capturing device and an exposure time adjusting method thereof. The image capturing device comprises an image capturing module, a processing module and an image integrated module. The image capturing module is used to capture a plurality of temporary images. While the image capturing module captures the temporary images, the processing module dynamically adjusts the exposure times of the temporary images according to a predetermined file, a plurality of analysis results of the temporary images or the vibration information sensed by a vibration sensor. Next, the image integrated module controlled by a control module in the processing module integrates the temporary images to generate a stored image.Type: GrantFiled: February 2, 2011Date of Patent: August 23, 2016Assignee: Altek CorporationInventors: Yun-Chin Li, Yu-Ming Cheng, Chin-Lung Yang
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Patent number: 9053368Abstract: An image transfer apparatus and a method thereof comprise: capturing at least one first image, wherein the first image includes at least one face image; performing a face detection to obtain at least one face feature; a database has at least one identification information which comprises at least one face photo and a corresponding communication information; comparing the face feature with the face photo saved in the database; retrieving the corresponding communication information and the identification information corresponding to the face photo, if the face feature matches the face photo; performing the face image processing corresponding to the identification information in the first image, so as to obtain at least one second image; transmitting each second image according to the communication information of the processed face image in the second image.Type: GrantFiled: August 22, 2012Date of Patent: June 9, 2015Assignee: Altek CorporationInventors: Hong-Long Chou, Wen-Yan Chang, Tai-Chang Yang
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Patent number: 9019379Abstract: The present invention discloses a license plate image-pickup device and an image exposure adjustment method thereof. The license plate image-pickup device comprises an image-sensing module, a recognition module and a processing module. The license plate image-pickup device takes a scene. The image-sensing module senses the scene to produce an image. The recognition module detects a vehicle object. The processing module adjusts the exposure of the vehicle object to produce an exposure adjusted vehicle object, and then the recognition module detects a license plate object from the exposure adjusted vehicle object, and the processing module adjusts the exposure of the license plate object.Type: GrantFiled: May 17, 2012Date of Patent: April 28, 2015Assignee: Altek CorporationInventors: Wen-Yan Chang, Tai-Chang Yang, Chia-Chun Hsieh, Shan-Lung Chao, Hsin-Te Wang, Hong-Long Chou
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Patent number: 9013542Abstract: This invention discloses an image capture device and an image synthesis method thereof. The image capture device comprises an image pickup module and a processing module. The image pickup module scans a plurality of visual angles of a scene in advance to obtain a plurality of temporary images. Each of the temporary images has a scanning focal length value. The processing module analyzes the plurality of temporary image of each of the visual angles to obtain a temporary focal length value. The processing module obtains a weighting focal length value by each temporary focal length value by using a function to control the image pickup module in order to perform a panorama image capturing process according to the weighting focal length value.Type: GrantFiled: May 17, 2012Date of Patent: April 21, 2015Assignee: Altek CorporationInventors: Hong-Long Chou, Chia-Chun Tseng, Chia-Yu Wu
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Patent number: 8985771Abstract: An image capturing apparatus including a plurality of image sensing modules and at least a light source is provided for capturing an image of an eye. Each of the image sensing modules includes an image sensor and a lens. The light source emits an illumination light, and the illumination light irradiates the eye. The eye reflects the illumination light into an image light. The image light includes a plurality of sub-image beams, and the sub-image beams are transmitted to the image sensors of the image sensing modules through the lenses of the image sensing modules, respectively. A capturing method is also provided.Type: GrantFiled: January 8, 2013Date of Patent: March 24, 2015Assignee: Altek CorporationInventor: Te-Chao Tsao
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Patent number: 8971954Abstract: The present invention discloses a mobile device including a motor module, a heat dissipation module, a vibration module and an electric brush module. The motor module has a rotating shaft driven by the motor module and two ends of which stick out from the motor module. The heat dissipation module includes a fan unit fixed on one end of the rotating shaft. The vibration module includes a vibration cam and an electromagnetic coil disposed on the vibration cam. The vibration cam is loosely fitted and disposed on the other end of the rotating shaft. The electric brush module is disposed inside the mobile device corresponding to the electromagnetic coil. When electrified, the electric brush module excites the electromagnetic coil generating a magnetic force to adhere and rotate with the rotating shaft synchronously. Herewith the effects of effective heat dissipation and saving interior space of the mobile device are achieved.Type: GrantFiled: January 31, 2013Date of Patent: March 3, 2015Assignee: Altek CorporationInventors: Yu-Cheng Huang, Tzu-Chih Lin, Wan-Chih Lin
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Patent number: 8967803Abstract: An image capturing apparatus and an auto-focusing method thereof are provided. The method includes transmitting light beams from light sources to an eye including a cornea, a pupil, a crystalline lens, and a fundus. The light beams are transmitted to the fundus through the cornea. The light beams transmitted to the cornea form first light point images detected by an image sensor through a lens module having first and second lenses. According to the first light point images and focal adjustment data, the first lens and the light sources are moved simultaneously to focus on the cornea. The light beams are substantially intersected at the pupil and transmitted to the fundus to form second light point images detected by the image sensor through the lens module. According to the second light point images and the focal adjustment data, the first lens is moved to focus on the fundus.Type: GrantFiled: September 7, 2012Date of Patent: March 3, 2015Assignee: Altek CorporationInventors: Tso-Yu Chang, Yu-Fen Chung, Te-Chao Tsao, Pin-Wen Chen, Shin-Hao Cheng, Peng-Hsiang Wang, Ching-Chung Hsu, Chun-An Lin
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Patent number: 8953013Abstract: This invention discloses an image pickup device and an image synthesis method thereof The image pickup device comprises an image-pickup module, an image-synthesis module, a database and a processing module. The image-pickup module captures a plurality of temporary images of a scene. The image-synthesis module extracts a part of each temporary image and combines the parts to form a panorama temporary image, and splits the panorama temporary image into a plurality of zone-areas according to at least one threshold value and a panorama luminosity histogram. The database stores a lookup table for recording a plurality of exposure values. The plurality of the exposure values correspond to luminance values of the zone-areas respectively. The processing module obtains the plurality of exposure values corresponding to the luminance values and obtains a weighting-exposure value by an equation, and controls the image-pickup module to capture the panorama image according to the weighting-exposure value.Type: GrantFiled: July 30, 2012Date of Patent: February 10, 2015Assignee: Altek CorporationInventors: Hong-Long Chou, Chia-Chun Tseng, Chia-Yu Wu
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Patent number: 8953095Abstract: The invention provides a flash light device, which includes a light source, a light diffuser and a light diffuser's driving unit. The light diffuser's driving unit provides the light diffuser with a required driving voltage according to a voltage information, in which the voltage information is determined according to an original image without light-complementing of the light source and a pre-flash image with light-complementing of the light source.Type: GrantFiled: June 21, 2012Date of Patent: February 10, 2015Assignee: Altek CorporationInventor: Ming-Jiun Liaw
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Patent number: 8953903Abstract: A method of multi-frame image noise reduction suitable for an image-capturing device includes following steps: obtaining a current frame and multiple reference frames; defining a mask and a target point in the mask; judging whether the target point pixel of the current frame is on an edge according to an edge map of the frame; when the pixel is on the edge, using the pixels in the reference frames on the edge to calculate a replacement result; when the target point pixel is not on the edge, using the pixels in the reference frames surrounding the target point to calculate a replacement result; after that, generating a pixel corresponding to the position of the target point in an output image according to the replacement result; further, moving the mask and going back to judge whether the pixel of the target point of the current frame is on the edge.Type: GrantFiled: August 9, 2011Date of Patent: February 10, 2015Assignee: Altek CorporationInventors: Shih-Yuan Peng, Chung-Ta Wu
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Patent number: 8922678Abstract: The present invention discloses an electronic apparatus, an image capturing apparatus and a method thereof. The image capturing method comprises the following steps of: capturing a plurality of temporal images by an image capturing module, and setting one of the temporal images as a base image by a processing module; dividing each temporal image into a plurality of temporal image blocks, and dividing the base image into a plurality of base image blocks by the processing module; determining whether the difference between each temporal image block and the corresponding base image block is lower than a threshold value by the processing module; integrating the temporal image block and the corresponding base image block to generate a final image by the processing module when the difference between the temporal image block and the corresponding base image block is lower than the threshold value.Type: GrantFiled: April 11, 2011Date of Patent: December 30, 2014Assignee: Altek CorporationInventors: Yun-Chin Li, Yu-Ming Cheng, Chin-Lung Yang
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Patent number: 8908974Abstract: An image capturing device capable of simplifying characteristic value sets of captured images and a control method thereof. The image capturing device comprises a characteristic conversion module, a data storage module, a characteristic simplification module, a template storage module and a recognition module. The characteristic conversion module converts an image captured by the image capturing device into a characteristic image, and the characteristic image includes a group of first characteristic value sets. The data storage module stores a lookup table which comprises second characteristic value sets. The characteristic simplification module performs a simplification process according to the lookup table to produce a simplified group of characteristic value sets. Finally, compares the simplified group of characteristic value sets with the plurality of templates stored in the template storage module to recognize a specific object in the image.Type: GrantFiled: March 27, 2012Date of Patent: December 9, 2014Assignee: Altek CorporationInventor: Tai-Chang Yang
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Patent number: 8902289Abstract: A method for capturing a three dimensional (3D) image by using a single-lens camera is provided. First, a first image is captured. According to a focus distance of the single-lens camera in capturing the first image and an average distance between two human eyes, an overlap width between the first image and a second image required for capturing the second image of the 3D image is calculated. Then, the first image and a real-time image captured by the single-lens camera are displayed, and an overlap area is marked on the first image according to the calculated overlap width. A horizontal shift of the single-lens camera is adjusted, to locate the real-time image in the overlap area. Finally, the real-time image is captured as the second image, and the first and second images are output as the 3D image.Type: GrantFiled: July 31, 2011Date of Patent: December 2, 2014Assignee: Altek CorporationInventors: Yun-Chin Li, Chan-Min Chou, Chin-Lung Yang
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Patent number: 8896945Abstract: A barrel driving mechanism and an image pickup device thereof. The barrel driving mechanism comprises a fixing-barrel, a driving-barrel and a moving-barrel. The fixing-barrel has a first groove with a first stop-position and a first position. The driving-barrel disposed in the fixing-barrel has a second groove with a second stop-position and a second position. The driving-barrel has a first guiding protrusion inserted into the first groove. The moving-barrel disposed in the driving-barrel having a second guiding protrusion is inserted into the second groove. Wherein, the first stop-position to the first position and the second stop-position to the second position are slanted grooves. When the driving-barrel is rotated, the driving-barrel shifts a first axial distance and the moving-barrel shifts a second axial distance. The sum of the first axial distance and the second axial distance equals the total displacement of the moving barrel.Type: GrantFiled: January 27, 2012Date of Patent: November 25, 2014Assignee: Altek CorporationInventors: Tsung-Ken Yang, Hong-Bin Koh
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Patent number: 8896274Abstract: A charger calibrating device and a calibrating method thereof. The device comprises a control module and a processing module. The control module controls a charger to be calibrated to perform a first stage charging and a second stage charging on an electronic device. The processing module performs an adjusting process according to the second stage charging time for adjusting the high level period of the PWM signal in the charging circuit of the charger. In the adjusting process, generating an updated high level period by adding or decreasing a preset adjusting amplitude, and decrease the preset adjusting amplitude by half to generate an updated adjusting amplitude. The processing module terminates the calibrating process after repeating the aforementioned calibrating loop a preset number of times.Type: GrantFiled: December 28, 2011Date of Patent: November 25, 2014Assignee: Altek CorporationInventors: Wei-Chun Lo, Pei-Shin Chen, Yueh-Chang Chen, Chao-Tsung Tsai
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Patent number: 8890999Abstract: A method and a system for controlling an external lens, applicable to a main device to control a lens module connected thereto, are provided. The main device provides power and storage medium for the lens module to use. In the present method, the lens module is connected to the main device, and a control program is downloaded from a memory unit of the lens module and installed in the main device. The control program is used to allow the main device to receive a control operation, accordingly control the lens module to execute a camera function, and finally display an execution result of the lens module executing the camera function.Type: GrantFiled: August 30, 2011Date of Patent: November 18, 2014Assignee: Altek CorporationInventor: HongBin Koh
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Patent number: 8891834Abstract: A face recognition system and a face recognition method thereof. The face recognition system comprises a storage module, a processing module and a display module. The storage module stores a plurality of face recognition codes, a plurality of face images or face coordinates corresponding to the plurality of face recognition codes. The processing module calculates an overlap rate of the (T?1)th face image that overlaps the Tth face image in the plurality of face images. When the overlap rate is greater than a first preset value, the processing module calculates a similarity between the (T?1)th face image and the Tth face image. If the similarity is smaller than a second preset value, the processing module retains the face recognition code of the (T?1)th face image. The display module displays the face recognition code in the Tth face image.Type: GrantFiled: May 3, 2012Date of Patent: November 18, 2014Assignee: Altek CorporationInventors: Wen-Yan Chang, Tai-Chang Yang, Hong-Long Chou
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Patent number: 8891000Abstract: 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.Type: GrantFiled: September 23, 2011Date of Patent: November 18, 2014Assignee: Altek CorporationInventors: I-Hsien Lee, Chia-Ho Pan, Shuei-Lin Chen