Abstract: The disclosure provides a method of switching video images and a surveillance system. The method includes the following steps. A first video image is displayed in a monitoring interface. Whether a target object in the first video image enters into a designated region in the first video image is determined. Whether a ratio of the targeted object to the first video image is smaller than or equal to a first threshold is determined when the target object enters into the designated region. When the ratio is smaller than or equal to the first threshold, a second video image is displayed in the monitoring interface. The designated region in the first video image is related to a geographic position, and the second video image is a video image related to the geographic position.

Abstract: An image capture system includes a first image capture device, a second image capture device and a processing device, and the processing device is electrically connected to the first image capture device and the second image capture device. The first image capture device is configured to capture a first image, and the second image capture device is configured to capture a second image. The processing device is configured to receive first information transmitted from the first image capture device and second information transmitted from the second image capture device, and determines whether the first image and the second image have a same object based on the first information and the second information. If the processing device determines that the first image and the second image have the same object, the processing device synchronizes timestamps of the first image and the second image according to an event of the object.

Abstract: A user terminal transmits a transmission instruction including an initial time of a first video file to a network node. The network node generates a header of the on-demand video file according to the header of the first video file. The network node fetches a plurality of corresponding video samples from the media data box of the first video file according to the instruction and the media data box of the first video file. The network node fetches corresponding metadata of the video samples from the movie box of the first video file. The network node generates a movie box of the on-demand video file according to the corresponding metadata of the video samples. The network node transmits the header, the video samples and the movie box of the on-demand video file to the user terminal.

Abstract: A photographic apparatus includes an image sensor, a processing unit, a light emitting unit, and a control unit. The image sensor is configured to capture a continuous image, and generate an exposure signal according to an exposure sequence corresponding to the continuous image. The processing unit is electrically connected to the image sensor and is configured to calculate an exposure value according to the continuous image. The control unit is electrically connected to the image sensor, the processing unit, and the light emitting unit. According to the exposure value, the control unit may select a continuous mode to drive the light emitting unit to emit light continuously, or a pulse mode to cooperate with the exposure signal to drive the light emitting unit to pulse light, in order to fill light while capturing the continuous image.

Abstract: A peer-to-peer server sends a first internal internet protocol (IP) address and a first internal port number of a first node to a second node, and sends a second internal IP address and a second internal port number of the second node to the first node. The first node sends a first packet to the second internal IP address and the second internal port number via a network address translator. The network address translator send a second packet corresponding to the first packet from an intermediary IP address and an intermediary port number to the second node. The second node sends a third packet to the intermediary IP address and the intermediary port number. The network address translator performs a lookup operation to send a fourth packet corresponding to the third packet to the first internal IP address and the first internal port number.

Abstract: The disclosure provides a method of switching video images and a surveillance system. The method includes the following steps. A first video image is displayed in a monitoring interface. Whether a target object in the first video image enters into a designated region in the first video image is determined. Whether a ratio of the targeted object to the first video image is smaller than or equal to a first threshold is determined when the target object enters into the designated region. When the ratio is smaller than or equal to the first threshold, a second video image is displayed in the monitoring interface. The designated region in the first video image is related to a geographic position, and the second video image is a video image related to the geographic position.

Abstract: A surveillance camera device receives power transmitted from an external power source and includes a camera for capturing images, a cable module coupled to the camera and the external power source, a casing disposed on the cable module, a temperature/moisture sensor and a circuit board. The temperature/moisture sensor is disposed in the casing for detecting a temperature/moisture value. The circuit board is disposed in the casing. The circuit board is coupled to the temperature/moisture sensor and coupled to the camera and the external power source via the cable module for transmitting the power transmitted from the external power source and the temperature/moisture value transmitted from the temperature/moisture sensor to the camera via the cable module.

Abstract: An image file management method is applied to an image storage device. A plurality of image files is stored in the image storage device. The image file management method includes setting a first score of each image file according to a file size of each image file, setting a second score of each image file according to a storage time of each image file, and performing selective deletion of each image file according to the first score and the second score of each image file.

Abstract: An image capturing method with supplemental lighting modulation is applied to a monitoring apparatus having a lighting unit and an image detecting unit. The image capturing method includes dividing a working period of the lighting unit into at least one first sub-period and at least one second sub-period, driving the lighting unit to respectively output supplemental light with different intensity during the first sub-period and the second sub-period, driving the image detecting unit to respectively capture a set of monitoring images with a predetermined amount during the first sub-period and the second sub-period, comparing the monitoring image captured in the first sub-period with ones captured in the second sub-period, analyzing definition of the set of monitoring images, and selecting a corresponding monitoring image having the definition greater than a threshold to execute image recognition.

Abstract: An illuminating control system for controlling a plurality of illuminating devices is disclosed herein. The illuminating control system includes an image capturing device and a processor. The image capturing device is configured to capture images of an object. The processor is coupled to the image capturing device. The processor is configured to receive the images and determine whether the object is a predetermined object based on the images. If the processor determines that the object is the predetermined object, the processor controls the image capturing device to track the object to obtain a moving condition of the object. The processor turns on one of the illuminating devices correspondingly based on the moving condition of the object.

Abstract: A light emitting module includes a lens and first and second light sources aligning with the lens. The lens includes a first biconcave section having a first light-entrance concave surface and a first light-exit concave surface, a second biconcave section having a second light-entrance concave surface and a second light-exit concave surface, and a shared section having a light-exit shared surface. A tangent slope of the shared section where the light-exit shared surface is connected to the first light-exit concave surface is less than a tangent slope of the first biconcave section where the first light-exit concave surface is connected to the light-exit shared surface. A tangent slope of the shared section where the light-exit shared surface is connected to the second light-exit concave surface is larger than a tangent slope of the second biconcave section where the second light-exit concave surface is connected to the light-exit shared surface.

Abstract: A video doorbell system coupled with a ringtone generating unit is applied by a power supply adjusting method and includes a video generating module and a mode switching controller. The video generating module includes a power storing component. The mode switching controller can be switched into a first mode or a second mode in a remote controlling manner. While the mode switching controller is switched into the first mode, the ringtone generating unit is bypassed and an external power source is connected to the video generating module, so as to charge the power storing component by the external power source. While the mode switching controller is switched into the second mode, the video generating module is bypassed and the external power source is connected to the ringtone generating unit, and the video generating module can execute image capturing function via the power storing component.

Abstract: Disclosed herein is a system for mediating connection for assisting a first node of a network for NAT traversal. The system for mediating connection includes at least three response servers respectively for receiving a detection message passing through a router from the first node, and for sending a response message passing through the router to the first node according to the detection message. The response message includes an EPN. The at least three response servers are configured to respectively add the EPNs into the response messages after a port number of each of the detection messages received by the at least three response servers is modified, by the router, as the EPNs respectively, wherein a connection is built between the first node and a second node according to a second rule for proximal EPNs and a network address of the second node.

Abstract: A fisheye image display method is adapted to a display device, wherein a display screen of the display device is divided into a plurality of view cells. The fisheye image display method includes steps of receiving a fisheye image; generating an original image and a plurality of regional images according to the fisheye image, wherein the regional images are corresponding to a plurality of regions of interest in the original image; and arranging the regional images in at least two of the view cells, wherein the at least two view cells are adjacent to each other horizontally or vertically, and one of the at least two view cells includes at least two of the regional images.

Abstract: An illumination apparatus is applied for providing illumination to a photographic device having a photographic field-of-view. The illumination apparatus includes an illumination device and a calibration photographic device. The illumination device is pivoted to a side of the photographic device and has an illumination field-of-view. The calibration photographic device has a calibration photographic field-of-view and is connected to the illumination device to make the calibration photographic field-of-view substantially overlap with the illumination field-of-view and make the calibration photographic device move together with the illumination device. The calibration photographic field-of-view at least partially overlaps with the photographic field-of-view. Accordingly, the present invention could improve convenience of the photographic device in mounting the illumination device.

Abstract: The disclosure provides a method of switching video images and a surveillance system. The method includes the following steps. A first video image is displayed under a first display mode in a monitoring interface. Whether a target object in the first video image enters into a designated region in the first video image is determined. Whether a ratio of the targeted object to the first video image is smaller than or equal to a first threshold is determined when the target object enters into the designated region. When the ratio is smaller than or equal to the first threshold, a second video image is displayed under the first display mode in the monitoring interface. The designated region in the first video image is related to a geographic position, and the second video image is a video image related to the geographic position.

Abstract: A network camera system includes a network camera and an illumination device. The illumination device is connected to the network camera. The illumination device includes an illumination unit and a processing unit. The illumination unit is used for providing illumination light to the network camera. The processing unit is connected to the illumination unit for detecting a practical operation power of the network camera, calculating a maximum illumination power according to an electrical power received by the illumination device and the practical operation power, and transmitting the practical operation power and the maximum illumination power to the network camera and the illumination unit respectively.

Abstract: Disclosed herein is a network address translation (NAT) traversal method. A node sends a first, second, and third detection message from a local port to a first, second, and third response server, respectively, in order to receive from the response servers a first, second, and third response message, which respectively include a first, second, and third proximal external port number (EPN). The node then deduces a rule for proximal EPNs based on the received ones. Also disclosed is a system for mediating connection. The system assists a first node on a network in NAT traversal and includes at least three response servers, which receive detection messages from the first node and send back response messages that include EPNs.