摘要:
The invention relates to an electronic device (for example camera) comprising the following components: an image reader unit (1), provided with one or several image sensors (6), whereby at least one image sensor permits access to individual pixels. Said image reader unit (1) is embodied such as to be able to receive and carry out image-taking commands. In at least one of said image-taking commands the form of the image segment (60), to be read from said image sensor (6), is freely definable. Said image reader unit (1) only reads and makes available from the image sensor (6), those image segments (60) from said image sensor (6) which correspond to the freely-definable form from the said image taking command.
摘要:
A pass-through system (110) which is arranged between at least one freely accessible area (100) and at least one area which is only accessible to authorised people comprises: a pass-through (5) area which is marked on the floor and/or defined by mobile blocking devices (13); at least one image capturing device (7); at least one image processing device (8) and at least one alarm triggering device (9). At least one specific signal can be transmitted to the alarm triggering device (9) by the image processing device (8) when at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110). The invention also relates to a method for passage control and/or isolation of people through a pass-through system (110) between a freely accessible area (100) and at least one area which is only accessible to authorised people, said method comprising the following steps: the pass-through area (5) of the pass-through system (110) is monitored in order to automatically determine whether at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110). An access limiting device (132, 133) of the pass-through system (110) for the isolation of people is activated when at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110).
摘要:
The invention for automatic detection of fires, based flame and/or smoke recognition by analysing a sequence of images. The analysis is based on several image processing algorithms. One algorithm consists in comparing the frequency content of at least an image of said sequence with the frequency content of a reference image so as to detect an attenuation of high frequencies independently of variations on other portions of the spectrum.
摘要:
A pass-through system (110) which is arranged between at least one freely accessible area (100) and at least one area which is only accessible to authorised people comprises: a pass-through (5) area which is marked on the floor and/or defined by mobile blocking devices (13); at least one image capturing device (7); at least one image processing device (8) and at least one alarm triggering device (9). At least one specific signal can be transmitted to the alarm triggering device (9) by the image processing device (8) when at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110). The invention also relates to a method for passage control and/or isolation of people through a pass-through system (110) between a freely accessible area (100) and at least one area which is only accessible to authorised people, said method comprising the following steps: the pass-through area (5) of the pass-through system (110) is monitored in order to automatically determine whether at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110). An access limiting device (132, 133) of the pass-through system (110) for the isolation of people is activated when at least one person respects or violates the rules which govern access, passage or exit from the pass-through system (110) or if objects have been left behind in the pass-through system (110).
摘要:
The invention for automatic detection of fires, based flame and/or smoke recognition by analysing a sequence of images. The analysis is based on several image processing algorithms. One algorithm consists in comparing the frequency content of at least an image of said sequence with the frequency content of a reference image so as to detect an attenuation of high frequencies independently of variations on other portions of the spectrum.