Image capturing apparatus with variable event detecting condition

An event search device comprising a processor and a memory, wherein the processor is configured to:

• read events related to images stored in the memory;
• read event levels of the read events from the memory;
• receive, through an event search screen of a user interface, a search requirement for at least one event attribute;
• retrieve an image related to an event satisfying the search requirement from among the stored images;
• and
• display the retrieved image,
• wherein the user interface includes an event level selection section, which allows a user to input a search requirement for a desired event level, and an event listing section in which a position of a search baseline is adjusted according to the desired event level,
• wherein the event listing section displays a first event having an event level above these search baseline visually differentiated from a second event having an event level below the search baseline,
• wherein the search requirement has different values changing depending on a time and a type of the event, and
• wherein the type of the event comprise an audio detection event and a motion event,
• wherein the search requirement for the audio detection event and the search requirement for the motion event are set differently at a specific time of a day in order to adapt to environment changes.

An event alarm device comprising a processor and a memory, wherein the processor is configured to:

• receive from a user a request level for an event level, wherein the event level indicates a degree of occurrence of an event, and is obtained by quantifying the event;
• receive an image captured in a surveillance area;
• detect an event from the surveillance area;
• calculate an event level of the detected event;
• store the calculated event level in the memory;
• and
• output an alarm for the detected event in response to determining that the event level satisfies the request level,
• wherein the request level for the event level and a frequency of the alarm are set by the user to have different values changing depending on a time and a type of the event,
• wherein the type of the event comprise an audio detection event and a motion event, and
• wherein the alarm is output at the frequency of the alarm set by the user when the event level satisfies the request level,
• wherein the request level for the audio detection event and the request level for the motion event are set differently at a specific time of a day in order to adapt to environment changes.