Abstract: An electronic camera includes an image sensor. The image sensor has an imaging surface irradiated with an optical image of an object scene through a focus lens and repeatedly generates an object scene image. A CPU executes an AF process for adjusting a distance from the focus lens to the imaging surface to a distance corresponding to a focal point, based on the object scene image generated by the image sensor. However, the CPU has a high-luminance excluding function for excluding from a target to be noticed of the AF process a partial image having a luminance exceeding “TH1” out of the object scene image generated by the image sensor. The CPU determines whether or not a partial image having a luminance exceeding “TH2” larger than “TH1” exists on the object scene image generated by the image sensor, and turns on the high-luminance excluding function when a determination result is affirmative and turns off the high-luminance excluding function when the determination result is negative.

Abstract: A video camera includes an imager. An imager outputs an object scene image produced on an imaging surface. A detector detects a plurality of luminance change amounts respectively corresponding to a plurality of timings based on the object scene image outputted from the imager. A determiner determines generation/non-generation of a flicker by referring to a difference between a sine wave depicted along a time axis and the plurality of luminance change amounts detected by the detector. A first adjuster adjusts an angular frequency of the sine wave to a frequency corresponding to a drive system of the imager. A second adjuster adjusts an initial phase and an amplitude of the sine wave based on the plurality of luminance change amounts detected by the detector.

Abstract: A video camera includes an imager. An imager outputs an object scene image produced on an imaging surface. A detector detects a plurality of luminance change amounts respectively corresponding to a plurality of timings based on the object scene image outputted from the imager. A determiner determines generation/non-generation of a flicker by referring to a difference between a sine wave depicted along a time axis and the plurality of luminance change amounts detected by the detector. A first adjuster adjusts an angular frequency of the sine wave to a frequency corresponding to a drive system of the imager. A second adjuster adjusts an initial phase and an amplitude of the sine wave based on the plurality of luminance change amounts detected by the detector.

Abstract: An electronic camera includes an image sensor. The image sensor has an imaging surface irradiated with an optical image of an object scene through a focus lens and repeatedly generates an object scene image. A CPU executes an AF process for adjusting a distance from the focus lens to the imaging surface to a distance corresponding to a focal point, based on the object scene image generated by the image sensor. However, the CPU has a high-luminance excluding function for excluding from a target to be noticed of the AF process a partial image having a luminance exceeding “TH1” out of the object scene image generated by the image sensor. The CPU determines whether or not a partial image having a luminance exceeding “TH2” larger than “TH1” exists on the object scene image generated by the image sensor, and turns on the high-luminance excluding function when a determination result is affirmative and turns off the high-luminance excluding function when the determination result is negative.

Abstract: An electronic camera includes an image sensor. The image sensor has an imaging surface irradiated with an optical image of an object scene through a focus lens and repeatedly generates an object scene image. A CPU executes an AF process for adjusting a distance from the focus lens to the imaging surface to a distance corresponding to a focal point, based on the object scene image generated by the image sensor. However, the CPU has a high-luminance excluding function for excluding from a target to be noticed of the AF process a partial image having a luminance exceeding “TH1” out of the object scene image generated by the image sensor. The CPU determines whether or not a partial image having a luminance exceeding “TH2” larger than “TH1” exists on the object scene image generated by the image sensor, and turns on the high-luminance excluding function when a determination result is affirmative and turns off the high-luminance excluding function when the determination result is negative.

Abstract: A video camera includes an imager. An imager outputs an object scene image produced on an imaging surface. A detector detects a plurality of luminance change amounts respectively corresponding to a plurality of timings based on the object scene image outputted from the imager. A determiner determines generation/non-generation of a flicker by referring to a difference between a sine wave depicted along a time axis and the plurality of luminance change amounts detected by the detector. A first adjuster adjusts an angular frequency of the sine wave to a frequency corresponding to a drive system of the imager. A second adjuster adjusts an initial phase and an amplitude of the sine wave based on the plurality of luminance change amounts detected by the detector.

Abstract: A video camera includes an image sensor. The image sensor has an imaging surface irradiated with an optical image of an object scene through a focus lens and repeatedly generates an object scene image. A position of the focus lens is repeatedly changed among three points by a driver, in parallel with a generating process of the object scene image by the image sensor. A high-frequency AF evaluation value of the object scene image generated by the image sensor is repeatedly detected by a high-frequency AF evaluation circuit and a CPU, in parallel with a changing process of the position of the focus lens. The CPU references the detected high-frequency AF evaluation value to determine a focal characteristic, and based on a determination result, adjusts the position of the focus lens to a focal position.

Abstract: An electronic camera includes an image sensor. The image sensor has an imaging surface irradiated with an optical image of an object scene through a focus lens and repeatedly generates an object scene image. A CPU executes an AF process for adjusting a distance from the focus lens to the imaging surface to a distance corresponding to a focal point, based on the object scene image generated by the image sensor. However, the CPU has a high-luminance excluding function for excluding from a target to be noticed of the AF process a partial image having a luminance exceeding “TH1” out of the object scene image generated by the image sensor. The CPU determines whether or not a partial image having a luminance exceeding “TH2” larger than “TH1” exists on the object scene image generated by the image sensor, and turns on the high-luminance excluding function when a determination result is affirmative and turns off the high-luminance excluding function when the determination result is negative.