124results about How to "Improve photo quality" patented technology

The invention provides a high dynamic range image shooting method and a mobile terminal. The method comprises the following steps: obtaining a first preview image collected by a first camera; determining a foreground image area and a background image area in the first preview image; if a shooting instruction is received, separately obtaining a second preview image collected by the first camera and a third preview image collected by a second camera; performing image synthesis processing on the second preview image and the third preview image to output a high dynamic range image, wherein the second preview image is an exposed image of the foreground image area, and the third preview image is an exposed image of the background image area. According to the high dynamic range image shooting method provided by the embodiment of the invention, the mobile terminal can be used for avoiding the time difference of photos used for synthesizing the HDR image, thereby reducing the occurrence of double images or ghosts and improving the quality of the photos shot by the mobile terminal.

The invention relates to a shooting method and device. The method comprises: acquiring at least one frame of preview image according to the shooting request sent by a user; analyzing each frame of preview image to acquire feature information of each frame of preview image; and according to the feature information of the preview images, selecting a preview image satisfying the most preset screening conditions as an image to be shot for snapshot, so that the picture of the shot photo is good, the processes of reshooting and manually screening the optimal picture are avoided, the shooting efficiency is high, and the shooting effect can meet the requirements of users.

The embodiment of the invention provides a photographing method and a mobile terminal. The method comprises the following steps: obtaining image information when the mobile terminal performs photographing preview, wherein the image information comprises first scene information; determining first profile information in the image information; obtaining second profile information in a preset information library according to the first scene information; calculating the similarity between the first profile information and the second profile information after every preset time; and if the similarityis not smaller than a preset threshold, storing the image information. By adoption of the photographing method in the embodiment of the invention, the current scene in the photographing process can be automatically identified, a preferred photographing posture of the current scene is recommended, when the photographing posture of the user satisfies a preset condition, the image is automatically stored, so that the preferred photographing posture of the user can be provided in the photographing process, and the photographing can be accomplished with the photographing posture of the user satisfies the preset condition, so that the photographing quality is improved, and the user experience is enhanced.

The embodiment of the invention provides a camera focusing method. The method comprises the following steps: when detecting that a camera is started, transmitting a first ultrasonic signal to a determined photographed object through a built-in generator by a terminal; receiving a second ultrasonic signal reflected back by the first ultrasonic signal transmitted to the photographed object; acquiring transmission time for transmitting the first ultrasonic signal through the built-in generator; acquiring receiving time for receiving the second ultrasonic signal; acquiring distance between the terminal and the photographed object according to a time difference value between the transmitting time and the receiving time; focusing the camera according to the distance between the terminal and the photographed object. According to the embodiment of the invention, ultrasonic focusing can be realized by using the built-in generator, so that the photographing effect is improved and the picture quality is improved.

The invention discloses a method and system for photographing through gestures based on electronic equipment. A gesture inductor is arranged on the electronic equipment; a plurality of LED lamps are arranged in the gesture inductor and correspond to analog-digital converters collecting data values corresponding to the LED lamps respectively. The method comprises the steps that S1, the data values corresponding to the LED lamps respectively are acquired according to the current gesture of a user, and current gesture information is identified by the gesture inductor according to the data values; S2, whether the current gesture information is consistent with prestored preset gesture information or not is judged, if yes, the step S3 is carried out, and if not, the step S1 is executed again; S3, corresponding photographing motion is carried out by photographing application software. According to the technical scheme, gestures are identified by the gesture inductor to carry out photographing, waggle will not happen in the photographing process, and accordingly photographing quality, the identifying speed and the accuracy rate are improved.

The invention discloses a shooting prompting method and apparatus, and a terminal device. The method comprises the steps of locating a mouth region in a human face according to a human face identification technology when it is detected that a current shooting scene contains the human face; judging whether the current human face is in a smile state or not according to the mouth region; and if the current human face is not in the smile state, generating prompting information of smiling for a target shooting object, and providing the prompting information for a user. Through the method, a shot person can be reminded to smile when the shot person does not smile, so that the shot person is ensured to be in the smile state in a photo, the photo quality is improved, and the problem of influence on the photo quality due to the fact that the shot person does not smile in the prior art is solved.

A compound inkjet print head printer has a compound print head module. The compound print head module includes at least two inkjet print heads for providing ink droplets of one color but with different sizes. Since the compound inkjet print head module provides different sizes of ink droplets in a swath, the number of print swaths can be decreased. The compound inkjet print head printer increases a printing speed with high photo quality.

The embodiment of the invention provides a terminal. The device comprises a signal sending unit for transmitting a first ultrasonic signal to a determined shot object through a built-in generator after detecting a camera is started, a signal receiving unit for receiving a second ultrasonic signal reflected by the first ultrasonic signal transmitted on the shot object, a sending time acquiring unit for acquiring the sending time of the built-in generator transmitting the first ultrasonic signal, a receiving time acquiring unit for acquiring the receiving time of receiving the second ultrasonic signal, a distance acquiring unit for acquiring the distance from the terminal to the shot object according to the time difference between the sending time and the receiving time, and a focusing unit for focusing the camera according to the distance from the terminal to the shot object. With the adoption of the terminal, ultrasonic focusing can be achieved through the built-in generator, thus the shooting effect can be improved, and the photo quality can be increased.

An encapsulated structure of an X ray generator with a cold cathode and method of vacuuming the same are disclosed. The X ray generator has a glass ball-tube having a base, a tungsten filament, a cold cathode, a focus cap, and an anode target inside, associated with a first electrode pin, a second electrode pin, a single-used pin, and anode pin extended out. The tungsten filament located at the periphery of the base has a first wire end connected with the second electrode pin and a second wire end connected with the single-used pin. While vacuuming the glass ball-tube before melting an end to seal, a voltage is exerting on the single use pin to heat the tungsten, and a high voltage is exerting on the anode target to accelerate the hot electrons emitting from the filament to bombard the inside wall of the glass ball-tube and the anode target so as to shorten the vacuuming time and increase the vacuum level.

A handheld X ray device comprises a camera-like X ray generator body having a zoom ring-like object at a front side of the X ray generator body as an exit of X rays and has a collimator section atop a surface of the zoom ring-like object. The camera-like X ray generator body inside has a voltage boosting circuit, an oscillator circuit, a battery, and a control circuit, and a user interface at a real panel of the camera-like X ray generator body. The glass ball-tube is a cold cathode type X-ray generator with a tungsten filament at a periphery of a cold cathode. The voltage boosting circuit, the oscillator circuit, boosting the voltage of the battery up to a predetermined high voltage under controlled of the control circuit assisting by the user interface.

The invention provides a campus road crack detection method based on a Mobilenet-PSPNet neural network model, and the method comprises the following steps: S1, collecting a crack image data set, manually calibrating a label, and converting the label into a corresponding mask bitmap; S2, designing a MobileNet-PSPNet neural network, and training the MobileNet-PSPNet neural network by using the image processed in the step S1; S3, collecting campus road surface images and transmitting the campus road surface images to the terminal in real time; S4, extracting global features of the data set image acquired in the step S3 by using MobileNet; S5, extracting local features of the global feature map obtained in the step S4 through a pyramid adaptive average pooling module in the MobileNet-PSPNet network; S6, performing up-sampling operation on the local features obtained in the step S5, and then performing feature fusion on the local features and the global features to obtain new features including the global features and the local features; and S7, obtaining a final prediction result through convolution and up-sampling operation. According to the method, the crack of the campus road is detected in real time through the improved Mobilenet-PSPNet based on the PSPNet convolutional neural network, the method is accurate and efficient, and wrong detection and missing detection are not easy to generate.

The invention discloses a method and a system for photographing of terminal equipment. The method includes the following steps:a, an approach sensing value threshold value of a proximity sensor is arranged; b, a mobile phone enters a photographing interface, and the proximity sensor is started; c, a real-time approach sensing value is obtained; and d, the real-time approach sensing value is compared with the threshold value, if the real-time approach sensing value is larger than the threshold value, photographing is achieved, and if the real-time approach sensing value is less than the threshold value, the step c is returned to. Compared with the prior art, according to the method and the system, when a finger approaches a screen, the proximity sensor achieves that a human body approaches or goes far away, automatic photographing is achieved when approaching, shaking is effectively avoided, and photographing quality is improved.

The invention discloses a photographing method and an electronic device. The electronic device is equipped with at least two image collecting units. The method comprises: using the first image collecting unit to obtain the image of a framing region, generating a preview image, displaying the preview image on a screen; and using the second image collecting unit to carry out photographing operation.